Grand Canyon

run grand-canyon-20261001T185933 · generator 0.1.0+3c1a604-dirty · catalog lego-1x1-2026-10-01 · status complete

· variant

x2.0_naip_average_diffusion0.10

max height 79 plates = 252.8 mm · open whole-mountain 3D view

LEGO height (stepped, hillshaded)
LEGO height (stepped, hillshaded)
LEGO colors (1 block = 1 stud)
LEGO colors (1 block = 1 stud)
source imagery (naip)
source imagery (naip)

Summary

footprint2048.0 × 2048.0 mm (256 × 256 studs)
geographic area32.00 × 32.00 km, 125.0 m per stud, EPSG:26912
datum698.8 m (raw DEM min 692.7 m)
summit2673.5 m stud-mean at stud [184, 0] (source max 2675.6 m)
relief above datum1974.7 m
meters per plate (1×)50.000
max height x2.079 plates / 252.8 mm
color distribution — x2.0_naip_average_diffusion0.10
LDraw 7230194 studs
LDraw 2821588 studs
LDraw 2889533 studs
LDraw 841388 studs
LDraw 3711373 studs
LDraw 0961 studs
LDraw 85136 studs
LDraw 308123 studs
LDraw 2104 studs
LDraw 9267 studs
LDraw 33035 studs
LDraw 7114 studs
LDraw 198 studs
LDraw 2727 studs
LDraw 2973 studs
LDraw 781 studs
LDraw 801 studs

Sources

roleprovider / datasetdatelicense · attribution
elevationUSGS 3DEP
3DEPElevation (Bare Earth DEM Dynamic)
NonePublic domain
USGS 3D Elevation Program (3DEP)
imageryUSGS The National Map
USGSNAIPPlus (NAIP, latest mosaic)
2023-07-15Public domain
USDA FSA NAIP via USGS The National Map

