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GDAL_FILLNODATA(1)		     GDAL		    GDAL_FILLNODATA(1)

NAME
       gdal_fillnodata - Fill raster regions by	interpolation from edges.

SYNOPSIS
	  gdal_fillnodata [--help] [--help-general] [-q] [-md <max_distance>]
		     [-si <smoothing_iterations>] [-o <name>=<value> [<name>=<value> ...]]
		     [-mask <filename>]	[-interp {inv_dist,nearest}] [-b <band>]
		     [-of <gdal_format>] [-co <name>=<value>]
		     <src_file>	<dst_file>

DESCRIPTION
       gdal_fillnodata	fills  selection regions (usually nodata areas)	by in-
       terpolating from	valid pixels around the	edges of the area.

       Additional  details   on	  the	algorithm   are	  available   in   the
       GDALFillNodata()	docs.

       NOTE:
	  gdal_fillnodata  is  a Python	utility, and is	only available if GDAL
	  Python bindings are available.

       --help Show this	help message and exit

       --help-general
	      Gives a brief usage message for the generic GDAL commandline op-
	      tions and	exit.

       -q     The script runs in quiet mode.  The  progress  monitor  is  sup-
	      pressed and routine messages are not displayed.

       -md <max_distance>
	      The  maximum distance (in	pixels)	that the algorithm will	search
	      out for values to	interpolate. The default is 100	pixels.

       -si <smooth_iterations>
	      The number of 3x3	average	filter smoothing iterations to run af-
	      ter the interpolation to dampen artifacts. The default  is  zero
	      smoothing	iterations.

       -o <name>=<value>
	      Specify  a special argument to the algorithm. Currently none are
	      supported.

       -b <band>
	      The band to operate on, by default the first  band  is  operated
	      on.

       -mask <filename>
	      Use  the	first  band  of	 the specified file as a validity mask
	      (zero is invalid,	non-zero is valid).

       -of <format>
	      Select the output	format.	The default is GTiff --	 GeoTIFF  File
	      Format.  Use the short format name.

       -interp {inv_dist,nearest}
	      New in version 3.9.

	      By  default,  pixels  are	interpolated using an inverse distance
	      weighting	(inv_dist). It is also possible	to  choose  a  nearest
	      neighbour	(nearest) strategy.

       <srcfile>
	      The source raster	file used to identify target pixels.  Only one
	      band is used.

       <dstfile>
	      The new file to create with the interpolated result.

AUTHOR
       Frank Warmerdam <warmerdam@pobox.com>

COPYRIGHT
       1998-2025

				 Feb 11, 2025		    GDAL_FILLNODATA(1)

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