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TopoBox-3D/protocol_A/test_iid/PA_test_iid_0058_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0058_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1798014423,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.39653865797214655,
+          0.485797536253162,
+          0.0
+        ],
+        "end": [
+          0.39653865797214655,
+          0.485797536253162,
+          1.0
+        ],
+        "radius": 0.11395357923975788
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          1.0721709085413833,
+          0.37395836803430893,
+          0.540016395797942
+        ],
+        "axes": [
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+          0.16098488270504283,
+          0.16098488270504283
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.2129734853292661
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2523,
+    "n_edges": 14725,
+    "n_faces": 23050,
+    "n_tetrahedra": 10847,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.5475975871086121,
+    "p01": 0.6613106274604797,
+    "mean": 0.8624182939529419,
+    "maximum": 0.9988648891448975
+  },
+  "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_0059_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0059_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 897781756,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          1.7400007522920578,
+          0.6961188357451036,
+          0.0
+        ],
+        "end": [
+          1.7400007522920578,
+          0.6961188357451036,
+          1.0
+        ],
+        "radius": 0.1302119855085101
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.7805260681855122,
+          0.59478609468133,
+          0.5180186864444815
+        ],
+        "axes": [
+          0.1203609098372497,
+          0.1203609098372497,
+          0.1203609098372497
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.12978726219943215
+  },
+  "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": 14774,
+    "n_faces": 23122,
+    "n_tetrahedra": 10883,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.5416850447654724,
+    "p01": 0.6560673606395722,
+    "mean": 0.8656671643257141,
+    "maximum": 0.9997998476028442
+  },
+  "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_0060_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0060_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1686776956,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.6672783428936102,
+          0.5458552392388558,
+          0.0
+        ],
+        "end": [
+          0.6672783428936102,
+          0.5458552392388558,
+          1.0
+        ],
+        "radius": 0.10919055757406716
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          1.583378096408596,
+          0.5219158481167975,
+          0.649335786683249
+        ],
+        "axes": [
+          0.13466357536969703,
+          0.13466357536969703,
+          0.13466357536969703
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.21600063794705399
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2577,
+    "n_edges": 15124,
+    "n_faces": 23757,
+    "n_tetrahedra": 11209,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.5444117784500122,
+    "p01": 0.6697279405593872,
+    "mean": 0.8646356463432312,
+    "maximum": 0.9992700815200806
+  },
+  "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_0061_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0061_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 311222233,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          1.2378522859970182,
+          0.7935441087647257,
+          0.0
+        ],
+        "end": [
+          1.2378522859970182,
+          0.7935441087647257,
+          1.0
+        ],
+        "radius": 0.10012230763444645
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.9083187620326463,
+          0.43596528861032036,
+          0.37082565032164416
+        ],
+        "axes": [
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+          0.12247390136529974,
+          0.12247390136529974
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.10633358360082786
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2495,
+    "n_edges": 14562,
+    "n_faces": 22798,
+    "n_tetrahedra": 10730,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.4536481201648712,
+    "p01": 0.6472707915306092,
+    "mean": 0.8624846935272217,
+    "maximum": 0.9987871050834656
+  },
+  "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_0062_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0062_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 183701485,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.34602460599648927,
+          0.6957249909751432,
+          0.0
+        ],
+        "end": [
+          0.34602460599648927,
+          0.6957249909751432,
+          1.0
+        ],
+        "radius": 0.12301716918414557
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.9276183179504904,
+          0.31051909920723025,
+          0.3080706012679282
+        ],
+        "axes": [
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+          0.14438062635825769,
+          0.14438062635825769
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.1636899749096705
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2503,
+    "n_edges": 14516,
+    "n_faces": 22646,
+    "n_tetrahedra": 10632,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.4943322539329529,
+    "p01": 0.6512637960910798,
+    "mean": 0.8607237339019775,
