{
  "source": "yuanlingPic3 TMS + output/resa.json residential polygon + OSM buildings/roads",
  "bounds": [
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    28.3917230659234,
    110.465779226663,
    28.4913038992907
  ],
  "imagery": {
    "zoom": 15,
    "westTile": 26426,
    "googleY0": 13676,
    "tmsTopY": 19091,
    "tileCount": 143,
    "width": 3328,
    "height": 2816
  },
  "coveragePolicy": "Building coverage is measured only within independently verified urban masks; this inventory is not itself a modeled-building footprint catalog.",
  "districts": [
    {
      "id": "south",
      "label": "城南",
      "bbox": [
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      ],
      "residentialIds": [
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      ],
      "residentialSqKm": 3.66,
      "osmBuildingCount": 6,
      "roadCount": 41,
      "status": "unreviewed",
      "priority": "regular-first"
    },
    {
      "id": "river-central",
      "label": "沿江老城区",
      "bbox": [
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      ],
      "residentialIds": [
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      ],
      "residentialSqKm": 6.95,
      "osmBuildingCount": 40,
      "roadCount": 62,
      "status": "unreviewed",
      "priority": "old-town-and-regular"
    },
    {
      "id": "north",
      "label": "城北",
      "bbox": [
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      ],
      "residentialIds": [
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      ],
      "residentialSqKm": 4.29,
      "osmBuildingCount": 127,
      "roadCount": 131,
      "status": "unreviewed",
      "priority": "old-town-and-regular"
    }
  ],
  "originalSources": {
    "residential": 5,
    "osmBuildings": 169,
    "osmRoads": 800,
    "water": 4,
    "osmLanduse": 6
  }
}