{
  "title": "Érd railway station extended concept — building, waiting room and platform access",
  "status": "PHOTO-INFORMED CONCEPT — NOT MEASURED / NOT AS-BUILT",
  "methodology": "42 building exterior, 19 waiting-room and 14 platform-access photographs visually inspected. Programmatic solid model; not photogrammetry.",
  "units": "metres",
  "glbUpAxis": "Y",
  "ifcUpAxis": "Z",
  "nominalDimensions_m": {
    "length": 22.4,
    "width": 10.2,
    "eaves": 8.4,
    "centralRidge": 11.85,
    "wallThickness": 0.38,
    "floorLevel": 4.15
  },
  "ifcSchema": "IFC4",
  "semanticCounts": {
    "IfcSlab": 9,
    "IfcWall": 13,
    "IfcBuildingElementProxy": 164,
    "IfcDoor": 7,
    "IfcOpeningElement": 31,
    "IfcWindow": 33,
    "IfcRoof": 2,
    "IfcSpace": 1,
    "IfcCovering": 2,
    "IfcFurniture": 10,
    "IfcLightFixture": 4,
    "IfcColumn": 4,
    "IfcBeam": 4,
    "IfcTransportElement": 1,
    "IfcStair": 1,
    "IfcRailing": 2,
    "IfcGeographicElement": 1
  },
  "sourcePhotoCount": 75,
  "interiorModel": {
    "space": "Fűtött utasváró",
    "storey": "Ground floor",
    "sourcePhotoCount": 19,
    "geometryStatus": "Approximate / unmeasured",
    "observedElements": [
      "tiled floor",
      "wall lining",
      "suspended ceiling",
      "benches",
      "ticket-office window",
      "ticket vending machine",
      "digital kiosk",
      "passenger information displays",
      "ceiling luminaires"
    ],
    "heating": "reported available",
    "cooling": "reported unavailable"
  },
  "photoCoverage": {
    "exterior": "42 photographs around all façades",
    "waitingRoom": "19 photographs of entrances, wall finishes, furnishings, ticket-office window, passenger equipment, floor and ceiling",
    "platformAccess": "14 photographs of canopy, underpass stairs, lift enclosure, paving, railings and furniture"
  },
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  ],
  "limitations": [
    "No reliable absolute dimensions; all scale, room extents, placements and wall thicknesses are modeling assumptions.",
    "Upper roof shape and chimney positions are partly inferred from low-angle ground images.",
    "Waiting-room finishes and equipment are photo-observed, but its envelope, dimensions and precise position are assumed. Adjacent rooms are not modeled.",
    "No measured floor slabs, foundations, hidden structure, building services or MEP connectivity.",
    "No geolocation, surveyed terrain, rail alignment, landscaping or adjacent infrastructure.",
    "Opening sizes and positions are approximate. Attic arched windows are surface-set visual assemblies; gable wall voids are not cut.",
    "GLB brick and signage textures are authored procedural textures, not texture-mapped source photographs. IFC retains solid colors, not raster textures.",
    "Windows and doors have IFC semantic classes; detailed surrounds, glazing, lanterns and drainage are grouped generic proxies.",
    "Quantities, clash checking and construction use are not reliable.",
    "Presentation ground is non-surveyed context only."
  ],
  "siteModel": {
    "sourcePhotoCount": 14,
    "geometryStatus": "Approximate / unmeasured",
    "observedElements": [
      "platform-side paving",
      "steel canopy",
      "underpass stair",
      "passenger lift enclosure",
      "railings",
      "outdoor benches",
      "waste bin"
    ]
  }
}