Upload GeoDisasterBenchmark (attempt 1) (part 25)

data/source_assets/xbd_damage/midwest-flooding_00000353/quadrants.geojson

@@ -0,0 +1,298 @@
+{
+  "type": "FeatureCollection",
+  "coordinate_system": "image_pixel_xy",
+  "grid_type": "quadrant_2x2",
+  "scene_id": "midwest-flooding_00000353",
+  "n_cells": 4,
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              0.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              0.0,
+              0.0
+            ],
+            [
+              512.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q0",
+        "row": 0,
+        "col": 0,
+        "building_count": 2,
+        "classified_building_count": 2,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 2,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 2,
+        "severe_pct": 100.0,
+        "severe_area_m2": 5076.8625,
+        "total_area_m2": 5076.8625,
+        "severity_score": 0.666667,
+        "dominant_damage": "major-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              0.0
+            ],
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              0.0
+            ],
+            [
+              1024.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q1",
+        "row": 0,
+        "col": 1,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              0.0,
+              1024.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q2",
+        "row": 1,
+        "col": 0,
+        "building_count": 1,
+        "classified_building_count": 1,
+        "no_damage": 1,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 971.6368,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              1024.0,
+              1024.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              1024.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q3",
+        "row": 1,
+        "col": 1,
+        "building_count": 9,
+        "classified_building_count": 9,
+        "no_damage": 4,
+        "minor_damage": 4,
+        "major_damage": 1,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 1,
+        "severe_pct": 11.1111,
+        "severe_area_m2": 253.6337,
+        "total_area_m2": 10785.7111,
+        "severity_score": 0.222222,
+        "dominant_damage": "minor-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    }
+  ],
+  "summary": {
+    "highest_severity_score_cell": "Q0",
+    "highest_severity_score": 0.67,
+    "most_severe_buildings_cell": "Q0",
+    "most_severe_count": 2,
+    "most_severe_area_m2": 5076.8624,
+    "most_buildings_cell": "Q3",
+    "most_buildings_count": 9,
+    "empty_cell_count": 1,
+    "empty_cell_ids": [
+      "Q1"
+    ],
+    "cell_breakdown": [
+      {
+        "cell_id": "Q0",
+        "building_count": 2,
+        "severe_count": 2,
+        "severe_area_m2": 5076.8624,
+        "total_area_m2": 5076.8624,
+        "severity_score": 0.67,
+        "dominant_damage": "major-damage",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 2,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "Q1",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "Q2",
+        "building_count": 1,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 607.0845,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 1,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "Q3",
+        "building_count": 9,
+        "severe_count": 1,
+        "severe_area_m2": 253.6337,
+        "total_area_m2": 11150.2631,
+        "severity_score": 0.2211,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 4,
+          "minor_damage": 4,
+          "major_damage": 1,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      }
+    ]
+  },
+  "aggregation_contract": {
+    "count_assignment": "building_centroid",
+    "area_assignment": "polygon_cell_intersection",
+    "severity_formula": "(minor + 2*major + 3*destroyed) / (3*classified_buildings)",
+    "unclassified_policy": "excluded_from_severity_denominator"
+  }
+}

data/source_assets/xbd_damage/midwest-flooding_00000370/building_damage_lnglat.geojson

@@ -0,0 +1,835 @@
+{
+  "type": "FeatureCollection",
+  "coordinate_system": "EPSG:4326",
+  "note": "Visualization only. Compute area from xy GeoJSON.",
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -96.21204390656901,
+              36.13199954908501
+            ],
+            [
+              -96.21195088726662,
+              36.13199592650577
+            ],
+            [
+              -96.21194691020166,
+              36.13208046594374
+            ],
+            [
+              -96.21186970829841,
+              36.13207976511789
+            ],
+            [
+              -96.21187257349305,
+              36.1319960146471
+            ],
+            [
+              -96.21183000510172,
+              36.13199677864895
+            ],
+            [
+              -96.21169799787188,
+              36.13199394871686
+            ],
+            [
+              -96.21168748224078,
+              36.1319697199248
+            ],
+            [
+              -96.21170737034862,
+              36.13190158062698
+            ],
+            [
+              -96.21178726927855,
+              36.13190415986752
+            ],
+            [
+              -96.21180999433759,
+              36.13188865728312
+            ],
+            [
+              -96.2120476076629,
+              36.13189498310462
+            ],
+            [
+              -96.21204390656901,
+              36.13199954908501
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "6375f2ee-20f3-48be-98c5-aa78ab6eb41b",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -96.211806095657,
+              36.13170759772666
+            ],
+            [
+              -96.21166409201238,
+              36.13170674109053
+            ],
+            [
+              -96.21166543052439,
+              36.1316518589086
+            ],
+            [
+              -96.2118079686033,
+              36.13165468918268
+            ],
+            [
+              -96.211806095657,
+              36.13170759772666
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "78086cc7-b829-4039-83e8-3c9f365a8500",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -96.21135583170208,
+              36.13154335092793
+            ],
+            [
+              -96.21132864488175,
+              36.13153897425358
+            ],
+            [
+              -96.21126034393745,
+              36.13153409619125
+            ],
+            [
+              -96.21126536648059,
+              36.13148693536577
+            ],
+            [
+              -96.21134202226017,
+              36.13148307489102
+            ],
+            [
+              -96.2113598378094,
+              36.13149573424646
+            ],
+            [
+              -96.21135583170208,
+              36.13154335092793
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "51f04c9c-874e-416f-bba4-98bd6b2c6055",
+        "subtype": "minor-damage",
+        "damage_score": 1,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -96.21095213003579,
+              36.13176350262992
+            ],
+            [
+              -96.21086863378123,
+              36.13176117665931
+            ],
+            [
+              -96.21087025918729,
+              36.1317270085088
+            ],
+            [
+              -96.21095314841948,
+              36.13172925510101
+            ],
+            [
+              -96.21095213003579,
+              36.13176350262992
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "30f121c6-67f9-41b4-b5f4-53b34b94472a",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -96.21100640446566,
+              36.13179623322976
+            ],
+            [
+              -96.21094599690576,
+              36.13179531588431
+            ],
+            [
+              -96.21094645120178,
+              36.13176541830474
+            ],
+            [
+              -96.21100809175776,
+              36.13176694775154
+            ],
+            [
+              -96.21100640446566,
+              36.13179623322976
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "b2ce721f-3faf-48f6-a635-60bee7730a21",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -96.21169486018911,
+              36.13271366969008
+            ],
+            [
+              -96.21169300281315,
+              36.13270886370525
+            ],
+            [
+              -96.21170723856059,
+              36.13265538015364
+            ],
+            [
+              -96.21182359696343,
+              36.13268061813727
+            ],
+            [
+              -96.21181074633667,
+              36.13273483051546
+            ],
+            [
+              -96.21169486018911,
+              36.13271366969008
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "20a63f6e-5c89-4f0e-ae15-957611c2e2ab",
+        "subtype": "minor-damage",
+        "damage_score": 1,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -96.20935813490843,
+              36.13272528658123
+            ],
+            [
+              -96.20920500286054,
+              36.132707821041
+            ],
+            [
+              -96.20924141638028,
+              36.13253270029406
+            ],
+            [
+              -96.20938714419312,
+              36.1325476430683
+            ],
+            [
+              -96.20935813490843,
+              36.13272528658123
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "a7756e21-c0a5-42dd-a258-cd0e1ed6b8f2",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -96.20897829965891,
+              36.13270505066409
+            ],
+            [
+              -96.20891790885472,
+              36.13270364237221
+            ],
+            [
+              -96.20891929770944,
+              36.13266445096126
+            ],
+            [
+              -96.20897846330786,
+              36.1326663209783
+            ],
+            [
+              -96.20897829965891,
+              36.13270505066409
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "a02ead6b-af41-4eb0-a61e-2e4cdb0a1765",
+        "subtype": "minor-damage",
+        "damage_score": 1,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -96.20843628238606,
+              36.13106421203057
+            ],
+            [
+              -96.20836323471589,
+              36.13105759002943
+            ],
+            [
+              -96.20836661913621,
+              36.1310006014113
+            ],
+            [
+              -96.20845422726775,
+              36.13100233641178
+            ],
+            [
+              -96.20845635196378,
+              36.13105349911957
+            ],
+            [
+              -96.20843628238606,
+              36.13106421203057
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "4d56fd4f-5782-429c-9634-5aecd9404a95",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -96.20776070486674,
+              36.13265071517736
+            ],
+            [
+              -96.20771720677612,
+              36.13261925122726
+            ],
+            [
+              -96.20782169449379,
+              36.13253054287303
+            ],
+            [
+              -96.20786511138598,
+              36.13256604846882
+            ],
+            [
+              -96.20776070486674,
+              36.13265071517736
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "028f1413-7129-403b-aab8-1e9482d2163d",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -96.21024451787741,
+              36.13246385191118
+            ],
+            [
+              -96.21017965898326,
+              36.13248168415819
+            ],
+            [
+              -96.21016566124095,
+              36.13244699564839
+            ],
+            [
+              -96.2102284075045,
+              36.13243150829545
+            ],
+            [
+              -96.21024905769463,
+              36.13244455881907
+            ],
+            [
+              -96.21024451787741,
+              36.13246385191118
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "c5938506-5e1d-40f0-aa7b-761afb8191a4",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -96.21123114491583,
+              36.13125441651738
+            ],
+            [
+              -96.21119029548359,
+              36.131253464712
+            ],
+            [
+              -96.2111829643897,
+              36.13124265600546
+            ],
+            [
+              -96.21118904587296,
+              36.13122339920533
+            ],
+            [
+              -96.21123064389569,
+              36.13122499421124
+            ],
+            [
+              -96.21123114491583,
+              36.13125441651738
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "b7ed6cb8-d722-4a32-a9e9-2413d50616d5",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -96.20977283821206,
+              36.13234297649505
+            ],
+            [
+              -96.2097878678932,
+              36.13236824061716
+            ],
+            [
+              -96.20978660070546,
+              36.13237190200046
+            ],
+            [
+              -96.20978197289071,
+              36.13237410094215
+            ],
+            [
+              -96.20977564026575,
+              36.13237626014006
+            ],
+            [
+              -96.20976940562696,
+              36.1323756534285
+            ],
+            [
+              -96.20975379134971,
+              36.13235083704118
+            ],
+            [
+              -96.20975682867241,
+              36.13234537146271
+            ],
+            [
+              -96.2097648987667,
+              36.13234233003973
+            ],
+            [
+              -96.20976605163727,
+              36.13234189555069
+            ],
+            [
+              -96.20977283821206,
+              36.13234297649505
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "f0e82657-a80d-48cf-aadc-7c8e5fae1a8f",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -96.20975767604727,
+              36.13236418616027
+            ],
+            [
+              -96.20976094306187,
+              36.13236664305325
+            ],
+            [
+              -96.20976175314406,
+              36.13236950090484
+            ],
+            [
+              -96.20976164847055,
+              36.13237245556326
+            ],
+            [
+              -96.20976150454445,
+              36.13237651821861
+            ],
+            [
+              -96.20976079544538,
+              36.13237724096223
+            ],
+            [
+              -96.20975845358879,
+              36.13237903455373
+            ],
+            [
+              -96.20975592334116,
+              36.13237971484126
+            ],
+            [
+              -96.2097531916184,
+              36.13237965115713
+            ],
+            [
+              -96.20975048606415,
+              36.13237884880834
+            ],
+            [
+              -96.2097414849961,
+              36.13237568186889
+            ],
+            [
+              -96.20973135225326,
+              36.13237230372736
+            ],
+            [
+              -96.20972397086021,
+              36.13236843527142
+            ],
+            [
+              -96.2097234514842,
+              36.13236380269658
+            ],
+            [
+              -96.20972495473102,
+              36.13235995654991
+            ],
+            [
+              -96.20972844788957,
+              36.13235782016204
+            ],
+            [
+              -96.209730991221,
+              36.13235677054277
+            ],
+            [
+              -96.2097335149259,
+              36.13235627492188
+            ],
+            [
+              -96.20973713105317,
+              36.13235709849919
+            ],
+            [
+              -96.20974164467026,
+              36.13235831263682
+            ],
+            [
+              -96.20975767604727,
+              36.13236418616027
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "054e0e8f-5133-4f63-8c25-d9f26bd2e8ba",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -96.20894098447718,
+              36.13120621103916
+            ],
+            [
+              -96.2089425256816,
+              36.13125069564525
+            ],
+            [
+              -96.20888352661986,
+              36.13124909423095
+            ],
+            [
+              -96.20888399656315,
+              36.13120373379325
+            ],
+            [
+              -96.20894098447718,
+              36.13120621103916
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "559a0a30-94b1-4c35-8d2f-0b9b9f5f6432",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -96.20891289350197,
+              36.13107511579772
+            ],
+            [
+              -96.20891311038207,
+              36.13109076739443
+            ],
+            [
+              -96.20887075692181,
+              36.13108852800153
+            ],
+            [
+              -96.20887133307849,
+              36.13107226903685
+            ],
+            [
+              -96.20891289350197,
+              36.13107511579772
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "7d8e8a00-6916-4682-b466-9cb90267750d",
+        "subtype": "minor-damage",
+        "damage_score": 1,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -96.20844520929636,
+              36.13138751758633
+            ],
+            [
+              -96.20847426495675,
+              36.13140892610568
+            ],
+            [
+              -96.20843924062125,
+              36.13143575034188
+            ],
+            [
+              -96.20841168509521,
+              36.131412073376
+            ],
+            [
+              -96.20844520929636,
+              36.13138751758633
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "74377731-0f60-494d-8117-3f8a52b3f756",
+        "subtype": "minor-damage",
+        "damage_score": 1,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -96.20854618234061,
+              36.1296278676184
+            ],
+            [
+              -96.20849004585818,
+              36.1296359324641
+            ],
+            [
+              -96.208468957957,
+              36.1295245139538
+            ],
+            [
+              -96.20851932148466,
+              36.12951631447725
+            ],
+            [
+              -96.20854618234061,
+              36.1296278676184
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "3eba1d83-97b8-46e3-8aab-92831f99a1e9",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -96.2082815293611,
+              36.13071865899533
+            ],
+            [
+              -96.20828081199384,
+              36.13059150000231
+            ],
+            [
+              -96.2083884967204,
+              36.13057494032589
+            ],
+            [
+              -96.20840733410066,
+              36.13070676002381
+            ],
+            [
+              -96.2082815293611,
+              36.13071865899533
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "c1118ead-1c73-474d-93ad-512e73d366ae",
+        "subtype": "minor-damage",
+        "damage_score": 1,
+        "is_severe": false
+      }
+    }
+  ]
+}

data/source_assets/xbd_damage/midwest-flooding_00000370/building_damage_xy.geojson

@@ -0,0 +1,911 @@
+{
+  "type": "FeatureCollection",
+  "coordinate_system": "image_pixel_xy",
+  "gsd_m_per_px": 1.3587263,
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              0.471596381468053,
+              201.3672497040473
+            ],
+            [
+              18.95879772941367,
+              201.7234263206647
+            ],
+            [
+              19.15419514015857,
+              181.0172080479601
+            ],
+            [
+              34.48153935342437,
+              180.7486748485899
+            ],
+            [
+              34.5012907165399,
+              201.2555272310724
+            ],
+            [
+              42.94456822615703,
+              200.825989698533
+            ],
+            [
+              69.16422694669093,
+              200.7659755960585
+            ],
+            [
+              71.4215255507673,
+              206.6338938496239
+            ],
+            [
+              67.95304516595988,
+              223.41831975615
+            ],
+            [
+              52.07718194734635,
+              223.2426737080073
+            ],
+            [
+              47.67580237943903,
+              227.1650827296043
+            ],
+            [
+              0.4716417653781385,
+              226.9716188690316
+            ],
+            [
+              0.471596381468053,
+              201.3672497040473
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "6375f2ee-20f3-48be-98c5-aa78ab6eb41b",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false,
+        "area_px2": 2039.4798,
+        "area_m2": 3765.1595,
+        "centroid_x": 33.1901,
+        "centroid_y": 210.091
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              49.72169124856725,
+              271.4411787009445
+            ],
+            [
+              77.91160029792263,
+              270.8413934059653
+            ],
+            [
+              78.03155735820195,
+              284.2765840997487
+            ],
+            [
+              49.72169124959404,
+              284.3965411556642
+            ],
+            [
+              49.72169124856725,
+              271.4411787009445
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "78086cc7-b829-4039-83e8-3c9f365a8500",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false,
+        "area_px2": 372.7867,
+        "area_m2": 688.2153,
+        "centroid_x": 63.9325,
+        "centroid_y": 277.7424
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              140.2411000679883,
+              309.0595735671126
+            ],
+            [
+              145.6677170341184,
+              309.9754007188963
+            ],
+            [
+              159.2579206836451,
+              310.7795227883676
+            ],
+            [
+              158.5924888775259,
+              322.346597453614
+            ],
+            [
+              143.4054691613995,
+              323.7280852568393
+            ],
+            [
+              139.7805960295914,
+              320.7323833405853
+            ],
+            [
+              140.2411000679883,
+              309.0595735671126
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "51f04c9c-874e-416f-bba4-98bd6b2c6055",
+        "subtype": "minor-damage",
+        "damage_score": 1,
+        "is_severe": false,
+        "area_px2": 241.9327,
+        "area_m2": 446.6409,
+        "centroid_x": 149.2452,
+        "centroid_y": 316.4981
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              218.817927521656,
+              252.8954649250463
+            ],
+            [
+              235.4060194123831,
+              252.9884997854992
+            ],
+            [
+              235.3235630744405,
+              261.3574024762035
+            ],
+            [
+              218.8564994244045,
+              261.2803272229999
+            ],
+            [
+              218.817927521656,
+              252.8954649250463
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "30f121c6-67f9-41b4-b5f4-53b34b94472a",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false,
+        "area_px2": 138.4514,
+        "area_m2": 255.6004,
+        "centroid_x": 227.0985,
+        "centroid_y": 257.1253
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              207.8158956598038,
+              245.1969726815806
+            ],
+            [
+              219.8116016379361,
+              245.0770156225848
+            ],
+            [
+              219.9315586971886,
+              252.3943962675361
+            ],
+            [
+              207.6868300657123,
+              252.3716249348024
+            ],
+            [
+              207.8158956598038,
+              245.1969726815806
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "b2ce721f-3faf-48f6-a635-60bee7730a21",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false,
+        "area_px2": 87.8231,
+        "area_m2": 162.1334,
+        "centroid_x": 213.8315,
+        "centroid_y": 248.7723
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              64.73000681700408,
+              24.6600059279044
+            ],
+            [
+              65.13240961157817,
+              25.82525925554632
+            ],
+            [
+              62.6828258700093,
+              38.99177185412578
+            ],
+            [
+              39.41178034961945,
+              33.48020844348911
+            ],
+            [
+              41.5813523473307,
+              20.14327827066399
+            ],
+            [
+              64.73000681700408,
+              24.6600059279044
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "20a63f6e-5c89-4f0e-ae15-957611c2e2ab",
+        "subtype": "minor-damage",
+        "damage_score": 1,
+        "is_severe": false,
+        "area_px2": 335.7412,
+        "area_m2": 619.8242,
+        "centroid_x": 52.3757,
+        "centroid_y": 29.366
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              528.4194111743807,
+              8.493341437517499
+            ],
+            [
+              558.9344434760565,
+              11.89291243779294
+            ],
+            [
+              552.9389710396702,
+              54.94599771448139
+            ],
+            [
+              523.9111397935509,
+              52.12140054955926
+            ],
+            [
+              528.4194111743807,
+              8.493341437517499
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "a7756e21-c0a5-42dd-a258-cd0e1ed6b8f2",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false,
+        "area_px2": 1306.6552,
+        "area_m2": 2412.2646,
+        "centroid_x": 541.0499,
+        "centroid_y": 31.6744
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              603.9478521054082,
+              11.2773462937506
+            ],
+            [
+              615.9435580873909,
+              11.27734629169703
+            ],
+            [
+              615.9435580843106,
+              20.87391107297093
+            ],
+            [
+              604.1877662246833,
+              20.75395401294831
+            ],
+            [
+              603.9478521054082,
+              11.2773462937506
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "a02ead6b-af41-4eb0-a61e-2e4cdb0a1765",
+        "subtype": "minor-damage",
+        "damage_score": 1,
+        "is_severe": false,
+        "area_px2": 113.2469,
+        "area_m2": 209.0693,
+        "centroid_x": 610.0181,
+        "centroid_y": 16.0295
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              723.0647396617211,
+              409.6351639915788
+            ],
+            [
+              737.6094439276807,
+              410.8384720974701
+            ],
+            [
+              737.3386061674969,
+              424.800721631213
+            ],
+            [
+              719.9383811010974,
+              424.8761619803951
+            ],
+            [
+              719.1567914591445,
+              412.3707277327663
+            ],
+            [
+              723.0647396617211,
+              409.6351639915788
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "4d56fd4f-5782-429c-9634-5aecd9404a95",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false,
+        "area_px2": 259.6862,
+        "area_m2": 479.4163,
+        "centroid_x": 728.4922,
+        "centroid_y": 417.5312
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              845.9870135797635,
+              17.6228282278378
+            ],
+            [
+              854.8415079444717,
+              25.07257417824858
+            ],
+            [
+              834.7278968837552,
+              47.37252329393238
+            ],
+            [
+              825.8610803364434,
+              38.93346811309747
+            ],
+            [
+              845.9870135797635,
+              17.6228282278378
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "028f1413-7129-403b-aab8-1e9482d2163d",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false,
+        "area_px2": 353.0487,
+        "area_m2": 651.7764,
+        "centroid_x": 840.2767,
+        "centroid_y": 32.3704
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              354.3363915256837,
+              77.51203578972738
+            ],
+            [
+              367.0836493720888,
+              72.7792893002979
+            ],
+            [
+              370.1056630291431,
+              81.18641139784526
+            ],
+            [
+              357.7612118350718,
+              85.33340596470444
+            ],
+            [
+              353.5709981860401,
+              82.25820586944802
+            ],
+            [
+              354.3363915256837,
+              77.51203578972738
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "c5938506-5e1d-40f0-aa7b-761afb8191a4",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false,
+        "area_px2": 127.2323,
+        "area_m2": 234.8883,
+        "centroid_x": 361.7361,
+        "centroid_y": 79.3776
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              167.0185425566587,
+              379.0399462793942
+            ],
+            [
+              175.1327886936908,
+              379.0399462793942
+            ],
+            [
+              176.6637785304066,
+              381.6426290029662
+            ],
+            [
+              175.5920856438071,
+              386.38869749563
+            ],
+            [
+              167.3247405263121,
+              386.2355985097765
+            ],
+            [
+              167.0185425566587,
+              379.0399462793942
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "b7ed6cb8-d722-4a32-a9e9-2413d50616d5",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false,
+        "area_px2": 64.5635,
+        "area_m2": 119.1932,
+        "centroid_x": 171.6334,
+        "centroid_y": 382.6612
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              448.8011060786477,
+              104.3955228430275
+            ],
+            [
+              445.6405081322384,
+              98.3000839496812
+            ],
+            [
+              445.8662651301707,
+              97.39705596308592
+            ],
+            [
+              446.7692931141989,
+              96.83266347364578
+            ],
+            [
+              448.0109565925587,
+              96.26827098625922
+            ],
+            [
+              449.2526200711752,
+              96.38114947880796
+            ],
+            [
+              452.5260965152672,
+              102.3637098765251
+            ],
+            [
+              451.9617040235168,
+              103.7182518538511
+            ],
+            [
+              450.3814050539059,
+              104.5084013386566
+            ],
+            [
+              450.1556480552035,
+              104.6212798353124
+            ],
+            [
+              448.8011060786477,
+              104.3955228430275
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "f0e82657-a80d-48cf-aadc-7c8e5fae1a8f",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false,
+        "area_px2": 33.6059,
+        "area_m2": 62.041,
+        "centroid_x": 449.0815,
+        "centroid_y": 100.4264
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              451.6612348186281,
+              99.1198487091201
+            ],
+            [
+              450.9955508658705,
+              98.53737524525906
+            ],
+            [
+              450.8146786479369,
+              97.8427888394303
+            ],
+            [
+              450.8146786497337,
+              97.11929998617775
+            ],
+            [
+              450.8146786502471,
+              96.12450280191757
+            ],
+            [
+              450.950332813184,
+              95.94363058501068
+            ],
+            [
+              451.40251334467,
+              95.49145005044436
+            ],
+            [
+              451.8999119370567,
+              95.31057783661784
+            ],
+            [
+              452.4425285798198,
+              95.31057783764462
+            ],
+            [
+              452.9851452230963,
+              95.49145005044436
+            ],
+            [
+              454.793867365982,
+              96.21493890677726
+            ],
+            [
+              456.8286797797447,
+              96.98364582170072
+            ],
+            [
+              458.3208755492042,
+              97.88800689288693
+            ],
+            [
+              458.4565297139379,
+              99.0184582313563
+            ],
+            [
+              458.1852213919146,
+              99.96803735702593
+            ],
+            [
+              457.5069505846745,
+              100.5106540046662
+            ],
+            [
+              457.009551997165,
+              100.7819623264328
+            ],
+            [
+              456.512153405805,
+              100.9176164868027
+            ],
+            [
+              455.7886645474185,
+              100.7367442719494
+            ],
+            [
+              454.8843034744355,
+              100.4654359501828
+            ],
+            [
+              451.6612348186281,
+              99.1198487091201
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "054e0e8f-5133-4f63-8c25-d9f26bd2e8ba",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false,
+        "area_px2": 28.3939,
+        "area_m2": 52.4191,
+        "centroid_x": 454.5043,
+        "centroid_y": 98.1382
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              621.8954155275694,
+              377.7731951584965
+            ],
+            [
+              621.2766636668894,
+              366.8983070646545
+            ],
+            [
+              632.9977245226054,
+              366.9534983873971
+            ],
+            [
+              633.223481517714,
+              378.0541434776311
+            ],
+            [
+              621.8954155275694,
+              377.7731951584965
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "559a0a30-94b1-4c35-8d2f-0b9b9f5f6432",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false,
+        "area_px2": 126.5582,
+        "area_m2": 233.6439,
+        "centroid_x": 627.3673,
+        "centroid_y": 372.3881
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              628.3927619825664,
+              409.6869156236241
+            ],
+            [
+              628.2396376071362,
+              405.8588061416078
+            ],
+            [
+              636.6614784657751,
+              406.1650549001691
+            ],
+            [
+              636.661478467572,
+              410.1462887624929
+            ],
+            [
+              628.3927619825664,
+              409.6869156236241
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "7d8e8a00-6916-4682-b466-9cb90267750d",
+        "subtype": "minor-damage",
+        "damage_score": 1,
+        "is_severe": false,
+        "area_px2": 32.5563,
+        "area_m2": 60.1033,
+        "centroid_x": 632.5173,
+        "centroid_y": 407.9595
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              719.0187446143698,
+              330.5855936333483
+            ],
+            [
+              713.101358959994,
+              325.5135487870337
+            ],
+            [
+              719.864085420891,
+              318.750822330757
+            ],
+            [
+              725.4996908030894,
+              324.3864277116721
+            ],
+            [
+              719.0187446143698,
+              330.5855936333483
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "74377731-0f60-494d-8117-3f8a52b3f756",
+        "subtype": "minor-damage",
+        "damage_score": 1,
+        "is_severe": false,
+        "area_px2": 72.8893,
+        "area_m2": 134.5637,
+        "centroid_x": 719.3539,
+        "centroid_y": 324.7658
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              711.3554660824985,
+              761.6808032479017
+            ],
+            [
+              722.4406192097122,
+              759.3873232897682
+            ],
+            [
+              727.4098257822455,
+              786.526836118783
+            ],
+            [
+              717.4714126340986,
+              788.8203160758898
+            ],
+            [
+              711.3554660824985,
+              761.6808032479017
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "3eba1d83-97b8-46e3-8aab-92831f99a1e9",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false,
+        "area_px2": 297.9965,
+        "area_m2": 550.1423,
+        "centroid_x": 719.6134,
+        "centroid_y": 773.8693
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              756.2101631779257,
+              493.2956798648332
+            ],
+            [
+              757.2470581817237,
+              524.4025298560733
+            ],
+            [
+              735.9907106851089,
+              529.0685573535272
+            ],
+            [
+              731.3246831856014,
+              496.9248123607993
+            ],
+            [
+              756.2101631779257,
+              493.2956798648332
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "c1118ead-1c73-474d-93ad-512e73d366ae",
+        "subtype": "minor-damage",
+        "damage_score": 1,
+        "is_severe": false,
+        "area_px2": 741.4512,
+        "area_m2": 1368.8206,
+        "centroid_x": 745.0563,
+        "centroid_y": 510.5436
+      }
+    }
+  ]
+}

