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TopoBox-3D/protocol_A/train/PA_train_0208_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0208_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
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+  "geometry_family": "A",
+  "seed": 926025856,
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+    "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/train/PA_train_0209_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0209_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
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+  "geometry_family": "A",
+  "seed": 1432552401,
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+    "n_edges": 13471,
+    "n_faces": 20958,
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+  "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
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+    "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/train/PA_train_0210_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0210_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 989623004,
+  "geometry": {
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+  "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
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+    "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/train/PA_train_0211_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0211_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 387051309,
+  "geometry": {
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+  "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/train/PA_train_0212_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0212_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 850690788,
+  "geometry": {
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+    "measured_min_clearance": 0.12080369152486475
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+    "boundary_components": 2,
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+  "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/train/PA_train_0213_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0213_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1248563188,
+  "geometry": {
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+    "tunnels": [
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+    "measured_min_clearance": 0.1786019727952254
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+  "box": [
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+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2483,
+    "n_edges": 14480,
+    "n_faces": 22654,
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+    "mean": 0.8612544536590576,
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+  "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/train/PA_train_0214_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0214_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
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+  "seed": 1387727503,
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+    "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
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+    "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/train/PA_train_0215_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0215_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 210126954,
+  "geometry": {
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+        "rotation_angle": 0.0
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+    "measured_min_clearance": 0.14962933833126266
+  },
+  "box": [
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+    1.0
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+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2484,
+    "n_edges": 14517,
+    "n_faces": 22747,
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+    "p01": 0.6647736430168152,
+    "mean": 0.8638770580291748,
+    "maximum": 0.9996312856674194
+  },
+  "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
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+    "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/train/PA_train_0216_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0216_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 721424277,
+  "geometry": {
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+      {
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+          0.360048211315318,
+          0.7181600707128667,
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+        "radius": 0.11450611223067275
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+      {
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+    "measured_min_clearance": 0.16733381705646055
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+  "box": [
+    2.0,
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+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2537,
+    "n_edges": 14817,
+    "n_faces": 23213,
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+  "mesh_quality": {
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+    "p01": 0.6631847059726715,
+    "mean": 0.8616011142730713,
+    "maximum": 0.9996277689933777
+  },
+  "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/train/PA_train_0217_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0217_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 660742797,
+  "geometry": {
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+          1.5016731319212715,
+          0.4838082339886143,
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+        "radius": 0.11175804304249341
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+    "measured_min_clearance": 0.10869652752522758
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+  "box": [
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+    "beta1": 1,
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+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
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+    "n_edges": 14851,
+    "n_faces": 23310,
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+    "p01": 0.6602512246370316,
+    "mean": 0.8637887239456177,
+    "maximum": 0.9973542094230652
+  },
+  "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/train/PA_train_0218_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0218_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1399695297,
+  "geometry": {
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+          0.3106012980994708,
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+        "rotation_axis": [
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+    "measured_min_clearance": 0.1290568124032571
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+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2417,
+    "n_edges": 13916,
+    "n_faces": 21618,
+    "n_tetrahedra": 10118,
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+    "p01": 0.6590719401836396,
+    "mean": 0.8565725088119507,
+    "maximum": 0.9991152286529541
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+  "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
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+    "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/train/PA_train_0219_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0219_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 917034721,
+  "geometry": {
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+    "tunnels": [
+      {
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+          0.23126586954230746,
+          0.4857328288617537,
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+        "rotation_axis": [
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+        "rotation_angle": 0.0
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+    ],
+    "measured_min_clearance": 0.11649170458635011
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+  "box": [
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+    1.0,
+    1.0
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+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2488,
+    "n_edges": 14454,
+    "n_faces": 22583,
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+    "p01": 0.6558479368686676,
+    "mean": 0.8618239760398865,
+    "maximum": 0.9989919066429138
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+  "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/train/PA_train_0220_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0220_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 2132759394,
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+    "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/train/PA_train_0221_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0221_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
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+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 185532098,
+  "geometry": {
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+    "measured_min_clearance": 0.15796234821246952
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+  "box": [
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+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2372,
+    "n_edges": 13644,
+    "n_faces": 21189,
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+    "mean": 0.8587298393249512,
+    "maximum": 0.9987647533416748
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+  "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
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+    "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/train/PA_train_0222_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0222_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
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+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1737094276,
+  "geometry": {
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+          0.26564518983681695,
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+    "measured_min_clearance": 0.1309695015797871
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+  "box": [
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+    "beta1": 1,
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+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
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+    "n_edges": 14443,