+    "maximum": 0.9988774657249451
+  },
+  "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_0063_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0063_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 370532786,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          1.7301928984117037,
+          0.45824177212588485,
+          0.0
+        ],
+        "end": [
+          1.7301928984117037,
+          0.45824177212588485,
+          1.0
+        ],
+        "radius": 0.10486817971220766
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.3673597247657099,
+          0.42030558166974263,
+          0.6320902650341814
+        ],
+        "axes": [
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+          0.13629379251622675,
+          0.13629379251622675
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.1649389218760887
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2440,
+    "n_edges": 14152,
+    "n_faces": 22087,
+    "n_tetrahedra": 10374,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.4785650968551636,
+    "p01": 0.6611396706104279,
+    "mean": 0.861646294593811,
+    "maximum": 0.9984385967254639
+  },
+  "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_0064_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0064_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 672122504,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.866224834397714,
+          0.223233281549817,
+          0.0
+        ],
+        "end": [
+          0.866224834397714,
+          0.223233281549817,
+          1.0
+        ],
+        "radius": 0.11048065262404339
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.3574369400567482,
+          0.4275686852719724,
+          0.6805270377562117
+        ],
+        "axes": [
+          0.15611225236364884,
+          0.15611225236364884,
+          0.15611225236364884
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.11275262892577362
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2449,
+    "n_edges": 14173,
+    "n_faces": 22075,
+    "n_tetrahedra": 10350,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.4727225601673126,
+    "p01": 0.6393322908878326,
+    "mean": 0.8572379946708679,
+    "maximum": 0.9985738396644592
+  },
+  "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_0065_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0065_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1774877083,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          1.7151929011990676,
+          0.5974376422355072,
+          0.0
+        ],
+        "end": [
+          1.7151929011990676,
+          0.5974376422355072,
+          1.0
+        ],
+        "radius": 0.1009067287136839
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.9451901180828275,
+          0.5691278976676852,
+          0.5427368173591491
+        ],
+        "axes": [
+          0.15751478684292103,
+          0.15751478684292103,
+          0.15751478684292103
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.18390037008724847
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2545,
+    "n_edges": 14921,
+    "n_faces": 23421,
+    "n_tetrahedra": 11044,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.5085670948028564,
+    "p01": 0.6689916223287582,
+    "mean": 0.863530158996582,
+    "maximum": 0.9989456534385681
+  },
+  "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_0066_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0066_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 590866546,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          1.3286817051718713,
+          0.29237935546566235,
+          0.0
+        ],
+        "end": [
+          1.3286817051718713,
+          0.29237935546566235,
+          1.0
+        ],
+        "radius": 0.1253653694552931
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.7396118206841535,
+          0.43697431626972155,
+          0.6218983886022308
+        ],
+        "axes": [
+          0.14686367536064115,
+          0.14686367536064115,
+          0.14686367536064115
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.16701398601036924
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2599,
+    "n_edges": 15178,
+    "n_faces": 23786,
+    "n_tetrahedra": 11206,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.5541205406188965,
+    "p01": 0.6739456713199615,
+    "mean": 0.8671799302101135,
+    "maximum": 0.9985535740852356
+  },
+  "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_0067_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0067_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 327388548,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.6044940147169278,
+          0.540649244452843,
+          0.0
+        ],
+        "end": [
+          0.6044940147169278,
+          0.540649244452843,
+          1.0
+        ],
+        "radius": 0.1315998986081338
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.9170352107040275,
+          0.7582351478567633,
+          0.4095021135145588
+        ],
+        "axes": [
+          0.13145210906290838,
+          0.13145210906290838,
+          0.13145210906290838
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.11031274308032835
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2416,
+    "n_edges": 13935,
+    "n_faces": 21685,
+    "n_tetrahedra": 10165,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.5439438819885254,
+    "p01": 0.6608396172523499,
+    "mean": 0.8584909439086914,
+    "maximum": 0.9994474649429321
+  },