data/source_assets/xbd_damage/midwest-flooding_00000370/grid_4x4.geojson

@@ -0,0 +1,1110 @@
+{
+  "type": "FeatureCollection",
+  "coordinate_system": "image_pixel_xy",
+  "grid_type": "grid_4x4",
+  "scene_id": "midwest-flooding_00000370",
+  "n_cells": 16,
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              0.0
+            ],
+            [
+              256.0,
+              256.0
+            ],
+            [
+              0.0,
+              256.0
+            ],
+            [
+              0.0,
+              0.0
+            ],
+            [
+              256.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G00",
+        "row": 0,
+        "col": 0,
+        "building_count": 3,
+        "classified_building_count": 3,
+        "no_damage": 2,
+        "minor_damage": 1,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 4640.6422,
+        "severity_score": 0.111111,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              0.0
+            ],
+            [
+              512.0,
+              256.0
+            ],
+            [
+              256.0,
+              256.0
+            ],
+            [
+              256.0,
+              0.0
+            ],
+            [
+              512.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G01",
+        "row": 0,
+        "col": 1,
+        "building_count": 3,
+        "classified_building_count": 3,
+        "no_damage": 3,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 349.3484,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              0.0
+            ],
+            [
+              768.0,
+              256.0
+            ],
+            [
+              512.0,
+              256.0
+            ],
+            [
+              512.0,
+              0.0
+            ],
+            [
+              768.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G02",
+        "row": 0,
+        "col": 2,
+        "building_count": 2,
+        "classified_building_count": 2,
+        "no_damage": 1,
+        "minor_damage": 1,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 2621.334,
+        "severity_score": 0.166667,
+        "dominant_damage": "minor-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              0.0
+            ],
+            [
+              1024.0,
+              256.0
+            ],
+            [
+              768.0,
+              256.0
+            ],
+            [
+              768.0,
+              0.0
+            ],
+            [
+              1024.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G03",
+        "row": 0,
+        "col": 3,
+        "building_count": 1,
+        "classified_building_count": 1,
+        "no_damage": 1,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 651.7764,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              256.0
+            ],
+            [
+              256.0,
+              512.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              0.0,
+              256.0
+            ],
+            [
+              256.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G10",
+        "row": 1,
+        "col": 0,
+        "building_count": 4,
+        "classified_building_count": 4,
+        "no_damage": 3,
+        "minor_damage": 1,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 1416.1248,
+        "severity_score": 0.083333,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              256.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              256.0,
+              512.0
+            ],
+            [
+              256.0,
+              256.0
+            ],
+            [
+              512.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G11",
+        "row": 1,
+        "col": 1,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              256.0
+            ],
+            [
+              768.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              256.0
+            ],
+            [
+              768.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G12",
+        "row": 1,
+        "col": 2,
+        "building_count": 5,
+        "classified_building_count": 5,
+        "no_damage": 2,
+        "minor_damage": 3,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 1663.9893,
+        "severity_score": 0.2,
+        "dominant_damage": "minor-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              256.0
+            ],
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              768.0,
+              512.0
+            ],
+            [
+              768.0,
+              256.0
+            ],
+            [
+              1024.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G13",
+        "row": 1,
+        "col": 3,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              512.0
+            ],
+            [
+              256.0,
+              768.0
+            ],
+            [
+              0.0,
+              768.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              256.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G20",
+        "row": 2,
+        "col": 0,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              768.0
+            ],
+            [
+              256.0,
+              768.0
+            ],
+            [
+              256.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G21",
+        "row": 2,
+        "col": 1,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              512.0
+            ],
+            [
+              768.0,
+              768.0
+            ],
+            [
+              512.0,
+              768.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              768.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G22",
+        "row": 2,
+        "col": 2,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 769.5772,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              1024.0,
+              768.0
+            ],
+            [
+              768.0,
+              768.0
+            ],
+            [
+              768.0,
+              512.0
+            ],
+            [
+              1024.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G23",
+        "row": 2,
+        "col": 3,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              768.0
+            ],
+            [
+              256.0,
+              1024.0
+            ],
+            [
+              0.0,
+              1024.0
+            ],
+            [
+              0.0,
+              768.0
+            ],
+            [
+              256.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G30",
+        "row": 3,
+        "col": 0,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              768.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              256.0,
+              1024.0
+            ],
+            [
+              256.0,
+              768.0
+            ],
+            [
+              512.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G31",
+        "row": 3,
+        "col": 1,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              768.0
+            ],
+            [
+              768.0,
+              1024.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              512.0,
+              768.0
+            ],
+            [
+              768.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G32",
+        "row": 3,
+        "col": 2,
+        "building_count": 1,
+        "classified_building_count": 1,
+        "no_damage": 1,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 393.1236,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              768.0
+            ],
+            [
+              1024.0,
+              1024.0
+            ],
+            [
+              768.0,
+              1024.0
+            ],
+            [
+              768.0,
+              768.0
+            ],
+            [
+              1024.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G33",
+        "row": 3,
+        "col": 3,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    }
+  ],
+  "summary": {
+    "highest_severity_score_cell": "G12",
+    "highest_severity_score": 0.198,
+    "most_severe_buildings_cell": "G00",
+    "most_severe_count": 0,
+    "most_severe_area_m2": 0.0,
+    "most_buildings_cell": "G12",
+    "most_buildings_count": 5,
+    "empty_cell_count": 9,
+    "empty_cell_ids": [
+      "G11",
+      "G13",
+      "G20",
+      "G21",
+      "G22",
+      "G23",
+      "G30",
+      "G31",
+      "G33"
+    ],
+    "cell_breakdown": [
+      {
+        "cell_id": "G00",
+        "building_count": 3,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 4547.1171,
+        "severity_score": 0.11,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 2,
+          "minor_damage": 1,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G01",
+        "building_count": 3,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 349.3484,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 3,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G02",
+        "building_count": 2,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 2621.3339,
+        "severity_score": 0.165,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 1,
+          "minor_damage": 1,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G03",
+        "building_count": 1,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 651.7764,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 1,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G10",
+        "building_count": 4,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 1509.6498,
+        "severity_score": 0.0825,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 3,
+          "minor_damage": 1,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G11",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G12",
+        "building_count": 5,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 2276.5478,
+        "severity_score": 0.198,
+        "dominant_damage": "minor-damage",
+        "subtype_histogram": {
+          "no_damage": 2,
+          "minor_damage": 3,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G13",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G20",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G21",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G22",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G23",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G30",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G31",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G32",
+        "building_count": 1,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 550.1423,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 1,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G33",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      }
+    ]
+  },
+  "aggregation_contract": {
+    "count_assignment": "building_centroid",
+    "area_assignment": "polygon_cell_intersection",
+    "severity_formula": "(minor + 2*major + 3*destroyed) / (3*classified_buildings)",
+    "unclassified_policy": "excluded_from_severity_denominator"
+  }
+}

data/source_assets/xbd_damage/midwest-flooding_00000370/quadrants.geojson

@@ -0,0 +1,298 @@
+{
+  "type": "FeatureCollection",
+  "coordinate_system": "image_pixel_xy",
+  "grid_type": "quadrant_2x2",
+  "scene_id": "midwest-flooding_00000370",
+  "n_cells": 4,
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              0.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              0.0,
+              0.0
+            ],
+            [
+              512.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q0",
+        "row": 0,
+        "col": 0,
+        "building_count": 10,
+        "classified_building_count": 10,
+        "no_damage": 8,
+        "minor_damage": 2,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 6406.1153,
+        "severity_score": 0.066667,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              0.0
+            ],
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              0.0
+            ],
+            [
+              1024.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q1",
+        "row": 0,
+        "col": 1,
+        "building_count": 8,
+        "classified_building_count": 8,
+        "no_damage": 4,
+        "minor_damage": 4,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 4937.0997,
+        "severity_score": 0.166667,
+        "dominant_damage": "minor-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              0.0,
+              1024.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q2",
+        "row": 1,
+        "col": 0,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              1024.0,
+              1024.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              1024.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q3",
+        "row": 1,
+        "col": 1,
+        "building_count": 1,
+        "classified_building_count": 1,
+        "no_damage": 1,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 1162.7007,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    }
+  ],
+  "summary": {
+    "highest_severity_score_cell": "Q1",
+    "highest_severity_score": 0.165,
+    "most_severe_buildings_cell": "Q0",
+    "most_severe_count": 0,
+    "most_severe_area_m2": 0.0,
+    "most_buildings_cell": "Q0",
+    "most_buildings_count": 10,
+    "empty_cell_count": 1,
+    "empty_cell_ids": [
+      "Q2"
+    ],
+    "cell_breakdown": [
+      {
+        "cell_id": "Q0",
+        "building_count": 10,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 6406.1153,
+        "severity_score": 0.066,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 8,
+          "minor_damage": 2,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "Q1",
+        "building_count": 8,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 5549.6581,
+        "severity_score": 0.165,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 4,
+          "minor_damage": 4,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "Q2",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "Q3",
+        "building_count": 1,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 550.1423,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 1,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      }
+    ]
+  },
+  "aggregation_contract": {
+    "count_assignment": "building_centroid",
+    "area_assignment": "polygon_cell_intersection",
+    "severity_formula": "(minor + 2*major + 3*destroyed) / (3*classified_buildings)",
+    "unclassified_policy": "excluded_from_severity_denominator"
+  }
+}

data/source_assets/xbd_damage/moore-tornado_00000003/grid_4x4.geojson

@@ -0,0 +1,1106 @@
+{
+  "type": "FeatureCollection",
+  "coordinate_system": "image_pixel_xy",
+  "grid_type": "grid_4x4",
+  "scene_id": "moore-tornado_00000003",
+  "n_cells": 16,
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              0.0
+            ],
+            [
+              256.0,
+              256.0
+            ],
+            [
+              0.0,
+              256.0
+            ],
+            [
+              0.0,
+              0.0
+            ],
+            [
+              256.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G00",
+        "row": 0,
+        "col": 0,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              0.0
+            ],
+            [
+              512.0,
+              256.0
+            ],
+            [
+              256.0,
+              256.0
+            ],
+            [
+              256.0,
+              0.0
+            ],
+            [
+              512.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G01",
+        "row": 0,
+        "col": 1,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              0.0
+            ],
+            [
+              768.0,
+              256.0
+            ],
+            [
+              512.0,
+              256.0
+            ],
+            [
+              512.0,
+              0.0
+            ],
+            [
+              768.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G02",
+        "row": 0,
+        "col": 2,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              0.0
+            ],
+            [
+              1024.0,
+              256.0
+            ],
+            [
+              768.0,
+              256.0
+            ],
+            [
+              768.0,
+              0.0
+            ],
+            [
+              1024.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G03",
+        "row": 0,
+        "col": 3,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              256.0
+            ],
+            [
+              256.0,
+              512.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              0.0,
+              256.0
+            ],
+            [
+              256.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G10",
+        "row": 1,
+        "col": 0,
+        "building_count": 9,
+        "classified_building_count": 9,
+        "no_damage": 0,
+        "minor_damage": 1,
+        "major_damage": 0,
+        "destroyed": 8,
+        "unclassified": 0,
+        "severe_count": 8,
+        "severe_pct": 88.8889,
+        "severe_area_m2": 13534.8853,
+        "total_area_m2": 15707.6481,
+        "severity_score": 0.925926,
+        "dominant_damage": "destroyed",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              256.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              256.0,
+              512.0
+            ],
+            [
+              256.0,
+              256.0
+            ],
+            [
+              512.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G11",
+        "row": 1,
+        "col": 1,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              256.0
+            ],
+            [
+              768.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              256.0
+            ],
+            [
+              768.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G12",
+        "row": 1,
+        "col": 2,
+        "building_count": 12,
+        "classified_building_count": 11,
+        "no_damage": 2,
+        "minor_damage": 3,
+        "major_damage": 1,
+        "destroyed": 5,
+        "unclassified": 1,
+        "severe_count": 6,
+        "severe_pct": 54.5455,
+        "severe_area_m2": 13285.8544,
+        "total_area_m2": 33707.9946,
+        "severity_score": 0.606061,
+        "dominant_damage": "destroyed",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              256.0
+            ],
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              768.0,
+              512.0
+            ],
+            [
+              768.0,
+              256.0
+            ],
+            [
+              1024.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G13",
+        "row": 1,
+        "col": 3,
+        "building_count": 21,
+        "classified_building_count": 19,
+        "no_damage": 4,
+        "minor_damage": 1,
+        "major_damage": 9,
+        "destroyed": 5,
+        "unclassified": 2,
+        "severe_count": 14,
+        "severe_pct": 73.6842,
+        "severe_area_m2": 24248.174,
+        "total_area_m2": 43289.5974,
+        "severity_score": 0.596491,
+        "dominant_damage": "major-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              512.0
+            ],
+            [
+              256.0,
+              768.0
+            ],
+            [
+              0.0,
+              768.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              256.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G20",
+        "row": 2,
+        "col": 0,
+        "building_count": 17,
+        "classified_building_count": 13,
+        "no_damage": 11,
+        "minor_damage": 2,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 4,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 140.7239,
+        "total_area_m2": 39253.0277,
+        "severity_score": 0.051282,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              768.0
+            ],
+            [
+              256.0,
+              768.0
+            ],
+            [
+              256.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G21",
+        "row": 2,
+        "col": 1,
+        "building_count": 17,
+        "classified_building_count": 12,
+        "no_damage": 12,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 5,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 38538.8101,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              512.0
+            ],
+            [
+              768.0,
+              768.0
+            ],
+            [
+              512.0,
+              768.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              768.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G22",
+        "row": 2,
+        "col": 2,
+        "building_count": 18,
+        "classified_building_count": 15,
+        "no_damage": 12,
+        "minor_damage": 3,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 3,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 38593.2592,
+        "severity_score": 0.066667,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              1024.0,
+              768.0
+            ],
+            [
+              768.0,
+              768.0
+            ],
+            [
+              768.0,
+              512.0
+            ],
+            [
+              1024.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G23",
+        "row": 2,
+        "col": 3,
+        "building_count": 25,
+        "classified_building_count": 25,
+        "no_damage": 20,
+        "minor_damage": 5,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 54396.6639,
+        "severity_score": 0.066667,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              768.0
+            ],
+            [
+              256.0,
+              1024.0
+            ],
+            [
+              0.0,
+              1024.0
+            ],
+            [
+              0.0,
+              768.0
+            ],
+            [
+              256.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G30",
+        "row": 3,
+        "col": 0,
+        "building_count": 24,
+        "classified_building_count": 22,
+        "no_damage": 22,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 2,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 37678.4415,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              768.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              256.0,
+              1024.0
+            ],
+            [
+              256.0,
+              768.0
+            ],
+            [
+              512.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G31",
+        "row": 3,
+        "col": 1,
+        "building_count": 20,
+        "classified_building_count": 20,
+        "no_damage": 20,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 47747.968,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              768.0
+            ],
+            [
+              768.0,
+              1024.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              512.0,
+              768.0
+            ],
+            [
+              768.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G32",
+        "row": 3,
+        "col": 2,
+        "building_count": 22,
+        "classified_building_count": 22,
+        "no_damage": 22,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 40315.1124,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              768.0
+            ],
+            [
+              1024.0,
+              1024.0
+            ],
+            [
+              768.0,
+              1024.0
+            ],
+            [
+              768.0,
+              768.0
+            ],
+            [
+              1024.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G33",
+        "row": 3,
+        "col": 3,
+        "building_count": 27,
+        "classified_building_count": 26,
+        "no_damage": 26,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 1,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 46046.446,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    }
+  ],
+  "summary": {
+    "highest_severity_score_cell": "G10",
+    "highest_severity_score": 0.9256,
+    "most_severe_buildings_cell": "G13",
+    "most_severe_count": 14,
+    "most_severe_area_m2": 24945.2312,
+    "most_buildings_cell": "G33",
+    "most_buildings_count": 27,
+    "empty_cell_count": 5,
+    "empty_cell_ids": [
+      "G00",
+      "G01",
+      "G02",
+      "G03",
+      "G11"
+    ],
+    "cell_breakdown": [
+      {
+        "cell_id": "G00",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G01",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G02",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G03",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G10",
+        "building_count": 9,
+        "severe_count": 8,
+        "severe_area_m2": 13675.6091,
+        "total_area_m2": 15848.3719,
+        "severity_score": 0.9256,
+        "dominant_damage": "destroyed",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 1,
+          "major_damage": 0,
+          "destroyed": 8,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G11",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G12",
+        "building_count": 12,
+        "severe_count": 6,
+        "severe_area_m2": 12588.7972,
+        "total_area_m2": 30799.1331,
+        "severity_score": 0.555,
+        "dominant_damage": "destroyed",
+        "subtype_histogram": {
+          "no_damage": 2,
+          "minor_damage": 3,
+          "major_damage": 1,
+          "destroyed": 5,
+          "unclassified": 1
+        }
+      },
+      {
+        "cell_id": "G13",
+        "building_count": 21,
+        "severe_count": 14,
+        "severe_area_m2": 24945.2312,
+        "total_area_m2": 41159.1223,
+        "severity_score": 0.541,
+        "dominant_damage": "major-damage",
+        "subtype_histogram": {
+          "no_damage": 4,
+          "minor_damage": 1,
+          "major_damage": 9,
+          "destroyed": 5,
+          "unclassified": 2
+        }
+      },
+      {
+        "cell_id": "G20",
+        "building_count": 17,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 40173.282,
+        "severity_score": 0.0388,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 11,
+          "minor_damage": 2,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 4
+        }
+      },
+      {
+        "cell_id": "G21",
+        "building_count": 17,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 37832.5513,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 12,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 5
+        }
+      },
+      {
+        "cell_id": "G22",
+        "building_count": 18,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 40780.025,
+        "severity_score": 0.055,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 12,
+          "minor_damage": 3,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 3
+        }
+      },
+      {
+        "cell_id": "G23",
+        "building_count": 25,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 59231.7691,
+        "severity_score": 0.066,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 20,
+          "minor_damage": 5,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G30",
+        "building_count": 24,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 36674.4376,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 22,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 2
+        }
+      },
+      {
+        "cell_id": "G31",
+        "building_count": 20,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 48432.4431,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 20,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G32",
+        "building_count": 22,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 38473.083,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 22,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G33",
+        "building_count": 27,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 45870.7505,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 26,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 1
+        }
+      }
+    ]
+  },
+  "aggregation_contract": {
+    "count_assignment": "building_centroid",
+    "area_assignment": "polygon_cell_intersection",
+    "severity_formula": "(minor + 2*major + 3*destroyed) / (3*classified_buildings)",
+    "unclassified_policy": "excluded_from_severity_denominator"
+  }
+}

