{
  "id": "S2C_49RDN_20261011_0_L2A",
  "datetime": "2026-10-11T03:29:54.825000Z",
  "classification": "Actual historical Sentinel-2 L2A true-colour satellite image; not scenic photography or current conditions",
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    "south": 29.28,
    "east": 110.56,
    "north": 29.44
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  "rowOrder": "north-to-south",
  "columnOrder": "west-to-east",
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    0.0,
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  "pixelConvention": "Pixel-area: outer edges equal geographic bounds, samples at half-texel centres; terrain uses inclusive vertex bounds",
  "source": {
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    "nativeReadPixelMeters": [
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      10.0
    ],
    "overviewIndex": null,
    "fullShape": [
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    "window": {
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      "rowOffset": 4310,
      "width": 1564,
      "height": 1783
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    "clippedShape": [
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    "wholeSceneBytesNotDownloaded": 305496705,
    "stacItem": "https://earth-search.aws.element84.com/v1/collections/sentinel-2-l2a/items/S2C_49RDN_20261011_0_L2A",
    "tci": "https://sentinel-cogs.s3.us-west-2.amazonaws.com/sentinel-s2-l2a-cogs/49/R/DN/2026/10/S2C_49RDN_20261011_0_L2A/TCI.tif",
    "scl": "https://sentinel-cogs.s3.us-west-2.amazonaws.com/sentinel-s2-l2a-cogs/49/R/DN/2026/10/S2C_49RDN_20261011_0_L2A/SCL.tif"
  },
  "sourceAsset": "https://sentinel-cogs.s3.us-west-2.amazonaws.com/sentinel-s2-l2a-cogs/49/R/DN/2026/10/S2C_49RDN_20261011_0_L2A/TCI.tif",
  "stacItem": "https://earth-search.aws.element84.com/v1/collections/sentinel-2-l2a/items/S2C_49RDN_20261011_0_L2A",
  "sourceSun": {
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    "view:sun_elevation": 51.3487793789531
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  "nativeSourcePixelMeters": 10,
  "outputApproximatePixelMeters": {
    "eastWest": 10.106375531308077,
    "northSouth": 11.59578029096601
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  "noDataPixels": 34,
  "coverageFraction": 0.999985588921441,
  "validityMethod": "Actual source dataset_mask reprojected nearest; exact blackRGB alone is not called missing data",
  "rgbZeroPixels": 3,
  "runtime": {
    "url": "/natural-atlas/wulingyuan-region-01/imagery-sentinel-2026-10-11-native10m.webp",
    "file": "imagery-sentinel-2026-10-11-native10m.webp",
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    "sha256": "b6c905e76cd8901e6a6f64e524b11c2052b33966d3ba31f511dca2ed7d9e11a4"
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  "processing": "Read actual native10m TCI samples, not an overview. Single date, exact crop, bilinear geographic reprojection and WebP compression only; no recolouring, sharpening, cloud removal, replacement or synthetic detail.",
  "license": {
    "name": "Copernicus Sentinel Data legal notice; free/full/open with source notice, not CC0",
    "url": "https://cds.climate.copernicus.eu/licences/ec-sentinel",
    "credit": "Contains modified Copernicus Sentinel data 2026",
    "provider": "ESA/Copernicus; Element84 AWS Earth Search COG mirror",
    "registry": "https://registry.opendata.aws/sentinel-2-l2a-cogs/"
  },
  "localSceneClassification": {
    "id": "S2C_49RDN_20261011_0_L2A",
    "datetime": "2026-10-11T03:29:54.825000Z",
    "wholeTileCloudPercent": 7.6e-05,
    "localCloudFraction": 0.0,
    "localCloudShadowFraction": 0.0,
    "localTopographicShadowFraction": 0.04692554473876953,
    "localNoDataFraction": 0.0,
    "localSnowFraction": 0.0,
    "scl": {
      "sourceAsset": "https://sentinel-cogs.s3.us-west-2.amazonaws.com/sentinel-s2-l2a-cogs/49/R/DN/2026/10/S2C_49RDN_20261011_0_L2A/SCL.tif",
      "asset": {
        "path": "sentinel-2026-10-11-scl.png",
        "bytes": 32377,
        "sha256": "aba7deb84c6f78057fad38bb1c273cc346055c9ac56b557e0d1c65470ed82135"
      },
      "nativeSourcePixelMeters": 20,
      "resampling": "Nearest neighbour categorical values, no RGB edits or filling",
      "classes": [
        {
          "value": 0,
          "label": "No data",
          "pixels": 0,
          "fraction": 0.0
        },
        {
          "value": 1,
          "label": "Saturated or defective",
          "pixels": 0,
          "fraction": 0.0
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        {
          "value": 2,
          "label": "Topographic cast shadow",
          "pixels": 49205,
          "fraction": 0.04692554473876953
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        {
          "value": 3,
          "label": "Cloud shadow",
          "pixels": 0,
          "fraction": 0.0
        },
        {
          "value": 4,
          "label": "Vegetation",
          "pixels": 972636,
          "fraction": 0.9275779724121094
        },
        {
          "value": 5,
          "label": "Not vegetated",
          "pixels": 21251,
          "fraction": 0.02026653289794922
        },
        {
          "value": 6,
          "label": "Water",
          "pixels": 1889,
          "fraction": 0.0018014907836914062
        },
        {
          "value": 7,
          "label": "Unclassified",
          "pixels": 3595,
          "fraction": 0.0034284591674804688
        },
        {
          "value": 8,
          "label": "Cloud medium probability",
          "pixels": 0,
          "fraction": 0.0
        },
        {
          "value": 9,
          "label": "Cloud high probability",
          "pixels": 0,
          "fraction": 0.0
        },
        {
          "value": 10,
          "label": "Thin cirrus",
          "pixels": 0,
          "fraction": 0.0
        },
        {
          "value": 11,
          "label": "Snow or ice",
          "pixels": 0,
          "fraction": 0.0
        }
      ],
      "cloudClassFraction": 0.0,
      "snowOrIceClassFraction": 0.0,
      "definition": "https://sentiwiki.copernicus.eu/web/s2-processing#S2Processing-ClassificationMaskGeneration",
      "warning": "Source Sen2Cor algorithm classification, not independent field validation, detailed land cover, or proof that no haze exists."
