GDAL-RASTER-CLEAN-COLLAR(1) GDAL GDAL-RASTER-CLEAN-COLLAR(1) >>> (NAME) gdal-raster-clean-collar - >>>>>>>> >>>>> >>>>>> >>>> >>>> > >>> >>>> >> >>>> 3.11 >>>>> >>. >>>>> >>>>> (SYNOPSIS) Usage: gdal raster clean-collar [OPTIONS] [] Clean the collar of a raster dataset, removing noise. Positional arguments: -i, --input Input raster dataset [required] -o, --output Output raster dataset 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: -f, --of, --format, --output-format Output format --co, --creation-option = Creation option [may be repeated] --overwrite Whether overwriting existing output dataset is allowed --update Whether to open existing dataset in update mode --color Transparent color(s): tuple of integer (like 'r,g,b'), 'black', 'white' (default: black) [may be repeated] --color-threshold Select how far from specified transparent colors the pixel values are considered transparent. (default: 15) --pixel-distance Number of consecutive transparent pixels that can be encountered before the giving up search inwards. (default: 2) --add-alpha Adds an alpha band to the output dataset. Mutually exclusive with --add-mask --add-mask Adds a mask band to the output dataset. Mutually exclusive with --add-alpha --algorithm Algorithm to apply. ALGORITHM=floodfill|twopasses (default: floodfill) Advanced Options: --oo, --open-option = Open options [may be repeated] --if, --input-format Input formats [may be repeated] >>>>>>> (DESCRIPTION) >>>>> gdal raster clean-collar >> >>>>> (> >>>>) >> >>>> >>>> > >>>> >>>>>>>>>> >> >> >> >>>>> >>>>> >>>>>>> >> >>>>>> >>>> (>>>>>>>)> >>>> >> >> >> >>> >>> >>>>>> >>>>>> >> >>> >>>> >> >>>> >>>>> >>>>>>. >>> >>>>>> >>>> >>>> <<>>>>>>> >>>>>>> >>>>> >>>>>>>>> >> >>>>> (lossy) >> >>> >>>>>> >> >>>>> >>>>>>> >>>> >>>>>> >>>>>>>>> >>>> >>>> >> >>> >>>>> >>>>. >> >>>>> >> >>>>>>>> >> >>>>>>> >>>> >> >>>> >>>>> >>>> >>>>>> >>>> >>>>> >>>>> >>>> >> >>>>>>>>>> >>>> >>>>> (lossless) >>>>>>> >>>. >>>>>>>>> >>>> >>>>>> (PROGRAM-SPECIFIC OPTIONS) --add-alpha >> >>>> >>>> >> >>>> >>>>> >>>>> >>>>>>. >>>> >>>> >> >>>>> >>>>> >>> 0 > >> >>>> >>>> >>> 255 >>>>> >>>>>>. >>> >>>>> >> --add-mask >>>>>>>>>>> >>> (>>>>>>>>>> >>>>>>> >>>>>>> >>>>). --add-mask >> >>>> >>>> >> >>>> >>>>> >>>>> >>>>>>. >>>> >>>> >> >>>>> >>>>> >>> 0 > >> >>>> >>>> >>> 255 >>>>> >>>>>>. >>> >>>>> >> --add-alpha >>>>>>>>>>> >>> (>>>>>>>>>> >>>>>>> >>>>>>> >>>>). --algorithm floodfill|twopasses >>>>>>>> >>>> >>>>>>> >> >>>>>> >>>>>>. >>>>>>>> twopasses >> >> >>> >>>> >> >>>>> > >>> >> >>> >>>>> >> >>>> >>>>>>> >>>>>>. >>>> >>> >> >>>>> >>>> (concave) >>>>>>>> >>>>>> >>>>> >>>>. >>> >>>>>>>> >>>>> >> >> >> >> (>> >> >>>> >> >> >>>>) >>>>>> >>>>>>. >>>> >> >>> <<>>>>>> >> >> >> >>> >>>>> >>>>>> > >>>>>>>> >> >> >>>> >> >>>> >>>>> >>>>>> >> >>>>> >> >>>>>> >> >>>>> "non_black_pixels" >>>>> >>>> >>>> >> >>> >> "dist" >>> >>>>>>> >> >>> >>>>> >>>> >> >>>>>>> >>>>>> >>>>> >>>>> >>>>>> >> >>> >>>> >>>> >>>>> >>>>>>. >>>>>>>>> >>>>>>> >>>>> >>>> >> >>>>>>> >>>>>> >> >>>> >> >>>> >>>>> >>>>>>>. >>> >>>>>>>> >>>>>> >>>> >>>>>>> >>>>>>>>>>> >> >>>> >> >>>>>> >>>>> >> >> >>>> >> >>>>> > >> >>>>> >> >>>> >>>> >>>>>>. >>>>>>>> floodfill (>>>>>>>) >> >>>>>>>> Flood Fill >>>>>>> >>>>>> > >>>> >>>>> >>>> >>> >>>>>> >>>>. >>> >>> >>>> >> >>>>> >> >>>>>> >>>> >>>> >>>> > >> twopasses >>>>> >>>. >>>>>> >> >>>>>> >>> >> >>> >>>> --pixel-distance >>>>>>> >>>> >>>>>>>> twopasses >>>>> >>>>>>>> >>>>> >>>>> floodfill >>>> >>>>>>. --color ,,...