data/source_assets/xbd_damage/moore-tornado_00000003/quadrants.geojson

@@ -0,0 +1,296 @@
+{
+  "type": "FeatureCollection",
+  "coordinate_system": "image_pixel_xy",
+  "grid_type": "quadrant_2x2",
+  "scene_id": "moore-tornado_00000003",
+  "n_cells": 4,
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              0.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              0.0,
+              0.0
+            ],
+            [
+              512.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q0",
+        "row": 0,
+        "col": 0,
+        "building_count": 9,
+        "classified_building_count": 9,
+        "no_damage": 0,
+        "minor_damage": 1,
+        "major_damage": 0,
+        "destroyed": 8,
+        "unclassified": 0,
+        "severe_count": 8,
+        "severe_pct": 88.8889,
+        "severe_area_m2": 13534.8853,
+        "total_area_m2": 15707.6481,
+        "severity_score": 0.925926,
+        "dominant_damage": "destroyed",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              0.0
+            ],
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              0.0
+            ],
+            [
+              1024.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q1",
+        "row": 0,
+        "col": 1,
+        "building_count": 33,
+        "classified_building_count": 30,
+        "no_damage": 6,
+        "minor_damage": 4,
+        "major_damage": 10,
+        "destroyed": 10,
+        "unclassified": 3,
+        "severe_count": 20,
+        "severe_pct": 66.6667,
+        "severe_area_m2": 37534.0283,
+        "total_area_m2": 76997.5921,
+        "severity_score": 0.6,
+        "dominant_damage": "destroyed",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              0.0,
+              1024.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q2",
+        "row": 1,
+        "col": 0,
+        "building_count": 78,
+        "classified_building_count": 67,
+        "no_damage": 65,
+        "minor_damage": 2,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 11,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 140.7239,
+        "total_area_m2": 163218.2472,
+        "severity_score": 0.00995,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              1024.0,
+              1024.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              1024.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q3",
+        "row": 1,
+        "col": 1,
+        "building_count": 92,
+        "classified_building_count": 88,
+        "no_damage": 80,
+        "minor_damage": 8,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 4,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 179351.4815,
+        "severity_score": 0.030303,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    }
+  ],
+  "summary": {
+    "highest_severity_score_cell": "Q0",
+    "highest_severity_score": 0.9256,
+    "most_severe_buildings_cell": "Q1",
+    "most_severe_count": 20,
+    "most_severe_area_m2": 37534.0284,
+    "most_buildings_cell": "Q3",
+    "most_buildings_count": 92,
+    "empty_cell_count": 0,
+    "empty_cell_ids": [],
+    "cell_breakdown": [
+      {
+        "cell_id": "Q0",
+        "building_count": 9,
+        "severe_count": 8,
+        "severe_area_m2": 13675.6091,
+        "total_area_m2": 15848.3719,
+        "severity_score": 0.9256,
+        "dominant_damage": "destroyed",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 1,
+          "major_damage": 0,
+          "destroyed": 8,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "Q1",
+        "building_count": 33,
+        "severe_count": 20,
+        "severe_area_m2": 37534.0284,
+        "total_area_m2": 71958.2554,
+        "severity_score": 0.5461,
+        "dominant_damage": "major-damage",
+        "subtype_histogram": {
+          "no_damage": 6,
+          "minor_damage": 4,
+          "major_damage": 10,
+          "destroyed": 10,
+          "unclassified": 3
+        }
+      },
+      {
+        "cell_id": "Q2",
+        "building_count": 78,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 163112.714,
+        "severity_score": 0.0085,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 65,
+          "minor_damage": 2,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 11
+        }
+      },
+      {
+        "cell_id": "Q3",
+        "building_count": 92,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 184355.6276,
+        "severity_score": 0.0287,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 80,
+          "minor_damage": 8,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 4
+        }
+      }
+    ]
+  },
+  "aggregation_contract": {
+    "count_assignment": "building_centroid",
+    "area_assignment": "polygon_cell_intersection",
+    "severity_formula": "(minor + 2*major + 3*destroyed) / (3*classified_buildings)",
+    "unclassified_policy": "excluded_from_severity_denominator"
+  }
+}

data/source_assets/xbd_damage/moore-tornado_00000013/grid_4x4.geojson

@@ -0,0 +1,1100 @@
+{
+  "type": "FeatureCollection",
+  "coordinate_system": "image_pixel_xy",
+  "grid_type": "grid_4x4",
+  "scene_id": "moore-tornado_00000013",
+  "n_cells": 16,
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              0.0
+            ],
+            [
+              256.0,
+              256.0
+            ],
+            [
+              0.0,
+              256.0
+            ],
+            [
+              0.0,
+              0.0
+            ],
+            [
+              256.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G00",
+        "row": 0,
+        "col": 0,
+        "building_count": 2,
+        "classified_building_count": 2,
+        "no_damage": 2,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 4891.1192,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              0.0
+            ],
+            [
+              512.0,
+              256.0
+            ],
+            [
+              256.0,
+              256.0
+            ],
+            [
+              256.0,
+              0.0
+            ],
+            [
+              512.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G01",
+        "row": 0,
+        "col": 1,
+        "building_count": 8,
+        "classified_building_count": 8,
+        "no_damage": 8,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 5798.2239,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              0.0
+            ],
+            [
+              768.0,
+              256.0
+            ],
+            [
+              512.0,
+              256.0
+            ],
+            [
+              512.0,
+              0.0
+            ],
+            [
+              768.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G02",
+        "row": 0,
+        "col": 2,
+        "building_count": 10,
+        "classified_building_count": 10,
+        "no_damage": 10,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 26821.7081,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              0.0
+            ],
+            [
+              1024.0,
+              256.0
+            ],
+            [
+              768.0,
+              256.0
+            ],
+            [
+              768.0,
+              0.0
+            ],
+            [
+              1024.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G03",
+        "row": 0,
+        "col": 3,
+        "building_count": 8,
+        "classified_building_count": 8,
+        "no_damage": 8,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 20943.9136,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              256.0
+            ],
+            [
+              256.0,
+              512.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              0.0,
+              256.0
+            ],
+            [
+              256.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G10",
+        "row": 1,
+        "col": 0,
+        "building_count": 1,
+        "classified_building_count": 1,
+        "no_damage": 1,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 7812.2806,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              256.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              256.0,
+              512.0
+            ],
+            [
+              256.0,
+              256.0
+            ],
+            [
+              512.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G11",
+        "row": 1,
+        "col": 1,
+        "building_count": 4,
+        "classified_building_count": 4,
+        "no_damage": 4,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 18201.5178,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              256.0
+            ],
+            [
+              768.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              256.0
+            ],
+            [
+              768.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G12",
+        "row": 1,
+        "col": 2,
+        "building_count": 25,
+        "classified_building_count": 25,
+        "no_damage": 25,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 54153.5715,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              256.0
+            ],
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              768.0,
+              512.0
+            ],
+            [
+              768.0,
+              256.0
+            ],
+            [
+              1024.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G13",
+        "row": 1,
+        "col": 3,
+        "building_count": 23,
+        "classified_building_count": 23,
+        "no_damage": 23,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 43884.7219,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              512.0
+            ],
+            [
+              256.0,
+              768.0
+            ],
+            [
+              0.0,
+              768.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              256.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G20",
+        "row": 2,
+        "col": 0,
+        "building_count": 4,
+        "classified_building_count": 4,
+        "no_damage": 4,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 15704.6815,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              768.0
+            ],
+            [
+              256.0,
+              768.0
+            ],
+            [
+              256.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G21",
+        "row": 2,
+        "col": 1,
+        "building_count": 3,
+        "classified_building_count": 3,
+        "no_damage": 3,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 9699.8221,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              512.0
+            ],
+            [
+              768.0,
+              768.0
+            ],
+            [
+              512.0,
+              768.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              768.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G22",
+        "row": 2,
+        "col": 2,
+        "building_count": 13,
+        "classified_building_count": 13,
+        "no_damage": 13,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 38210.3396,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              1024.0,
+              768.0
+            ],
+            [
+              768.0,
+              768.0
+            ],
+            [
+              768.0,
+              512.0
+            ],
+            [
+              1024.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G23",
+        "row": 2,
+        "col": 3,
+        "building_count": 13,
+        "classified_building_count": 13,
+        "no_damage": 13,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 41913.7094,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              768.0
+            ],
+            [
+              256.0,
+              1024.0
+            ],
+            [
+              0.0,
+              1024.0
+            ],
+            [
+              0.0,
+              768.0
+            ],
+            [
+              256.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G30",
+        "row": 3,
+        "col": 0,
+        "building_count": 5,
+        "classified_building_count": 5,
+        "no_damage": 4,
+        "minor_damage": 1,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 37449.5563,
+        "severity_score": 0.066667,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              768.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              256.0,
+              1024.0
+            ],
+            [
+              256.0,
+              768.0
+            ],
+            [
+              512.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G31",
+        "row": 3,
+        "col": 1,
+        "building_count": 3,
+        "classified_building_count": 3,
+        "no_damage": 3,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 6905.8597,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              768.0
+            ],
+            [
+              768.0,
+              1024.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              512.0,
+              768.0
+            ],
+            [
+              768.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G32",
+        "row": 3,
+        "col": 2,
+        "building_count": 24,
+        "classified_building_count": 24,
+        "no_damage": 22,
+        "minor_damage": 2,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 56699.371,
+        "severity_score": 0.027778,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              768.0
+            ],
+            [
+              1024.0,
+              1024.0
+            ],
+            [
+              768.0,
+              1024.0
+            ],
+            [
+              768.0,
+              768.0
+            ],
+            [
+              1024.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G33",
+        "row": 3,
+        "col": 3,
+        "building_count": 17,
+        "classified_building_count": 17,
+        "no_damage": 16,
+        "minor_damage": 1,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 42493.6944,
+        "severity_score": 0.019608,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    }
+  ],
+  "summary": {
+    "highest_severity_score_cell": "G30",
+    "highest_severity_score": 0.066,
+    "most_severe_buildings_cell": "G00",
+    "most_severe_count": 0,
+    "most_severe_area_m2": 0.0,
+    "most_buildings_cell": "G12",
+    "most_buildings_count": 25,
+    "empty_cell_count": 0,
+    "empty_cell_ids": [],
+    "cell_breakdown": [
+      {
+        "cell_id": "G00",
+        "building_count": 2,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 8130.2264,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 2,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G01",
+        "building_count": 8,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 5464.9849,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 8,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G02",
+        "building_count": 10,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 27313.4969,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 10,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G03",
+        "building_count": 8,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 19825.853,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 8,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G10",
+        "building_count": 1,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 5613.8334,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 1,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G11",
+        "building_count": 4,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 18906.2945,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 4,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G12",
+        "building_count": 25,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 56163.3305,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 25,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G13",
+        "building_count": 23,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 44186.2034,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 23,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G20",
+        "building_count": 4,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 17178.3653,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 4,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G21",
+        "building_count": 3,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 4309.6875,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 3,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G22",
+        "building_count": 13,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 36024.4135,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 13,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G23",
+        "building_count": 13,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 43813.8173,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 13,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G30",
+        "building_count": 5,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 35914.5224,
+        "severity_score": 0.066,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 4,
+          "minor_damage": 1,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G31",
+        "building_count": 3,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 9307.0319,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 3,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G32",
+        "building_count": 24,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 59918.335,
+        "severity_score": 0.0275,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 22,
+          "minor_damage": 2,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G33",
+        "building_count": 17,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 39513.6944,
+        "severity_score": 0.0194,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 16,
+          "minor_damage": 1,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      }
+    ]
+  },
+  "aggregation_contract": {
+    "count_assignment": "building_centroid",
+    "area_assignment": "polygon_cell_intersection",
+    "severity_formula": "(minor + 2*major + 3*destroyed) / (3*classified_buildings)",
+    "unclassified_policy": "excluded_from_severity_denominator"
+  }
+}

data/source_assets/xbd_damage/moore-tornado_00000013/quadrants.geojson

@@ -0,0 +1,296 @@
+{
+  "type": "FeatureCollection",
+  "coordinate_system": "image_pixel_xy",
+  "grid_type": "quadrant_2x2",
+  "scene_id": "moore-tornado_00000013",
+  "n_cells": 4,
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              0.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              0.0,
+              0.0
+            ],
+            [
+              512.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q0",
+        "row": 0,
+        "col": 0,
+        "building_count": 15,
+        "classified_building_count": 15,
+        "no_damage": 15,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 36703.1415,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              0.0
+            ],
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              0.0
+            ],
+            [
+              1024.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q1",
+        "row": 0,
+        "col": 1,
+        "building_count": 66,
+        "classified_building_count": 66,
+        "no_damage": 66,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 145803.915,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              0.0,
+              1024.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q2",
+        "row": 1,
+        "col": 0,
+        "building_count": 15,
+        "classified_building_count": 15,
+        "no_damage": 14,
+        "minor_damage": 1,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 69759.9195,
+        "severity_score": 0.022222,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              1024.0,
+              1024.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              1024.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q3",
+        "row": 1,
+        "col": 1,
+        "building_count": 67,
+        "classified_building_count": 67,
+        "no_damage": 64,
+        "minor_damage": 3,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 179317.1144,
+        "severity_score": 0.014925,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    }
+  ],
+  "summary": {
+    "highest_severity_score_cell": "Q2",
+    "highest_severity_score": 0.022,
+    "most_severe_buildings_cell": "Q0",
+    "most_severe_count": 0,
+    "most_severe_area_m2": 0.0,
+    "most_buildings_cell": "Q3",
+    "most_buildings_count": 67,
+    "empty_cell_count": 0,
+    "empty_cell_ids": [],
+    "cell_breakdown": [
+      {
+        "cell_id": "Q0",
+        "building_count": 15,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 38115.3392,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 15,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "Q1",
+        "building_count": 66,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 147488.8838,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 66,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "Q2",
+        "building_count": 15,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 66709.6071,
+        "severity_score": 0.022,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 14,
+          "minor_damage": 1,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "Q3",
+        "building_count": 67,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 179270.2602,
+        "severity_score": 0.0148,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 64,
+          "minor_damage": 3,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      }
+    ]
+  },
+  "aggregation_contract": {
+    "count_assignment": "building_centroid",
+    "area_assignment": "polygon_cell_intersection",
+    "severity_formula": "(minor + 2*major + 3*destroyed) / (3*classified_buildings)",
+    "unclassified_policy": "excluded_from_severity_denominator"
+  }
+}

data/source_assets/xbd_damage/moore-tornado_00000037/building_damage_lnglat.geojson

@@ -0,0 +1,607 @@
+{
+  "type": "FeatureCollection",
+  "coordinate_system": "EPSG:4326",
+  "note": "Visualization only. Compute area from xy GeoJSON.",
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.50743696063438,
+              35.31213429772773
+            ],
+            [
+              -97.50730053154189,
+              35.3121328413936
+            ],
+            [
+              -97.50730092461315,
+              35.31212053370522
+            ],
+            [
+              -97.50728822668832,
+              35.31212028241009
+            ],
+            [
+              -97.50728757186835,
+              35.31209561213661
+            ],
+            [
+              -97.50725336158466,
+              35.31209485342309
+            ],
+            [
+              -97.50724851951806,
+              35.3119723156255
+            ],
+            [
+              -97.50725609862492,
+              35.31197252704534
+            ],
+            [
+              -97.50725503988177,
+              35.31192000039257
+            ],
+            [
+              -97.50736686914448,
+              35.31191910605821
+            ],
+            [
+              -97.50736660028917,
+              35.31195905590001
+            ],
+            [
+              -97.50743347765498,
+              35.31196081595669
+            ],
+            [
+              -97.50743362067891,
+              35.31199079939002
+            ],
+            [
+              -97.50750940205089,
+              35.31199242524494
+            ],
+            [
+              -97.50750597142084,
+              35.31207768993475
+            ],
+            [
+              -97.50743637412222,
+              35.31207810399266
+            ],
+            [
+              -97.50743696063438,
+              35.31213429772773
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "8a6fd243-1b64-4630-a416-147f28fdc7cc",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.50759574270742,
+              35.3122241624277
+            ],
+            [
+              -97.50744670226851,
+              35.3122197760972
+            ],
+            [
+              -97.50745109565767,
+              35.31211593400239
+            ],
+            [
+              -97.50759951471068,
+              35.31212031265481
+            ],
+            [
+              -97.50759574270742,
+              35.3122241624277
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "a3b0caf4-4d73-4905-a982-c636993b7867",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.50674864575458,
+              35.3120310898042
+            ],
+            [
+              -97.50674956106168,
+              35.31211809563619
+            ],
+            [
+              -97.506663114954,
+              35.31211769643556
+            ],
+            [
+              -97.50666383056455,
+              35.31203071074869
+            ],
+            [
+              -97.50674864575458,
+              35.3120310898042
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "1d1b2841-2c27-4e7e-bc9a-6f9062f5510d",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.50633097932203,
+              35.31187632590885
+            ],
+            [
+              -97.5064447900534,
+              35.31187627997552
+            ],
+            [
+              -97.50644419203486,
+              35.31204036289066
+            ],
+            [
+              -97.5064074984716,
+              35.31203990958996
+            ],
+            [
+              -97.50640746744357,
+              35.31206568128668
+            ],
+            [
+              -97.50634059361145,
+              35.31206594408061
+            ],
+            [
+              -97.50634110743958,
+              35.31203800042664
+            ],
+            [
+              -97.50623751955344,
+              35.31203599464347
+            ],
+            [
+              -97.50623727569666,
+              35.31193990645255
+            ],
+            [
+              -97.50633653041197,
+              35.31193885744788
+            ],
+            [
+              -97.50633097932203,
+              35.31187632590885
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "db7db70a-7c6c-438d-a71b-34a0b0facca5",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.50553321612092,
+              35.31216680713815
+            ],
+            [
+              -97.50541205818496,
+              35.31216530943322
+            ],
+            [
+              -97.50541283958526,
+              35.31205349226625
+            ],
+            [
+              -97.5053837483491,
+              35.31205357831992
+            ],
+            [
+              -97.5053856160337,
+              35.31198324980851
+            ],
+            [
+              -97.5054154545149,
+              35.31198333426681
+            ],
+            [
+              -97.50541420927115,
+              35.3118982897606
+            ],
+            [
+              -97.50553836855097,
+              35.31190008750384
+            ],
+            [
+              -97.50553799465895,
+              35.31192041015432
+            ],
+            [
+              -97.50556592984958,
+              35.3119210226972
+            ],
+            [
+              -97.50556607327925,
+              35.31191322652902
+            ],
+            [
+              -97.50566198118543,
+              35.31191362224627
+            ],
+            [
+              -97.50565823690852,
+              35.31207386828548
+            ],
+            [
+              -97.50553224526621,
+              35.31207138441062
+            ],
+            [
+              -97.50553321612092,
+              35.31216680713815
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "aba60d58-ca9b-4da9-9936-b3e033c1b20f",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.50560894500319,
+              35.31238115932165
+            ],
+            [
+              -97.50561179010805,
+              35.31246722240228
+            ],
+            [
+              -97.50546482630693,
+              35.31246395382112
+            ],
+            [
+              -97.50546504048944,
+              35.31238010647875
+            ],
+            [
+              -97.50560894500319,
+              35.31238115932165
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "a175329e-a470-4dd9-9f06-43bb7ccacfa8",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.50562186180338,
+              35.31247268712168
+            ],
+            [
+              -97.50561791535965,
+              35.31237998362449
+            ],
+            [
+              -97.5057847539433,
+              35.31237417005332
+            ],
+            [
+              -97.50578983070596,
+              35.31246688751715
+            ],
+            [
+              -97.50562186180338,
+              35.31247268712168
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "f0053ad8-ab7b-453e-a6db-e2ff7317c71e",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.50293239873064,
+              35.3114957407932
+            ],
+            [
+              -97.50303921151458,
+              35.31149613680955
+            ],
+            [
+              -97.50303781170777,
+              35.31157209632661
+            ],
+            [
+              -97.50299317218777,
+              35.31157154360744
+            ],
+            [
+              -97.5029938003994,
+              35.31162946056864
+            ],
+            [
+              -97.50292721013865,
+              35.31163323817317
+            ],
+            [
+              -97.50292988783991,
+              35.31167766083161
+            ],
+            [
+              -97.5029279677968,
+              35.31171808777018
+            ],
+            [
+              -97.50291228833542,
+              35.31174004519808
+            ],
+            [
+              -97.50277716053486,
+              35.31174029809797
+            ],
+            [
+              -97.50277431080262,
+              35.31170366454361
+            ],
+            [
+              -97.50273086409108,
+              35.311702163386
+            ],
+            [
+              -97.5027309140045,
+              35.31163570926201
+            ],
+            [
+              -97.50272035932564,
+              35.31163461543809
+            ],
+            [
+              -97.50271571039298,
+              35.31156810312164
+            ],
+            [
+              -97.5027729553529,
+              35.31157122710741
+            ],
+            [
+              -97.50277037124023,
+              35.31154324511721
+            ],
+            [
+              -97.50274911986878,
+              35.31154298194135
+            ],
+            [
+              -97.5027446437667,
+              35.31149562361639
+            ],
+            [
+              -97.50285786306546,
+              35.31149291491383
+            ],
+            [
+              -97.50285724647676,
+              35.3115539708235
+            ],
+            [
+              -97.50292676956121,
+              35.31155410574397
+            ],
+            [
+              -97.50293239873064,
+              35.3114957407932
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "eaceae68-04b0-4d09-b3be-59464e605535",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.50292741509278,
+              35.31187061882383
+            ],
+            [
+              -97.50309020297937,
+              35.31188884902365
+            ],
+            [
+              -97.50307987319947,
+              35.31195867541756
+            ],
+            [
+              -97.50305619189554,
+              35.31195560256782
+            ],
+            [
+              -97.50305273497183,
+              35.31198984200017
+            ],
+            [
+              -97.50307530323592,
+              35.3119919745228
+            ],
+            [
+              -97.5030647689104,
+              35.312050375689
+            ],
+            [
+              -97.50304621396863,
+              35.31204796802841
+            ],
+            [
+              -97.5030409774455,
+              35.31207664591463
+            ],
+            [
+              -97.50293533721157,
+              35.31206401850891
+            ],
+            [
+              -97.5029292723881,
+              35.31209337373059
+            ],
+            [
+              -97.50287874637486,
+              35.31208746571019
+            ],
+            [
+              -97.5028819804186,
+              35.31206184855559
+            ],
+            [
+              -97.50285625025815,
+              35.31205926606516
+            ],
+            [
+              -97.50286770981522,
+              35.31198696410647
+            ],
+            [
+              -97.50278476959997,
+              35.31197805601026
+            ],
+            [
+              -97.50279596443393,
+              35.31187945300041
+            ],
+            [
+              -97.50292555800567,
+              35.31189288312549
+            ],
+            [
+              -97.50292741509278,
+              35.31187061882383
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "fd7dff68-af01-413c-a030-1257ed1300bb",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.50432293523535,
+              35.31530808282742
+            ],
+            [
+              -97.50424322547761,
+              35.31530782263912
+            ],
+            [
+              -97.50424232995455,
+              35.3152602602963
+            ],
+            [
+              -97.50432338798669,
+              35.31525944820466
+            ],
+            [
+              -97.50432293523535,
+              35.31530808282742
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "a5b5cbc8-3796-4e7a-b38d-623d1394a10e",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false
+      }
+    }
+  ]
+}

