{
  "id": "iraq-1990",
  "name": "Iraq 1990",
  "worldSize": 4096,
  "minX": 0,
  "minZ": 0,
  "width": 2049,
  "height": 2049,
  "spacing": 2,
  "rowOrder": "south-to-north",
  "game": {
    "file": "maps/iraq-1990/iraq-1990-game-height.bin.gz",
    "encoding": "u16 height codes, planar predictor left+up-upleft, zig-zag residual, low byte plane then high byte plane, gzip",
    "heightScale": 0.03125,
    "heightOffset": -204.78125,
    "minHeight": -92.375,
    "maxHeight": 199.875,
    "source": "Worlds/Iraq/.Data/Iraq_<n>.ttile, 256 tiles of 129 x 129 samples (HGHT chunk), Iraq 1990 addon 61A56756149009FF",
    "sha256": "ba3a2a9b82d82840ea374268fa2b5ed56ca23f5c40f4fd83e64c487fa3d9012c",
    "rawSha256": "44549a1996aeb7bb53883d510ea9f0ef4660e1fa30ccd506ccd27f2d015c2205"
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  "obstacles": {
    "file": "maps/iraq-1990/iraq-1990-obstacles.bin.gz",
    "encoding": "fireTop u8 (n*n), fireTop-fireCore u8 (n*n), allTop u8 (n*n), class u8 per cell with fireTop>0, class u8 per cell with allTop>0 (raster order); gzip",
    "quantMeters": 0.25,
    "biasMeters": 4.0,
    "reference": "absolute top = terrain sample of the same cell + code * quantMeters - biasMeters (rounded up to quantMeters; the bias keeps objects on the lower half of a sloping cell); 0 = nothing above the ground, 255 = at least 255 * quantMeters - biasMeters above the sample",
    "cellSemantics": "square of side spacing centred on the terrain sample (i, j)",
    "fire": "colliders on the FireGeometry layer (damage and projectile tracing) and colliders whose layer preset could not be read; highest surface anywhere in the cell, and the height reached by >= 4 of the 16 0.5 m sub-cells (core)",
    "all": "every collider, including foliage hulls and physics-only shapes; highest surface anywhere in the cell",
    "classes": [
      "none",
      "tree",
      "bush",
      "building",
      "wall",
      "rock",
      "debris",
      "military",
      "infrastructure",
      "vehicle",
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    "cellsFireCore": 561084,
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    "instances": 428194,
    "distinctModels": 1457,
    "sha256": "fa6ed4d0041f007640df8fcd024d492d2a766ccb3d1bf95e6f0182aab6adfdb5",
    "report": {
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        "byClass": {
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          },
          "military": {
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          "infrastructure": {
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          "prop": {
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            "max": 25.25
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        "instanceHeightByClass": {
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          },
          "bush": {
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          "building": {
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          "wall": {
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            "p95": 2.96,
            "max": 4.15
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          "rock": {
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            "max": 36.1
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          "debris": {
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            "p50": 1.52,
            "p95": 3.43,
            "max": 16.36
          },
          "military": {
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            "p50": 1.31,
            "p95": 1.37,
            "max": 5.94
          },
          "infrastructure": {
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            "p50": 0.15,
            "p95": 8.1,
            "max": 47.0
          },
          "prop": {
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            "p50": 0.94,
            "p95": 2.19,
            "max": 4.0
          },
          "other": {
            "instances": 59015,
            "p50": 1.83,
            "p95": 14.21,
            "max": 39.26
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        }
      },
      "all": {
        "cellsWithObstacle": 1200172,
        "saturatedCells": 11,
        "byClass": {
          "tree": {
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            "p50": 8.5,
            "p95": 12.25,
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          },
          "bush": {
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          "building": {
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          "wall": {
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          "rock": {
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            "p50": 2.0,
            "p95": 13.5,
            "max": 39.5
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          "debris": {
            "cells": 2226,
            "p50": 1.75,
            "p95": 12.0,
            "max": 15.75
          },
          "military": {
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            "p50": 1.5,
            "p95": 3.0,
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          },
          "infrastructure": {
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            "p50": 5.0,
            "p95": 22.0,
            "max": 59.75
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          "prop": {
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            "p50": 2.75,
            "p95": 16.0,
            "max": 25.25
          },
          "other": {
            "cells": 134196,
            "p50": 9.5,
            "p95": 15.75,
            "max": 49.25
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        },
        "instanceHeightByClass": {
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            "p50": 5.4,
            "p95": 12.27,
            "max": 22.05
          },
          "bush": {
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            "p95": 3.57,
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          "building": {
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          "wall": {
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          "rock": {
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            "p50": 0.6,
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          "debris": {
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            "p50": 1.52,
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            "max": 16.36
          },
          "military": {
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          "infrastructure": {
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            "p50": 0.15,
            "p95": 8.1,
            "max": 47.2
          },
          "prop": {
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            "p50": 0.93,
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            "max": 4.0
          },
          "other": {
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            "p50": 1.83,
            "p95": 14.21,
            "max": 39.26
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        }
      },
      "instancesWithoutFireGeometryByClass": {
        "debris": 3,
        "other": 597,
        "prop": 377,
        "bush": 146468,
        "wall": 4,
        "tree": 11
      },
      "modelsWithUnreadLayersInstances": 45641
    }
  },
  "subcells": {
    "file": "maps/iraq-1990/iraq-1990-subcells.bin.gz",
    "encoding": "fire set then all set: 16 u8 per cell with top>0 in raster order, index sz*4+sx (south row, west column first); u8 = cellTop - subCode for an occupied sub-cell, 255 = empty; gzip",
    "subdivisions": 4,
    "subMeters": 0.5,
    "cellsFire": 743280,
    "cellsAll": 1200172,
    "bytes": 31095232,
    "sha256": "03f28421cc744849b0ab44d48370f32862ae3987535132183f9a6eea8db143c4"
  },
  "worldSource": {
    "addon": "Iraq 1990",
    "modId": "61A56756149009FF",
    "version": "1.0.21",
    "license": "Arma Public License (APL)",
    "overlays": null,
    "dataPakSha256": "b194a404be77dc54c103ebc020bf6901eec4d977466e48765d10b9492d4f6cef",
    "basis": "game files read directly: terrain tiles, world layers and the collision geometry of every placed model; see docs/world-data.md"
  },
  "referenceSource": null,
  "referenceVersion": null,
  "referenceCellSize": 10,
  "referenceColumns": 1024,
  "referenceRows": 1024,
  "referenceSha256": null,
  "mapSource": null,
  "mapResolutionMetersPerPixel": 2.0,
  "mapOrigin": "pixel (px, py) covers world x = 0 + px*2 .. +2, z = 3072 - (py+1)*2 .. 3072 - py*2",
  "images": {
    "map": "maps/iraq-1990/iraq-1990-map.jpg",
    "relief": "maps/iraq-1990/iraq-1990-relief.jpg"
  },
  "imagesDerived": true,
  "defaults": {
    "gun": {
      "x": 987.3,
      "z": 987.3
    },
    "target": {
      "x": 3108.7,
      "z": 3108.7
    }
  },
  "credits": "Iraq 1990 by --JustMichael-- (Arma Public License (APL)); game content by Bohemia Interactive.",
  "retrievedAt": "2026-10-07",
  "seaLevel": 0
}