{
  "reader": "IfcOpenShell",
  "version": "0.8.3.post2",
  "export": "AC20-FZK-Haus-mask-59290.ifczip",
  "product": 59290,
  "ifcClass": "IfcSlab",
  "GlobalId": "2RGlQk4xH47RHK93zcTzUL",
  "changedExistingEntities": [
    59286,
    59354
  ],
  "texturedFaceSet": {
    "id": 79109,
    "triangles": 16,
    "style": 79119,
    "images": [
      "textures/6b1048f8a6d40bac0b2954c18fefa40c4ea7a96120fc2e54b7317c0e43c2bbec.png"
    ]
  },
  "retainedFaceSet": {
    "id": 79111,
    "triangles": 16,
    "style": 34488,
    "sourceStyle": true
  },
  "archiveResources": [
    "textures/6b1048f8a6d40bac0b2954c18fefa40c4ea7a96120fc2e54b7317c0e43c2bbec.png"
  ],
  "authoredTriangles": 32,
  "readerTrianglesOriginal": 32,
  "readerTrianglesExported": 41,
  "maxSurfaceDistanceMetres": {
    "authoredVerticesToOriginalSurface": 6.823937919516756e-06,
    "originalVerticesToAuthoredSurface": 1.0740865937997057e-05,
    "readerExportVerticesToOriginalSurface": 6.823937919516756e-06
  },
  "surfaceAreaSquareMetres": {
    "originalReader": 211.49950925341935,
    "authored": 211.49909276049584,
    "exportedReader": 211.15757839778865
  },
  "siblings": {
    "ifcClass": "IfcSlab",
    "count": 3,
    "unchanged": 3,
    "comparison": "IfcOpenShell world tessellation digest (vertices and faces) equal before and after"
  },
  "sourceSchemaFindings": 170,
  "exportSchemaFindings": 169,
  "newSchemaFindings": [],
  "note": "Authored face sets versus IfcOpenShell's tessellation of the original: vertex-to-surface distances and areas, sampled at the vertices, not a Hausdorff proof. The reader's own re-tessellation of the export is reported for reference."
}