data/source_assets/xbd_damage/moore-tornado_00000037/building_damage_xy.geojson

@@ -0,0 +1,647 @@
+{
+  "type": "FeatureCollection",
+  "coordinate_system": "image_pixel_xy",
+  "gsd_m_per_px": 1.72984850406647,
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              47.40306733054989,
+              863.8624628253261
+            ],
+            [
+              74.6557078012247,
+              863.8069084165735
+            ],
+            [
+              74.62237447049294,
+              866.8069084146395
+            ],
+            [
+              77.15929671632611,
+              866.82993861553
+            ],
+            [
+              77.38061794814975,
+              872.8389795981685
+            ],
+            [
+              84.21580285148333,
+              872.9209275729676
+            ],
+            [
+              85.63258506356739,
+              902.7631855364173
+            ],
+            [
+              84.11812477841676,
+              902.7344728960718
+            ],
+            [
+              84.52235583401017,
+              915.5296167516807
+            ],
+            [
+              62.19130295337153,
+              916.083933666
+            ],
+            [
+              62.0983871247537,
+              906.3491864386092
+            ],
+            [
+              48.73531013970612,
+              906.1215125674908
+            ],
+            [
+              48.59671492826721,
+              898.8163595553153
+            ],
+            [
+              33.45584592600488,
+              898.6481574101829
+            ],
+            [
+              33.82812176141903,
+              877.8627566057501
+            ],
+            [
+              47.7264196118515,
+              877.5525267447379
+            ],
+            [
+              47.40306733054989,
+              863.8624628253261
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "8a6fd243-1b64-4630-a416-147f28fdc7cc",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false,
+        "area_px2": 2001.5878,
+        "area_m2": 5989.5029,
+        "centroid_x": 62.7369,
+        "centroid_y": 888.8787
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              15.36174406305246,
+              842.4441591803915
+            ],
+            [
+              45.14381088390984,
+              843.0646189044617
+            ],
+            [
+              44.64744310455107,
+              868.3793757034049
+            ],
+            [
+              14.98946822840551,
+              867.7589159783117
+            ],
+            [
+              15.36174406305246,
+              842.4441591803915
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "a3b0caf4-4d73-4905-a982-c636993b7867",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false,
+        "area_px2": 752.6246,
+        "area_m2": 2252.1356,
+        "centroid_x": 30.036,
+        "centroid_y": 855.403
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              185.2506116461609,
+              886.9385667518079
+            ],
+            [
+              184.7483743286451,
+              865.7420004341719
+            ],
+            [
+              202.0146573725458,
+              865.5791109681451
+            ],
+            [
+              202.1911157659353,
+              886.775677284758
+            ],
+            [
+              185.2506116461609,
+              886.9385667518079
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "1d1b2841-2c27-4e7e-bc9a-6f9062f5510d",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false,
+        "area_px2": 362.5885,
+        "area_m2": 1085.001,
+        "centroid_x": 193.5504,
+        "centroid_y": 876.2252
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              269.2344395899945,
+              923.3903235407839
+            ],
+            [
+              246.5045225820625,
+              923.7440965650479
+            ],
+            [
+              246.0214205925396,
+              883.7628333367187
+            ],
+            [
+              253.3514464136377,
+              883.7628333346728
+            ],
+            [
+              253.2630031575717,
+              877.4833620977261
+            ],
+            [
+              266.6179349399019,
+              877.2180323274822
+            ],
+            [
+              266.6179349409248,
+              884.0281631059396
+            ],
+            [
+              287.3136570416925,
+              884.2050496180716
+            ],
+            [
+              287.7152591270717,
+              907.616591117486
+            ],
+            [
+              267.89614381561,
+              908.1709719652872
+            ],
+            [
+              269.2344395899945,
+              923.3903235407839
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "db7db70a-7c6c-438d-a71b-34a0b0facca5",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false,
+        "area_px2": 1422.9681,
+        "area_m2": 4258.0555,
+        "centroid_x": 264.0684,
+        "centroid_y": 899.851
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              427.4950165498854,
+              850.2113146431518
+            ],
+            [
+              451.6978938500304,
+              850.2113146431518
+            ],
+            [
+              451.9527292336866,
+              877.4583763213964
+            ],
+            [
+              457.762453403833,
+              877.349783346091
+            ],
+            [
+              457.6478838320423,
+              894.4912370528239
+            ],
+            [
+              451.6882897176645,
+              894.5605346611006
+            ],
+            [
+              452.249499034244,
+              915.2782235986938
+            ],
+            [
+              427.4460165446822,
+              915.2141558206338
+            ],
+            [
+              427.4460165472396,
+              910.2613334349062
+            ],
+            [
+              421.8645994412259,
+              910.1962196106034
+            ],
+            [
+              421.8645994417374,
+              912.0962196080827
+            ],
+            [
+              402.7085881132934,
+              912.2886432707959
+            ],
+            [
+              402.8676304348093,
+              873.2327693302556
+            ],
+            [
+              428.0395354939289,
+              873.4585263242119
+            ],
+            [
+              427.4950165498854,
+              850.2113146431518
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "aba60d58-ca9b-4da9-9936-b3e033c1b20f",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false,
+        "area_px2": 2628.6429,
+        "area_m2": 7865.8875,
+        "centroid_x": 431.3851,
+        "centroid_y": 886.4875
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              411.583045003991,
+              798.2116092732342
+            ],
+            [
+              410.6986124336127,
+              777.2505574004433
+            ],
+            [
+              440.0617737030146,
+              777.6043304308449
+            ],
+            [
+              440.3271034740258,
+              798.0347227580334
+            ],
+            [
+              411.583045003991,
+              798.2116092732342
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "a175329e-a470-4dd9-9f06-43bb7ccacfa8",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false,
+        "area_px2": 601.2346,
+        "area_m2": 1799.1199,
+        "centroid_x": 425.6048,
+        "centroid_y": 787.7392
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              408.6670463951345,
+              775.9493888819649
+            ],
+            [
+              409.7958313751462,
+              798.5250884862786
+            ],
+            [
+              376.4966744576408,
+              800.4440229563893
+            ],
+            [
+              375.142132480348,
+              777.8683233469608
+            ],
+            [
+              408.6670463951345,
+              775.9493888819649
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "f0053ad8-ab7b-453e-a6db-e2ff7317c71e",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false,
+        "area_px2": 756.6827,
+        "area_m2": 2264.2792,
+        "centroid_x": 392.5231,
+        "centroid_y": 788.1841
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              949.3942009263284,
+              1005.879376327076
+            ],
+            [
+              928.0601647959239,
+              1006.105133326147
+            ],
+            [
+              928.0601647984813,
+              987.5930596468047
+            ],
+            [
+              936.9775661400622,
+              987.5930596468047
+            ],
+            [
+              936.6389306465701,
+              973.4832473915511
+            ],
+            [
+              949.9243671364135,
+              972.3619156710596
+            ],
+            [
+              949.2260697341749,
+              961.5462295142166
+            ],
+            [
+              949.460736022345,
+              951.6902453138977
+            ],
+            [
+              952.5113977992447,
+              946.2929206343294
+            ],
+            [
+              979.4980211973555,
+              945.8235880538978
+            ],
+            [
+              980.2020200657018,
+              954.7409070902843
+            ],
+            [
+              988.8846728118771,
+              954.9755733820346
+            ],
+            [
+              989.1193391036275,
+              971.1675474186934
+            ],
+            [
+              991.2313357142926,
+              971.4022137114666
+            ],
+            [
+              992.4046671661398,
+              987.5941877450565
+            ],
+            [
+              980.9602515293928,
+              987.0057484259735
+            ],
+            [
+              981.5793543315731,
+              993.8158792044308
+            ],
+            [
+              985.8246306572668,
+              993.8158792034078
+            ],
+            [
+              986.8929304036208,
+              1005.341425255793
+            ],
+            [
+              964.2908167798334,
+              1006.343030104648
+            ],
+            [
+              964.1892185531431,
+              991.4646442772964
+            ],
+            [
+              950.3036272339052,
+              991.6415307884055
+            ],
+            [
+              949.3942009263284,
+              1005.879376327076
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "eaceae68-04b0-4d09-b3be-59464e605535",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false,
+        "area_px2": 2611.1732,
+        "area_m2": 7813.6115,
+        "centroid_x": 963.1716,
+        "centroid_y": 977.982
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              949.0096868508132,
+              914.5237531773822
+            ],
+            [
+              916.4308536598589,
+              910.5730057452975
+            ],
+            [
+              918.2369096296678,
+              893.5283525409922
+            ],
+            [
+              922.9778065472514,
+              894.2056235310447
+            ],
+            [
+              923.5421990359785,
+              885.8526146738478
+            ],
+            [
+              919.0270591146531,
+              885.4011006849122
+            ],
+            [
+              920.9160109407209,
+              871.1396339787755
+            ],
+            [
+              924.6306277287398,
+              871.6702935213091
+            ],
+            [
+              925.5709056193298,
+              864.6670095076486
+            ],
+            [
+              946.7156311948794,
+              867.425017189224
+            ],
+            [
+              947.8188342688911,
+              860.2541972136498
+            ],
+            [
+              957.9315291073922,
+              861.5412674638924
+            ],
+            [
+              957.3799275728157,
+              867.792751549359
+            ],
+            [
+              962.5282085801821,
+              868.3443530875154
+            ],
+            [
+              960.5056696122261,
+              885.9956022594185
+            ],
+            [
+              977.1031268351663,
+              887.9158429421508
+            ],
+            [
+              975.2302851381542,
+              911.9746554961035
+            ],
+            [
+              949.2986308871768,
+              909.0933605796707
+            ],
+            [
+              949.0096868508132,
+              914.5237531773822
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "fd7dff68-af01-413c-a030-1257ed1300bb",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false,
+        "area_px2": 2297.0834,
+        "area_m2": 6873.7368,
+        "centroid_x": 945.1434,
+        "centroid_y": 890.497
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              657.6573026384555,
+              81.1797450084481
+            ],
+            [
+              673.5770888686939,
+              81.00285849427023
+            ],
+            [
+              673.9308618975613,
+              92.58892514120843
+            ],
+            [
+              657.7457458975904,
+              93.03114142460717
+            ],
+            [
+              657.6573026384555,
+              81.1797450084481
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "a5b5cbc8-3796-4e7a-b38d-623d1394a10e",
+        "subtype": "no-damage",
+        "damage_score": 0,
+        "is_severe": false,
+        "area_px2": 188.1828,
+        "area_m2": 563.1137,
+        "centroid_x": 665.6984,
+        "centroid_y": 86.9677
+      }
+    }
+  ]
+}

data/source_assets/xbd_damage/moore-tornado_00000037/grid_4x4.geojson

@@ -0,0 +1,1113 @@
+{
+  "type": "FeatureCollection",
+  "coordinate_system": "image_pixel_xy",
+  "grid_type": "grid_4x4",
+  "scene_id": "moore-tornado_00000037",
+  "n_cells": 16,
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              0.0
+            ],
+            [
+              256.0,
+              256.0
+            ],
+            [
+              0.0,
+              256.0
+            ],
+            [
+              0.0,
+              0.0
+            ],
+            [
+              256.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G00",
+        "row": 0,
+        "col": 0,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              0.0
+            ],
+            [
+              512.0,
+              256.0
+            ],
+            [
+              256.0,
+              256.0
+            ],
+            [
+              256.0,
+              0.0
+            ],
+            [
+              512.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G01",
+        "row": 0,
+        "col": 1,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              0.0
+            ],
+            [
+              768.0,
+              256.0
+            ],
+            [
+              512.0,
+              256.0
+            ],
+            [
+              512.0,
+              0.0
+            ],
+            [
+              768.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G02",
+        "row": 0,
+        "col": 2,
+        "building_count": 1,
+        "classified_building_count": 1,
+        "no_damage": 1,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 563.1137,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              0.0
+            ],
+            [
+              1024.0,
+              256.0
+            ],
+            [
+              768.0,
+              256.0
+            ],
+            [
+              768.0,
+              0.0
+            ],
+            [
+              1024.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G03",
+        "row": 0,
+        "col": 3,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              256.0
+            ],
+            [
+              256.0,
+              512.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              0.0,
+              256.0
+            ],
+            [
+              256.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G10",
+        "row": 1,
+        "col": 0,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              256.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              256.0,
+              512.0
+            ],
+            [
+              256.0,
+              256.0
+            ],
+            [
+              512.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G11",
+        "row": 1,
+        "col": 1,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              256.0
+            ],
+            [
+              768.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              256.0
+            ],
+            [
+              768.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G12",
+        "row": 1,
+        "col": 2,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              256.0
+            ],
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              768.0,
+              512.0
+            ],
+            [
+              768.0,
+              256.0
+            ],
+            [
+              1024.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G13",
+        "row": 1,
+        "col": 3,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              512.0
+            ],
+            [
+              256.0,
+              768.0
+            ],
+            [
+              0.0,
+              768.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              256.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G20",
+        "row": 2,
+        "col": 0,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              768.0
+            ],
+            [
+              256.0,
+              768.0
+            ],
+            [
+              256.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G21",
+        "row": 2,
+        "col": 1,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              512.0
+            ],
+            [
+              768.0,
+              768.0
+            ],
+            [
+              512.0,
+              768.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              768.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G22",
+        "row": 2,
+        "col": 2,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              1024.0,
+              768.0
+            ],
+            [
+              768.0,
+              768.0
+            ],
+            [
+              768.0,
+              512.0
+            ],
+            [
+              1024.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G23",
+        "row": 2,
+        "col": 3,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              768.0
+            ],
+            [
+              256.0,
+              1024.0
+            ],
+            [
+              0.0,
+              1024.0
+            ],
+            [
+              0.0,
+              768.0
+            ],
+            [
+              256.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G30",
+        "row": 3,
+        "col": 0,
+        "building_count": 3,
+        "classified_building_count": 3,
+        "no_damage": 3,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 10540.2893,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              768.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              256.0,
+              1024.0
+            ],
+            [
+              256.0,
+              768.0
+            ],
+            [
+              512.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G31",
+        "row": 3,
+        "col": 1,
+        "building_count": 4,
+        "classified_building_count": 4,
+        "no_damage": 4,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 14973.6922,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              768.0
+            ],
+            [
+              768.0,
+              1024.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              512.0,
+              768.0
+            ],
+            [
+              768.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G32",
+        "row": 3,
+        "col": 2,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              768.0
+            ],
+            [
+              1024.0,
+              1024.0
+            ],
+            [
+              768.0,
+              1024.0
+            ],
+            [
+              768.0,
+              768.0
+            ],
+            [
+              1024.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G33",
+        "row": 3,
+        "col": 3,
+        "building_count": 2,
+        "classified_building_count": 2,
+        "no_damage": 2,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 14687.3483,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    }
+  ],
+  "summary": {
+    "highest_severity_score_cell": "G00",
+    "highest_severity_score": 0.0,
+    "most_severe_buildings_cell": "G00",
+    "most_severe_count": 0,
+    "most_severe_area_m2": 0.0,
+    "most_buildings_cell": "G31",
+    "most_buildings_count": 4,
+    "empty_cell_count": 12,
+    "empty_cell_ids": [
+      "G00",
+      "G01",
+      "G03",
+      "G10",
+      "G11",
+      "G12",
+      "G13",
+      "G20",
+      "G21",
+      "G22",
+      "G23",
+      "G32"
+    ],
+    "cell_breakdown": [
+      {
+        "cell_id": "G00",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G01",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G02",
+        "building_count": 1,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 563.1137,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 1,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G03",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G10",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G11",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G12",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G13",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G20",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G21",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G22",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G23",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G30",
+        "building_count": 3,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 9326.6395,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 3,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G31",
+        "building_count": 4,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 16187.3421,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 4,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G32",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G33",
+        "building_count": 2,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 14687.3483,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 2,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      }
+    ]
+  },
+  "aggregation_contract": {
+    "count_assignment": "building_centroid",
+    "area_assignment": "polygon_cell_intersection",
+    "severity_formula": "(minor + 2*major + 3*destroyed) / (3*classified_buildings)",
+    "unclassified_policy": "excluded_from_severity_denominator"
+  }
+}

data/source_assets/xbd_damage/moore-tornado_00000037/quadrants.geojson

@@ -0,0 +1,298 @@
+{
+  "type": "FeatureCollection",
+  "coordinate_system": "image_pixel_xy",
+  "grid_type": "quadrant_2x2",
+  "scene_id": "moore-tornado_00000037",
+  "n_cells": 4,
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              0.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              0.0,
+              0.0
+            ],
+            [
+              512.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q0",
+        "row": 0,
+        "col": 0,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              0.0
+            ],
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              0.0
+            ],
+            [
+              1024.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q1",
+        "row": 0,
+        "col": 1,
+        "building_count": 1,
+        "classified_building_count": 1,
+        "no_damage": 1,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 563.1137,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              0.0,
+              1024.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q2",
+        "row": 1,
+        "col": 0,
+        "building_count": 7,
+        "classified_building_count": 7,
+        "no_damage": 7,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 25513.9815,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              1024.0,
+              1024.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              1024.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q3",
+        "row": 1,
+        "col": 1,
+        "building_count": 2,
+        "classified_building_count": 2,
+        "no_damage": 2,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 14687.3483,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    }
+  ],
+  "summary": {
+    "highest_severity_score_cell": "Q0",
+    "highest_severity_score": 0.0,
+    "most_severe_buildings_cell": "Q0",
+    "most_severe_count": 0,
+    "most_severe_area_m2": 0.0,
+    "most_buildings_cell": "Q2",
+    "most_buildings_count": 7,
+    "empty_cell_count": 1,
+    "empty_cell_ids": [
+      "Q0"
+    ],
+    "cell_breakdown": [
+      {
+        "cell_id": "Q0",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "Q1",
+        "building_count": 1,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 563.1137,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 1,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "Q2",
+        "building_count": 7,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 25513.9816,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 7,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "Q3",
+        "building_count": 2,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 14687.3483,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 2,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      }
+    ]
+  },
+  "aggregation_contract": {
+    "count_assignment": "building_centroid",
+    "area_assignment": "polygon_cell_intersection",
+    "severity_formula": "(minor + 2*major + 3*destroyed) / (3*classified_buildings)",
+    "unclassified_policy": "excluded_from_severity_denominator"
+  }
+}

data/source_assets/xbd_damage/moore-tornado_00000056/grid_4x4.geojson

@@ -0,0 +1,1100 @@
+{
+  "type": "FeatureCollection",
+  "coordinate_system": "image_pixel_xy",
+  "grid_type": "grid_4x4",
+  "scene_id": "moore-tornado_00000056",
+  "n_cells": 16,
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              0.0
+            ],
+            [
+              256.0,
+              256.0
+            ],
+            [
+              0.0,
+              256.0
+            ],
+            [
+              0.0,
+              0.0
+            ],
+            [
+              256.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G00",
+        "row": 0,
+        "col": 0,
+        "building_count": 10,
+        "classified_building_count": 10,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 4,
+        "destroyed": 6,
+        "unclassified": 0,
+        "severe_count": 10,
+        "severe_pct": 100.0,
+        "severe_area_m2": 29458.5658,
+        "total_area_m2": 29458.5658,
+        "severity_score": 0.866667,
+        "dominant_damage": "destroyed",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              0.0
+            ],
+            [
+              512.0,
+              256.0
+            ],
+            [
+              256.0,
+              256.0
+            ],
+            [
+              256.0,
+              0.0
+            ],
+            [
+              512.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G01",
+        "row": 0,
+        "col": 1,
+        "building_count": 15,
+        "classified_building_count": 15,
+        "no_damage": 0,
+        "minor_damage": 1,
+        "major_damage": 1,
+        "destroyed": 13,
+        "unclassified": 0,
+        "severe_count": 14,
+        "severe_pct": 93.3333,
+        "severe_area_m2": 46770.0794,
+        "total_area_m2": 49084.8532,
+        "severity_score": 0.933333,
+        "dominant_damage": "destroyed",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              0.0
+            ],
+            [
+              768.0,
+              256.0
+            ],
+            [
+              512.0,
+              256.0
+            ],
+            [
+              512.0,
+              0.0
+            ],
+            [
+              768.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G02",
+        "row": 0,
+        "col": 2,
+        "building_count": 13,
+        "classified_building_count": 13,
+        "no_damage": 1,
+        "minor_damage": 1,
+        "major_damage": 1,
+        "destroyed": 10,
+        "unclassified": 0,
+        "severe_count": 11,
+        "severe_pct": 84.6154,
+        "severe_area_m2": 38860.2338,
+        "total_area_m2": 46661.556,
+        "severity_score": 0.846154,
+        "dominant_damage": "destroyed",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              0.0
+            ],
+            [
+              1024.0,
+              256.0
+            ],
+            [
+              768.0,
+              256.0
+            ],
+            [
+              768.0,
+              0.0
+            ],
+            [
+              1024.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G03",
+        "row": 0,
+        "col": 3,
+        "building_count": 21,
+        "classified_building_count": 21,
+        "no_damage": 3,
+        "minor_damage": 1,
+        "major_damage": 4,
+        "destroyed": 13,
+        "unclassified": 0,
+        "severe_count": 17,
+        "severe_pct": 80.9524,
+        "severe_area_m2": 33805.6802,
+        "total_area_m2": 47389.1382,
+        "severity_score": 0.761905,
+        "dominant_damage": "destroyed",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              256.0
+            ],
+            [
+              256.0,
+              512.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              0.0,
+              256.0
+            ],
+            [
+              256.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G10",
+        "row": 1,
+        "col": 0,
+        "building_count": 20,
+        "classified_building_count": 20,
+        "no_damage": 11,
+        "minor_damage": 3,
+        "major_damage": 1,
+        "destroyed": 5,
+        "unclassified": 0,
+        "severe_count": 6,
+        "severe_pct": 30.0,
+        "severe_area_m2": 14206.8994,
+        "total_area_m2": 54313.1115,
+        "severity_score": 0.333333,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              256.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              256.0,
+              512.0
+            ],
+            [
+              256.0,
+              256.0
+            ],
+            [
+              512.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G11",
+        "row": 1,
+        "col": 1,
+        "building_count": 18,
+        "classified_building_count": 18,
+        "no_damage": 10,
+        "minor_damage": 7,
+        "major_damage": 1,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 1,
+        "severe_pct": 5.5556,
+        "severe_area_m2": 3102.6222,
+        "total_area_m2": 51387.9008,
+        "severity_score": 0.166667,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              256.0
+            ],
+            [
+              768.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              256.0
+            ],
+            [
+              768.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G12",
+        "row": 1,
+        "col": 2,
+        "building_count": 13,
+        "classified_building_count": 13,
+        "no_damage": 8,
+        "minor_damage": 5,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 40109.3471,
+        "severity_score": 0.128205,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              256.0
+            ],
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              768.0,
+              512.0
+            ],
+            [
+              768.0,
+              256.0
+            ],
+            [
+              1024.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G13",
+        "row": 1,
+        "col": 3,
+        "building_count": 14,
+        "classified_building_count": 14,
+        "no_damage": 7,
+        "minor_damage": 7,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 1409.7721,
+        "total_area_m2": 36710.0141,
+        "severity_score": 0.166667,
+        "dominant_damage": "minor-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              512.0
+            ],
+            [
+              256.0,
+              768.0
+            ],
+            [
+              0.0,
+              768.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              256.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G20",
+        "row": 2,
+        "col": 0,
+        "building_count": 23,
+        "classified_building_count": 23,
+        "no_damage": 18,
+        "minor_damage": 5,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 50191.0182,
+        "severity_score": 0.072464,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              768.0
+            ],
+            [
+              256.0,
+              768.0
+            ],
+            [
+              256.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G21",
+        "row": 2,
+        "col": 1,
+        "building_count": 23,
+        "classified_building_count": 23,
+        "no_damage": 20,
+        "minor_damage": 3,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 52524.5869,
+        "severity_score": 0.043478,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              512.0
+            ],
+            [
+              768.0,
+              768.0
+            ],
+            [
+              512.0,
+              768.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              768.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G22",
+        "row": 2,
+        "col": 2,
+        "building_count": 17,
+        "classified_building_count": 17,
+        "no_damage": 16,
+        "minor_damage": 1,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 44110.4827,
+        "severity_score": 0.019608,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              1024.0,
+              768.0
+            ],
+            [
+              768.0,
+              768.0
+            ],
+            [
+              768.0,
+              512.0
+            ],
+            [
+              1024.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G23",
+        "row": 2,
+        "col": 3,
+        "building_count": 16,
+        "classified_building_count": 16,
+        "no_damage": 13,
+        "minor_damage": 3,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 34646.3677,
+        "severity_score": 0.0625,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              768.0
+            ],
+            [
+              256.0,
+              1024.0
+            ],
+            [
+              0.0,
+              1024.0
+            ],
+            [
+              0.0,
+              768.0
+            ],
+            [
+              256.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G30",
+        "row": 3,
+        "col": 0,
+        "building_count": 16,
+        "classified_building_count": 16,
+        "no_damage": 16,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 41860.6896,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              768.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              256.0,
+              1024.0
+            ],
+            [
+              256.0,
+              768.0
+            ],
+            [
+              512.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G31",
+        "row": 3,
+        "col": 1,
+        "building_count": 15,
+        "classified_building_count": 15,
+        "no_damage": 15,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 35522.4235,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              768.0
+            ],
+            [
+              768.0,
+              1024.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              512.0,
+              768.0
+            ],
+            [
+              768.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G32",
+        "row": 3,
+        "col": 2,
+        "building_count": 18,
+        "classified_building_count": 18,
+        "no_damage": 18,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 39868.5506,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              768.0
+            ],
+            [
+              1024.0,
+              1024.0
+            ],
+            [
+              768.0,
+              1024.0
+            ],
+            [
+              768.0,
+              768.0
+            ],
+            [
+              1024.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G33",
+        "row": 3,
+        "col": 3,
+        "building_count": 19,
+        "classified_building_count": 19,
+        "no_damage": 19,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 39469.8854,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    }
+  ],
+  "summary": {
+    "highest_severity_score_cell": "G01",
+    "highest_severity_score": 0.9333,
+    "most_severe_buildings_cell": "G03",
+    "most_severe_count": 17,
+    "most_severe_area_m2": 35215.4525,
+    "most_buildings_cell": "G20",
+    "most_buildings_count": 23,
+    "empty_cell_count": 0,
+    "empty_cell_ids": [],
+    "cell_breakdown": [
+      {
+        "cell_id": "G00",
+        "building_count": 10,
+        "severe_count": 10,
+        "severe_area_m2": 26577.6532,
+        "total_area_m2": 26577.6532,
+        "severity_score": 0.868,
+        "dominant_damage": "destroyed",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 4,
+          "destroyed": 6,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G01",
+        "building_count": 15,
+        "severe_count": 14,
+        "severe_area_m2": 51567.9908,
+        "total_area_m2": 54969.501,
+        "severity_score": 0.9333,
+        "dominant_damage": "destroyed",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 1,
+          "major_damage": 1,
+          "destroyed": 13,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G02",
+        "building_count": 13,
+        "severe_count": 11,
+        "severe_area_m2": 35122.9241,
+        "total_area_m2": 40779.6159,
+        "severity_score": 0.8462,
+        "dominant_damage": "destroyed",
+        "subtype_histogram": {
+          "no_damage": 1,
+          "minor_damage": 1,
+          "major_damage": 1,
+          "destroyed": 10,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G03",
+        "building_count": 21,
+        "severe_count": 17,
+        "severe_area_m2": 35215.4525,
+        "total_area_m2": 48252.4876,
+        "severity_score": 0.7624,
+        "dominant_damage": "destroyed",
+        "subtype_histogram": {
+          "no_damage": 3,
+          "minor_damage": 1,
+          "major_damage": 4,
+          "destroyed": 13,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G10",
+        "building_count": 20,
+        "severe_count": 6,
+        "severe_area_m2": 15659.5454,
+        "total_area_m2": 55765.7576,
+        "severity_score": 0.333,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 11,
+          "minor_damage": 3,
+          "major_damage": 1,
+          "destroyed": 5,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G11",
+        "building_count": 18,
+        "severe_count": 1,
+        "severe_area_m2": 3470.2867,
+        "total_area_m2": 53395.7886,
+        "severity_score": 0.1656,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 10,
+          "minor_damage": 7,
+          "major_damage": 1,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G12",
+        "building_count": 13,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 41692.1491,
+        "severity_score": 0.1269,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 8,
+          "minor_damage": 5,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G13",
+        "building_count": 14,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 35788.7355,
+        "severity_score": 0.165,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 7,
+          "minor_damage": 7,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G20",
+        "building_count": 23,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 57702.2184,
+        "severity_score": 0.0717,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 18,
+          "minor_damage": 5,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G21",
+        "building_count": 23,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 54423.0469,
+        "severity_score": 0.043,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 20,
+          "minor_damage": 3,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G22",
+        "building_count": 17,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 41001.9505,
+        "severity_score": 0.0194,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 16,
+          "minor_damage": 1,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G23",
+        "building_count": 16,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 32980.8437,
+        "severity_score": 0.0619,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 13,
+          "minor_damage": 3,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G30",
+        "building_count": 16,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 37496.4473,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 16,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G31",
+        "building_count": 15,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 31051.7681,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 15,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G32",
+        "building_count": 18,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 41091.7665,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 18,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G33",
+        "building_count": 19,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 40338.7614,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 19,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      }
+    ]
+  },
+  "aggregation_contract": {
+    "count_assignment": "building_centroid",
+    "area_assignment": "polygon_cell_intersection",
+    "severity_formula": "(minor + 2*major + 3*destroyed) / (3*classified_buildings)",
+    "unclassified_policy": "excluded_from_severity_denominator"
+  }
+}

