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September 6, 2022 08:52
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[Raster GeoPackage with Custom Tile Schema] Sample on generating a Raster GeoPackage with a Custom Tile Schema with GDAL 3 #gdal #geopackage #raster
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function GetInfo { | |
param([string]$InputPath) | |
gdalinfo -json $InputPath | ConvertFrom-JSon -AsHashTable | |
} | |
function Urbana { | |
param( | |
[string]$InputPath, | |
[string]$OutputPath, | |
[String[]]$Bands=(1, 2, 3)) | |
$scale = "" | |
$bandParam = $Bands -join " -b " | |
$vrt = ($OutputPath -replace ".gpkg","") + ".vrt" | |
$warped_alpha_vrt = ($OutputPath -replace ".gpkg","") + "_warped_alpha.vrt" | |
$info = GetInfo $InputPath | |
if( | |
(($info.bands.type[0] -eq "Byte") -and ($InputPath -match '_16[bB]')) -or | |
(($info.bands.type[0] -ne "Byte") -and ($InputPath -match '_8[bB]')) | |
) { | |
Write-Host "WARNING: Name does not match Byte info in $InputPath" | |
} | |
if($info.bands.type[0] -ne "Byte") { | |
$scale = "-scale 1 65535 1 255 -ot Byte" | |
} | |
# Build a VRT with band selection and datatype scaling | |
"gdal_translate -of VRT $scale -b $bandParam $InputPath $vrt" | |
# Use gdalwarp to turn NoData values/mask to an alpha channel | |
"gdalwarp -tap -tr 0.1 0.1 -srcnodata 0 -dstalpha -of VRT $vrt $warped_alpha_vrt" | |
# Create GPKG | |
# Tiling Scheme can be used because there is a tms_OF10C.json file in the GDAL_DATA dir. | |
"gdal_translate -of GPKG -co RASTER_TABLE=tiles -co TILING_SCHEME=OF10C $warped_alpha_vrt $OutputPath" | |
# Add Overviews | |
"gdaladdo -r average $OutputPath" | |
} |
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{ | |
"title": "Esquema per Orto 25cm ICGC", | |
"abstract": "", | |
"boundingBox": { | |
"lowerCorner": [ | |
258840, | |
4225392 | |
], | |
"upperCorner": [ | |
783128, | |
4749680 | |
], | |
"crs": "http://www.opengis.net/def/crs/EPSG/0/25831", | |
"type": "BoundingBoxType" | |
}, | |
"type": "TileMatrixSetType", | |
"identifier": "OF25C", | |
"tileMatrix": [ | |
{ | |
"type": "TileMatrixType", | |
"identifier": 0, | |
"tileWidth": 256, | |
"tileHeight": 256, | |
"matrixWidth": 1, | |
"matrixHeight": 1, | |
"topLeftCorner": [ | |
258840, | |
4749680 | |
], | |
"scaleDenominator": 14628571.4285714 | |
}, | |
{ | |
"type": "TileMatrixType", | |
"identifier": 1, | |
"tileWidth": 256, | |
"tileHeight": 256, | |
"matrixWidth": 1, | |
"matrixHeight": 1, | |
"topLeftCorner": [ | |
258840, | |
4749680 | |
], | |
"scaleDenominator": 7314285.71428571 | |
}, | |
{ | |
"type": "TileMatrixType", | |
"identifier": 2, | |
"tileWidth": 256, | |
"tileHeight": 256, | |
"matrixWidth": 2, | |
"matrixHeight": 2, | |
"topLeftCorner": [ | |
258840, | |
4749680 | |
], | |
"scaleDenominator": 3657142.85714286 | |
}, | |
{ | |
"type": "TileMatrixType", | |
"identifier": 3, | |
"tileWidth": 256, | |
"tileHeight": 256, | |
"matrixWidth": 4, | |
"matrixHeight": 4, | |
"topLeftCorner": [ | |
258840, | |
4749680 | |
], | |
"scaleDenominator": 1828571.42857143 | |
}, | |
{ | |
"type": "TileMatrixType", | |
"identifier": 4, | |
"tileWidth": 256, | |
"tileHeight": 256, | |
"matrixWidth": 8, | |
"matrixHeight": 8, | |
"topLeftCorner": [ | |