|black|white >>>>> >>>> >>>>>>>>> >>>>> >> >>> >>>>>>>>. >>>>>>>> >>>>> >>> >>>>> >>>. >>>>>> >> >>> >>>>> >>>>> >>>> >>>>>>>>>> >> >>>>>>>> >>>>> >> >>> >>>>> >>>>>>> >>> 0 >>>>> >>>>>>>>> >>> >>>>> >>> white >>>> >>> >>>> >> >> >>> >>>> >>> 255 >>>>> >>>>>>>. --color-threshold >>>>> >>>>>> >> >>>>>> >>>>>>>> >> >> >>>>>> >>>>>>>>> >> >>>>>>> >>>>> >>>> >> >>>>>>> >>>>>> >>>>> >>>>> >>>>> > >>>>>> >>>>> >> >>>>> >> >>> >>>>> >>>>. >>>>> >>>>>>> 15 >>>. --pixel-distance >>>>> >>>>>>>>> >>>> >>>>>> >> >>>>>>> >>> >> >>>> >>>>> >> >>> >>>> >> >>>>> >>>>> >>. >> >>>> >>>>> >>>>> >> >>>>>> >>> >>>>> >>>>> >>>>> >>>>> >>>>. >>>>> >>>>>>> 2 >>>. >>>>>>>>> >>>>>>>>> (STANDARD OPTIONS) --co, --creation-option = >>>>>> >> >>>>>>> >> >> >>> >>>>> >>>>>>> >>>> >>>>> >> >>>>>>> >> >>>>> >>>> >>>>> >>>>>> >>>> >>>>>>>> >>>>>>> >>>. >>>>>>>> >>>>> >>>>>> GeoTIFF >> >>>>>>>>> >>>> >>>> >>>>> >>> >>>>>>>>>> > >>>>>>>>> >>>> >>>> >>>>>>>> >>>>>>. >>>>>>>> >>>>> >>>. >>>>>>>>> >>>> >>>>> >>>> >> >>>>>> >>>> >>>>>> >>>>> > >>>> >>>>>>>> >>>> >>>>>> >>> >>>>> >>>>> >>>>>>. >>>>>> >> >>>>>>>>> >>>>>>>>>>>> >>>> >> >>>> >> >>>>>>> >> >>>>> >> >>>>> --formats >>>>>> >>>> >>> >>>>>>> >>>> >>>>> >> >>>>>> >>>> >>>> >>>>>>> >>>>>> >>>>>>>>> >>>> >>>. >>>> >>>>>>>>> >>>> >>>> >> >>>> >> >>>>>>> >>>>>>> Raster drivers >>>>>> >>>>. -f, --of, --format, --output-format >>>> >>>> >>>>> >>>> >>>>>>> >> >>>> >>>>>>. >>>>>> >>>> >> >>>>>>> >> >>>>> >>> >> >>> >>>>: gdal --formats | grep raster | grep + | sort --overwrite >> >>>>>> >>>>> >>>>>>>> >>> >>>> >> >>>>>> >>>> >>>> >>>>> >> >>>>>>. >> >>> >>> >>>>> >>>>>> >>>>>>>> >>> >>>> >> >>>>>> >>>> >>>> >> >>> >>>> >>>>> >>>>> gdal >> >>> >>>>> >>>>>>. --update >>> >>> >> >>>>>> >>>> >>>>> >>>> >>> >>>>> >>>>>>> >>> >>> >> >> >>>> >>>>>>>>>>> (update) >>>> >>>>>>. >>> >> >>>>>> >>>> >>>>> >>>> >>> >>>>> >>>>>>> >>> >>> >> >> >>>> >>>>>>>>>>> >>>> >>>>>> (>>> >> >>> >>>>>> >> >>>> >>>> >> >>> >>>> >>>>> >>>>). >>>> >>>>> >>>>> >> >>>>>>>>>>> >> >>>>>> >>>> >>>>> >> >>>> >>>>> >>>> >>>> >>> >>>> >> >>>>>> >>> >>>> >>>> > >> >> >>>> >>>>>>> >> >>>>>>>>>> >> >>>>>> >> >>> >>>>> >>>> >>>>. >>>>> >>>> (EXIT STATUS) >>> >>>>>> >> >>>> >>>>>> >> >>>>> 0 > >> >>>> >>>> >>> >>>>>> >>>>>> >>>>>>>>>>>> (>>>>>> >>> >>>>>>>>>>>>> >> >>>>>>> >>>>> >>>> >>>>>>>> >>>>> >>>>>>>>>>> >> >>> >>>>> >>>>>>>). >>>>>>> (EXAMPLES) >>>> >: >>>>>> >>>> >> >>>>>> >>>> >> >>>>>>> >> >>> >>>> >>>>>>> >>>>>>>> >>> >>>>> $ gdal raster clean-collar --update my.tif >>>> >: >>>>> >> >>>>>> >>>> >>>> >> >>>>>>> >> >>> >>>> >> >>>> >>>>>>>> >>> >>>>>> >> >> >>> >>>>> >>>>>> >>>> [0,5] >>>>>>>> >>>> > >>>>>> >>>> [250,255] >>>>>>>> >>>>. >>> >>>>> >>>>>> >> >>>> >>>> >> >>>>>> >>>> >>>>> >>>>> >>>>>>. $ gdal raster clean-collar --add-alpha --color=black --color=white --color-threshold=5 in.tif out.tif >>>>>>>>> (AUTHORS) Even Rouault >>>>>>>> > >>>>> (COPYRIGHT) 1998-2026 August 18, 2026 GDAL-RASTER-CLEAN-COLLAR(1)