NAME

       gdal_pansharpen -  Perform a pansharpen operation.

SYNOPSIS

          gdal_pansharpen [--help] [--help-general]
                          <pan_dataset>
                          <spectral_dataset>[,band=<num>] [<spectral_dataset>[,band=<num>]]...
                          <out_dataset>
                          [-of <format>] [-b <band>]... [-w <weight_val>]...
                          [-r {nearest|bilinear|cubic|cubicspline|lanczos|average}]
                          [-threads {ALL_CPUS|<number>}] [-bitdepth <val>] [-nodata <val>]
                          [-spat_adjust {union|intersection|none|nonewithoutwarning}]
                          [-co <NAME>=<VALUE>]... [-q]

DESCRIPTION

       gdal_pansharpen  performs  a  pan-sharpening operation. It can create a "classic" output dataset (such as
       GeoTIFF), or a VRT dataset describing the pan-sharpening operation.

       More details can be found in the Pansharpened VRT section.

       NOTE:
          gdal_pansharpen 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 options and exit.

       -of <format>
              Select the output format. Starting with GDAL 2.3, if not specified, the format is guessed from the
              extension (previously was GTiff). Use the short format name. VRT can also be used.

       -b <band>
              Select band band from the input spectral bands for output. Bands are numbered from 1 in the  order
              spectral  bands  are  specified.  Multiple -b switches may be used. When no -b switch is used, all
              input spectral bands are set for output.

       -w <weight_val>
              Specify a weight for the computation of the pseudo panchromatic value. There must be  as  many  -w
              switches as input spectral bands.

       -r {nearest|bilinear|cubic|cubicspline|lanczos|average}
              Select a resampling algorithm. cubic is the default.

       -threads {ALL_CPUS|<number>}
              Specify number of threads to use to do the resampling and pan-sharpening itself. Can be an integer
              number or ALL_CPUS.

       -bitdepth <val>
              Specify  the  bit  depth  of the panchromatic and spectral bands (e.g.  12). If not specified, the
              NBITS metadata item from the panchromatic band will be used if it exists.

       -nodata <val>
              Specify nodata value for bands. Used for the resampling and pan-sharpening computation itself.  If
              not set, deduced from the input bands, provided they have a consistent setting.

       -spat_adjust {union|intersection|none|nonewithoutwarning}
              Select  behavior when bands have not the same extent. See SpatialExtentAdjustment documentation in
              Pansharpened VRT union is the default.

       -co <NAME>=<VALUE>
              Many formats have one or more optional creation options that can be used  to  control  particulars
              about  the  file  created.  For  instance, the GeoTIFF driver supports creation options to control
              compression, and whether the file should be tiled.

              The creation options available vary by format driver, and some simple  formats  have  no  creation
              options  at all. A list of options supported for a format can be listed with the --formats command
              line option but the documentation for the format is the definitive source of information on driver
              creation options.  See Raster drivers format specific documentation for legal creation options for
              each format.

       -q     Suppress progress monitor and other non-error output.

       <pan_dataset>
              Dataset with panchromatic band (first band will be used).

       <spectral_dataset>[,band=<num>]
              Dataset with one or several spectral bands. If the band option is not specified, all bands of  the
              datasets are taken into account.  Otherwise, only the specified (num)th band. The same dataset can
              be repeated several times.

       <out_dataset>
              Output dataset

       Bands should be in the same projection.

EXAMPLE

       With spectral bands in a single dataset :

          gdal_pansharpen panchro.tif multispectral.tif pansharpened_out.tif

       With a few spectral bands from a single dataset, reordered :

          gdal_pansharpen panchro.tif multispectral.tif,band=3 multispectral.tif,band=2 multispectral.tif,band=1 pansharpened_out.tif

       With spectral bands in several datasets :

          gdal_pansharpen panchro.tif band1.tif band2.tif band3.tif pansharpened_out.tif

       Specify weights:

          gdal_pansharpen -w 0.7 -w 0.2 -w 0.1 panchro.tif multispectral.tif pansharpened_out.tif

       Specify  RGB  bands from a RGBNir multispectral dataset while computing the pseudo panchromatic intensity
       on the 4 RGBNir bands:

          gdal_pansharpen -b 1 -b 2 -b 3 panchro.tif rgbnir.tif pansharpened_out.tif

AUTHOR

       Even Rouault <even.rouault@spatialys.com>

COPYRIGHT

       1998-2025

                                                  Apr 01, 2025                                GDAL_PANSHARPEN(1)