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TopoBox-3D/protocol_A/test_iid/PA_test_iid_0170_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0170_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1700082368,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.47079836086774657,
+          0.644508833637712,
+          0.0
+        ],
+        "end": [
+          0.47079836086774657,
+          0.644508833637712,
+          1.0
+        ],
+        "radius": 0.12031465755520697
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          1.0953195740328696,
+          0.4136077149308497,
+          0.4064846493838428
+        ],
+        "axes": [
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+          0.15804019138538378,
+          0.15804019138538378
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.23517650880708096
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2521,
+    "n_edges": 14672,
+    "n_faces": 22946,
+    "n_tetrahedra": 10794,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.4930106997489929,
+    "p01": 0.6577107977867126,
+    "mean": 0.8627396821975708,
+    "maximum": 0.999268114566803
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_A/test_iid/PA_test_iid_0171_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0171_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 670318624,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          1.1537688262397225,
+          0.7709834924829344,
+          0.0
+        ],
+        "end": [
+          1.1537688262397225,
+          0.7709834924829344,
+          1.0
+        ],
+        "radius": 0.12219463275290955
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.7150051104441884,
+          0.25955860411884807,
+          0.6755088019697906
+        ],
+        "axes": [
+          0.15642669557443498,
+          0.15642669557443498,
+          0.15642669557443498
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.10313190854441309
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2609,
+    "n_edges": 15170,
+    "n_faces": 23697,
+    "n_tetrahedra": 11135,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.3907150328159332,
+    "p01": 0.6475723350048065,
+    "mean": 0.8617841005325317,
+    "maximum": 0.9984662532806396
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_A/test_iid/PA_test_iid_0172_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0172_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1620220932,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.43540037191133674,
+          0.5937370095559654,
+          0.0
+        ],
+        "end": [
+          0.43540037191133674,
+          0.5937370095559654,
+          1.0
+        ],
+        "radius": 0.11649336701877305
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.3303994834959694,
+          0.23955460346071242,
+          0.7181415553061786
+        ],
+        "axes": [
+          0.12779996429009766,
+          0.12779996429009766,
+          0.12779996429009766
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.11175463917061476
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2279,
+    "n_edges": 13069,
+    "n_faces": 20256,
+    "n_tetrahedra": 9465,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.5219289660453796,
+    "p01": 0.6432656574249268,
+    "mean": 0.8564004302024841,
+    "maximum": 0.9986951947212219
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_A/test_iid/PA_test_iid_0173_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0173_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1082996500,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.5984471107469209,
+          0.38481846554696053,
+          0.0
+        ],
+        "end": [
+          0.5984471107469209,
+          0.38481846554696053,
+          1.0
+        ],
+        "radius": 0.12307794621650711
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          1.1572591947065654,
+          0.35247283758829656,
+          0.5376580917670793
+        ],
+        "axes": [
+          0.1620391625157816,
+          0.1620391625157816,
+          0.1620391625157816
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.19043367507251496
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2593,
+    "n_edges": 15069,
+    "n_faces": 23547,
+    "n_tetrahedra": 11070,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.5132263898849487,
+    "p01": 0.6692761212587357,
+    "mean": 0.8628991842269897,
+    "maximum": 0.9984773993492126
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_A/test_iid/PA_test_iid_0174_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0174_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1667540605,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.5262462322102344,
+          0.6487586094845272,
+          0.0
+        ],
+        "end": [
+          0.5262462322102344,
+          0.6487586094845272,
+          1.0
+        ],
+        "radius": 0.12766539221083434
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          1.4392298336304479,
+          0.6465624670333674,
+          0.5336886131861254
+        ],
+        "axes": [
+          0.12893762670980738,
+          0.12893762670980738,
+          0.12893762670980738
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.22357599830463842
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2536,
+    "n_edges": 14812,
+    "n_faces": 23204,
+    "n_tetrahedra": 10927,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.5192871689796448,
+    "p01": 0.6550676476955414,
+    "mean": 0.861197292804718,
+    "maximum": 0.9981176853179932
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_A/test_iid/PA_test_iid_0175_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0175_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1880683894,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          1.6523603127497726,