Validation

PASScoverage_completenon-finite DEM px: 0; non-finite imagery px: 0
PASSdem_imagery_aligned2 grids share bounds EPSG:26912; max extent mismatch 0.000 m
PASSevery_stud_has_elevation65536 studs
PASSevery_stud_has_allowed_colorall colors in catalog
PASSno_terrain_below_datummin plates per exaggeration: {'x2.0': 0}
PASSquant_error_within_half_platemax |error| plates: {'x2.0': 0.5}
PASScatalog_colors_currently_produced17 colors used; not currently produced: []
PASSterrain_colors_plate_buildableevery used color is produced as a 1x1 plate
PASSsummit_positionDEM max in stud (183, 0); highest stud (184, 0); offset 1 stud(s)
PASSexaggeration_invariance1 exaggerations share footprint [(256, 256)] and one color array per color setting (colors are computed independently of exaggeration)
PASSviewer_written1 whole-mountain 3D viewer(s)
PASSldraw_valid:x2.0_naip_average_diffusion0.10230624 elements checked
PASSldraw_seams:x2.0_naip_average_diffusion0.10module files together equal the full model
manifest.json
{
 "schemaVersion": 1,
 "runId": "grand-canyon-20261001T185933",
 "status": "complete",
 "generatorVersion": "0.1.0+3c1a604-dirty",
 "createdAt": "2026-10-01T18:59:36+00:00",
 "preset": {
  "id": "grand-canyon",
  "name": "Grand Canyon",
  "center": {
   "lat": 36.126,
   "lon": -112.096
  },
  "boundingBox": {
   "widthKm": 32,
   "heightKm": 32
  },
  "targetStudWidth": 256,
  "moduleStudSize": 64,
  "surfaceResolutionStuds": 1,
  "verticalExaggeration": 2,
  "datumMode": "surrounding-minimum",
  "viewpoints": [
   {
    "name": "Mather Point",
    "bearingDeg": 188,
    "elevationDeg": 25
   },
   {
    "name": "North Rim",
    "bearingDeg": 28,
    "elevationDeg": 25
   },
   {
    "name": "Desert View",
    "bearingDeg": 110,
    "elevationDeg": 15
   }
  ]
 },
 "bounds": {
  "crs": "EPSG:26912",
  "minE": 385376.0,
  "minN": 3982480.0,
  "maxE": 417376.0,
  "maxN": 4014480.0,
  "metersPerStud": 125.0,
  "studWidth": 256,
  "studHeight": 256
 },
 "scale": {
  "metersPerPlateTrueScale": 50.0,
  "exaggerations": [
   2
  ]
 },
 "datum": {
  "mode": "surrounding-minimum",
  "elevationM": 698.8447100830078,
  "rawDemMinM": 692.7025146484375
 },
 "sources": [
  {
   "role": "elevation",
   "provider": "USGS 3DEP",
   "dataset": "3DEPElevation (Bare Earth DEM Dynamic)",
   "sourceUrls": [
    "https://elevation.nationalmap.gov/arcgis/rest/services/3DEPElevation/ImageServer/exportImage"
   ],
   "itemIds": [],
   "acquisitionDate": null,
   "nativeResolutionM": 1.0,
   "analysisGridPx": 2560,
   "nativeCrs": "EPSG:26912",
   "license": "Public domain",
   "attribution": "USGS 3D Elevation Program (3DEP)",
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  {
   "role": "imagery",
   "provider": "USGS The National Map",
   "dataset": "USGSNAIPPlus (NAIP, latest mosaic)",
   "sourceUrls": [
    "https://imagery.nationalmap.gov/arcgis/rest/services/USGSNAIPPlus/ImageServer/exportImage"
   ],
   "itemIds": [
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   ],
   "acquisitionDate": "2023-07-15",
   "nativeResolutionM": 0.6,
   "analysisGridPx": 3840,
   "nativeCrs": "EPSG:26912",
   "license": "Public domain",
   "attribution": "USDA FSA NAIP via USGS The National Map",
   "cacheKeys": [
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   ],
   "imageryKey": "naip",
   "notes": [
    "acquisition date cross-referenced from Planetary Computer NAIP STAC (42 items, 2023-06-28..2023-07-15)"
   ]
  }
 ],
 "catalog": {
  "version": "lego-1x1-2026-10-01",
  "sha256": "313a874bc2e3b9a52333454ffbe36a7d309261fd5b5deb0fcd496c8ef2922d2d",
  "terrainPalette": {
   "rule": "colors currently produced as 1x1 plate (3024)",
   "size": 47,
   "excluded": []
  }
 },
 "variants": [
  {
   "key": "x2.0_naip_average_diffusion0.10",
   "verticalExaggeration": 2,
   "color": {
    "imagerySource": "naip",
    "imageryDate": null,
    "sampling": "average",
    "assignment": "diffusion",
    "diffusionStrength": 0.1
   },
   "metrics": {
    "maxHeightPlates": 79,
    "maxHeightMm": 252.8,
    "colorDistribution": {
     "0": 961,
     "2": 104,
     "19": 8,
     "28": 21588,
     "71": 14,
     "72": 30194,
     "78": 1,
     "80": 1,
     "84": 1388,
     "85": 136,
     "92": 67,
     "272": 7,
     "288": 9533,
     "297": 3,
     "308": 123,
     "330": 35,
     "371": 1373
    }
   }
  }
 ],
 "summary": {
  "geographicWidthM": 32000.0,
  "geographicHeightM": 32000.0,
  "physicalWidthMm": 2048.0,
  "physicalDepthMm": 2048.0,
  "summitStud": [
   184,
   0
  ],
  "summitElevationM": 2673.511813964844,
  "summitSourceElevationM": 2675.5595703125,
  "reliefM": 1974.667103881836
 },
 "outputs": {
  "canonical": {
   "path": "canonical.npz",
   "sha256": "f3477621aa2f44ea1d69e4970558a8ea0e9a929dd4f60c336873113cf12707fc"
  },
  "preview:height-x2.0": {
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   "sha256": "3c844fbd3253736df28a4fb2cb1cf1edc347f1ddfb84501bbcc09329887966b3"
  },
  "preview:color-naip_average_diffusion0.10": {
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   "sha256": "31ba72514578318484157a10aeb1a3c2ab6aa2f850475f497a0c7664a4182f7b"
  },
  "preview:imagery-naip": {
   "path": "previews/imagery-naip.png",
   "sha256": "3879000b5cf1f63c5ef70c75b809eba5e23f8ce873a715119e6ef671d152add1"
  },
  "viewer:x2.0_naip_average_diffusion0.10": {
   "path": "viewer/x2.0_naip_average_diffusion0.10.html",
   "sha256": "034e02926bb882450585742f84348211a3396280992b22361180563a4f3b31c5"
  },
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 },
 "validation": [
  {
   "check": "coverage_complete",
   "passed": true,
   "detail": "non-finite DEM px: 0; non-finite imagery px: 0"
  },
  {
   "check": "dem_imagery_aligned",
   "passed": true,
   "detail": "2 grids share bounds EPSG:26912; max extent mismatch 0.000 m"
  },
  {
   "check": "every_stud_has_elevation",
   "passed": true,
   "detail": "65536 studs"
  },
  {
   "check": "every_stud_has_allowed_color",
   "passed": true,
   "detail": "all colors in catalog"
  },
  {
   "check": "no_terrain_below_datum",
   "passed": true,
   "detail": "min plates per exaggeration: {'x2.0': 0}"
  },
  {
   "check": "quant_error_within_half_plate",
   "passed": true,
   "detail": "max |error| plates: {'x2.0': 0.5}"
  },
  {
   "check": "catalog_colors_currently_produced",
   "passed": true,
   "detail": "17 colors used; not currently produced: []"
  },
  {
   "check": "terrain_colors_plate_buildable",
   "passed": true,
   "detail": "every used color is produced as a 1x1 plate"
  },
  {
   "check": "summit_position",
   "passed": true,
   "detail": "DEM max in stud (183, 0); highest stud (184, 0); offset 1 stud(s)"
  },
  {
   "check": "exaggeration_invariance",
   "passed": true,
   "detail": "1 exaggerations share footprint [(256, 256)] and one color array per color setting (colors are computed independently of exaggeration)"
  },
  {
   "check": "viewer_written",
   "passed": true,
   "detail": "1 whole-mountain 3D viewer(s)"
  },
  {
   "check": "ldraw_valid:x2.0_naip_average_diffusion0.10",
   "passed": true,
   "detail": "230624 elements checked"
  },
  {
   "check": "ldraw_seams:x2.0_naip_average_diffusion0.10",
   "passed": true,
   "detail": "module files together equal the full model"
  }
 ],
 "exportMode": "both",
 "ldrawCounts": {
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   "Module_A1": 8517,
   "Module_A2": 8044,
   "Module_A3": 7636,
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   "Grand_Canyon": 115312
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 }
}