258840, | |
4749680 | |
], | |
"scaleDenominator": 914285.714285714 | |
}, | |
{ | |
"type": "TileMatrixType", | |
"identifier": 5, | |
"tileWidth": 256, | |
"tileHeight": 256, | |
"matrixWidth": 16, | |
"matrixHeight": 16, | |
"topLeftCorner": [ | |
258840, | |
4749680 | |
], | |
"scaleDenominator": 457142.857142857 | |
}, | |
{ | |
"type": "TileMatrixType", | |
"identifier": 6, | |
"tileWidth": 256, | |
"tileHeight": 256, | |
"matrixWidth": 32, | |
"matrixHeight": 32, | |
"topLeftCorner": [ | |
258840, | |
4749680 | |
], | |
"scaleDenominator": 228571.428571429 | |
}, | |
{ | |
"type": "TileMatrixType", | |
"identifier": 7, | |
"tileWidth": 256, | |
"tileHeight": 256, | |
"matrixWidth": 64, | |
"matrixHeight": 64, | |
"topLeftCorner": [ | |
258840, | |
4749680 | |
], | |
"scaleDenominator": 114285.714285714 | |
}, | |
{ | |
"type": "TileMatrixType", | |
"identifier": 8, | |
"tileWidth": 256, | |
"tileHeight": 256, | |
"matrixWidth": 128, | |
"matrixHeight": 128, | |
"topLeftCorner": [ | |
258840, | |
4749680 | |
], | |
"scaleDenominator": 57142.8571428571 | |
}, | |
{ | |
"type": "TileMatrixType", | |
"identifier": 9, | |
"tileWidth": 256, | |
"tileHeight": 256, | |
"matrixWidth": 256, | |
"matrixHeight": 256, | |
"topLeftCorner": [ | |
258840, | |
4749680 | |
], | |
"scaleDenominator": 28571.4285714286 | |
}, | |
{ | |
"type": "TileMatrixType", | |
"identifier": 10, | |
"tileWidth": 256, | |
"tileHeight": 256, | |
"matrixWidth": 512, | |
"matrixHeight": 512, | |
"topLeftCorner": [ | |
258840, | |
4749680 | |
], | |
"scaleDenominator": 14285.7142857143 | |
}, | |
{ | |
"type": "TileMatrixType", | |
"identifier": 11, | |
"tileWidth": 256, | |
"tileHeight": 256, | |
"matrixWidth": 1024, | |
"matrixHeight": 1024, | |
"topLeftCorner": [ | |
258840, | |
4749680 | |
], | |
"scaleDenominator": 7142.85714285714 | |
}, | |
{ | |
"type": "TileMatrixType", | |
"identifier": 12, | |
"tileWidth": 256, | |
"tileHeight": 256, | |
"matrixWidth": 2048, | |
"matrixHeight": 2048, | |
"topLeftCorner": [ | |
258840, | |
4749680 | |
], | |
"scaleDenominator": 3571.42857142857 | |
}, | |
{ | |
"type": "TileMatrixType", | |
"identifier": 13, | |
"tileWidth": 256, | |
"tileHeight": 256, | |
"matrixWidth": 4096, | |
"matrixHeight": 4096, | |
"topLeftCorner": [ | |
258840, | |
4749680 | |
], | |
"scaleDenominator": 1785.71428571429 | |
}, | |
{ | |
"type": "TileMatrixType", | |
"identifier": 14, | |
"tileWidth": 256, | |
"tileHeight": 256, | |
"matrixWidth": 8192, | |
"matrixHeight": 8192, | |
"topLeftCorner": [ | |
258840, | |
4749680 | |
], | |
"scaleDenominator": 892.857142857143 | |
}, | |
{ | |
"type": "TileMatrixType", | |
"identifier": 15, | |
"tileWidth": 256, | |
"tileHeight": 256, | |
"matrixWidth": 16384, | |
"matrixHeight": 16384, | |
"topLeftCorner": [ | |
258840, | |
4749680 | |
], | |
"scaleDenominator": 446.428571428572 | |
}, | |
{ | |
"type": "TileMatrixType", | |
"identifier": 16, | |
"tileWidth": 256, | |
"tileHeight": 256, | |
"matrixWidth": 32768, | |
"matrixHeight": 32768, | |
"topLeftCorner": [ | |
258840, | |
4749680 | |
], | |
"scaleDenominator": 223.214285714286 | |
} | |
], | |
"supportedCRS": "http://www.opengis.net/def/crs/EPSG/0/25831" | |
} |
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