+          0.3873325335125717,
+          0.0
+        ],
+        "end": [
+          1.6523603127497726,
+          0.3873325335125717,
+          1.0
+        ],
+        "radius": 0.12196808770873109
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.40661527806858155,
+          0.5148815384659666,
+          0.514580470548527
+        ],
+        "axes": [
+          0.1317640550642084,
+          0.1317640550642084,
+          0.1317640550642084
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.22567159954149635
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2388,
+    "n_edges": 13828,
+    "n_faces": 21560,
+    "n_tetrahedra": 10119,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.49847978353500366,
+    "p01": 0.6533164346218109,
+    "mean": 0.8600770831108093,
+    "maximum": 0.9969708323478699
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_A/test_iid/PA_test_iid_0176_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0176_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 70799882,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          1.097761975097166,
+          0.2641498298663499,
+          0.0
+        ],
+        "end": [
+          1.097761975097166,
+          0.2641498298663499,
+          1.0
+        ],
+        "radius": 0.12153245361245432
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.3180626036409911,
+          0.653366220996915,
+          0.6374826278071157
+        ],
+        "axes": [
+          0.145217289519713,
+          0.145217289519713,
+          0.145217289519713
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.14261737625389556
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2509,
+    "n_edges": 14599,
+    "n_faces": 22821,
+    "n_tetrahedra": 10730,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.48915308713912964,
+    "p01": 0.6583614176511765,
+    "mean": 0.8643462657928467,
+    "maximum": 0.995639443397522
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_A/test_iid/PA_test_iid_0177_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0177_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1516560798,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.4553768667412891,
+          0.22201965428857778,
+          0.0
+        ],
+        "end": [
+          0.4553768667412891,
+          0.22201965428857778,
+          1.0
+        ],
+        "radius": 0.12143365922054068
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          1.4645792325108828,
+          0.487401718383511,
+          0.2528178128579689
+        ],
+        "axes": [
+          0.13015151783819284,
+          0.13015151783819284,
+          0.13015151783819284
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.1005859950680371
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2463,
+    "n_edges": 14280,
+    "n_faces": 22282,
+    "n_tetrahedra": 10464,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.4114462733268738,
+    "p01": 0.6461475592851639,
+    "mean": 0.8620006442070007,
+    "maximum": 0.9992197751998901
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_A/test_iid/PA_test_iid_0178_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0178_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1598372382,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.23169771814049708,
+          0.3146961082419222,
+          0.0
+        ],
+        "end": [
+          0.23169771814049708,
+          0.3146961082419222,
+          1.0
+        ],
+        "radius": 0.1143191020010028
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.988398473738637,
+          0.40005442179268597,
+          0.7488104167794275
+        ],
+        "axes": [
+          0.13967856895816477,
+          0.13967856895816477,
+          0.13967856895816477
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.11151101426240773
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2476,
+    "n_edges": 14364,
+    "n_faces": 22418,
+    "n_tetrahedra": 10529,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.45302340388298035,
+    "p01": 0.6413308024406433,
+    "mean": 0.8602390289306641,
+    "maximum": 0.9992789030075073
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_A/test_iid/PA_test_iid_0179_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0179_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 976155495,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.775655364200944,
+          0.6906846908682197,
+          0.0
+        ],
+        "end": [
+          0.775655364200944,
+          0.6906846908682197,
+          1.0
+        ],
+        "radius": 0.11529354597751232
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.26533218374062983,
+          0.7629205758458804,
+          0.25195774857133585
+        ],
+        "axes": [
+          0.1345509845076115,
+          0.1345509845076115,
+          0.1345509845076115
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.10252843964650815
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2456,
+    "n_edges": 14212,
+    "n_faces": 22142,
+    "n_tetrahedra": 10385,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.38971197605133057,
+    "p01": 0.6419776153564453,
+    "mean": 0.8602511286735535,
+    "maximum": 0.9995120763778687
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_A/test_iid/PA_test_iid_0180_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0180_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1738782684,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.6913294706880804,
+          0.2456950735721392,
+          0.0
+        ],
+        "end": [
+          0.6913294706880804,
+          0.2456950735721392,
+          1.0
+        ],
+        "radius": 0.12614678725487685
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          1.2480581283855638,
