{"generated_at":"2026-11-07T00:39:13.334291+00:00","aoi":[108.9,39.95,112.8,41.58],"population":{"total":7665790,"cells":180,"max_cell":1653934,"levels":{"0":36,"2":36,"1":36,"4":36,"3":36}},"counts":{"pois":565,"roads":9078,"buildings":1613},"sources":[{"name":"OpenStreetMap","license":"ODbL 1.0","attribution":"© OpenStreetMap contributors","url":"https://www.openstreetmap.org/copyright","layers":["osm_pois.geojson","osm_roads.geojson","osm_buildings.geojson"]},{"name":"WorldPop 2020 1km","license":"CC BY 4.0","attribution":"WorldPop (www.worldpop.org)","url":"https://www.worldpop.org/","layers":["population_grid.geojson"]},{"name":"Microsoft Planetary Computer","license":"按各 collection 标注","attribution":"Microsoft Planetary Computer / ESA / NASA / JAXA","url":"https://planetarycomputer.microsoft.com/","layers":["mpc_open_data.json","sentinel1_preview.jpg","lulc_2023_preview.jpg","alos_dem_preview.jpg"]},{"name":"AWS Terrain Tiles (Mapzen Terrarium)","license":"CC-BY 4.0 / 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建筑轮廓。"],"mpc":{"sentinel1":{"collection":"sentinel-1-rtc","item":"S1C_IW_GRDH_1SDV_20261104T222750_20261104T222815_010193_01459B_rtc","datetime":"2026-11-04T22:28:03.422805Z","license":"CC-BY-4.0","assets":["vh","vv","tilejson","rendered_preview"],"tilejson":{"tilejson":"2.2.0","version":"1.0.0","scheme":"xyz","tiles":["https://planetarycomputer.microsoft.com/api/data/v1/item/tiles/WebMercatorQuad/{z}/{x}/{y}@1x.png?collection=sentinel-1-rtc&item=S1C_IW_GRDH_1SDV_20261104T222750_20261104T222815_010193_01459B_rtc&assets=vv&assets=vh&expression=0.03%20%2B%20log%20(10e-4%20-%20log%20(0.05%20%2F%20(0.02%20%2B%202%20*%20vv)));0.05%20%2B%20exp%20(0.25%20*%20(log%20(0.01%20%2B%202%20*%20vv)%20%2B%20log%20(0.02%20%2B%205%20*%20vh)));1%20-%20log%20(0.05%20%2F%20(0.045%20-%200.9%20*%20vv))&asset_as_band=True&rescale=0,.8000&rescale=0,1.000&rescale=0,1.000&format=png"],"minzoom":0,"maxzoom":24,"bounds":[112.70878638322112,40.88748935159638,116.03846832051468,42.77597227912633],"center":[114.3736273518679,41.831730815361354,0]},"preview":"sentinel1_preview.jpg"},"alos_dem":{"collection":"alos-dem","item":"ALPSMLC30_N041E112_DSM","datetime":"2016-12-07T00:00:00Z","license":"JAXA 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other","assets":["so2"]},"lulc_2017":{"collection":"io-lulc-annual-v02","item":"49T-2017","license":"CC-BY-4.0","preview":"lulc_2017_preview.jpg"}},"dem":{"path":"dem_aoi.tif","crs":"EPSG:3857","width":3072,"height":1792,"pixel_m":48.7,"bounds_wgs84":{"south":39.95,"west":108.9,"north":41.58,"east":112.8}},"arcgis":{"generated_at":"2026-11-07T09:15:44","thematic_map":"arcgis_open_data_map.png","terrain_3d":"arcgis_terrain_3d.png","engine":"ArcGIS Pro 3.5 / ArcPy","notes":["专题图为 ArcGIS Pro 导出；3D 地形为本地 DEM 透视渲染。","ArcGIS Pro Scene 相机在无界面 ArcPy 会话中不可写，未将其伪造成 ArcGIS 3D 截图。"],"attribution":["© OpenStreetMap contributors (ODbL 1.0)","WorldPop 2020 (CC BY 4.0)","Microsoft Planetary Computer / ESA / NASA / JAXA","AWS Terrain Tiles / Mapzen Terrarium"]},"attribution":"© OpenStreetMap contributors (ODbL) · WorldPop (CC BY 4.0) · Microsoft Planetary Computer · AWS Terrain Tiles"}