+  "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_0068_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0068_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1760337651,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.46916092279703914,
+          0.4356413767220395,
+          0.0
+        ],
+        "end": [
+          0.46916092279703914,
+          0.4356413767220395,
+          1.0
+        ],
+        "radius": 0.11791464030236591
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          1.3074313156320736,
+          0.7444967315117765,
+          0.7085578481035222
+        ],
+        "axes": [
+          0.15130114425174843,
+          0.15130114425174843,
+          0.15130114425174843
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.10420212423647504
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2562,
+    "n_edges": 14954,
+    "n_faces": 23419,
+    "n_tetrahedra": 11026,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.5484997034072876,
+    "p01": 0.6619864702224731,
+    "mean": 0.8616425395011902,
+    "maximum": 0.9991763830184937
+  },
+  "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_0069_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0069_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1440758747,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.7624178591120988,
+          0.7086611318694759,
+          0.0
+        ],
+        "end": [
+          0.7624178591120988,
+          0.7086611318694759,
+          1.0
+        ],
+        "radius": 0.13045418855898344
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.3644833847511669,
+          0.713011677692676,
+          0.640533137213252
+        ],
+        "axes": [
+          0.14819049379993796,
+          0.14819049379993796,
+          0.14819049379993796
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.11931357315774829
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2443,
+    "n_edges": 14141,
+    "n_faces": 22019,
+    "n_tetrahedra": 10320,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.5295922756195068,
+    "p01": 0.6578823524713516,
+    "mean": 0.8593374490737915,
+    "maximum": 0.9987608790397644
+  },
+  "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_0070_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0070_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 9338714,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.7312063041629699,
+          0.6911676588950065,
+          0.0
+        ],
+        "end": [
+          0.7312063041629699,
+          0.6911676588950065,
+          1.0
+        ],
+        "radius": 0.11752975034629265
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          1.7304758026375007,
+          0.548134705339278,
+          0.569287204473738
+        ],
+        "axes": [
+          0.16066842837525686,
+          0.16066842837525686,
+          0.16066842837525686
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.10885576898724247
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2623,
+    "n_edges": 15320,
+    "n_faces": 23995,
+    "n_tetrahedra": 11297,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.460555762052536,
+    "p01": 0.6511164569854736,
+    "mean": 0.861745297908783,
+    "maximum": 0.9979626536369324
+  },
+  "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_0071_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0071_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 412125941,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.5491830039806349,
+          0.6029195959083684,
+          0.0
+        ],
+        "end": [
+          0.5491830039806349,
+          0.6029195959083684,
+          1.0
+        ],
+        "radius": 0.11539448908225401
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          1.5098438011259407,
+          0.44601587408103394,
+          0.3845410242451356
+        ],
+        "axes": [
+          0.1469365011239805,
+          0.1469365011239805,
+          0.1469365011239805
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.2376045231211551
+  },
+  "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": 14846,
+    "n_faces": 23278,
+    "n_tetrahedra": 10969,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.5571509599685669,
+    "p01": 0.6535080742835998,
+    "mean": 0.8613649606704712,
+    "maximum": 0.9969690442085266
+  },
+  "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_0072_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0072_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 859905206,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          1.5026257110222063,
+          0.23943523544028644,
+          0.0
+        ],
+        "end": [
+          1.5026257110222063,
+          0.23943523544028644,
+          1.0
+        ],
+        "radius": 0.11190410153115846
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.6726969093975473,
+          0.3576639419887457,
+          0.6387163843449164
+        ],
+        "axes": [
+          0.12354088419355082,
+          0.12354088419355082,
+          0.12354088419355082
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.12753113390912799
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2592,
+    "n_edges": 15145,
+    "n_faces": 23742,
+    "n_tetrahedra": 11188,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.4662967324256897,
+    "p01": 0.6517721039056777,
+    "mean": 0.863506019115448,
+    "maximum": 0.9976754188537598
+  },
