1GDAL_FILLNODATA(1)                   GDAL                   GDAL_FILLNODATA(1)
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NAME

6       gdal_fillnodata - Fill raster regions by interpolation from edges.
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SYNOPSIS

9          gdal_fillnodata.py [-q] [-md max_distance] [-si smooth_iterations]
10                          [-o name=value] [-b band]
11                          srcfile [-nomask] [-mask filename] [-of format] [dstfile]
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DESCRIPTION

14       gdal_fillnodata.py  script  fills selection regions (usually nodata ar‐
15       eas) by interpolating from valid pixels around the edges of the area.
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17       Additional details on the algorithm are available  in  the  GDALFillNo‐
18       data() docs.
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20       -q     The  script  runs  in  quiet  mode. The progress monitor is sup‐
21              pressed and routine messages are not displayed.
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23       -md max_distance
24              The maximum distance (in pixels) that the algorithm will  search
25              out for values to interpolate. The default is 100 pixels.
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27       -si smooth_iterations
28              The number of 3x3 average filter smoothing iterations to run af‐
29              ter the interpolation to dampen artifacts. The default  is  zero
30              smoothing iterations.
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32       -o name=value
33              Specify  a special argument to the algorithm. Currently none are
34              supported.
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36       -b band
37              The band to operate on, by default the first  band  is  operated
38              on.
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40       srcfile
41              The source raster file used to identify target pixels.  Only one
42              band is used.
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44       -mask filename
45              Use the first band of the specified  file  as  a  validity  mask
46              (zero is invalid, non-zero is valid).
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48       dstfile
49              The  new  file  to  create with the interpolated result.  If not
50              provided, the source band is updated in place.
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52       -of format
53              Select the output format. The default is raster.gtiff.  Use  the
54              short format name.
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AUTHOR

57       Frank Warmerdam <warmerdam@pobox.com>
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60       1998-2022
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65                                 May 04, 2022               GDAL_FILLNODATA(1)
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