+          0.3445067633240835,
+          0.30010085458790176
+        ],
+        "axes": [
+          0.15604632970084004,
+          0.15604632970084004,
+          0.15604632970084004
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.11954828631726236
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2561,
+    "n_edges": 14880,
+    "n_faces": 23234,
+    "n_tetrahedra": 10914,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.45329561829566956,
+    "p01": 0.6544087201356887,
+    "mean": 0.8620566725730896,
+    "maximum": 0.9996805787086487
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_A/test_iid/PA_test_iid_0181_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0181_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1051303154,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          1.4519948940982599,
+          0.5089451715893449,
+          0.0
+        ],
+        "end": [
+          1.4519948940982599,
+          0.5089451715893449,
+          1.0
+        ],
+        "radius": 0.10310202067966942
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          1.0880809911347311,
+          0.47817959954148354,
+          0.6873393364216179
+        ],
+        "axes": [
+          0.12165696302771348,
+          0.12165696302771348,
+          0.12165696302771348
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.14045307687328956
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2432,
+    "n_edges": 14138,
+    "n_faces": 22094,
+    "n_tetrahedra": 10387,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.5123093128204346,
+    "p01": 0.6657649099826812,
+    "mean": 0.8624981045722961,
+    "maximum": 0.9982588291168213
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_A/test_iid/PA_test_iid_0182_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0182_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1586034445,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.3590917116293637,
+          0.5983367736953835,
+          0.0
+        ],
+        "end": [
+          0.3590917116293637,
+          0.5983367736953835,
+          1.0
+        ],
+        "radius": 0.11623250225294916
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.8202244217712671,
+          0.3590931933949273,
+          0.6423726666617026
+        ],
+        "axes": [
+          0.1576776316271873,
+          0.1576776316271873,
+          0.1576776316271873
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.19994970171111015
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2448,
+    "n_edges": 14185,
+    "n_faces": 22122,
+    "n_tetrahedra": 10384,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.5492814183235168,
+    "p01": 0.6649013018608093,
+    "mean": 0.8609952926635742,
+    "maximum": 0.9973635077476501
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_A/test_iid/PA_test_iid_0183_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0183_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 160121532,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          1.563353033565936,
+          0.7220872045665359,
+          0.0
+        ],
+        "end": [
+          1.563353033565936,
+          0.7220872045665359,
+          1.0
+        ],
+        "radius": 0.12819359983482212
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.33730521496158283,
+          0.5408327789269141,
+          0.5610506882660702
+        ],
+        "axes": [
+          0.14597520843648484,
+          0.14597520843648484,
+          0.14597520843648484
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.14971919559864202
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2517,
+    "n_edges": 14644,
+    "n_faces": 22892,
+    "n_tetrahedra": 10764,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.4693271219730377,
+    "p01": 0.6530794066190719,
+    "mean": 0.862331748008728,
+    "maximum": 0.9978982210159302
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_A/test_iid/PA_test_iid_0184_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0184_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1480603993,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          1.2662789844416138,
+          0.7575413633595363,
+          0.0
+        ],
+        "end": [
+          1.2662789844416138,
+          0.7575413633595363,
+          1.0
+        ],
+        "radius": 0.11597101931176038
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.26175299161267196,
+          0.4982031369767206,
+          0.4626357288525005
+        ],
+        "axes": [
+          0.1591496769477963,
+          0.1591496769477963,
+          0.1591496769477963
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.10260331466487566
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2662,
+    "n_edges": 15514,
+    "n_faces": 24272,
+    "n_tetrahedra": 11419,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.4353955388069153,
+    "p01": 0.6477838170528412,
+    "mean": 0.862072765827179,
+    "maximum": 0.9998701810836792
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_A/test_iid/PA_test_iid_0185_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0185_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 109566556,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.795979569272585,
+          0.4852273330259928,
+          0.0
+        ],
+        "end": [
+          0.795979569272585,
+          0.4852273330259928,
+          1.0
+        ],
+        "radius": 0.13472959850572683
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          1.5859257887708884,
+          0.5054671353889693,
+          0.43146748468263685
+        ],
+        "axes": [
+          0.16453770463572887,
+          0.16453770463572887,
+          0.16453770463572887
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.24953650659338272
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2639,
