GDAL-RASTER-MOSAIC(1) GDAL GDAL-RASTER-MOSAIC(1) (NAME) gdal-raster-mosaic - 3.11 . (SYNOPSIS) : gdal raster mosaic [OPTIONS] ... (VRT) (). : -i, --input ( @ ) [.. ] [] [ pipeline ] -o, --output [] [ pipeline ] : -h, --help --json-usage JSON --config = [ ] -q, --quiet ( ) [ pipeline ] : -f, --of, --format, --output-format ( "GDALG" ) [ pipeline ] --co, --creation-option = [ ] [ pipeline ] --overwrite [ pipeline ] --append --append [ pipeline ] --overwrite -b, --band () ( ) [ ] --absolute-path --resolution ,|same|average|common|highest|lowest> ( CRS ) (: same) --bbox xmin,ymin,xmax,ymax ( CRS ) --target-aligned-pixels --input-nodata nodata . [.. ] --output-nodata nodata . [.. ] --hide-nodata NoData . --add-alpha . --pixel-function . PIXEL-FUNCTION=area|argmax|argmin|cmul|complex|conj|dB|dB2amp|dB2pow|diff|div|exp|expression|geometric_mean|harmonic_mean|imag|intensity|interpolate_exp|interpolate_linear|inv|log10|max|mean|median|min|mod|mode|mul|norm_diff|phase|polar|pow|quantile|real|reclassify|replace_nodata|round|scale|sqrt|sum --pixel-function-arg = () [ ] : --if, --input-format [ ] [ pipeline ] --oo, --open-option = [ ] [ pipeline ] (DESCRIPTION) GDAL VRT (Virtual Dataset) GeoTIFF . (wildcard) '*' '?' '['] VSIGlob() /vsis3/ /vsigs/ /vsiaz/ . @ ( ) . gdal raster mosaic : (projection) (color interpretation) . . GDAL 3.12 ( min mean median) (--pixel-function) . . . nodata (alpha compositing) ( 0=alpha ). . GDAL 3.12 gdal raster pipeline ..SH " GDALG ( / ) (GDALG OUTPUT (ON-THE-FLY / STREAMED DATASET))" JSON GDALG . GDALG: GDAL Streamed Algorithm (pipeline) / . (PROGRAM-SPECIFIC OPTIONS) --absolute-path 3.12.0 . VRT . ( ) VRT . --add-alpha . RGB ( ) . 0 255 . RGBA . -b, --band . 1 . . -b . --bbox ,,, (georeferenced) . . (minimum bounding box) . NODATA --output-nodata --add-alpha . --hide-nodata nodata NoData . . --add-alpha nodata . --input-nodata [,]... nodata ( ). nodata ( ) . NODATA ComplexSource . --output-nodata [,]... nodata ( ). (Example 1). nodata ( ) . NoDataValue VRTRasterBand element . None nodata . --pixel-function . Built-in Pixel Functions . . 3.12 . --pixel-function-arg = . . 3.12 . --resolution {|same|highest|lowest|average} (resolution) --resolution . same . highest . lowest . average . common 0.2 0.4 0.6. ,. . . --target-aligned-pixels ( ) --resolution . xmin / resx ymin / resy xmax / resx ymax / resy . --append (subdataset) . GTiff -- GeoTIFF File Format GPKG -- GeoPackage raster. . --co, --creation-option = (creation option) . GeoTIFF (tiled) . . . --formats . Raster drivers . --if, --input-format / () . . . . . . --oo, --open-option = ( ). . -f, --of, --format, --output-format . : gdal --formats | grep raster | grep rw | sort --overwrite (overwrite) . gdal . (EXIT STATUS) 0 ( ). (EXAMPLES) : (RGB: 0 0 255) gdal raster mosaic --hide-nodata --output-nodata=0,0,255 doq/*.tif doq_index.vrt : Cloud Optimized GeoTIFF (COG) GeoTIFF GeoTIFF 4 GB BIGTIFF=YES . gdal raster mosaic --output-format COG --creation-option BIGTIFF=YES *.tif mosaic.tif Even Rouault (COPYRIGHT) 1998-2026 August 18, 2026 GDAL-RASTER-MOSAIC(1)