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.TH "GDAL-RASTER-SET-TYPE" "1" "Jul 22, 2026" "" "GDAL"
.SH NAME
gdal-raster-set-type \- Modify the data type of bands of a raster dataset
.sp
Added in version 3.11.

.SH SYNOPSIS
.INDENT 0.0
.INDENT 3.5
.sp
.EX
Usage: gdal raster set\-type [OPTIONS] <INPUT> <OUTPUT>

Modify the data type of bands of a raster dataset.

Positional arguments:
  \-i, \-\-input <INPUT>                                      Input raster datasets [required] [not available in pipelines]
  \-o, \-\-output <OUTPUT>                                    Output raster dataset [required] [not available in pipelines]

Common Options:
  \-h, \-\-help                                               Display help message and exit
  \-\-json\-usage                                             Display usage as JSON document and exit
  \-\-config <KEY>=<VALUE>                                   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>      Output format (\(dqGDALG\(dq allowed) [not available in pipelines]
  \-\-co, \-\-creation\-option <KEY>=<VALUE>                    Creation option [may be repeated] [not available in pipelines]
  \-\-overwrite                                              Whether overwriting existing output dataset is allowed [not available in pipelines]
                                                           Mutually exclusive with \-\-append
  \-\-append                                                 Append as a subdataset to existing output [not available in pipelines]
                                                           Mutually exclusive with \-\-overwrite
  \-\-ot, \-\-datatype, \-\-output\-data\-type <OUTPUT\-DATA\-TYPE>  Output data type. OUTPUT\-DATA\-TYPE=UInt8|Int8|UInt16|Int16|UInt32|Int32|UInt64|Int64|CInt16|CInt32|Float16|Float32|Float64|CFloat32|CFloat64 [required]

Advanced Options:
  \-\-if, \-\-input\-format <INPUT\-FORMAT>                      Input formats [may be repeated] [not available in pipelines]
  \-\-oo, \-\-open\-option <KEY>=<VALUE>                        Open options [may be repeated] [not available in pipelines]
.EE
.UNINDENT
.UNINDENT
.SH DESCRIPTION
.sp
\fBgdal raster set\-type\fP can be used to force the output image bands to
have a specific data type. Values may be truncated or rounded if the output
data type is \(dqsmaller\(dq than the input one.
.sp
This subcommand is also available as a potential step of \fI\%gdal raster pipeline\fP
.SH GDALG OUTPUT (ON-THE-FLY / STREAMED DATASET)
.sp
This program supports serializing the command line as a JSON file using the \fBGDALG\fP output format.
The resulting file can then be opened as a raster dataset using the
\fI\%GDALG: GDAL Streamed Algorithm\fP driver, and apply the specified pipeline in a on\-the\-fly /
streamed way.
.SH PROGRAM-SPECIFIC OPTIONS
.INDENT 0.0
.TP
.B \-\-ot, \-\-datatype, \-\-output\-data\-type <OUTPUT\-DATA\-TYPE>
Output data type among \fBByte\fP, \fBInt8\fP, \fBUInt16\fP, \fBInt16\fP, \fBUInt32\fP,
\fBInt32\fP, \fBUInt64\fP, \fBInt64\fP, \fBCInt16\fP, \fBCInt32\fP, \fBFloat32\fP,
\fBFloat64\fP, \fBCFloat32\fP, \fBCFloat64\fP\&.
.UNINDENT
.SH STANDARD OPTIONS
.INDENT 0.0
.TP
.B \-\-co, \-\-creation\-option <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.
.sp
May be repeated.
.sp
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
\fI\%\-\-formats\fP
command line option but the documentation for the format is the
definitive source of information on driver creation options.
See \fI\%Raster drivers\fP format
specific documentation for legal creation options for each format.
.UNINDENT
.INDENT 0.0
.TP
.B \-f, \-\-of, \-\-format, \-\-output\-format <OUTPUT\-FORMAT>
Which output raster format to use. Allowed values may be given by
\fBgdal \-\-formats | grep raster | grep rw | sort\fP
.UNINDENT
.INDENT 0.0
.TP
.B \-\-overwrite
Allow program to overwrite existing target file or dataset.
Otherwise, by default, \fBgdal\fP errors out if the target file or
dataset already exists.
.UNINDENT
.SH RETURN STATUS CODE
.sp
The program returns status code 0 in case of success, and non\-zero in case of
error (non\-blocking errors emitted as warnings are considered as a successful
execution).
.SH EXAMPLES
.SS Example 1: Convert to Float32 data type
.INDENT 0.0
.INDENT 3.5
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.EX
$ gdal raster set\-type \-\-datatype Float32 byte.tif float32.tif \-\-overwrite
.EE
.UNINDENT
.UNINDENT
.SH AUTHOR
Even Rouault <even.rouault@spatialys.com>
.SH COPYRIGHT
1998-2026
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