![]() Used when creating a location, other GRASS modules will use the "default" 1: List available parameter sets in a GUI-parsable (but alsoĠ (default): Continue without specifying parameters - if Option and act according to the following: $/etc), g.proj will check the value of the datumtrans EPSG code support is based upon a local copy of the GDAL CSVĬo-ordinate system and datum information files, stored in the directory epsg= number number should correspond to the index number of a validĭatabase. Than as a directly-supplied command-line parameter. If - is given forĭescription, the PROJ.4 description will be read from stdin rather proj4= description or - description should be a projection description in If - is givenįor the filename, the WKT description will be read from stdin rather than aįile. wkt= filename or - The file filename should contain a projection description in WKTįormat with or without line-breaks (e.g. If the file is not georeferenced or cannot be read, Georef= filename g.proj attempts to invoke GDAL and OGR in turn to read a Projection information being read from the current location it is imported Wkt, proj4 or epsg is specified, rather than the ![]() In addition, if one of the parameters georef, Projection information may also be output in the Well-Known Text (WKT)īy proprietary GIS. projection information) between various formats.įunctionality of the module is to report the projection information for theĬurrent location, either in conventional GRASS (-p flag) or PROJ.4 (-j flag) G.proj provides a means of converting a co-ordinate systemĭescription (i.e. G.proj įlags: -p Print projection information (in conventional GRASS format) -d Verify datum information and print transformation parameters -j Print projection information in PROJ.4 format -w Print projection information in WKT format -e Use ESRI-style format (applies to WKT output only) -f Print 'flat' output with no linebreaks (applies to WKT and PROJ.4 output) -t Force override of datum transformation information in input co-ordinate system -c Create new projection files (modifies current location unless 'location' option specified) -i Enable interactive prompting (for command-line use only) -verbose Verbose module output -quiet Quiet module output Parameters: georef= file Georeferenced data file to read projection information from wkt= file ASCII file containing a WKT projection description (- for stdin) proj4= params PROJ.4 projection description (- for stdin) epsg= integer EPSG projection code Options: 1-100000 datumtrans= integer Index number of datum transform parameters, "0" for unspecified or "-1" to list and exit Options: -1-100 Default: 0 location= name Name of new location to create DESCRIPTION Can also be used to create GRASS locations. projection information) between various formats (including GRASS format). NAME g.proj - Converts co-ordinate system descriptions (i.e.
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