+  "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_0073_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0073_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1676990835,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.3803074110386904,
+          0.6052653212844297,
+          0.0
+        ],
+        "end": [
+          0.3803074110386904,
+          0.6052653212844297,
+          1.0
+        ],
+        "radius": 0.11012218488960135
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          1.0497747604440444,
+          0.4314027695194247,
+          0.30323767172368354
+        ],
+        "axes": [
+          0.156253765508791,
+          0.156253765508791,
+          0.156253765508791
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.14698390621489255
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2490,
+    "n_edges": 14522,
+    "n_faces": 22734,
+    "n_tetrahedra": 10701,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.4847845435142517,
+    "p01": 0.6708789467811584,
+    "mean": 0.8640978336334229,
+    "maximum": 0.9969005584716797
+  },
+  "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_0074_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0074_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 34684852,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          1.7283485576681898,
+          0.22073708899672276,
+          0.0
+        ],
+        "end": [
+          1.7283485576681898,
+          0.22073708899672276,
+          1.0
+        ],
+        "radius": 0.10385703400446056
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.6538518129182609,
+          0.2878987766288096,
+          0.70091172798777
+        ],
+        "axes": [
+          0.14758444394458664,
+          0.14758444394458664,
+          0.14758444394458664
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.1168800549922622
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2482,
+    "n_edges": 14422,
+    "n_faces": 22531,
+    "n_tetrahedra": 10590,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.4673928916454315,
+    "p01": 0.639215680360794,
+    "mean": 0.8624396920204163,
+    "maximum": 0.9987454414367676
+  },
+  "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_0075_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0075_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 89366614,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.2551187234386727,
+          0.6064626302842769,
+          0.0
+        ],
+        "end": [
+          0.2551187234386727,
+          0.6064626302842769,
+          1.0
+        ],
+        "radius": 0.10814646495340247
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.8102479365151477,
+          0.7622803752406446,
+          0.645897034648294
+        ],
+        "axes": [
+          0.1364996929315053,
+          0.1364996929315053,
+          0.1364996929315053
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.10121993182785008
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2433,
+    "n_edges": 14067,
+    "n_faces": 21913,
+    "n_tetrahedra": 10278,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.46357762813568115,
+    "p01": 0.6474298059940338,
+    "mean": 0.8600958585739136,
+    "maximum": 0.9991678595542908
+  },
+  "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_0076_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0076_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 2084148028,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.5705489447373173,
+          0.45879264935151476,
+          0.0
+        ],
+        "end": [
+          0.5705489447373173,
+          0.45879264935151476,
+          1.0
+        ],
+        "radius": 0.13443940853055955
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          1.1126081339572587,
+          0.5988619709244497,
+          0.3958245367570993
+        ],
+        "axes": [
+          0.15464185230356575,
+          0.15464185230356575,
+          0.15464185230356575
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.24118268445353352
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2542,
+    "n_edges": 14759,
+    "n_faces": 23041,
+    "n_tetrahedra": 10823,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.5464227199554443,
+    "p01": 0.6582002460956573,
+    "mean": 0.8614844083786011,
+    "maximum": 0.9993333220481873
+  },
+  "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_0077_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0077_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1385563335,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.48496977663260593,
+          0.538201645499415,
+          0.0
+        ],
+        "end": [
+          0.48496977663260593,
+          0.538201645499415,
+          1.0
+        ],
+        "radius": 0.12627804378069998
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          1.4780799046719342,
+          0.7209455428440202,
+          0.5782829939775721
+        ],
+        "axes": [
+          0.12586156888169936,
+          0.12586156888169936,
+          0.12586156888169936
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.1531928882742804
+  },
+  "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": 14781,
+    "n_faces": 23146,
+    "n_tetrahedra": 10900,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.5475519895553589,
+    "p01": 0.6673119455575943,
+    "mean": 0.8650768995285034,
+    "maximum": 0.9993665218353271
+  },
+  "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_0078_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0078_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 243341158,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          1.2935205837579051,