data/source_assets/xbd_damage/moore-tornado_00000056/quadrants.geojson

@@ -0,0 +1,296 @@
+{
+  "type": "FeatureCollection",
+  "coordinate_system": "image_pixel_xy",
+  "grid_type": "quadrant_2x2",
+  "scene_id": "moore-tornado_00000056",
+  "n_cells": 4,
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              0.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              0.0,
+              0.0
+            ],
+            [
+              512.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q0",
+        "row": 0,
+        "col": 0,
+        "building_count": 63,
+        "classified_building_count": 63,
+        "no_damage": 21,
+        "minor_damage": 11,
+        "major_damage": 7,
+        "destroyed": 24,
+        "unclassified": 0,
+        "severe_count": 31,
+        "severe_pct": 49.2063,
+        "severe_area_m2": 93538.1668,
+        "total_area_m2": 184244.4313,
+        "severity_score": 0.513228,
+        "dominant_damage": "destroyed",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              0.0
+            ],
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              0.0
+            ],
+            [
+              1024.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q1",
+        "row": 0,
+        "col": 1,
+        "building_count": 61,
+        "classified_building_count": 61,
+        "no_damage": 19,
+        "minor_damage": 14,
+        "major_damage": 5,
+        "destroyed": 23,
+        "unclassified": 0,
+        "severe_count": 28,
+        "severe_pct": 45.9016,
+        "severe_area_m2": 74075.6862,
+        "total_area_m2": 170870.0555,
+        "severity_score": 0.508197,
+        "dominant_damage": "destroyed",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              0.0,
+              1024.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q2",
+        "row": 1,
+        "col": 0,
+        "building_count": 77,
+        "classified_building_count": 77,
+        "no_damage": 69,
+        "minor_damage": 8,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 180098.7182,
+        "severity_score": 0.034632,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              1024.0,
+              1024.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              1024.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q3",
+        "row": 1,
+        "col": 1,
+        "building_count": 70,
+        "classified_building_count": 70,
+        "no_damage": 66,
+        "minor_damage": 4,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 158095.2865,
+        "severity_score": 0.019048,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    }
+  ],
+  "summary": {
+    "highest_severity_score_cell": "Q0",
+    "highest_severity_score": 0.513,
+    "most_severe_buildings_cell": "Q0",
+    "most_severe_count": 31,
+    "most_severe_area_m2": 97275.4761,
+    "most_buildings_cell": "Q2",
+    "most_buildings_count": 77,
+    "empty_cell_count": 0,
+    "empty_cell_ids": [],
+    "cell_breakdown": [
+      {
+        "cell_id": "Q0",
+        "building_count": 63,
+        "severe_count": 31,
+        "severe_area_m2": 97275.4761,
+        "total_area_m2": 190708.7004,
+        "severity_score": 0.513,
+        "dominant_damage": "destroyed",
+        "subtype_histogram": {
+          "no_damage": 21,
+          "minor_damage": 11,
+          "major_damage": 7,
+          "destroyed": 24,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "Q1",
+        "building_count": 61,
+        "severe_count": 28,
+        "severe_area_m2": 70338.3766,
+        "total_area_m2": 166512.9881,
+        "severity_score": 0.5077,
+        "dominant_damage": "destroyed",
+        "subtype_histogram": {
+          "no_damage": 19,
+          "minor_damage": 14,
+          "major_damage": 5,
+          "destroyed": 23,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "Q2",
+        "building_count": 77,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 180673.4807,
+        "severity_score": 0.0343,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 69,
+          "minor_damage": 8,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "Q3",
+        "building_count": 70,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 155413.3221,
+        "severity_score": 0.0189,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 66,
+          "minor_damage": 4,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      }
+    ]
+  },
+  "aggregation_contract": {
+    "count_assignment": "building_centroid",
+    "area_assignment": "polygon_cell_intersection",
+    "severity_formula": "(minor + 2*major + 3*destroyed) / (3*classified_buildings)",
+    "unclassified_policy": "excluded_from_severity_denominator"
+  }
+}

data/source_assets/xbd_damage/moore-tornado_00000098/grid_4x4.geojson

@@ -0,0 +1,1105 @@
+{
+  "type": "FeatureCollection",
+  "coordinate_system": "image_pixel_xy",
+  "grid_type": "grid_4x4",
+  "scene_id": "moore-tornado_00000098",
+  "n_cells": 16,
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              0.0
+            ],
+            [
+              256.0,
+              256.0
+            ],
+            [
+              0.0,
+              256.0
+            ],
+            [
+              0.0,
+              0.0
+            ],
+            [
+              256.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G00",
+        "row": 0,
+        "col": 0,
+        "building_count": 9,
+        "classified_building_count": 9,
+        "no_damage": 9,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 18817.0437,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              0.0
+            ],
+            [
+              512.0,
+              256.0
+            ],
+            [
+              256.0,
+              256.0
+            ],
+            [
+              256.0,
+              0.0
+            ],
+            [
+              512.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G01",
+        "row": 0,
+        "col": 1,
+        "building_count": 13,
+        "classified_building_count": 13,
+        "no_damage": 13,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 48093.1422,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              0.0
+            ],
+            [
+              768.0,
+              256.0
+            ],
+            [
+              512.0,
+              256.0
+            ],
+            [
+              512.0,
+              0.0
+            ],
+            [
+              768.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G02",
+        "row": 0,
+        "col": 2,
+        "building_count": 21,
+        "classified_building_count": 21,
+        "no_damage": 21,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 59288.2446,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              0.0
+            ],
+            [
+              1024.0,
+              256.0
+            ],
+            [
+              768.0,
+              256.0
+            ],
+            [
+              768.0,
+              0.0
+            ],
+            [
+              1024.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G03",
+        "row": 0,
+        "col": 3,
+        "building_count": 12,
+        "classified_building_count": 12,
+        "no_damage": 12,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 40989.7565,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              256.0
+            ],
+            [
+              256.0,
+              512.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              0.0,
+              256.0
+            ],
+            [
+              256.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G10",
+        "row": 1,
+        "col": 0,
+        "building_count": 12,
+        "classified_building_count": 12,
+        "no_damage": 12,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 23317.1229,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              256.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              256.0,
+              512.0
+            ],
+            [
+              256.0,
+              256.0
+            ],
+            [
+              512.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G11",
+        "row": 1,
+        "col": 1,
+        "building_count": 6,
+        "classified_building_count": 6,
+        "no_damage": 6,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 24326.1769,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              256.0
+            ],
+            [
+              768.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              256.0
+            ],
+            [
+              768.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G12",
+        "row": 1,
+        "col": 2,
+        "building_count": 13,
+        "classified_building_count": 13,
+        "no_damage": 13,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 45321.9699,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              256.0
+            ],
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              768.0,
+              512.0
+            ],
+            [
+              768.0,
+              256.0
+            ],
+            [
+              1024.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G13",
+        "row": 1,
+        "col": 3,
+        "building_count": 4,
+        "classified_building_count": 4,
+        "no_damage": 4,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 15308.7006,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              512.0
+            ],
+            [
+              256.0,
+              768.0
+            ],
+            [
+              0.0,
+              768.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              256.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G20",
+        "row": 2,
+        "col": 0,
+        "building_count": 14,
+        "classified_building_count": 14,
+        "no_damage": 14,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 32526.661,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              768.0
+            ],
+            [
+              256.0,
+              768.0
+            ],
+            [
+              256.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G21",
+        "row": 2,
+        "col": 1,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              512.0
+            ],
+            [
+              768.0,
+              768.0
+            ],
+            [
+              512.0,
+              768.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              768.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G22",
+        "row": 2,
+        "col": 2,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              1024.0,
+              768.0
+            ],
+            [
+              768.0,
+              768.0
+            ],
+            [
+              768.0,
+              512.0
+            ],
+            [
+              1024.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G23",
+        "row": 2,
+        "col": 3,
+        "building_count": 3,
+        "classified_building_count": 3,
+        "no_damage": 3,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 10044.8357,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              768.0
+            ],
+            [
+              256.0,
+              1024.0
+            ],
+            [
+              0.0,
+              1024.0
+            ],
+            [
+              0.0,
+              768.0
+            ],
+            [
+              256.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G30",
+        "row": 3,
+        "col": 0,
+        "building_count": 25,
+        "classified_building_count": 25,
+        "no_damage": 25,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 48617.1729,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              768.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              256.0,
+              1024.0
+            ],
+            [
+              256.0,
+              768.0
+            ],
+            [
+              512.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G31",
+        "row": 3,
+        "col": 1,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              768.0
+            ],
+            [
+              768.0,
+              1024.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              512.0,
+              768.0
+            ],
+            [
+              768.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G32",
+        "row": 3,
+        "col": 2,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              768.0
+            ],
+            [
+              1024.0,
+              1024.0
+            ],
+            [
+              768.0,
+              1024.0
+            ],
+            [
+              768.0,
+              768.0
+            ],
+            [
+              1024.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G33",
+        "row": 3,
+        "col": 3,
+        "building_count": 3,
+        "classified_building_count": 3,
+        "no_damage": 3,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 5912.2344,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    }
+  ],
+  "summary": {
+    "highest_severity_score_cell": "G00",
+    "highest_severity_score": 0.0,
+    "most_severe_buildings_cell": "G00",
+    "most_severe_count": 0,
+    "most_severe_area_m2": 0.0,
+    "most_buildings_cell": "G30",
+    "most_buildings_count": 25,
+    "empty_cell_count": 4,
+    "empty_cell_ids": [
+      "G21",
+      "G22",
+      "G31",
+      "G32"
+    ],
+    "cell_breakdown": [
+      {
+        "cell_id": "G00",
+        "building_count": 9,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 19298.7698,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 9,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G01",
+        "building_count": 13,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 45628.4403,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 13,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G02",
+        "building_count": 21,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 65283.0351,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 21,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G03",
+        "building_count": 12,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 38648.7902,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 12,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G10",
+        "building_count": 12,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 23981.6641,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 12,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G11",
+        "building_count": 6,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 20776.554,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 6,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G12",
+        "building_count": 13,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 48589.9809,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 13,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G13",
+        "building_count": 4,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 12759.9019,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 4,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G20",
+        "building_count": 14,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 28739.2119,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 14,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G21",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G22",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G23",
+        "building_count": 3,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 11686.1238,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 3,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G30",
+        "building_count": 25,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 51258.3551,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 25,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G31",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G32",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G33",
+        "building_count": 3,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 5912.2345,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 3,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      }
+    ]
+  },
+  "aggregation_contract": {
+    "count_assignment": "building_centroid",
+    "area_assignment": "polygon_cell_intersection",
+    "severity_formula": "(minor + 2*major + 3*destroyed) / (3*classified_buildings)",
+    "unclassified_policy": "excluded_from_severity_denominator"
+  }
+}

data/source_assets/xbd_damage/moore-tornado_00000098/quadrants.geojson

@@ -0,0 +1,296 @@
+{
+  "type": "FeatureCollection",
+  "coordinate_system": "image_pixel_xy",
+  "grid_type": "quadrant_2x2",
+  "scene_id": "moore-tornado_00000098",
+  "n_cells": 4,
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              0.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              0.0,
+              0.0
+            ],
+            [
+              512.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q0",
+        "row": 0,
+        "col": 0,
+        "building_count": 40,
+        "classified_building_count": 40,
+        "no_damage": 40,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 114553.4857,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              0.0
+            ],
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              0.0
+            ],
+            [
+              1024.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q1",
+        "row": 0,
+        "col": 1,
+        "building_count": 50,
+        "classified_building_count": 50,
+        "no_damage": 50,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 160908.6715,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              0.0,
+              1024.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q2",
+        "row": 1,
+        "col": 0,
+        "building_count": 39,
+        "classified_building_count": 39,
+        "no_damage": 39,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 81143.8339,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              1024.0,
+              1024.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              1024.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q3",
+        "row": 1,
+        "col": 1,
+        "building_count": 6,
+        "classified_building_count": 6,
+        "no_damage": 6,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 15957.0702,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    }
+  ],
+  "summary": {
+    "highest_severity_score_cell": "Q0",
+    "highest_severity_score": 0.0,
+    "most_severe_buildings_cell": "Q0",
+    "most_severe_count": 0,
+    "most_severe_area_m2": 0.0,
+    "most_buildings_cell": "Q1",
+    "most_buildings_count": 50,
+    "empty_cell_count": 0,
+    "empty_cell_ids": [],
+    "cell_breakdown": [
+      {
+        "cell_id": "Q0",
+        "building_count": 40,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 109685.4282,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 40,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "Q1",
+        "building_count": 50,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 165281.7081,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 50,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "Q2",
+        "building_count": 39,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 79997.567,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 39,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "Q3",
+        "building_count": 6,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 17598.3583,
+        "severity_score": 0.0,
+        "dominant_damage": "no-damage",
+        "subtype_histogram": {
+          "no_damage": 6,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      }
+    ]
+  },
+  "aggregation_contract": {
+    "count_assignment": "building_centroid",
+    "area_assignment": "polygon_cell_intersection",
+    "severity_formula": "(minor + 2*major + 3*destroyed) / (3*classified_buildings)",
+    "unclassified_policy": "excluded_from_severity_denominator"
+  }
+}

data/source_assets/xbd_damage/moore-tornado_00000120/building_damage_lnglat.geojson

