{
  "retrieved": "2026-09-08",
  "source": "https://registry.opendata.aws/terrain-tiles/",
  "format": "Terrarium R*256+G+B/256-32768 meters",
  "zoom": 11,
  "gridSpacingMeters": 137.5,
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      "sha256": "fdb54814ac771406cf747ede9b591c2c8492d9fe5ed46cfe2cdfac15daa76f78"
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  "attribution": "Mapzen; SRTM/GMTED2010 terrain data courtesy of the U.S. Geological Survey",
  "modifications": "bilinear resampling; gridSpacingMeters records sampling, not source accuracy; display scaling recorded in city metadata",
  "renderBoundsWorld": [
    -26,
    -22,
    26,
    22
  ],
  "renderExtentKm": [
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  "datumSubtractedMeters": 500,
  "heightExaggeration": 2.5,
  "osmSha256": "518949f50904670c04a937b6a3dc8c95c3ab410c4ed643e7e1977888d5be63bd",
  "riverWays": [
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    291272155,
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  ],
  "water": "Named OSM centerlines only. Widths .24/.085 world units (about189m/67m) are artistic, not mapped banks. Water ribbons draped on displayed terrain; do not imply hydraulic surface elevation. Flow follows OSM order, main river checked west-east; no discharge, velocity or flood modeling.",
  "sourceUrl": "https://www.baoji.gov.cn/col26/col95/201806/t20180627_10456.html"
}