GDAL-RASTER-OVERVIEW-ADD(1) GDAL GDAL-RASTER-OVERVIEW-ADD(1) (NAME) gdal-raster-overview-add - (overview) 3.11. (SYNOPSIS) Usage: gdal raster overview add [OPTIONS] Adding overviews. Positional arguments: -i, --dataset, --input Dataset (to be updated in-place, unless --external) [required] Common Options: -h, --help Display help message and exit --json-usage Display usage as JSON document and exit --config = Configuration option [may be repeated] -q, --quiet Quiet mode (no progress bar or warning message) [not available in pipelines] Options: --overview-src Source overview dataset [may be repeated] Mutually exclusive with --levels --external Add external overviews -r, --resampling Resampling method. RESAMPLING=nearest|average|cubic|cubicspline|lanczos|bilinear|gauss|average_magphase|rms|mode --levels Levels / decimation factors [may be repeated] Mutually exclusive with --overview-src --min-size Maximum width or height of the smallest overview level. --co, --creation-option = Overview creation option [may be repeated] Advanced Options: --oo, --open-option = Open options [may be repeated] (DESCRIPTION) gdal raster overview add (overview) (downsampling) . GDAL 3.12 gdal raster overview add (pipeline) . GeoTIFF COPY_SRC_OVERVIEWS COG ( Cloud Optimized GeoTIFF) . (PROGRAM-SPECIFIC OPTIONS) --co = 3.12. . . . OverviewCreationOptionList gdal --format . GeoTIFF (sidecar) .ovr . overview creation options for GeoTIFF . --dataset ( --external ). . --external .ovr GeoTIFF. . --levels . . : o . o --min-size . --overview-src --min-size . . . --overview-src 3.12. . GDAL . GeoTIFF --external. --levels -r, --resampling {nearest|average|cubic|cubicspline|lanczos|bilinear|gauss|average_magphase|rms|mode} (resampling). nearest . TIFF -r ( RESAMPLING ) . : nearest ( ) . average NODATA . . bilinear . cubic . cubicspline B-Spline . lanczos sinc Lanczos . gauss . ... x . average_magphase / (mag/phase) . rms / NODATA . mode . (STANDARD OPTIONS) --co, --creation-option = . GeoTIFF . . . --formats . Raster drivers . --oo, --open-option = ( ). . (EXIT STATUS) ( ). (EXAMPLES) : TIFF gdal raster overview add -r average abc.tif : TIFF gdal raster overview add -r average --levels=2,4,8,16 abc.tif : GeoTIFF ERDAS .IMG gdal raster overview add --external --levels=2,4,8,16 --co COMPRESS=YES erdas.img : GeoTIFF JPEG - RGB GeoTIFF --external . gdal raster overview add --co OVERVIEW=JPEG --co PHOTOMETRIC=YCBCR \ --co INTERLEAVE=PIXEL rgb_dataset.ext 2 4 8 16 : GeoPackage ( "filename" gdalinfo ): gdal raster overview add GPKG:file.gpkg:layer : 1:25K 1:50K 1:100K my.tif gdal raster overview add --overview-src ovr_25k.tif --overview-src ovr_50k.tif --overview-src ovr_100k.tif --dataset my.tif : COG gdal pipeline read input.tif ! reproject --output-crs=EPSG:4326 ! add overview --levels 16,64,128 ! write output.tif --format=COG (AUTHORS) Even Rouault (COPYRIGHT) 1998-2026 August 18, 2026 GDAL-RASTER-OVERVIEW-ADD(1)