@@ -0,0 +1,1163 @@
+{
+  "type": "FeatureCollection",
+  "coordinate_system": "EPSG:4326",
+  "note": "Visualization only. Compute area from xy GeoJSON.",
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.53950649663324,
+              35.3188021085188
+            ],
+            [
+              -97.5395020433572,
+              35.3189953244953
+            ],
+            [
+              -97.5392604461395,
+              35.31899080161813
+            ],
+            [
+              -97.53926102057547,
+              35.31901326313771
+            ],
+            [
+              -97.53919749244861,
+              35.31900928771359
+            ],
+            [
+              -97.53919611285501,
+              35.31897719307397
+            ],
+            [
+              -97.53918145363431,
+              35.31897621398867
+            ],
+            [
+              -97.53918111246223,
+              35.31888639155152
+            ],
+            [
+              -97.5391997134784,
+              35.3188858143689
+            ],
+            [
+              -97.53919752870964,
+              35.31884408660838
+            ],
+            [
+              -97.53924153514593,
+              35.31884542030152
+            ],
+            [
+              -97.5392418956906,
+              35.31882537592662
+            ],
+            [
+              -97.53935153079773,
+              35.31882269086615
+            ],
+            [
+              -97.5393502497217,
+              35.31883951632255
+            ],
+            [
+              -97.53940892977998,
+              35.31884102724404
+            ],
+            [
+              -97.53941062902705,
+              35.31880095031001
+            ],
+            [
+              -97.53950649663324,
+              35.3188021085188
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "3e22b1b5-1f27-42b1-9406-79baff52090e",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.54021475170286,
+              35.31883248482323
+            ],
+            [
+              -97.54021625927415,
+              35.31891921509455
+            ],
+            [
+              -97.54019479787078,
+              35.3189189559444
+            ],
+            [
+              -97.54019108686597,
+              35.31899745467089
+            ],
+            [
+              -97.53992035606032,
+              35.3190086202988
+            ],
+            [
+              -97.53991345666843,
+              35.3188481471059
+            ],
+            [
+              -97.54012104569242,
+              35.3188394268094
+            ],
+            [
+              -97.54012221130428,
+              35.31882901554347
+            ],
+            [
+              -97.54020442682915,
+              35.31882760248963
+            ],
+            [
+              -97.54021475170286,
+              35.31883248482323
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "6f55c927-7108-45be-bef3-692eda901c89",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.54030763442917,
+              35.31863528410812
+            ],
+            [
+              -97.54031262478648,
+              35.31868426327678
+            ],
+            [
+              -97.54031905282994,
+              35.31876212998209
+            ],
+            [
+              -97.54020070011194,
+              35.31875989895923
+            ],
+            [
+              -97.54019411544338,
+              35.31863631924235
+            ],
+            [
+              -97.54030763442917,
+              35.31863528410812
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "34d34d99-fcfe-4051-98f6-7328991412e6",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.54035114202789,
+              35.31868611764386
+            ],
+            [
+              -97.54035358744267,
+              35.31871716379383
+            ],
+            [
+              -97.54032295030827,
+              35.31871728620708
+            ],
+            [
+              -97.54032053144668,
+              35.31868476339513
+            ],
+            [
+              -97.54035114202789,
+              35.31868611764386
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "55dd2da7-cacd-41eb-b836-f317f29cb431",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.54082719096638,
+              35.31861583642273
+            ],
+            [
+              -97.54083118762202,
+              35.31872013809289
+            ],
+            [
+              -97.54077147173282,
+              35.31872182315777
+            ],
+            [
+              -97.5407713132599,
+              35.3187306426889
+            ],
+            [
+              -97.54074582137699,
+              35.3187335427852
+            ],
+            [
+              -97.54074464143979,
+              35.31874475583481
+            ],
+            [
+              -97.54064189734756,
+              35.31874511949842
+            ],
+            [
+              -97.54064363771047,
+              35.31875716974876
+            ],
+            [
+              -97.54053014736522,
+              35.31875660164359
+            ],
+            [
+              -97.54052868393481,
+              35.31862025257362
+            ],
+            [
+              -97.54054432135268,
+              35.31862124330406
+            ],
+            [
+              -97.54054367451631,
+              35.31860279065812
+            ],
+            [
+              -97.54065923638655,
+              35.31859696815855
+            ],
+            [
+              -97.54065939487086,
+              35.31858814862765
+            ],
+            [
+              -97.54076806582445,
+              35.31858464868902
+            ],
+            [
+              -97.54077246719605,
+              35.31861196809747
+            ],
+            [
+              -97.54082719096638,
+              35.31861583642273
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "bac36a16-fe4d-4370-8620-3d0d49e69ba3",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.54153137438216,
+              35.31859628451735
+            ],
+            [
+              -97.54153554473204,
+              35.31869096487635
+            ],
+            [
+              -97.54146410438085,
+              35.31869170688844
+            ],
+            [
+              -97.54146358598864,
+              35.31872057081752
+            ],
+            [
+              -97.54140389890176,
+              35.3187206526436
+            ],
+            [
+              -97.54140467553724,
+              35.31873188930728
+            ],
+            [
+              -97.54121184687466,
+              35.31873597822896
+            ],
+            [
+              -97.54119937794661,
+              35.31855859692567
+            ],
+            [
+              -97.54131381747881,
+              35.31856077975083
+            ],
+            [
+              -97.54131460850225,
+              35.31857121463927
+            ],
+            [
+              -97.54138711338733,
+              35.31856567386097
+            ],
+            [
+              -97.5413866669726,
+              35.31859052891068
+            ],
+            [
+              -97.54141018791383,
+              35.31858840684815
+            ],
+            [
+              -97.54140578730733,
+              35.31850655489995
+            ],
+            [
+              -97.54153399410933,
+              35.31850489387172
+            ],
+            [
+              -97.54153137438216,
+              35.31859628451735
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "f565b909-94ad-4b2b-9a63-f2c1eb35fe42",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.54148362929513,
+              35.3180362986085
+            ],
+            [
+              -97.54148555425522,
+              35.31820724858735
+            ],
+            [
+              -97.54132321214077,
+              35.31820733693284
+            ],
+            [
+              -97.54132374514909,
+              35.31817766147343
+            ],
+            [
+              -97.5413662126051,
+              35.31817715035676
+            ],
+            [
+              -97.54137247602641,
+              35.31803700457957
+            ],
+            [
+              -97.54148362929513,
+              35.3180362986085
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "47a0b37d-909c-4489-8ebf-ee475308f63d",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.54147568527301,
+              35.3177737559031
+            ],
+            [
+              -97.54147318072735,
+              35.31785873234978
+            ],
+            [
+              -97.54134309048906,
+              35.31785636085306
+            ],
+            [
+              -97.54134369631392,
+              35.31776815370294
+            ],
+            [
+              -97.54147568527301,
+              35.3177737559031
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "1efe1096-f4c2-4d63-a39a-86fa8c1fe1e5",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.54179870438549,
+              35.31739513619944
+            ],
+            [
+              -97.54176494790603,
+              35.31741938855971
+            ],
+            [
+              -97.54180258044794,
+              35.31745380606134
+            ],
+            [
+              -97.5417089657243,
+              35.31751929773946
+            ],
+            [
+              -97.54173089850647,
+              35.31754046296753
+            ],
+            [
+              -97.54170992598168,
+              35.31755457919515
+            ],
+            [
+              -97.54179630871063,
+              35.3176418522937
+            ],
+            [
+              -97.5417201651936,
+              35.31769094971497
+            ],
+            [
+              -97.54163212057018,
+              35.31760986224967
+            ],
+            [
+              -97.54161767539533,
+              35.31762135836481
+            ],
+            [
+              -97.54147573982937,
+              35.31748293601574
+            ],
+            [
+              -97.54172468608854,
+              35.31732588835344
+            ],
+            [
+              -97.54179870438549,
+              35.31739513619944
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "871d3c52-702c-41e3-9bc9-5466476f1c0a",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.54290099426724,
+              35.31737123511834
+            ],
+            [
+              -97.54290066346609,
+              35.31744420856943
+            ],
+            [
+              -97.54293976373883,
+              35.31744628372487
+            ],
+            [
+              -97.5429369155158,
+              35.31755050287929
+            ],
+            [
+              -97.54290267755957,
+              35.31755009022596
+            ],
+            [
+              -97.54290198703167,
+              35.31753404290621
+            ],
+            [
+              -97.54280806284513,
+              35.31753371278375
+            ],
+            [
+              -97.54280730040652,
+              35.31752167434608
+            ],
+            [
+              -97.54274568649775,
+              35.31752012972119
+            ],
+            [
+              -97.54274839099477,
+              35.31753299351841
+            ],
+            [
+              -97.54272003679768,
+              35.31753184978588
+            ],
+            [
+              -97.54271914496375,
+              35.31747249474766
+            ],
+            [
+              -97.54272315871117,
+              35.31735786430173
+            ],
+            [
+              -97.54288755804542,
+              35.31735663807792
+            ],
+            [
+              -97.54290099426724,
+              35.31737123511834
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "ff573b52-e812-4d1c-98c9-77a38157b14e",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.54310480205957,
+              35.31774419587427
+            ],
+            [
+              -97.54310129222262,
+              35.31783076416055
+            ],
+            [
+              -97.54297899899554,
+              35.31783009228683
+            ],
+            [
+              -97.5429746831253,
+              35.31774342968982
+            ],
+            [
+              -97.54310480205957,
+              35.31774419587427
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "addb6bb7-4074-4adc-ba6f-850efe8f10a3",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.54307975924435,
+              35.31835605851839
+            ],
+            [
+              -97.54308219082611,
+              35.3184932212319
+            ],
+            [
+              -97.5429265933316,
+              35.31849455377795
+            ],
+            [
+              -97.54292506832402,
+              35.31836141173984
+            ],
+            [
+              -97.54298874004343,
+              35.31835736743332
+            ],
+            [
+              -97.54307975924435,
+              35.31835605851839
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "a216ce3e-3915-458c-9f0d-738b0c1769d3",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.542819388065,
+              35.31884437179993
+            ],
+            [
+              -97.54281924412189,
+              35.31896145471732
+            ],
+            [
+              -97.54271749233321,
+              35.31896103015399
+            ],
+            [
+              -97.54271910362841,
+              35.31892576379227
+            ],
+            [
+              -97.54265845251402,
+              35.31892503266591
+            ],
+            [
+              -97.54266361244314,
+              35.31901343474523
+            ],
+            [
+              -97.54243867757985,
+              35.31902198162972
+            ],
+            [
+              -97.54243550176321,
+              35.3189206155019
+            ],
+            [
+              -97.54246676971772,
+              35.31891792194618
+            ],
+            [
+              -97.5424682206041,
+              35.31883708186957
+            ],
+            [
+              -97.54280669619604,
+              35.31883399760962
+            ],
+            [
+              -97.542819388065,
+              35.31884437179993
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "b9b01509-b94a-407b-b071-d9ea9d0061c3",
+        "subtype": "major-damage",
+        "damage_score": 2,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.53870302020864,
+              35.32005340863731
+            ],
+            [
+              -97.53865147622997,
+              35.32008035589426
+            ],
+            [
+              -97.53866676316943,
+              35.32009875678908
+            ],
+            [
+              -97.53862437820315,
+              35.32011744518705
+            ],
+            [
+              -97.53865141070492,
+              35.32015075788263
+            ],
+            [
+              -97.5384960396516,
+              35.32023332857794
+            ],
+            [
+              -97.53840237831086,
+              35.32010949802623
+            ],
+            [
+              -97.53865408445915,
+              35.31998743690971
+            ],
+            [
+              -97.53870302020864,
+              35.32005340863731
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "552c0e14-5c6c-4dee-b233-f4999b583471",
+        "subtype": "major-damage",
+        "damage_score": 2,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.5394163027574,
+              35.32021248012332
+            ],
+            [
+              -97.53931040490741,
+              35.32025169563791
+            ],
+            [
+              -97.53924661873693,
+              35.32025353748819
+            ],
+            [
+              -97.53924630556115,
+              35.32027094753897
+            ],
+            [
+              -97.5392384748576,
+              35.32027085302242
+            ],
+            [
+              -97.53908377838135,
+              35.32026855150574
+            ],
+            [
+              -97.53906991119092,
+              35.32015343035874
+            ],
+            [
+              -97.53912823965942,
+              35.32010057731712
+            ],
+            [
+              -97.53923031613388,
+              35.32009658563047
+            ],
+            [
+              -97.53923108736075,
+              35.32014231511955
+            ],
+            [
+              -97.5393203690834,
+              35.32014078133359
+            ],
+            [
+              -97.53940896959439,
+              35.32017712167862
+            ],
+            [
+              -97.5394163027574,
+              35.32021248012332
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "761aad91-c255-46c0-b042-a4c526e53fc0",
+        "subtype": "minor-damage",
+        "damage_score": 1,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.54006796989448,
+              35.32002740329213
+            ],
+            [
+              -97.54007387896623,
+              35.32011549676905
+            ],
+            [
+              -97.53992772721206,
+              35.32011782573998
+            ],
+            [
+              -97.5399287733601,
+              35.32012909701744
+            ],
+            [
+              -97.53983878709883,
+              35.32013312772693
+            ],
+            [
+              -97.53983796175872,
+              35.32010957696061
+            ],
+            [
+              -97.53977803226624,
+              35.32010885309403
+            ],
+            [
+              -97.53977445497247,
+              35.32002999938825
+            ],
+            [
+              -97.53989310211081,
+              35.32002938543133
+            ],
+            [
+              -97.53989359887981,
+              35.3200017565813
+            ],
+            [
+              -97.53997600182814,
+              35.32000275180883
+            ],
+            [
+              -97.53997423815932,
+              35.32003138887185
+            ],
+            [
+              -97.54006796989448,
+              35.32002740329213
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "e5264bc3-3835-4d84-9e76-d68742f333cd",
+        "subtype": "minor-damage",
+        "damage_score": 1,
+        "is_severe": false
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.54053358749233,
+              35.32002341185334
+            ],
+            [
+              -97.54053546875335,
+              35.32013650941016
+            ],
+            [
+              -97.54036236043184,
+              35.32013201356742
+            ],
+            [
+              -97.54036086336288,
+              35.32016086566389
+            ],
+            [
+              -97.54027182750725,
+              35.32016059255525
+            ],
+            [
+              -97.54026694369739,
+              35.3200885170103
+            ],
+            [
+              -97.54026408102689,
+              35.32003935381949
+            ],
+            [
+              -97.54037767889287,
+              35.32004174895658
+            ],
+            [
+              -97.54037560486627,
+              35.32001818311518
+            ],
+            [
+              -97.54053358749233,
+              35.32002341185334
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "d41078eb-ecfb-464b-ab23-932f537405af",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.54085057815013,
+              35.32029031109799
+            ],
+            [
+              -97.5408468788739,
+              35.32014145985319
+            ],
+            [
+              -97.5411432893791,
+              35.3201437308867
+            ],
+            [
+              -97.54114764686744,
+              35.32028398791587
+            ],
+            [
+              -97.5411652150069,
+              35.32029410876267
+            ],
+            [
+              -97.54107780702006,
+              35.32029305374888
+            ],
+            [
+              -97.54107482586043,
+              35.32025383660386
+            ],
+            [
+              -97.54102809170266,
+              35.320251174185
+            ],
+            [
+              -97.54103264069514,
+              35.32029250859165
+            ],
+            [
+              -97.54085057815013,
+              35.32029031109799
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "cb7da060-c0ad-4e94-be60-ee9eba675ebc",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.54154968478781,
+              35.320291168749
+            ],
+            [
+              -97.54143630791954,
+              35.32028739863767
+            ],
+            [
+              -97.54143658019655,
+              35.32029738413865
+            ],
+            [
+              -97.54136356550862,
+              35.32029650285185
+            ],
+            [
+              -97.54136489331994,
+              35.3202499816436
+            ],
+            [
+              -97.54132090832586,
+              35.32025131958873
+            ],
+            [
+              -97.54132451930472,
+              35.32013902213638
+            ],
+            [
+              -97.5414583949928,
+              35.32013933112749
+            ],
+            [
+              -97.5414571064558,
+              35.32012233379827
+            ],
+            [
+              -97.54154153737034,
+              35.32012465871806
+            ],
+            [
+              -97.54154968478781,
+              35.320291168749
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "cbd596f6-0f44-4214-83ad-0d8278f407c1",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              -97.543445365981,
+              35.31879043010714
+            ],
+            [
+              -97.54340018236059,
+              35.31879191682047
+            ],
+            [
+              -97.54340111885823,
+              35.31880932783675
+            ],
+            [
+              -97.54333742633607,
+              35.31880958392085
+            ],
+            [
+              -97.54334045524385,
+              35.31871033958939
+            ],
+            [
+              -97.54342032327834,
+              35.31871334893624
+            ],
+            [
+              -97.54342135154768,
+              35.31872564348981
+            ],
+            [
+              -97.54344654058791,
+              35.31872493765347
+            ],
+            [
+              -97.543445365981,
+              35.31879043010714
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "00120adb-0bc7-4caa-bfdf-14065f063908",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true
+      }
+    }
+  ]
+}

data/source_assets/xbd_damage/moore-tornado_00000120/building_damage_xy.geojson

@@ -0,0 +1,1243 @@
+{
+  "type": "FeatureCollection",
+  "coordinate_system": "image_pixel_xy",
+  "gsd_m_per_px": 1.72984850406647,
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              786.6218592358488,
+              358.6585094737745
+            ],
+            [
+              786.8172566424981,
+              311.5677336373259
+            ],
+            [
+              835.0804169400939,
+              311.9585284572737
+            ],
+            [
+              834.8850195293527,
+              306.4874009759581
+            ],
+            [
+              847.5858511894278,
+              307.2689906158538
+            ],
+            [
+              847.9766460065628,
+              315.0848870199252
+            ],
+            [
+              850.9076071600091,
+              315.2802844288762
+            ],
+            [
+              851.298401982003,
+              337.1647943582304
+            ],
+            [
+              847.5858511878934,
+              337.3601917712732
+            ],
+            [
+              848.1720434170483,
+              347.5208570981005
+            ],
+            [
+              839.3791599615682,
+              347.3254596901725
+            ],
+            [
+              839.3791599615682,
+              352.2103949415663
+            ],
+            [
+              817.4946500301568,
+              353.18738198939
+            ],
+            [
+              817.6900474398751,
+              349.0840363778918
+            ],
+            [
+              805.9662028332503,
+              348.888638966895
+            ],
+            [
+              805.7708054235321,
+              358.6585094717286
+            ],
+            [
+              786.6218592358488,
+              358.6585094737745
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "3e22b1b5-1f27-42b1-9406-79baff52090e",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true,
+        "area_px2": 2662.5499,
+        "area_m2": 7967.35,
+        "centroid_x": 817.4215,
+        "centroid_y": 331.9568
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              645.0741019403846,
+              353.3415144352921
+            ],
+            [
+              644.4617060035542,
+              332.2138546871574
+            ],
+            [
+              648.7484775475568,
+              332.2138546881803
+            ],
+            [
+              649.2077744980697,
+              313.076481729181
+            ],
+            [
+              703.2325637732288,
+              309.5593283455586
+            ],
+            [
+              705.1865378742476,
+              348.6388103689848
+            ],
+            [
+              663.7622869308573,
+              351.3743741116885
+            ],
+            [
+              663.5668895198603,
+              353.9145404413494
+            ],
+            [
+              647.1535070738591,
+              354.5007326702482
+            ],
+            [
+              645.0741019403846,
+              353.3415144352921
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "6f55c927-7108-45be-bef3-692eda901c89",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true,
+        "area_px2": 2293.0231,
+        "area_m2": 6861.5869,
+        "centroid_x": 675.1001,
+        "centroid_y": 331.8353
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              627.2332462226897,
+              401.6633330480198
+            ],
+            [
+              626.0608617615668,
+              389.7440910334731
+            ],
+            [
+              624.4976824802402,
+              370.7905422516818
+            ],
+            [
+              648.1407691016735,
+              370.9859396616557
+            ],
+            [
+              649.8993457927185,
+              401.0771408170751
+            ],
+            [
+              627.2332462226897,
+              401.6633330480198
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "34d34d99-fcfe-4051-98f6-7328991412e6",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true,
+        "area_px2": 708.0318,
+        "area_m2": 2118.6971,
+        "centroid_x": 637.3563,
+        "centroid_y": 386.0323
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              618.3622923684671,
+              389.4055823169895
+            ],
+            [
+              617.7625070672119,
+              381.8482875514055
+            ],
+            [
+              623.8803171191984,
+              381.728330493047
+            ],
+            [
+              624.4801024150831,
+              389.6454964388213
+            ],
+            [
+              618.3622923684671,
+              389.4055823169895
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "55dd2da7-cacd-41eb-b836-f317f29cb431",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true,
+        "area_px2": 47.2989,
+        "area_m2": 141.5362,
+        "centroid_x": 621.1448,
+        "centroid_y": 385.6542
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              523.5472534488912,
+              407.930050396717
+            ],
+            [
+              522.3748689903258,
+              382.5283870837405
+            ],
+            [
+              534.294111002577,
+              381.9421948527958
+            ],
+            [
+              534.294111002577,
+              379.7928233430827
+            ],
+            [
+              539.3744436659933,
+              379.0112337011411
+            ],
+            [
+              539.5698410749444,
+              376.2756699615063
+            ],
+            [
+              560.0865691416524,
+              375.8848751384896
+            ],
+            [
+              559.6957743176125,
+              372.9539139888808
+            ],
+            [
+              582.361873890966,
+              372.7585165778839
+            ],
+            [
+              583.1434635308619,
+              405.9760762959548
+            ],
+            [
+              580.0171049697433,
+              405.780678884958
+            ],
+            [
+              580.2125023794615,
+              410.2748193194728
+            ],
+            [
+              557.1556079889732,
+              412.0333960071922
+            ],
+            [
+              557.1556079864158,
+              414.1827675199742
+            ],
+            [
+              535.4664954672801,
+              415.3551519828865
+            ],
+            [
+              534.4895084140854,
+              408.7116400407045
+            ],
+            [
+              523.5472534488912,
+              407.930050396717
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "bac36a16-fe4d-4370-8620-3d0d49e69ba3",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true,
+        "area_px2": 2116.5929,
+        "area_m2": 6333.6413,
+        "centroid_x": 554.3245,
+        "centroid_y": 393.9377
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              382.9914736335605,
+              414.7643550937719
+            ],
+            [
+              381.8190891729492,
+              391.7074606994595
+            ],
+            [
+              396.0831001110263,
+              391.3166658836035
+            ],
+            [
+              396.0831001128165,
+              384.2823591194277
+            ],
+            [
+              408.002342129671,
+              384.0869617084308
+            ],
+            [
+              407.806944719697,
+              381.3513979647042
+            ],
+            [
+              446.3002345091295,
+              379.7882186869588
+            ],
+            [
+              449.4265930720384,
+              422.9710463188142
+            ],
+            [
+              426.565096087688,
+              422.7756489108862
+            ],
+            [
+              426.3696986774582,
+              420.2354825750875
+            ],
+            [
+              411.9102903294071,
+              421.7986618579478
+            ],
+            [
+              411.9102903317088,
+              415.7413421456874
+            ],
+            [
+              407.220752488752,
+              416.3275343735633
+            ],
+            [
+              408.3931369498748,
+              436.258070209316
+            ],
+            [
+              382.7960762228194,
+              437.0396598461428
+            ],
+            [
+              382.9914736335605,
+              414.7643550937719
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "f565b909-94ad-4b2b-9a63-f2c1eb35fe42",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true,
+        "area_px2": 2862.0412,
+        "area_m2": 8564.3028,
+        "centroid_x": 414.4357,
+        "centroid_y": 405.9611
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              394.5345959927824,
+              551.0662453519147
+            ],
+            [
+              393.5370675458079,
+              509.4194326660111
+            ],
+            [
+              425.9567420894836,
+              508.9206684449537
+            ],
+            [
+              425.9567420905065,
+              516.1527496876244
+            ],
+            [
+              417.4777502864927,
+              516.4021317976417
+            ],
+            [
+              416.7296039518373,
+              550.5674811267655
+            ],
+            [
+              394.5345959927824,
+              551.0662453519147
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "47a0b37d-909c-4489-8ebf-ee475308f63d",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true,
+        "area_px2": 1023.8265,
+        "area_m2": 3063.6738,
+        "centroid_x": 406.5676,
+        "centroid_y": 528.7176
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              397.0626411459103,
+              615.0122030770589
+            ],
+            [
+              397.2580385546056,
+              594.3000776085712
+            ],
+            [
+              423.2458941023763,
+              594.4954750134303
+            ],
+            [
+              423.4412915108159,
+              615.9891901269285
+            ],
+            [
+              397.0626411459103,
+              615.0122030770589
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "1efe1096-f4c2-4d63-a39a-86fa8c1fe1e5",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true,
+        "area_px2": 552.5431,
+        "area_m2": 1653.4166,
+        "centroid_x": 410.3319,
+        "centroid_y": 604.9773
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              333.91244736387,
+              708.2134343411838
+            ],
+            [
+              340.5667772089096,
+              702.2050679340628
+            ],
+            [
+              332.9280142184696,
+              693.9297413558263
+            ],
+            [
+              351.3883581196839,
+              677.6973699923586
+            ],
+            [
+              346.9324130365353,
+              672.6048613308744
+            ],
+            [
+              351.0700763264229,
+              669.1037616272549
+            ],
+            [
+              333.5062301821179,
+              648.0932913938287
+            ],
+            [
+              348.536265918453,
+              635.9067759346235
+            ],
+            [
+              366.4098219285871,
+              655.4052006689426
+            ],
+            [
+              369.2533422026418,
+              652.5616803969353
+            ],
+            [
+              398.0947621323573,
+              685.8714893266737
+            ],
+            [
+              348.9424831002051,
+              724.8683388034956
+            ],
+            [
+              333.91244736387,
+              708.2134343411838
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "871d3c52-702c-41e3-9bc9-5466476f1c0a",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true,
+        "area_px2": 2869.463,
+        "area_m2": 8586.5116,
+        "centroid_x": 360.7495,
+        "centroid_y": 682.1799
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              113.8667810850179,
+              717.2752793101855
+            ],
+            [
+              113.6713836770898,
+              699.4941149933525
+            ],
+            [
+              105.8554872740372,
+              699.1033201703358
+            ],
+            [
+              106.0508846829883,
+              673.7016568542905
+            ],
+            [
+              112.889794035915,
+              673.7016568563364
+            ],
+            [
+              113.0851914464005,
+              677.6096050588835
+            ],
+            [
+              131.8433428200178,
+              677.4142076489096
+            ],
+            [
+              132.0387402271787,
+              680.3451688026103
+            ],
+            [
+              144.3487770624468,
+              680.5405662115612
+            ],
+            [
+              143.7625848350821,
+              677.4142076519785
+            ],
+            [
+              149.4291097291876,
+              677.6096050568376
+            ],
+            [
+              149.8199045473455,
+              692.0690134051371
+            ],
+            [
+              149.4291097261188,
+              720.0108430518663
+            ],
+            [
+              116.6023448290017,
+              720.7924326938079
+            ],
+            [
+              113.8667810850179,
+              717.2752793101855
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "ff573b52-e812-4d1c-98c9-77a38157b14e",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true,
+        "area_px2": 1695.3131,
+        "area_m2": 5073.014,
+        "centroid_x": 129.0211,
+        "centroid_y": 697.8895
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              71.82950067088427,
+              627.0007831913945
+            ],
+            [
+              72.22029549057658,
+              605.897862900913
+            ],
+            [
+              96.64497175420759,
+              605.7024654888932
+            ],
+            [
+              97.81735621712056,
+              626.8053857824435
+            ],
+            [
+              71.82950067088427,
+              627.0007831913945
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "addb6bb7-4074-4adc-ba6f-850efe8f10a3",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true,
+        "area_px2": 532.0022,
+        "area_m2": 1591.9505,
+        "centroid_x": 84.6313,
+        "centroid_y": 616.4607
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              74.63858654976568,
+              477.8451327349768
+            ],
+            [
+              73.66159949887263,
+              444.4321756048861
+            ],
+            [
+              104.729787707758,
+              443.6505859649904
+            ],
+            [
+              105.5113773481655,
+              476.0865560421427
+            ],
+            [
+              92.8105456888576,
+              477.2589405040321
+            ],
+            [
+              74.63858654976568,
+              477.8451327349768
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "a216ce3e-3915-458c-9f0d-738b0c1769d3",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true,
+        "area_px2": 1027.7332,
+        "area_m2": 3075.3641,
+        "centroid_x": 89.5674,
+        "centroid_y": 460.6035
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              124.8852913376224,
+              358.1015574256989
+            ],
+            [
+              124.4944965181858,
+              329.5735355531397
+            ],
+            [
+              144.8158271685264,
+              329.3781381421429
+            ],
+            [
+              144.6204297572737,
+              337.975624184064
+            ],
+            [
+              156.7350691887055,
+              337.9756241871329
+            ],
+            [
+              155.3878287113884,
+              316.4513511157168
+            ],
+            [
+              200.2766088510674,
+              313.708147885068
+            ],
+            [
+              201.2741372970189,
+              338.3969769609069
+            ],
+            [
+              195.0395845008074,
+              339.1451233011882
+            ],
+            [
+              195.0395845005517,
+              358.846310136787
+            ],
+            [
+              127.4570321799928,
+              360.591984921229
+            ],
+            [
+              124.8852913376224,
+              358.1015574256989
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "b9b01509-b94a-407b-b071-d9ea9d0061c3",
+        "subtype": "major-damage",
+        "damage_score": 2,
+        "is_severe": true,
+        "area_px2": 2728.7431,
+        "area_m2": 8165.425,
+        "centroid_x": 165.274,
+        "centroid_y": 339.4747
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              942.5798374995175,
+              51.4095926628635
+            ],
+            [
+              952.776187581473,
+              44.69199731397287
+            ],
+            [
+              949.6573040245103,
+              40.25358610253688
+            ],
+            [
+              958.054298210628,
+              35.57526077131498
+            ],
+            [
+              952.5362734588738,
+              27.53813776922809
+            ],
+            [
+              983.2666409972816,
+              6.96188307675263
+            ],
+            [
+              1002.415587186499,
+              36.85768682117513
+            ],
+            [
+              952.5892476109016,
+              67.33968279756529
+            ],
+            [
+              942.5798374995175,
+              51.4095926628635
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "552c0e14-5c6c-4dee-b233-f4999b583471",
+        "subtype": "major-damage",
+        "damage_score": 2,
+        "is_severe": true,
+        "area_px2": 1738.8318,
+        "area_m2": 5203.2384,
+        "centroid_x": 971.9282,
+        "centroid_y": 37.1633
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              799.5679654659102,
+              14.75159140334484
+            ],
+            [
+              820.5745636965892,
+              4.884855871335638
+            ],
+            [
+              833.3058353538866,
+              4.248292290440283
+            ],
+            [
+              833.3058353533751,
+              0.005356747880932166
+            ],
+            [
+              834.86994019458,
+              0.0053312804660303
+            ],
+            [
+              865.7705780770027,
+              0.1106289987647104
+            ],
+            [
+              868.9533959899204,
+              28.11942664511131
+            ],
+            [
+              857.4952515005522,
+              41.16898009284976
+            ],
+            [
+              837.1252168489787,
+              42.44210725873229
+            ],
+            [
+              836.8069350564849,
+              31.30224455981761
+            ],
+            [
+              818.9831547397466,
+              31.93880814275887
+            ],
+            [
+              801.1593744207067,
+              23.34519977560923
+            ],
+            [
+              799.5679654659102,
+              14.75159140334484
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "761aad91-c255-46c0-b042-a4c526e53fc0",
+        "subtype": "minor-damage",
+        "damage_score": 1,
+        "is_severe": false,
+        "area_px2": 2035.7592,
+        "area_m2": 6091.7566,
+        "centroid_x": 839.356,
+        "centroid_y": 19.3511
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              670.0965871373078,
+              61.76407939468546
+            ],
+            [
+              668.6002944664625,
+              40.3172177725987
+            ],
+            [
+              697.7780015553614,
+              39.31968932536904
+            ],
+            [
+              697.5286194427866,
+              36.57648609472028
+            ],
+            [
+              715.4841314988117,
+              35.32957553440452
+            ],
+            [
+              715.7335136121536,
+              41.0653641077652
+            ],
+            [
+              727.7038549817288,
+              41.0653641077652
+            ],
+            [
+              728.7013834281918,
+              60.26778672230655
+            ],
+            [
+              705.0100828003375,
+              60.7665509474558
+            ],
+            [
+              705.0100828011048,
+              67.49986797009205
+            ],
+            [
+              688.5508634159249,
+              67.49986796702319
+            ],
+            [
+              688.8002455279882,
+              60.51716883334675
+            ],
+            [
+              670.0965871373078,
+              61.76407939468546
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "e5264bc3-3835-4d84-9e76-d68742f333cd",
+        "subtype": "minor-damage",
+        "damage_score": 1,
+        "is_severe": false,
+        "area_px2": 1399.1519,
+        "area_m2": 4186.7883,
+        "centroid_x": 698.5942,
+        "centroid_y": 50.8706
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              577.1283705200162,
+              64.10645302605201
+            ],
+            [
+              576.3467808819103,
+              36.55541820029356
+            ],
+            [
+              610.932122469305,
+              37.14161043226122
+            ],
+            [
+              611.1275198820922,
+              30.10730366808543
+            ],
+            [
+              628.9086841989345,
+              29.9119062540197
+            ],
+            [
+              630.1426928536719,
+              47.4589674438863
+            ],
+            [
+              630.8908391867928,
+              59.42930881268806
+            ],
+            [
+              608.1970670066803,
+              59.17992669857901
+            ],
+            [
+              608.6958312310626,
+              64.91571527705445
+            ],
+            [
+              577.1283705200162,
+              64.10645302605201
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "d41078eb-ecfb-464b-ab23-932f537405af",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true,
+        "area_px2": 1488.371,
+        "area_m2": 4453.7654,
+        "centroid_x": 603.6535,
+        "centroid_y": 48.401
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.8685205697524,
+              0.007967493436654625
+            ],
+            [
+              514.1413680293377,
+              36.26515234361717
+            ],
+            [
+              454.9409548262552,
+              36.58343413150747
+            ],
+            [
+              453.567605118559,
+              2.422191023062242
+            ],
+            [
+              450.0229997561779,
+              0.007870953357366837
+            ],
+            [
+              467.4818576727546,
+              0.007917792287055409
+            ],
+            [
+              468.2178838814475,
+              9.554529739834495
+            ],
+            [
+              477.5600906234781,
+              10.06581472552383
+            ],
+            [
+              476.5033727704579,
+              0.007935959915937846
+            ],
+            [
+              512.8685205697524,
+              0.007967493436654625
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "cb7da060-c0ad-4e94-be60-ee9eba675ebc",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true,
+        "area_px2": 2074.0669,
+        "area_m2": 6206.3878,
+        "centroid_x": 484.239,
+        "centroid_y": 18.7463
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              373.2562604750216,
+              1.854508977984855
+            ],
+            [
+              395.9107514104705,
+              2.439824849977247
+            ],
+            [
+              395.8205626306661,
+              0.007627398697422054
+            ],
+            [
+              410.4045034163114,
+              0.007707531648351428
+            ],
+            [
+              410.3062145255171,
+              11.34664596445373
+            ],
+            [
+              419.085070985157,
+              10.89133974384171
+            ],
+            [
+              418.7667891939419,
+              38.26357380520115
+            ],
+            [
+              392.031118714487,
+              38.58185559411439
+            ],
+            [
+              392.3494005051905,
+              42.71951888374407
+            ],
+            [
+              375.480465561586,
+              42.40123709176196
+            ],
+            [
+              373.2562604750216,
+              1.854508977984855
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "cbd596f6-0f44-4214-83ad-0d8278f407c1",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true,
+        "area_px2": 1643.6079,
+        "area_m2": 4918.2927,
+        "centroid_x": 395.3084,
+        "centroid_y": 21.2702
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              0.07067371921375075,
+              373.0826348740874
+            ],
+            [
+              9.08852548385153,
+              372.5877490878549
+            ],
+            [
+              8.839143373322678,
+              368.3482531848272
+            ],
+            [
+              21.55763107883195,
+              368.0988710717411
+            ],
+            [
+              21.30824896855884,
+              392.2889359244766
+            ],
+            [
+              5.347793806482652,
+              391.7901717023963
+            ],
+            [
+              5.098411693907895,
+              388.7975863627532
+            ],
+            [
+              0.0706800377329906,
+              389.0435112701745
+            ],
+            [
+              0.07067371921375075,
+              373.0826348740874
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "00120adb-0bc7-4caa-bfdf-14065f063908",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true,
+        "area_px2": 451.6349,
+        "area_m2": 1351.4614,
+        "centroid_x": 11.6446,
+        "centroid_y": 380.6075
+      }
+    }
+  ]
+}