    }
  },
  "sceneClassification": {
    "url": "/natural-atlas/wulingyuan-region-01/vegetation-mask.png",
    "file": "vegetation-mask.png",
    "bytes": 14803,
    "sha256": "a0dce53f79612bd4fbe8718303a529bf4267062310cc2c50a8b08790efb0295a",
    "width": 512,
    "height": 512,
    "bounds": {
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      "south": 29.28,
      "east": 110.56,
      "north": 29.44
    },
    "crs": "EPSG:4326",
    "rowOrder": "north-to-south",
    "columnOrder": "west-to-east",
    "transform": [
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      0.0,
      -0.0003125000000000003,
      29.44
    ],
    "encoding": "uint8 raw0–11 SCL class values; not a binary0/255 mask",
    "nativeSourcePixelMeters": 20,
    "resampling": "nearest; unchanged categorical0–11 values",
    "sourceAsset": "https://sentinel-cogs.s3.us-west-2.amazonaws.com/sentinel-s2-l2a-cogs/49/R/DN/2026/10/S2C_49RDN_20261011_0_L2A/SCL.tif",
    "classes": [
      {
        "value": 0,
        "label": "No data",
        "pixels": 0,
        "fraction": 0.0
      },
      {
        "value": 1,
        "label": "Saturated or defective",
        "pixels": 0,
        "fraction": 0.0
      },
      {
        "value": 2,
        "label": "Topographic cast shadow",
        "pixels": 12290,
        "fraction": 0.04688262939453125
      },
      {
        "value": 3,
        "label": "Cloud shadow",
        "pixels": 0,
        "fraction": 0.0
      },
      {
        "value": 4,
        "label": "Vegetation",
        "pixels": 243156,
        "fraction": 0.9275665283203125
      },
      {
        "value": 5,
        "label": "Not vegetated",
        "pixels": 5336,
        "fraction": 0.020355224609375
      },
      {
        "value": 6,
        "label": "Water",
        "pixels": 476,
        "fraction": 0.0018157958984375
      },
      {
        "value": 7,
        "label": "Unclassified",
        "pixels": 886,
        "fraction": 0.00337982177734375
      },
      {
        "value": 8,
        "label": "Cloud medium probability",
        "pixels": 0,
        "fraction": 0.0
      },
      {
        "value": 9,
        "label": "Cloud high probability",
        "pixels": 0,
        "fraction": 0.0
      },
      {
        "value": 10,
        "label": "Thin cirrus",
        "pixels": 0,
        "fraction": 0.0
      },
      {
        "value": 11,
        "label": "Snow or ice",
        "pixels": 0,
        "fraction": 0.0
      }
    ],
    "use": "Class4 is source-algorithm vegetation and may constrain artistic placement; avoid classes0/1/3/6/8/9/10/11. Not a field survey, tree inventory or land-use guarantee."
  },
  "schemaVersion": 1,
  "acquisitionDate": "2026-10-11",
  "image": {
    "path": "imagery-sentinel-2026-10-11-native10m.webp",
    "file": "imagery-sentinel-2026-10-11-native10m.webp",
    "bytes": 497672,
    "sha256": "b6c905e76cd8901e6a6f64e524b11c2052b33966d3ba31f511dca2ed7d9e11a4",
    "width": 1536,
    "height": 1536
  },
  "mask": {
    "path": "vegetation-mask.png",
    "file": "vegetation-mask.png",
    "bytes": 14803,
    "sha256": "a0dce53f79612bd4fbe8718303a529bf4267062310cc2c50a8b08790efb0295a",
    "width": 512,
    "height": 512
  },
  "visualReview": {
    "id": "S2C_49RDN_20261011_0_L2A",
    "decision": "selected-regional-colour-reference",
    "reviewFile": "candidates/S2C_49RDN_20261011_0_L2A-review.jpg",
    "findings": [
      "Actual full crop inspected: continuous deep-green vegetation, distinguishable regional ridge/valley texture, roads and settlement structure; no obvious white cloud clusters or their detached shadows.",
      "Local source SCL has zero cloud, cloud shadow, no-data or snow pixels; source algorithm still marks4.69255percent topographic shadow. This is not independent field/cloud validation or a guarantee of no haze.",
      "Shadows and deep-green tone belong to this dated October acquisition. Preserve them; no summer recolouring, shadow filling, generative cleaning or invented detailed rock surfaces.",
      "Selected as historical regional satellite colour, not close-range scenic photography, PBR albedo or current conditions. No clear spring/summer full crop was established in this bounded search."
    ]
  },
  "downloadBudget": {
    "limitResponseBodyBytes": 15000000,
    "actualNewResponseBodyBytes": 14808602,
    "ledger": "design/wulingyuan-region-01/seasonal-imagery/source-cache/acquisition-ledger.json",
    "note": "Every consumed HTTP response body retained and hashed; HEAD zero body; no full scene download; wire/header overhead excluded"
  }
}