{
  "schemaVersion": 1,
  "title": "MacRitchie forest drone orthomosaic",
  "sourceTitle": "ODM mapping rainforest",
  "sourceId": "64a6d83764adbc00012e09a8",
  "image": "/singapore/highres-forest.webp",
  "boundsXZ": [
    -3802.5,
    -5210.5,
    -3451.0,
    -4795.0
  ],
  "pixelSizeM": 0.5,
  "width": 703,
  "height": 831,
  "sourceGroundSamplingDistanceM": 0.023819353769582892,
  "sourceCrs": "EPSG:32648",
  "projection": "+proj=aeqd +lat_0=1.31 +lon_0=103.85 +datum=WGS84 +units=m",
  "acquisitionStart": "2023-07-05T22:00:00Z",
  "acquisitionEnd": "2023-07-06T14:57:52.097Z",
  "license": "CC-BY-4.0",
  "attribution": "Andreas Zwanenburg / OpenAerialMap (CC BY 4.0)",
  "source": "https://api.imagery.hotosm.org/stac/collections/openaerialmap/items/64a6d83764adbc00012e09a8",
  "sourceImage": "https://oin-hotosm-temp.s3.us-east-1.amazonaws.com/64a6d78464adbc00012e09a6/0/64a6d78464adbc00012e09a7.tif",
  "sourceImageSha256": "11b126f286b6dd4b9f35e90b9bf4eece11f87b523937105f6a64a2a3aecc945d",
  "imageBytes": 178958,
  "processing": "GDAL average resampling to 0.5m local AEQD pixels; black no-data converted to alpha; WebP quality90. Original archived separately.",
  "limits": "Only this small forest patch. Georeferencing accuracy is not independently surveyed. Image shows tree crowns, not bare ground; canopy geometry remains procedural."
}