+    "n_edges": 15408,
+    "n_faces": 24126,
+    "n_tetrahedra": 11356,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.44203677773475647,
+    "p01": 0.6665276676416397,
+    "mean": 0.8630934357643127,
+    "maximum": 0.9989190697669983
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_A/test_iid/PA_test_iid_0186_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0186_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 751670882,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          1.6866436196810703,
+          0.5004902334370287,
+          0.0
+        ],
+        "end": [
+          1.6866436196810703,
+          0.5004902334370287,
+          1.0
+        ],
+        "radius": 0.1312453885895284
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.8401816716047439,
+          0.2586423508238601,
+          0.7125177397851283
+        ],
+        "axes": [
+          0.1356148084349588,
+          0.1356148084349588,
+          0.1356148084349588
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.12302754238890132
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2544,
+    "n_edges": 14850,
+    "n_faces": 23253,
+    "n_tetrahedra": 10946,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.50798499584198,
+    "p01": 0.6590427428483963,
+    "mean": 0.8640042543411255,
+    "maximum": 0.9995856285095215
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_A/test_iid/PA_test_iid_0187_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0187_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 689588196,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.23321177426648232,
+          0.5877055032419631,
+          0.0
+        ],
+        "end": [
+          0.23321177426648232,
+          0.5877055032419631,
+          1.0
+        ],
+        "radius": 0.10143870855000649
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          1.3549791709850825,
+          0.39404723380528983,
+          0.4440218306605719
+        ],
+        "axes": [
+          0.1403429961788714,
+          0.1403429961788714,
+          0.1403429961788714
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.13177306571647585
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2525,
+    "n_edges": 14765,
+    "n_faces": 23147,
+    "n_tetrahedra": 10906,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.5247207880020142,
+    "p01": 0.649015074968338,
+    "mean": 0.8632776737213135,
+    "maximum": 0.9992705583572388
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_A/test_iid/PA_test_iid_0188_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0188_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1166076986,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.3375293625297002,
+          0.40058917053873666,
+          0.0
+        ],
+        "end": [
+          0.3375293625297002,
+          0.40058917053873666,
+          1.0
+        ],
+        "radius": 0.11106817040634254
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.8686416671010535,
+          0.27731783462158816,
+          0.7048554824713712
+        ],
+        "axes": [
+          0.1560173379026247,
+          0.1560173379026247,
+          0.1560173379026247
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.12130049671896345
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2352,
+    "n_edges": 13577,
+    "n_faces": 21134,
+    "n_tetrahedra": 9908,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.548146665096283,
+    "p01": 0.672114896774292,
+    "mean": 0.8608735799789429,
+    "maximum": 0.9986675381660461
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_A/test_iid/PA_test_iid_0189_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0189_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 989307152,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.25218225659115495,
+          0.3351948579984469,
+          0.0
+        ],
+        "end": [
+          0.25218225659115495,
+          0.3351948579984469,
+          1.0
+        ],
+        "radius": 0.12141084482115233
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          1.2348471588534307,
+          0.2863660322880334,
+          0.2613699696320883
+        ],
+        "axes": [
+          0.1580497056161243,
+          0.1580497056161243,
+          0.1580497056161243
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.103320264015964
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2521,
+    "n_edges": 14632,
+    "n_faces": 22837,
+    "n_tetrahedra": 10725,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.4266487658023834,
+    "p01": 0.6379772853851319,
+    "mean": 0.8619969487190247,
+    "maximum": 0.9977411031723022
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_A/test_iid/PA_test_iid_0190_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0190_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 441110919,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.5019307542238156,
+          0.7748443683072331,
+          0.0
+        ],
+        "end": [
+          0.5019307542238156,
+          0.7748443683072331,
+          1.0
+        ],
+        "radius": 0.12325157844685204
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          1.5338321503836785,
+          0.5978370229157932,
+          0.4288786289627689
+        ],
+        "axes": [
+          0.1365162654181654,
+          0.1365162654181654,
+          0.1365162654181654
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.10190405324591482
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2652,
+    "n_edges": 15499,
+    "n_faces": 24288,
+    "n_tetrahedra": 11440,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.4797845184803009,
+    "p01": 0.6512683707475663,
+    "mean": 0.8630454540252686,
+    "maximum": 0.998869776725769
