{
  "schema": 1,
  "version": "0.21.0",
  "models": [
    {
      "id": "xinhua-bookstore-reference",
      "name": "新华书店参考样楼",
      "city": "yuyang",
      "reference": true,
      "footprintId": null,
      "point": [
        39.35487174029486,
        -10.088374667863969
      ],
      "yawRadians": -1.0885750025669747,
      "rings": [
        [
          [
            39.35321968875301,
            -10.10507265354198
          ],
          [
            39.367651537030305,
            -10.077501361310729
          ],
          [
            39.35588589561543,
            -10.071342783382628
          ],
          [
            39.341454047338125,
            -10.098914075613878
          ],
          [
            39.35321968875301,
            -10.10507265354198
          ]
        ]
      ],
      "supportLocalPoints": [
        [
          -15.56,
          -6.28
        ],
        [
          15.56,
          -6.28
        ],
        [
          15.56,
          7
        ],
        [
          -15.56,
          7
        ],
        [
          -15.56,
          -6.28
        ]
      ],
      "modelHeightM": 7.165996551513672,
      "heightMeaning": "Visual construction estimate; not surveyed.",
      "asset": {
        "url": "/data/landmarks-v21/xinhua-bookstore.glb",
        "bytes": 1211760,
        "sha256": "9275bd1a56f407fc682ec279be403b312822edeb8868a3ccc72022c1fe5a0231",
        "triangles": 31796,
        "primitives": 11,
        "images": 0,
        "boundsM": [
          [
            -15.563519477844238,
            -1.1920929132713809e-8,
            -6.275041103363037
          ],
          [
            15.563519477844238,
            7.165996551513672,
            7
          ]
        ]
      },
      "recipe": {
        "version": "0.21.0",
        "units": "metres; construction estimates, not measured",
        "width": 29.6,
        "wallDepth": 9.1,
        "frontWallZ": 4.1,
        "backWallZ": -5,
        "columnZ": 5.4,
        "platformHeight": 0.6,
        "wallTop": 4.3,
        "eaveHeight": 4.65,
        "ridgeHeight": 6.75,
        "roofHalfWidth": 15.5,
        "roofHalfDepth": 6.25,
        "ridgeHalfWidth": 11.9,
        "bays": 8,
        "columnRadius": 0.17,
        "stepCount": 3,
        "backWindows": 5,
        "tileSpacing": 0.23,
        "palette": {
          "stone": "#b7afa0",
          "wall": "#d7d4c6",
          "red": "#873e34",
          "wood": "#74382e",
          "roof": "#787d77",
          "tile": "#94968a",
          "dark": "#333c37",
          "jade": "#365e54",
          "blue": "#365669",
          "gold": "#bea971",
          "glass": "#75847a"
        },
        "basis": {
          "width": "CBC 9.jpg: main front axes approximately x=239..665; total 42030 mm chain x=239..842. 426/603*42.03 ~= 29.7 m. Adopt 29.6 m; +/-1.5 m working range. Proposed plan, not surveyed existing facade.",
          "roof": "CBC 11.png and 7.png: grey tiles and shallow hipped silhouette; hidden end and rear slopes are simplified. Eave/ridge heights are visual estimates.",
          "facade": "CBC 11.png: red columns, blue-green fascia, red lattice doors, raised stone steps. Eight bays and repeated joinery are a modelling approximation, not a verified column inventory.",
          "back": "CBC 7.png: white rear wall and small openings. Five repeated windows simplify the visible character; their exact locations and the rear ground level are unknown.",
          "omitted": "Courtyard, entrance gate, proposed arches, side offices, roof interiors, trees, temporary boards and vehicles are not reconstructed."
        }
      },
      "placement": {
        "status": "reference_scene_placement",
        "anchor": "w863489914",
        "frame": "Clock short axis east / long axis north, metres",
        "planEstimateStreetM": [
          16,
          -10
        ],
        "displayedStreetM": [
          22.5,
          -10
        ],
        "workingUncertaintyM": 8,
        "uncertaintyMeaning": "Working allowance, not a statistical error bound",
        "planPixels": {
          "clockRoofCentre": [
            350,
            525
          ],
          "bookstoreRoofCentre": [
            490,
            541
          ],
          "approxPixelsPerMetre": 7.5
        },
        "method": "CBC 6.jpg schematic roof centres, approximate scale from 9.jpg front dimensions. Not an orthophoto or registered survey.",
        "displayAdjustment": "Display moved 6.5 m east of the rough plan estimate to avoid intersecting the existing unsurveyed tower staircase. A reversible scene placement; this gap must not be used as a real-world distance.",
        "sourceExclusions": []
      },
      "evidence": {
        "sourceURL": "https://www.sohu.com/a/739742832_120355995",
        "publisher": "CBC建筑中心",
        "publicationDate": "2023-11-28",
        "photoDate": null,
        "photos": [
          "7.png",
          "11.png"
        ],
        "designReferences": [
          "6.jpg",
          "9.jpg"
        ],
        "rights": "Photographs retained in local research only; no source images or traced artwork in the model or public package."
      },
      "limits": [
        "照片拍摄日期未知，不能视为 2026 年现状。",
        "坐标与尺寸为参考摆放和制作估计，没有绑定实测或唯一来源轮廓。",
        "相对钟楼的间距经过防穿插调整，不能用于现场量距。",
        "背墙开口简化；院落、院门、侧翼及改造新构筑物未重建。",
        "地面按约 47 米 DEM 支撑，台阶和前后地坪高差仍待现场核对。"
      ]
    }
  ]
}