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NAME

       r.support  - Allows creation and/or modification of raster map layer support files.

KEYWORDS

       raster, metadata

SYNOPSIS

       r.support
       r.support --help
       r.support    [-snd]    map=name     [title=phrase]     [history=phrase]     [units=string]
       [vdatum=string]       [source1=phrase]        [source2=phrase]        [description=phrase]
       [raster=string]     [loadhistory=name]     [savehistory=name]     [--overwrite]   [--help]
       [--verbose]  [--quiet]  [--ui]

   Flags:
       -s
           Update statistics (histogram, range)

       -n
           Create/reset the null file

       -d
           Delete the null file

       --overwrite
           Allow output files to overwrite existing files

       --help
           Print usage summary

       --verbose
           Verbose module output

       --quiet
           Quiet module output

       --ui
           Force launching GUI dialog

   Parameters:
       map=name [required]
           Name of raster map

       title=phrase
           Title for resultant raster map

       history=phrase
           Text to append to the next line of the map’s metadata file

       units=string
           Text to use for map data units

       vdatum=string
           Text to use for map vertical datum

       source1=phrase
           Text to use for data source, line 1

       source2=phrase
           Text to use for data source, line 2

       description=phrase
           Text to use for data description or keyword(s)

       raster=string
           Raster map from which to copy category table

       loadhistory=name
           Text file from which to load history

       savehistory=name
           Text file in which to save history

DESCRIPTION

       r.support allows the user to create and/or edit raster map support information. Editing of
       raster  map  color  tables,  category  labels,  header,  history,  and title is supported.
       Category labels can also be copied from another raster map.

EXAMPLES

       These examples are based on the North  Carolina  dataset,  more  specfically  the  landuse
       raster map.  Copy the landuse map to the current mapset
       g.copy raster=landuse,my_landuse

   Update statistics
       r.support -s map=my_landuse

   Update Title
       r.support map=my_landuse title="Landuse copied"

   Append to History Metadata
       r.support map=my_landuse history="Copied from PERMANENT mapset"

   Update Units Display
       r.support map=my_landuse units=meter

NOTES

       If   metadata   options   such  as  title  or  history  are  given  the  module  will  run
       non-interactively. If only the map name is given r.support will run interactively within a
       terminal shell and the user with be prompted for input.

       Freeform metadata information is stored in a "hist" file which may be appended to by using
       the history option. Currently this is limited to 50 lines of  text  with  a  maximum  line
       length of 78 characters. Any input larger than this will be wrapped to the next line.  All
       other metadata strings available as standard options are limited to 79 characters.

SEE ALSO

        r.category, r.describe, r.info, r.null, r.region, r.report, r.timestamp

AUTHORS

       Micharl Shapiro, CERL: Original author
       Brad Douglas: GRASS 6 Port
       M. Hamish Bowman: command line enhancements
       Markus Neteler: category copy from other map

       Last changed: $Date: 2017-12-08 10:46:36 +0100 (Fri, 08 Dec 2017) $

SOURCE CODE

       Available at: r.support source code (history)

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       © 2003-2019 GRASS Development Team, GRASS GIS 7.6.1 Reference Manual