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_A/test_iid/PA_test_iid_0191_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0191_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 657343173,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          1.3681731240430377,
+          0.3205704071441469,
+          0.0
+        ],
+        "end": [
+          1.3681731240430377,
+          0.3205704071441469,
+          1.0
+        ],
+        "radius": 0.10424793708415507
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.663362158752207,
+          0.3992521734835568,
+          0.317402143579635
+        ],
+        "axes": [
+          0.16491646491666606,
+          0.16491646491666606,
+          0.16491646491666606
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.15248567866296892
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2549,
+    "n_edges": 14896,
+    "n_faces": 23333,
+    "n_tetrahedra": 10985,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.4807911217212677,
+    "p01": 0.6468771958351135,
+    "mean": 0.8582422137260437,
+    "maximum": 0.9980967044830322
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_A/test_iid/PA_test_iid_0192_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0192_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1718193199,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          1.7736065929712643,
+          0.6665804451365045,
+          0.0
+        ],
+        "end": [
+          1.7736065929712643,
+          0.6665804451365045,
+          1.0
+        ],
+        "radius": 0.11681880765920252
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.8300815266177807,
+          0.6952780263137049,
+          0.6457622939677286
+        ],
+        "axes": [
+          0.15581079967648,
+          0.15581079967648,
+          0.15581079967648
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.10957459936953315
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2477,
+    "n_edges": 14361,
+    "n_faces": 22395,
+    "n_tetrahedra": 10510,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.48747172951698303,
+    "p01": 0.638040320277214,
+    "mean": 0.856992244720459,
+    "maximum": 0.9995242357254028
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_A/test_iid/PA_test_iid_0193_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0193_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 293734533,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          1.5206262790545866,
+          0.6939375044887633,
+          0.0
+        ],
+        "end": [
+          1.5206262790545866,
+          0.6939375044887633,
+          1.0
+        ],
+        "radius": 0.11722688748908722
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.498042337704995,
+          0.48935368198656376,
+          0.6753227903676644
+        ],
+        "axes": [
+          0.14777449750746732,
+          0.14777449750746732,
+          0.14777449750746732
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.17690271212486827
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2541,
+    "n_edges": 14823,
+    "n_faces": 23209,
+    "n_tetrahedra": 10926,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.4614673852920532,
+    "p01": 0.6587197780609131,
+    "mean": 0.8630048036575317,
+    "maximum": 0.9978529810905457
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}

TopoBox-3D/protocol_A/test_iid/PA_test_iid_0194_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0194_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1254051535,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          1.6391344604765687,
+          0.6056945534549505,
+          0.0
+        ],
+        "end": [
+          1.6391344604765687,
+          0.6056945534549505,
+          1.0
+        ],
+        "radius": 0.13242362294196905
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.8084978750812968,
+          0.5925322089599487,
+          0.6494745857083724
+        ],
+        "axes": [
+          0.13525665385588634,
+          0.13525665385588634,
+          0.13525665385588634
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.2152687604357413
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2538,
+    "n_edges": 14839,
+    "n_faces": 23263,
+    "n_tetrahedra": 10961,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.4201819896697998,
+    "p01": 0.6683207035064698,
+    "mean": 0.8652810454368591,
+    "maximum": 0.9991363883018494
+  },
+  "boundary_encoding": {
+    "boundary_mask": "bit flags: outer=1, tunnel=2, cavity=4; 0 means interior",
+    "distance_sentinel": 2.5,
+    "distance_note": "Distances are nearest-node approximations in box-length units; 2.5 means that boundary class is absent.",
+    "geometry_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "analytic_sdf_sign": "positive in the material domain; negative inside a void or outside the box",
+    "ellipsoid_sdf_note": "The ellipsoid field has exact sign and zero set; magnitude uses radial surface distance.",
+    "regular_grid_resolution": [
+      32,
+      16,
+      16
+    ],
+    "regular_grid_feature_names": [
+      "x_normalized",
+      "y_normalized",
+      "z_normalized",
+      "is_boundary",
+      "analytic_domain_sdf"
+    ],
+    "regular_grid_boundary_band": "abs(analytic_domain_sdf) <= 0.5 * physical voxel diagonal"
+  },
+  "tno_complex": {
+    "orientation": "canonical ascending vertices for edges/faces; tetrahedra oriented to positive volume",
+    "incidence": "COO arrays incidence_{1,2,3}_{row,col,value,shape}",
+    "chain_identity": "incidence_1 @ incidence_2 = 0 and incidence_2 @ incidence_3 = 0",
+    "harmonic_basis": "Euclidean combinatorial Hodge bases for geometry-only model setup; weighted FEEC/DEC bases are deferred to PDE generation."
+  },
+  "files": {
+    "msh": "mesh.msh",
+    "vtu": "mesh.vtu",
+    "npz": "mesh.npz"
+  }
+}