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/*! \page gdal_fillnodata gdal_fillnodata.py
fill raster regions by interpolation from edges
\section gdal_fillnodata_synopsis SYNOPSIS
\verbatim
gdal_fillnodata.py [-q] [-md max_distance] [-si smooth_iterations]
[-o name=value] [-b band]
srcfile [-nomask] [-mask filename] [-of format] [dstfile]
\endverbatim
\section gdal_fillnodata_description DESCRIPTION
The gdal_fillnodata.py script fills selection regions (usually nodata areas)
by interpolating from valid pixels around the edges of the area.
Additional details on the algorithm are available in the GDALFillNodata()
docs.
<dl>
<dt> <b>-q</b>:</dt><dd>
The script runs in quiet mode. The progress monitor is suppressed and routine
messages are not displayed.
<dt> <b>-md</b> <i>max_distance</i>:</dt><dd>
The maximum distance (in pixels) that the algorithm will search out for
values to interpolate.
<dt> <b>-si</b> <i>smooth_iterations</i>:</dt><dd>
The number of 3x3 average filter smoothing iterations to run after the
interpolation to dampen artifacts. The default is zero smoothing iterations.
<dt> <b>-o</b> <i>name=value</i>:</dt><dd>
Specify a special argument to the algorithm. Currently none are supported.
</dd>
<dt> <b>-b</b> <i>band</i>:</dt><dd>
The band to operate on, by default the first band is operated on.
</dd>
<dt> <i>srcfile</i></dt><dd> The source raster file used to identify target pixels. Only one band is used.</dd>
<dt> <b>-nomask</b>:</dt><dd>
Do not use the default validity mask for the input band (such as nodata, or
alpha masks).
</dd>
<dt> <b>-mask</b> <i>filename</i>:</dt><dd>
Use the first band of the specified file as a validity mask (zero is invalid,
non-zero is valid).
</dd>
<dt> <i>dstfile</i></dt><dd> The new file to create with the interpolated result. If not provided, the source band is updated in place.</dd>
<dt> <b>-of</b> <em>format</em>:</dt><dd> Select the output format. The default is GeoTIFF (GTiff). Use the short format name.</dd>
</dl>
\if man
\section gdal_fillnodata_author AUTHORS
Frank Warmerdam <warmerdam@pobox.com>
\endif
*/
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