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gdal_translate

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gdal_translate: gdal_translate converts raster data between different formats

NAME
gdal_translate - gdal_translate converts raster data between different formats

SYNOPSIS

gdal_translate [--help-general] [-ot {Byte/Int16/UInt16/UInt32/Int32/Float32/Float64/ CInt16/CInt32/CFloat32/CFloat64}] [-strict] [-of format] [-b band] [-expand {gray|rgb|rgba}] [-outsize xsize[%] ysize[%]] [-unscale] [-scale [src_min src_max [dst_min dst_max]]] [-srcwin xoff yoff xsize ysize] [-projwin ulx uly lrx lry] [-a_srs srs_def] [-a_ullr ulx uly lrx lry] [-a_nodata value] [-gcp pixel line easting northing [elevation]]* [-mo "META-TAG=VALUE"]* [-q] [-sds] [-co "NAME=VALUE"]* src_dataset dst_dataset

DESCRIPTION

The gdal_translate utility can be used to convert raster data between different formats, potentially performing some operations like subsettings, resampling, and rescaling pixels in the process. -ot: type For the output bands to be of the indicated data type. -strict: Do'nt be forgiving of mismatches and lost data when translating to the output format. -of format: Select the output format. The default is GeoTIFF (GTiff). Use the short format name. -b band: Select an input band band for output. Bands are numbered from 1 Multiple -b switches may be used to select a set of input bands to write to the output file, or to reorder bands. -expand gray|rgb|rgba: (From GDAL 1.6.0) To expose a dataset with 1 band with a color table as a dataset with 3 (RGB) or 4 (RGBA) bands. Usefull for output drivers such as JPEG, JPEG2000, MrSID, ECW that don't support color indexed datasets. The 'gray' value (from GDAL 1.7.0) enables to expand a dataset with a color table that only contains gray levels to a gray indexed dataset. -outsize xsize[%] ysize[%]: Set the size of the output file. Outsize is in pixels and lines unless '%' is attached in which case it is as a fraction of the input image size. -scale [src_min src_max [dst_min dst_max]]: Rescale the input pixels values from the range src_min to src_max to the range dst_min to dst_max. If omitted the output range is 0 to 255. If omitted the input range is automatically computed from the source data. -unscale: Apply the scale/offset metadata for the bands to convert scaled values to unscaled values. It is also often necessary to reset the output datatype with the -ot switch. -srcwin xoff yoff xsize ysize: Selects a subwindow from the source image for copying based on pixel/line location. -projwin ulx uly lrx lry: Selects a subwindow from the source image for copying (like -srcwin) but with the corners given in georeferenced coordinates. -a_srs srs_def: Override the projection for the output file. The srs_def may be any of the usual GDAL/OGR forms, complete WKT, PROJ.4, EPSG:n or a file containing the WKT. -a_ullr ulx uly lrx lry: Assign/override the georeferenced bounds of the output file. This assigns georeferenced bounds to the output file, ignoring what would have been derived from the source file. -a_nodata value: Assign a specified nodata value to output bands. -mo 'META-TAG=VALUE': Passes a metadata key and value to set on the output dataset if possible. -co 'NAME=VALUE': Passes a creation option to the output format driver. Multiple -co options may be listed. See format specific documentation for legal creation options for each format. -gcp pixel line easting northing elevation: Add the indicated ground control point to the output dataset. This option may be provided multiple times to provide a set of GCPs. -q: Suppress progress monitor and other non-error output. -sds: Copy all subdatasets of this file to individual output files. Use with formats like HDF or OGDI that have subdatasets. src_dataset: The source dataset name. It can be either file name, URL of data source or subdataset name for multi-dataset files. dst_dataset: The destination file name.

EXAMPLE

gdal_translate -of GTiff -co "TILED=YES" utm.tif utm_tiled.tif

AUTHORS

Frank Warmerdam <warmerdam@pobox.com>, Silke Reimer <silke@intevation.de> GDAL_TRANSLATE(1)
 
 
 

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