+          0.3282055222042319,
+          0.0
+        ],
+        "end": [
+          1.2935205837579051,
+          0.3282055222042319,
+          1.0
+        ],
+        "radius": 0.13112400933297289
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.6838697504458149,
+          0.3144823385073191,
+          0.7581396731436898
+        ],
+        "axes": [
+          0.1396680245811214,
+          0.1396680245811214,
+          0.1396680245811214
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.1021923022751888
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2551,
+    "n_edges": 14856,
+    "n_faces": 23230,
+    "n_tetrahedra": 10924,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.5173030495643616,
+    "p01": 0.6652874445915222,
+    "mean": 0.8620761632919312,
+    "maximum": 0.9991881251335144
+  },
+  "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_0079_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0079_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1576247437,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.9032661169392124,
+          0.34546201481200134,
+          0.0
+        ],
+        "end": [
+          0.9032661169392124,
+          0.34546201481200134,
+          1.0
+        ],
+        "radius": 0.1248385241973048
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.7659084140576335,
+          0.7137634478805088,
+          0.3107986360786022
+        ],
+        "axes": [
+          0.12059206324342481,
+          0.12059206324342481,
+          0.12059206324342481
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.1476509360899757
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2504,
+    "n_edges": 14550,
+    "n_faces": 22724,
+    "n_tetrahedra": 10677,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.5395230054855347,
+    "p01": 0.6561616015434265,
+    "mean": 0.8623218536376953,
+    "maximum": 0.9967231154441833
+  },
+  "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_0080_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0080_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 711482773,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          0.5716980699101002,
+          0.6091656109786419,
+          0.0
+        ],
+        "end": [
+          0.5716980699101002,
+          0.6091656109786419,
+          1.0
+        ],
+        "radius": 0.1209428706991447
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          1.549911806166582,
+          0.2900505718501897,
+          0.4075096969718869
+        ],
+        "axes": [
+          0.14912800408288684,
+          0.14912800408288684,
+          0.14912800408288684
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.14092256776730283
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2530,
+    "n_edges": 14751,
+    "n_faces": 23089,
+    "n_tetrahedra": 10867,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.49743255972862244,
+    "p01": 0.6750591123104095,
+    "mean": 0.8657631278038025,
+    "maximum": 0.9988285303115845
+  },
+  "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_0081_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0081_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1954024166,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          1.1876089033663182,
+          0.31503522329064426,
+          0.0
+        ],
+        "end": [
+          1.1876089033663182,
+          0.31503522329064426,
+          1.0
+        ],
+        "radius": 0.11045214614263012
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.377827161594775,
+          0.6260774447144343,
+          0.6128664093649476
+        ],
+        "axes": [
+          0.1492961498559739,
+          0.1492961498559739,
+          0.1492961498559739
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.20458307714801416
+  },
+  "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": 14809,
+    "n_faces": 23188,
+    "n_tetrahedra": 10916,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.5580194592475891,
+    "p01": 0.6563162446022034,
+    "mean": 0.8644574880599976,
+    "maximum": 0.9987591505050659
+  },
+  "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_0082_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_test_iid_0082_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "test_iid",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 588464240,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
+        "kind": "circular_cylinder",
+        "start": [
+          1.3852073587168001,
+          0.4028516786558155,
+          0.0
+        ],
+        "end": [
+          1.3852073587168001,
+          0.4028516786558155,
+          1.0
+        ],
+        "radius": 0.11184388083853426
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.8016950181679084,
+          0.7076506736621557,
+          0.4798692902325728
+        ],
+        "axes": [
+          0.15421327703516607,
+          0.15421327703516607,
+          0.15421327703516607
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.1381360493026782
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2530,
+    "n_edges": 14753,
+    "n_faces": 23089,
+    "n_tetrahedra": 10865,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.538634717464447,
+    "p01": 0.6805345010757446,
+    "mean": 0.863933801651001,
+    "maximum": 0.9995989799499512
+  },
+  "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"
+  }
+}