data/source_assets/xbd_damage/moore-tornado_00000120/grid_4x4.geojson

@@ -0,0 +1,1108 @@
+{
+  "type": "FeatureCollection",
+  "coordinate_system": "image_pixel_xy",
+  "grid_type": "grid_4x4",
+  "scene_id": "moore-tornado_00000120",
+  "n_cells": 16,
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              0.0
+            ],
+            [
+              256.0,
+              256.0
+            ],
+            [
+              0.0,
+              256.0
+            ],
+            [
+              0.0,
+              0.0
+            ],
+            [
+              256.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G00",
+        "row": 0,
+        "col": 0,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              0.0
+            ],
+            [
+              512.0,
+              256.0
+            ],
+            [
+              256.0,
+              256.0
+            ],
+            [
+              256.0,
+              0.0
+            ],
+            [
+              512.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G01",
+        "row": 0,
+        "col": 1,
+        "building_count": 2,
+        "classified_building_count": 2,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 2,
+        "unclassified": 0,
+        "severe_count": 2,
+        "severe_pct": 100.0,
+        "severe_area_m2": 10961.3644,
+        "total_area_m2": 10961.3644,
+        "severity_score": 1.0,
+        "dominant_damage": "destroyed",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              0.0
+            ],
+            [
+              768.0,
+              256.0
+            ],
+            [
+              512.0,
+              256.0
+            ],
+            [
+              512.0,
+              0.0
+            ],
+            [
+              768.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G02",
+        "row": 0,
+        "col": 2,
+        "building_count": 2,
+        "classified_building_count": 2,
+        "no_damage": 0,
+        "minor_damage": 1,
+        "major_damage": 0,
+        "destroyed": 1,
+        "unclassified": 0,
+        "severe_count": 1,
+        "severe_pct": 50.0,
+        "severe_area_m2": 4617.0814,
+        "total_area_m2": 8803.8697,
+        "severity_score": 0.666667,
+        "dominant_damage": "destroyed",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              0.0
+            ],
+            [
+              1024.0,
+              256.0
+            ],
+            [
+              768.0,
+              256.0
+            ],
+            [
+              768.0,
+              0.0
+            ],
+            [
+              1024.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G03",
+        "row": 0,
+        "col": 3,
+        "building_count": 2,
+        "classified_building_count": 2,
+        "no_damage": 0,
+        "minor_damage": 1,
+        "major_damage": 1,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 1,
+        "severe_pct": 50.0,
+        "severe_area_m2": 5203.2384,
+        "total_area_m2": 11294.995,
+        "severity_score": 0.5,
+        "dominant_damage": "major-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              256.0
+            ],
+            [
+              256.0,
+              512.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              0.0,
+              256.0
+            ],
+            [
+              256.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G10",
+        "row": 1,
+        "col": 0,
+        "building_count": 3,
+        "classified_building_count": 3,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 1,
+        "destroyed": 2,
+        "unclassified": 0,
+        "severe_count": 3,
+        "severe_pct": 100.0,
+        "severe_area_m2": 12592.2504,
+        "total_area_m2": 12592.2504,
+        "severity_score": 0.888889,
+        "dominant_damage": "destroyed",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              256.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              256.0,
+              512.0
+            ],
+            [
+              256.0,
+              256.0
+            ],
+            [
+              512.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G11",
+        "row": 1,
+        "col": 1,
+        "building_count": 1,
+        "classified_building_count": 1,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 1,
+        "unclassified": 0,
+        "severe_count": 1,
+        "severe_pct": 100.0,
+        "severe_area_m2": 8838.6028,
+        "total_area_m2": 8838.6028,
+        "severity_score": 1.0,
+        "dominant_damage": "destroyed",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              256.0
+            ],
+            [
+              768.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              256.0
+            ],
+            [
+              768.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G12",
+        "row": 1,
+        "col": 2,
+        "building_count": 4,
+        "classified_building_count": 4,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 4,
+        "unclassified": 0,
+        "severe_count": 4,
+        "severe_pct": 100.0,
+        "severe_area_m2": 15455.4615,
+        "total_area_m2": 15455.4615,
+        "severity_score": 1.0,
+        "dominant_damage": "destroyed",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              256.0
+            ],
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              768.0,
+              512.0
+            ],
+            [
+              768.0,
+              256.0
+            ],
+            [
+              1024.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G13",
+        "row": 1,
+        "col": 3,
+        "building_count": 1,
+        "classified_building_count": 1,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 1,
+        "unclassified": 0,
+        "severe_count": 1,
+        "severe_pct": 100.0,
+        "severe_area_m2": 7967.35,
+        "total_area_m2": 7967.35,
+        "severity_score": 1.0,
+        "dominant_damage": "destroyed",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              512.0
+            ],
+            [
+              256.0,
+              768.0
+            ],
+            [
+              0.0,
+              768.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              256.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G20",
+        "row": 2,
+        "col": 0,
+        "building_count": 2,
+        "classified_building_count": 2,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 2,
+        "unclassified": 0,
+        "severe_count": 2,
+        "severe_pct": 100.0,
+        "severe_area_m2": 6664.9645,
+        "total_area_m2": 6664.9645,
+        "severity_score": 1.0,
+        "dominant_damage": "destroyed",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              768.0
+            ],
+            [
+              256.0,
+              768.0
+            ],
+            [
+              256.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G21",
+        "row": 2,
+        "col": 1,
+        "building_count": 3,
+        "classified_building_count": 3,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 3,
+        "unclassified": 0,
+        "severe_count": 3,
+        "severe_pct": 100.0,
+        "severe_area_m2": 13029.3021,
+        "total_area_m2": 13029.3021,
+        "severity_score": 1.0,
+        "dominant_damage": "destroyed",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              512.0
+            ],
+            [
+              768.0,
+              768.0
+            ],
+            [
+              512.0,
+              768.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              768.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G22",
+        "row": 2,
+        "col": 2,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              1024.0,
+              768.0
+            ],
+            [
+              768.0,
+              768.0
+            ],
+            [
+              768.0,
+              512.0
+            ],
+            [
+              1024.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G23",
+        "row": 2,
+        "col": 3,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              768.0
+            ],
+            [
+              256.0,
+              1024.0
+            ],
+            [
+              0.0,
+              1024.0
+            ],
+            [
+              0.0,
+              768.0
+            ],
+            [
+              256.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G30",
+        "row": 3,
+        "col": 0,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              768.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              256.0,
+              1024.0
+            ],
+            [
+              256.0,
+              768.0
+            ],
+            [
+              512.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G31",
+        "row": 3,
+        "col": 1,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              768.0
+            ],
+            [
+              768.0,
+              1024.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              512.0,
+              768.0
+            ],
+            [
+              768.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G32",
+        "row": 3,
+        "col": 2,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              768.0
+            ],
+            [
+              1024.0,
+              1024.0
+            ],
+            [
+              768.0,
+              1024.0
+            ],
+            [
+              768.0,
+              768.0
+            ],
+            [
+              1024.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G33",
+        "row": 3,
+        "col": 3,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    }
+  ],
+  "summary": {
+    "highest_severity_score_cell": "G01",
+    "highest_severity_score": 1.0,
+    "most_severe_buildings_cell": "G12",
+    "most_severe_count": 4,
+    "most_severe_area_m2": 15455.4615,
+    "most_buildings_cell": "G12",
+    "most_buildings_count": 4,
+    "empty_cell_count": 7,
+    "empty_cell_ids": [
+      "G00",
+      "G22",
+      "G23",
+      "G30",
+      "G31",
+      "G32",
+      "G33"
+    ],
+    "cell_breakdown": [
+      {
+        "cell_id": "G00",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G01",
+        "building_count": 2,
+        "severe_count": 2,
+        "severe_area_m2": 11124.6805,
+        "total_area_m2": 11124.6805,
+        "severity_score": 1.0,
+        "dominant_damage": "destroyed",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 2,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G02",
+        "building_count": 2,
+        "severe_count": 1,
+        "severe_area_m2": 4453.7654,
+        "total_area_m2": 8640.5537,
+        "severity_score": 0.665,
+        "dominant_damage": "minor-damage",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 1,
+          "major_damage": 0,
+          "destroyed": 1,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G03",
+        "building_count": 2,
+        "severe_count": 1,
+        "severe_area_m2": 5203.2384,
+        "total_area_m2": 11294.995,
+        "severity_score": 0.5,
+        "dominant_damage": "minor-damage",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 1,
+          "major_damage": 1,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G10",
+        "building_count": 3,
+        "severe_count": 3,
+        "severe_area_m2": 12592.2505,
+        "total_area_m2": 12592.2505,
+        "severity_score": 0.89,
+        "dominant_damage": "destroyed",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 1,
+          "destroyed": 2,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G11",
+        "building_count": 1,
+        "severe_count": 1,
+        "severe_area_m2": 8564.3028,
+        "total_area_m2": 8564.3028,
+        "severity_score": 1.0,
+        "dominant_damage": "destroyed",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 1,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G12",
+        "building_count": 4,
+        "severe_count": 4,
+        "severe_area_m2": 15455.4615,
+        "total_area_m2": 15455.4615,
+        "severity_score": 1.0,
+        "dominant_damage": "destroyed",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 4,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G13",
+        "building_count": 1,
+        "severe_count": 1,
+        "severe_area_m2": 7967.35,
+        "total_area_m2": 7967.35,
+        "severity_score": 1.0,
+        "dominant_damage": "destroyed",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 1,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G20",
+        "building_count": 2,
+        "severe_count": 2,
+        "severe_area_m2": 6664.9645,
+        "total_area_m2": 6664.9645,
+        "severity_score": 1.0,
+        "dominant_damage": "destroyed",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 2,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G21",
+        "building_count": 3,
+        "severe_count": 3,
+        "severe_area_m2": 13303.602,
+        "total_area_m2": 13303.602,
+        "severity_score": 1.0,
+        "dominant_damage": "destroyed",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 3,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G22",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G23",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G30",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G31",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G32",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G33",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      }
+    ]
+  },
+  "aggregation_contract": {
+    "count_assignment": "building_centroid",
+    "area_assignment": "polygon_cell_intersection",
+    "severity_formula": "(minor + 2*major + 3*destroyed) / (3*classified_buildings)",
+    "unclassified_policy": "excluded_from_severity_denominator"
+  }
+}

data/source_assets/xbd_damage/moore-tornado_00000120/quadrants.geojson

@@ -0,0 +1,298 @@
+{
+  "type": "FeatureCollection",
+  "coordinate_system": "image_pixel_xy",
+  "grid_type": "quadrant_2x2",
+  "scene_id": "moore-tornado_00000120",
+  "n_cells": 4,
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              0.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              0.0,
+              0.0
+            ],
+            [
+              512.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q0",
+        "row": 0,
+        "col": 0,
+        "building_count": 6,
+        "classified_building_count": 6,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 1,
+        "destroyed": 5,
+        "unclassified": 0,
+        "severe_count": 6,
+        "severe_pct": 100.0,
+        "severe_area_m2": 32392.2177,
+        "total_area_m2": 32392.2177,
+        "severity_score": 0.944444,
+        "dominant_damage": "destroyed",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              0.0
+            ],
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              0.0
+            ],
+            [
+              1024.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q1",
+        "row": 0,
+        "col": 1,
+        "building_count": 9,
+        "classified_building_count": 9,
+        "no_damage": 0,
+        "minor_damage": 2,
+        "major_damage": 1,
+        "destroyed": 6,
+        "unclassified": 0,
+        "severe_count": 7,
+        "severe_pct": 77.7778,
+        "severe_area_m2": 33243.1313,
+        "total_area_m2": 43521.6762,
+        "severity_score": 0.814815,
+        "dominant_damage": "destroyed",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              0.0,
+              1024.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q2",
+        "row": 1,
+        "col": 0,
+        "building_count": 5,
+        "classified_building_count": 5,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 5,
+        "unclassified": 0,
+        "severe_count": 5,
+        "severe_pct": 100.0,
+        "severe_area_m2": 19694.2666,
+        "total_area_m2": 19694.2666,
+        "severity_score": 1.0,
+        "dominant_damage": "destroyed",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              1024.0,
+              1024.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              1024.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "Q3",
+        "row": 1,
+        "col": 1,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    }
+  ],
+  "summary": {
+    "highest_severity_score_cell": "Q2",
+    "highest_severity_score": 1.0,
+    "most_severe_buildings_cell": "Q1",
+    "most_severe_count": 7,
+    "most_severe_area_m2": 33079.8153,
+    "most_buildings_cell": "Q1",
+    "most_buildings_count": 9,
+    "empty_cell_count": 1,
+    "empty_cell_ids": [
+      "Q3"
+    ],
+    "cell_breakdown": [
+      {
+        "cell_id": "Q0",
+        "building_count": 6,
+        "severe_count": 6,
+        "severe_area_m2": 32281.2338,
+        "total_area_m2": 32281.2338,
+        "severity_score": 0.945,
+        "dominant_damage": "destroyed",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 1,
+          "destroyed": 5,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "Q1",
+        "building_count": 9,
+        "severe_count": 7,
+        "severe_area_m2": 33079.8153,
+        "total_area_m2": 43358.3602,
+        "severity_score": 0.8144,
+        "dominant_damage": "destroyed",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 2,
+          "major_damage": 1,
+          "destroyed": 6,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "Q2",
+        "building_count": 5,
+        "severe_count": 5,
+        "severe_area_m2": 19968.5665,
+        "total_area_m2": 19968.5665,
+        "severity_score": 1.0,
+        "dominant_damage": "destroyed",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 5,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "Q3",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      }
+    ]
+  },
+  "aggregation_contract": {
+    "count_assignment": "building_centroid",
+    "area_assignment": "polygon_cell_intersection",
+    "severity_formula": "(minor + 2*major + 3*destroyed) / (3*classified_buildings)",
+    "unclassified_policy": "excluded_from_severity_denominator"
+  }
+}

data/source_assets/xbd_damage/nepal-flooding_00000049/building_damage_lnglat.geojson

