{
  "accessed": "2026-11-01",
  "boundsWgs84": [
    120.065,
    30.16,
    120.215,
    30.3
  ],
  "terrain": {
    "dataset": "Mapzen / Tilezen Terrain Tiles",
    "zoom": 12,
    "format": "Terrarium",
    "registry": "https://registry.opendata.aws/terrain-tiles/",
    "decoder": "R*256+G+B/256-32768"
  },
  "waterGeometry": {
    "dataset": "OpenStreetMap contributors",
    "query": "[out:json][timeout:40];(\nrelation[\"natural\"=\"water\"][\"name\"=\"西湖\"](30.16,120.065,30.30,120.215);\nway[\"natural\"=\"water\"](30.16,120.065,30.30,120.215);\nway[\"waterway\"=\"river\"](30.16,120.065,30.30,120.215);\nway[\"waterway\"=\"stream\"][\"name\"](30.16,120.065,30.30,120.215);\nnode[\"natural\"=\"peak\"][\"name\"](30.16,120.065,30.30,120.215);\nnwr[\"name\"=\"相国井\"](30.16,120.065,30.30,120.215);\n);out geom;",
    "license": "ODbL 1.0",
    "source": "https://www.openstreetmap.org/copyright",
    "additionalRiverExtract": {
      "relationId": 8227206,
      "source": "https://www.openstreetmap.org/relation/8227206",
      "query": "relation[water=river](30.19,120.12,30.23,120.20); out geom;",
      "accessed": "2026-11-01"
    }
  }
}