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+    "p01": 0.6520386040210724,
+    "mean": 0.861289918422699,
+    "maximum": 0.997411847114563
+  },
+  "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/train/PA_train_0223_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0223_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1770277611,
+  "geometry": {
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+          0.5297180516728184,
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+    "measured_min_clearance": 0.12098616508029605
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+    "beta1": 1,
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+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2379,
+    "n_edges": 13735,
+    "n_faces": 21377,
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+    "p01": 0.6465360999107361,
+    "mean": 0.8594381809234619,
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+  },
+  "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/train/PA_train_0224_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0224_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 182573528,
+  "geometry": {
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+          0.23267010134889443,
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+    "measured_min_clearance": 0.12146912451817793
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+  "box": [
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+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2473,
+    "n_edges": 14300,
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+    "p01": 0.6260030269622803,
+    "mean": 0.8586217164993286,
+    "maximum": 0.9990778565406799
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+  "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
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+    "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/train/PA_train_0225_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0225_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1000167713,
+  "geometry": {
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+    "tunnels": [
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+          1.4911255547704685,
+          0.6569214857740799,
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+        "radius": 0.10795986598831604
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+    "cavities": [
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+          0.31921186856498235,
+          0.5667965800610166
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+        "rotation_axis": [
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+        "rotation_angle": 0.0
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+    ],
+    "measured_min_clearance": 0.1947167457068941
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+  "box": [
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+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2505,
+    "n_edges": 14704,
+    "n_faces": 23101,
+    "n_tetrahedra": 10901,
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+  "mesh_quality": {
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+    "p01": 0.6580632925033569,
+    "mean": 0.8636378645896912,
+    "maximum": 0.9985194802284241
+  },
+  "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/train/PA_train_0226_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0226_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 718403568,
+  "geometry": {
+    "family": "A",
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+    "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
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+    "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/train/PA_train_0227_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0227_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
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+  "beta1": 1,
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+  "geometry_family": "A",
+  "seed": 2061255488,
+  "geometry": {
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+    "measured_min_clearance": 0.11124987517706689
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+  "box": [
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+    "beta1": 1,
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+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
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+    "n_edges": 14534,
+    "n_faces": 22744,
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+  "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
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+    "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/train/PA_train_0228_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0228_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "train",
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+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 743073727,
+  "geometry": {
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+          0.469690031014101,
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+        "rotation_angle": 0.0
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+    "measured_min_clearance": 0.19518353046812267
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+  "box": [
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+    "euler_characteristic": 1,
+    "boundary_components": 2,
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+    "n_edges": 14744,
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+    "p01": 0.6663050651550293,
+    "mean": 0.8646904230117798,
+    "maximum": 0.9972832798957825
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+  "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
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+    "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/train/PA_train_0229_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0229_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1397849151,
+  "geometry": {
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+          0.9221419510335609,
+          0.2971530896646131,
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+    "measured_min_clearance": 0.16288932384993274
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+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2587,
+    "n_edges": 15079,
+    "n_faces": 23591,
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+    "p01": 0.6619721519947052,
+    "mean": 0.8620364665985107,
+    "maximum": 0.9981350302696228
+  },
+  "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/train/PA_train_0230_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0230_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1453202725,
+  "geometry": {
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+          0.41272568992409553,
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+    "measured_min_clearance": 0.13169410062713116
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+  "box": [
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+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2508,
+    "n_edges": 14552,
+    "n_faces": 22713,
+    "n_tetrahedra": 10668,
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+    "p01": 0.6675940001010895,
+    "mean": 0.8631932139396667,
+    "maximum": 0.9970359802246094
+  },
+  "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/train/PA_train_0231_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0231_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 183474814,
+  "geometry": {
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+    "tunnels": [
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+          0.7791025418376621,
+          0.6331718247313922,
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+    "cavities": [
+      {
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+          0.5051409195610499,
+          0.5449021418605817
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+        "axes": [
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+        "rotation_angle": 0.0
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+    ],
+    "measured_min_clearance": 0.23612189859902014
+  },
+  "box": [
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+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2588,
+    "n_edges": 15112,
+    "n_faces": 23666,
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+    "minimum": 0.5323221683502197,
+    "p01": 0.6711916089057922,
+    "mean": 0.8634414076805115,
+    "maximum": 0.9988906979560852
+  },
+  "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/train/PA_train_0232_b11/metadata.json

@@ -0,0 +1,114 @@
+{
+  "geometry_id": "PA_train_0232_b11",
+  "protocol": "A",
+  "protocol_name": "fixed_topology_geometry_ood",
+  "split": "train",
+  "is_ood": false,
+  "beta1": 1,
+  "beta2": 1,
+  "geometry_family": "A",
+  "seed": 1744472750,
+  "geometry": {
+    "family": "A",
+    "tunnels": [
+      {
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+        "start": [
+          1.2790388488694262,
+          0.5518151765438262,
+          0.0
+        ],
+        "end": [
+          1.2790388488694262,
+          0.5518151765438262,
+          1.0
+        ],
+        "radius": 0.10384313915134567
+      }
+    ],
+    "cavities": [
+      {
+        "kind": "sphere",
+        "center": [
+          0.5292383113022908,
+          0.42731200104167055,
+          0.39631648296972166
+        ],
+        "axes": [
+          0.1641021798332442,
+          0.1641021798332442,
+          0.1641021798332442
+        ],
+        "rotation_axis": [
+          0.0,
+          0.0,
+          1.0
+        ],
+        "rotation_angle": 0.0
+      }
+    ],
+    "measured_min_clearance": 0.23221430313647745
+  },
+  "box": [
+    2.0,
+    1.0,
+    1.0
+  ],
+  "topology": {
+    "beta0": 1,
+    "beta1": 1,
+    "beta2": 1,
+    "beta3": 0,
+    "euler_characteristic": 1,
+    "boundary_components": 2,
+    "n_vertices": 2531,
+    "n_edges": 14719,
+    "n_faces": 23016,
+    "n_tetrahedra": 10827,
+    "nonmanifold_faces": 0
+  },
+  "mesh_quality": {
+    "minimum": 0.4183179438114166,
+    "p01": 0.6592086434364319,
+    "mean": 0.8631106615066528,
+    "maximum": 0.9971346855163574
+  },
+  "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"
+  }
+}