@@ -0,0 +1,515 @@
+{
+  "type": "FeatureCollection",
+  "coordinate_system": "EPSG:4326",
+  "note": "Visualization only. Compute area from xy GeoJSON.",
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              83.31984231966302,
+              26.82838535590306
+            ],
+            [
+              83.31976035958603,
+              26.82842452407443
+            ],
+            [
+              83.31979589926335,
+              26.82848277814116
+            ],
+            [
+              83.31977589221955,
+              26.8284971151244
+            ],
+            [
+              83.31981801823686,
+              26.82857207172422
+            ],
+            [
+              83.31989390580895,
+              26.8285414084137
+            ],
+            [
+              83.31991030573622,
+              26.82850331560413
+            ],
+            [
+              83.31985341758859,
+              26.82839357914944
+            ],
+            [
+              83.31984231966302,
+              26.82838535590306
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "cf7526f9-0957-41e0-b8b6-d27919bff56b",
+        "subtype": "major-damage",
+        "damage_score": 2,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              83.31988747319964,
+              26.82837901171236
+            ],
+            [
+              83.31987113048038,
+              26.82838886425284
+            ],
+            [
+              83.31988608304923,
+              26.82841699962508
+            ],
+            [
+              83.31991199195659,
+              26.82841829466662
+            ],
+            [
+              83.31994995564924,
+              26.82839961150962
+            ],
+            [
+              83.31993777281033,
+              26.82836627059358
+            ],
+            [
+              83.31989970399772,
+              26.82837979535404
+            ],
+            [
+              83.31988747319964,
+              26.82837901171236
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "2af976e7-2ac0-4f71-8c8f-b01f3e1f130d",
+        "subtype": "major-damage",
+        "damage_score": 2,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              83.31974209808054,
+              26.82790271609109
+            ],
+            [
+              83.3197738437229,
+              26.82801964149849
+            ],
+            [
+              83.31978725249982,
+              26.82801722630635
+            ],
+            [
+              83.31981140035099,
+              26.82800146343712
+            ],
+            [
+              83.31977867759987,
+              26.82789662796569
+            ],
+            [
+              83.31974209808054,
+              26.82790271609109
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "c1a005e6-e6e5-4249-9ee8-8f0c7a85fa34",
+        "subtype": "major-damage",
+        "damage_score": 2,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              83.31949990485039,
+              26.8270997087538
+            ],
+            [
+              83.31937881785903,
+              26.82712314958108
+            ],
+            [
+              83.31941122422451,
+              26.82734432014861
+            ],
+            [
+              83.3195241969658,
+              26.82731386068305
+            ],
+            [
+              83.31950629280453,
+              26.82721760667095
+            ],
+            [
+              83.31953190003742,
+              26.82720288334871
+            ],
+            [
+              83.31950787363537,
+              26.82709957806429
+            ],
+            [
+              83.31949990485039,
+              26.8270997087538
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "5b66cef0-64a2-479d-a634-902ec615c2b4",
+        "subtype": "major-damage",
+        "damage_score": 2,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              83.31945845390722,
+              26.82743321875433
+            ],
+            [
+              83.31936817603332,
+              26.8274473072175
+            ],
+            [
+              83.31939265428497,
+              26.82757578689902
+            ],
+            [
+              83.31944240477195,
+              26.82756516483133
+            ],
+            [
+              83.31944348064039,
+              26.82754133219979
+            ],
+            [
+              83.31946050835406,
+              26.82753404853733
+            ],
+            [
+              83.31945916725559,
+              26.82746822909582
+            ],
+            [
+              83.31946694343647,
+              26.8274667006845
+            ],
+            [
+              83.31945845390722,
+              26.82743321875433
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "b58622b7-cb48-4c23-a94e-cab8f112d79b",
+        "subtype": "major-damage",
+        "damage_score": 2,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              83.31959333125573,
+              26.82753887457969
+            ],
+            [
+              83.31946732281273,
+              26.82756195441158
+            ],
+            [
+              83.31947524826178,
+              26.82759750581407
+            ],
+            [
+              83.31959344989433,
+              26.82757444966126
+            ],
+            [
+              83.31959333125573,
+              26.82753887457969
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "411d07a8-5052-47a7-a646-6436cab1e3bd",
+        "subtype": "major-damage",
+        "damage_score": 2,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              83.31907626563451,
+              26.82612219362791
+            ],
+            [
+              83.31894815741953,
+              26.82619223508869
+            ],
+            [
+              83.31894844867834,
+              26.82620653367348
+            ],
+            [
+              83.31898119737025,
+              26.82624890680621
+            ],
+            [
+              83.31912716242947,
+              26.82617499667422
+            ],
+            [
+              83.31910216397107,
+              26.82612176897718
+            ],
+            [
+              83.31907626563451,
+              26.82612219362791
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "5329677b-d96d-4415-b361-01c5d4530394",
+        "subtype": "major-damage",
+        "damage_score": 2,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              83.3191442228855,
+              26.82844997103128
+            ],
+            [
+              83.31910610138783,
+              26.8284609163879
+            ],
+            [
+              83.31910240834259,
+              26.82846785710469
+            ],
+            [
+              83.3191116109849,
+              26.82849608685408
+            ],
+            [
+              83.31915434879677,
+              26.82847646559795
+            ],
+            [
+              83.3191442228855,
+              26.82844997103128
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "1bba1ea9-a0ce-4584-93a8-9842d815ce34",
+        "subtype": "major-damage",
+        "damage_score": 2,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              83.32031037326291,
+              26.82575503904208
+            ],
+            [
+              83.32025476005202,
+              26.82577944379852
+            ],
+            [
+              83.32028186040147,
+              26.82583800054677
+            ],
+            [
+              83.32031031333028,
+              26.82582843732806
+            ],
+            [
+              83.32031037326291,
+              26.82575503904208
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "9ca249d1-f571-4117-bb36-6b2ea5c27f92",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              83.31869896066091,
+              26.82723309864121
+            ],
+            [
+              83.31871821138608,
+              26.82725960035367
+            ],
+            [
+              83.31885750985388,
+              26.82718823000113
+            ],
+            [
+              83.31878415068212,
+              26.82706681559616
+            ],
+            [
+              83.31877606839791,
+              26.82707060831923
+            ],
+            [
+              83.31876451739421,
+              26.82705432673603
+            ],
+            [
+              83.31873127112948,
+              26.82707454545107
+            ],
+            [
+              83.31873918831097,
+              26.82708768392576
+            ],
+            [
+              83.31869657357011,
+              26.82711590103169
+            ],
+            [
+              83.31869896066091,
+              26.82723309864121
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "6cddcc0f-655f-4a3c-89b4-6caaf19114b4",
+        "subtype": "major-damage",
+        "damage_score": 2,
+        "is_severe": true
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              83.31988491621108,
+              26.82807597658505
+            ],
+            [
+              83.32003021380935,
+              26.82801424253369
+            ],
+            [
+              83.31995777287051,
+              26.82785476661547
+            ],
+            [
+              83.31989703625268,
+              26.82788553635264
+            ],
+            [
+              83.31987364542239,
+              26.82785923628975
+            ],
+            [
+              83.31982975795701,
+              26.8278872016853
+            ],
+            [
+              83.31984019089525,
+              26.82790753490898
+            ],
+            [
+              83.31979214660515,
+              26.82793040796756
+            ],
+            [
+              83.31981262686071,
+              26.82798287777019
+            ],
+            [
+              83.31988491621108,
+              26.82807597658505
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "e10e6301-058a-4be3-829f-a3aa1c1677d1",
+        "subtype": "major-damage",
+        "damage_score": 2,
+        "is_severe": true
+      }
+    }
+  ]
+}

data/source_assets/xbd_damage/nepal-flooding_00000049/building_damage_xy.geojson

@@ -0,0 +1,559 @@
+{
+  "type": "FeatureCollection",
+  "coordinate_system": "image_pixel_xy",
+  "gsd_m_per_px": 2.3406696,
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              236.0771597215155,
+              156.0095521831012
+            ],
+            [
+              218.6630245594737,
+              147.1382003073806
+            ],
+            [
+              225.8915334951165,
+              133.3383196138961
+            ],
+            [
+              221.6201418509692,
+              130.052633733744
+            ],
+            [
+              230.1629251392638,
+              112.3099299832885
+            ],
+            [
+              246.262785950625,
+              119.2098703315092
+            ],
+            [
+              249.8770404186928,
+              128.0812222062442
+            ],
+            [
+              238.3771398379171,
+              154.0381406556014
+            ],
+            [
+              236.0771597215155,
+              156.0095521831012
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "cf7526f9-0957-41e0-b8b6-d27919bff56b",
+        "subtype": "major-damage",
+        "damage_score": 2,
+        "is_severe": true,
+        "area_px2": 821.2313,
+        "area_m2": 4499.308,
+        "centroid_x": 234.4944,
+        "centroid_y": 133.9389
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              245.6056487747919,
+              157.3238265357534
+            ],
+            [
+              242.1245350450322,
+              155.0758457617249
+            ],
+            [
+              245.1502242083871,
+              148.4193296035253
+            ],
+            [
+              250.596464702623,
+              148.0159043812189
+            ],
+            [
+              258.6649691324866,
+              152.2518692114938
+            ],
+            [
+              256.244417804316,
+              160.1186610336558
+            ],
+            [
+              248.1759133707563,
+              157.0929718712858
+            ],
+            [
+              245.6056487747919,
+              157.3238265357534
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "2af976e7-2ac0-4f71-8c8f-b01f3e1f130d",
+        "subtype": "major-damage",
+        "damage_score": 2,
+        "is_severe": true,
+        "area_px2": 127.857,
+        "area_m2": 700.4946,
+        "centroid_x": 250.6325,
+        "centroid_y": 153.6276
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              217.0579653950627,
+              269.5954891108461
+            ],
+            [
+              223.2365754589774,
+              242.0491858917454
+            ],
+            [
+              226.0684384110779,
+              242.5640700637795
+            ],
+            [
+              231.2172801343744,
+              246.1682592690037
+            ],
+            [
+              224.7812279790218,
+              270.8826995404385
+            ],
+            [
+              217.0579653950627,
+              269.5954891108461
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "c1a005e6-e6e5-4249-9ee8-8f0c7a85fa34",
+        "subtype": "major-damage",
+        "damage_score": 2,
+        "is_severe": true,
+        "area_px2": 226.0026,
+        "area_m2": 1238.2083,
+        "centroid_x": 224.1143,
+        "centroid_y": 256.6885
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              169.5379721631953,
+              458.8678454579695
+            ],
+            [
+              143.9578642804593,
+              453.8356930875617
+            ],
+            [
+              149.828708713011,
+              401.836785263628
+            ],
+            [
+              173.7314324677607,
+              408.5463217578337
+            ],
+            [
+              170.3766642204123,
+              431.1910074231905
+            ],
+            [
+              175.8281626242323,
+              434.5457756688149
+            ],
+            [
+              171.2153562850215,
+              458.8678454579695
+            ],
+            [
+              169.5379721631953,
+              458.8678454579695
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "5b66cef0-64a2-479d-a634-902ec615c2b4",
+        "subtype": "major-damage",
+        "damage_score": 2,
+        "is_severe": true,
+        "area_px2": 1355.6361,
+        "area_m2": 7427.1697,
+        "centroid_x": 159.7481,
+        "centroid_y": 431.8503
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              159.3857991928676,
+              380.8044696911762
+            ],
+            [
+              140.3288210895182,
+              377.8473524009121
+            ],
+            [
+              144.9287813210892,
+              347.6190423056817
+            ],
+            [
+              155.4429761366369,
+              349.9190224230695
+            ],
+            [
+              155.7715447225822,
+              355.504688418638
+            ],
+            [
+              159.3857991943461,
+              357.1475313572356
+            ],
+            [
+              159.3857991913892,
+              372.5902549922746
+            ],
+            [
+              161.0286421324504,
+              372.9188235792056
+            ],
+            [
+              159.3857991928676,
+              380.8044696911762
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "b58622b7-cb48-4c23-a94e-cab8f112d79b",
+        "subtype": "major-damage",
+        "damage_score": 2,
+        "is_severe": true,
+        "area_px2": 496.2258,
+        "area_m2": 2718.6893,
+        "centroid_x": 150.7314,
+        "centroid_y": 365.5987
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              187.3141291704571,
+              355.504688418638
+            ],
+            [
+              160.7000735455195,
+              350.5761595989027
+            ],
+            [
+              162.2153449027657,
+              342.2073002400889
+            ],
+            [
+              187.1865575898453,
+              347.1603042015623
+            ],
+            [
+              187.3141291704571,
+              355.504688418638
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "411d07a8-5052-47a7-a646-6436cab1e3bd",
+        "subtype": "major-damage",
+        "damage_score": 2,
+        "is_severe": true,
+        "area_px2": 218.9674,
+        "area_m2": 1199.6644,
+        "centroid_x": 174.2645,
+        "centroid_y": 348.8893
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              84.58434725722034,
+              689.7676443076977
+            ],
+            [
+              57.32685525438305,
+              673.8324951345752
+            ],
+            [
+              57.32685525389023,
+              670.4777268869796
+            ],
+            [
+              64.03639174686222,
+              660.4134221471495
+            ],
+            [
+              95.06799803144699,
+              677.1872633821708
+            ],
+            [
+              90.03584565882272,
+              689.7676443076977
+            ],
+            [
+              84.58434725722034,
+              689.7676443076977
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "5329677b-d96d-4415-b361-01c5d4530394",
+        "subtype": "major-damage",
+        "damage_score": 2,
+        "is_severe": true,
+        "area_px2": 565.0096,
+        "area_m2": 3095.5372,
+        "centroid_x": 76.0616,
+        "centroid_y": 675.7652
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              88.90548490450342,
+              143.5398039649518
+            ],
+            [
+              80.83698047143658,
+              141.1192526340702
+            ],
+            [
+              80.03013002411346,
+              139.5055517507583
+            ],
+            [
+              81.84554352498472,
+              132.849035591573
+            ],
+            [
+              90.92261101307814,
+              137.2867130290586
+            ],
+            [
+              88.90548490450342,
+              143.5398039649518
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "1bba1ea9-a0ce-4584-93a8-9842d815ce34",
+        "subtype": "major-damage",
+        "damage_score": 2,
+        "is_severe": true,
+        "area_px2": 71.5905,
+        "area_m2": 392.2253,
+        "centroid_x": 85.2341,
+        "centroid_y": 138.5051
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              345.8471483932948,
+              771.1342743297014
+            ],
+            [
+              334.0399863844891,
+              765.6242651498749
+            ],
+            [
+              339.4914847838738,
+              751.7858461334711
+            ],
+            [
+              345.5197476423505,
+              753.9193635360091
+            ],
+            [
+              345.8471483932948,
+              771.1342743297014
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "9ca249d1-f571-4117-bb36-6b2ea5c27f92",
+        "subtype": "destroyed",
+        "damage_score": 3,
+        "is_severe": true,
+        "area_px2": 148.2539,
+        "area_m2": 812.2436,
+        "centroid_x": 341.1231,
+        "centroid_y": 761.4918
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              0.4283932996747782,
+              430.6623851991836
+            ],
+            [
+              4.365614546314846,
+              424.3725416711764
+            ],
+            [
+              33.98322346016816,
+              440.5763784313079
+            ],
+            [
+              19.06710882792973,
+              469.3355059244399
+            ],
+            [
+              17.35014599115485,
+              468.4770245071611
+            ],
+            [
+              14.98932209018897,
+              472.3401908873799
+            ],
+            [
+              7.90685039690123,
+              467.7258532649477
+            ],
+            [
+              9.51650305392901,
+              464.6138581269424
+            ],
+            [
+              0.4284016890964882,
+              458.1595681050551
+            ],
+            [
+              0.4283932996747782,
+              430.6623851991836
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "6cddcc0f-655f-4a3c-89b4-6caaf19114b4",
+        "subtype": "major-damage",
+        "damage_score": 2,
+        "is_severe": true,
+        "area_px2": 981.4882,
+        "area_m2": 5377.313,
+        "centroid_x": 14.0208,
+        "centroid_y": 447.3964
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              246.3671257026832,
+              228.4087997427731
+            ],
+            [
+              277.2057264835682,
+              242.3291444587311
+            ],
+            [
+              262.6464365373981,
+              280.012012554246
+            ],
+            [
+              249.734125090908,
+              273.0288237124668
+            ],
+            [
+              244.9249478640165,
+              279.2873420145542
+            ],
+            [
+              235.570109980896,
+              272.8970654324332
+            ],
+            [
+              237.6782424641431,
+              268.0878882097294
+            ],
+            [
+              227.4705573803006,
+              262.9079793876938
+            ],
+            [
+              231.5550640628187,
+              250.522701062567
+            ],
+            [
+              246.3671257026832,
+              228.4087997427731
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "uid": "e10e6301-058a-4be3-829f-a3aa1c1677d1",
+        "subtype": "major-damage",
+        "damage_score": 2,
+        "is_severe": true,
+        "area_px2": 1569.7655,
+        "area_m2": 8600.3278,
+        "centroid_x": 252.2002,
+        "centroid_y": 254.5812
+      }
+    }
+  ]
+}

data/source_assets/xbd_damage/nepal-flooding_00000049/grid_4x4.geojson

@@ -0,0 +1,1113 @@
+{
+  "type": "FeatureCollection",
+  "coordinate_system": "image_pixel_xy",
+  "grid_type": "grid_4x4",
+  "scene_id": "nepal-flooding_00000049",
+  "n_cells": 16,
+  "features": [
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              0.0
+            ],
+            [
+              256.0,
+              256.0
+            ],
+            [
+              0.0,
+              256.0
+            ],
+            [
+              0.0,
+              0.0
+            ],
+            [
+              256.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G00",
+        "row": 0,
+        "col": 0,
+        "building_count": 4,
+        "classified_building_count": 4,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 4,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 4,
+        "severe_pct": 100.0,
+        "severe_area_m2": 8820.7302,
+        "total_area_m2": 8820.7302,
+        "severity_score": 0.666667,
+        "dominant_damage": "major-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              0.0
+            ],
+            [
+              512.0,
+              256.0
+            ],
+            [
+              256.0,
+              256.0
+            ],
+            [
+              256.0,
+              0.0
+            ],
+            [
+              512.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G01",
+        "row": 0,
+        "col": 1,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 2019.3795,
+        "total_area_m2": 2019.3795,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              0.0
+            ],
+            [
+              768.0,
+              256.0
+            ],
+            [
+              512.0,
+              256.0
+            ],
+            [
+              512.0,
+              0.0
+            ],
+            [
+              768.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G02",
+        "row": 0,
+        "col": 2,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              0.0
+            ],
+            [
+              1024.0,
+              256.0
+            ],
+            [
+              768.0,
+              256.0
+            ],
+            [
+              768.0,
+              0.0
+            ],
+            [
+              1024.0,
+              0.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G03",
+        "row": 0,
+        "col": 3,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              256.0
+            ],
+            [
+              256.0,
+              512.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              0.0,
+              256.0
+            ],
+            [
+              256.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G10",
+        "row": 1,
+        "col": 0,
+        "building_count": 5,
+        "classified_building_count": 5,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 5,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 5,
+        "severe_pct": 100.0,
+        "severe_area_m2": 19894.117,
+        "total_area_m2": 19894.117,
+        "severity_score": 0.666667,
+        "dominant_damage": "major-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              256.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              256.0,
+              512.0
+            ],
+            [
+              256.0,
+              256.0
+            ],
+            [
+              512.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G11",
+        "row": 1,
+        "col": 1,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 1419.1738,
+        "total_area_m2": 1419.1738,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              256.0
+            ],
+            [
+              768.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              256.0
+            ],
+            [
+              768.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G12",
+        "row": 1,
+        "col": 2,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              256.0
+            ],
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              768.0,
+              512.0
+            ],
+            [
+              768.0,
+              256.0
+            ],
+            [
+              1024.0,
+              256.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G13",
+        "row": 1,
+        "col": 3,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              512.0
+            ],
+            [
+              256.0,
+              768.0
+            ],
+            [
+              0.0,
+              768.0
+            ],
+            [
+              0.0,
+              512.0
+            ],
+            [
+              256.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G20",
+        "row": 2,
+        "col": 0,
+        "building_count": 1,
+        "classified_building_count": 1,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 1,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 1,
+        "severe_pct": 100.0,
+        "severe_area_m2": 3095.5372,
+        "total_area_m2": 3095.5372,
+        "severity_score": 0.666667,
+        "dominant_damage": "major-damage",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              512.0
+            ],
+            [
+              512.0,
+              768.0
+            ],
+            [
+              256.0,
+              768.0
+            ],
+            [
+              256.0,
+              512.0
+            ],
+            [
+              512.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G21",
+        "row": 2,
+        "col": 1,
+        "building_count": 1,
+        "classified_building_count": 1,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 1,
+        "unclassified": 0,
+        "severe_count": 1,
+        "severe_pct": 100.0,
+        "severe_area_m2": 755.0897,
+        "total_area_m2": 755.0897,
+        "severity_score": 1.0,
+        "dominant_damage": "destroyed",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              512.0
+            ],
+            [
+              768.0,
+              768.0
+            ],
+            [
+              512.0,
+              768.0
+            ],
+            [
+              512.0,
+              512.0
+            ],
+            [
+              768.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G22",
+        "row": 2,
+        "col": 2,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              512.0
+            ],
+            [
+              1024.0,
+              768.0
+            ],
+            [
+              768.0,
+              768.0
+            ],
+            [
+              768.0,
+              512.0
+            ],
+            [
+              1024.0,
+              512.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G23",
+        "row": 2,
+        "col": 3,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              256.0,
+              768.0
+            ],
+            [
+              256.0,
+              1024.0
+            ],
+            [
+              0.0,
+              1024.0
+            ],
+            [
+              0.0,
+              768.0
+            ],
+            [
+              256.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G30",
+        "row": 3,
+        "col": 0,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              512.0,
+              768.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              256.0,
+              1024.0
+            ],
+            [
+              256.0,
+              768.0
+            ],
+            [
+              512.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G31",
+        "row": 3,
+        "col": 1,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 57.1539,
+        "total_area_m2": 57.1539,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              768.0,
+              768.0
+            ],
+            [
+              768.0,
+              1024.0
+            ],
+            [
+              512.0,
+              1024.0
+            ],
+            [
+              512.0,
+              768.0
+            ],
+            [
+              768.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G32",
+        "row": 3,
+        "col": 2,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    },
+    {
+      "type": "Feature",
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              1024.0,
+              768.0
+            ],
+            [
+              1024.0,
+              1024.0
+            ],
+            [
+              768.0,
+              1024.0
+            ],
+            [
+              768.0,
+              768.0
+            ],
+            [
+              1024.0,
+              768.0
+            ]
+          ]
+        ]
+      },
+      "properties": {
+        "cell_id": "G33",
+        "row": 3,
+        "col": 3,
+        "building_count": 0,
+        "classified_building_count": 0,
+        "no_damage": 0,
+        "minor_damage": 0,
+        "major_damage": 0,
+        "destroyed": 0,
+        "unclassified": 0,
+        "severe_count": 0,
+        "severe_pct": 0.0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "count_assignment": "building_centroid",
+        "area_assignment": "polygon_cell_intersection",
+        "severity_denominator": "classified_buildings"
+      }
+    }
+  ],
+  "summary": {
+    "highest_severity_score_cell": "G21",
+    "highest_severity_score": 1.0,
+    "most_severe_buildings_cell": "G10",
+    "most_severe_count": 5,
+    "most_severe_area_m2": 17961.0447,
+    "most_buildings_cell": "G10",
+    "most_buildings_count": 5,
+    "empty_cell_count": 12,
+    "empty_cell_ids": [
+      "G01",
+      "G02",
+      "G03",
+      "G11",
+      "G12",
+      "G13",
+      "G22",
+      "G23",
+      "G30",
+      "G31",
+      "G32",
+      "G33"
+    ],
+    "cell_breakdown": [
+      {
+        "cell_id": "G00",
+        "building_count": 4,
+        "severe_count": 4,
+        "severe_area_m2": 14192.3557,
+        "total_area_m2": 14192.3557,
+        "severity_score": 0.67,
+        "dominant_damage": "major-damage",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 4,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G01",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G02",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G03",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G10",
+        "building_count": 5,
+        "severe_count": 5,
+        "severe_area_m2": 17961.0447,
+        "total_area_m2": 17961.0447,
+        "severity_score": 0.67,
+        "dominant_damage": "major-damage",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 5,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G11",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G12",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G13",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G20",
+        "building_count": 1,
+        "severe_count": 1,
+        "severe_area_m2": 3095.5372,
+        "total_area_m2": 3095.5372,
+        "severity_score": 0.67,
+        "dominant_damage": "major-damage",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 1,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G21",
+        "building_count": 1,
+        "severe_count": 1,
+        "severe_area_m2": 812.2436,
+        "total_area_m2": 812.2436,
+        "severity_score": 1.0,
+        "dominant_damage": "destroyed",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 1,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G22",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G23",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G30",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G31",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G32",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      },
+      {
+        "cell_id": "G33",
+        "building_count": 0,
+        "severe_count": 0,
+        "severe_area_m2": 0.0,
+        "total_area_m2": 0.0,
+        "severity_score": 0.0,
+        "dominant_damage": "none",
+        "subtype_histogram": {
+          "no_damage": 0,
+          "minor_damage": 0,
+          "major_damage": 0,
+          "destroyed": 0,
+          "unclassified": 0
+        }
+      }
+    ]
+  },
+  "aggregation_contract": {
+    "count_assignment": "building_centroid",
+    "area_assignment": "polygon_cell_intersection",
+    "severity_formula": "(minor + 2*major + 3*destroyed) / (3*classified_buildings)",
+    "unclassified_policy": "excluded_from_severity_denominator"
+  }
+}