v.colors.out - GRASS GIS manual
Author: GRASS Development Team
Description: v.colors.out: Exports the color table associated with a vector map.
Keywords: vector, color table, export

## NAME

v.colors.out - Exports the color table associated with a vector map.

## KEYWORDS

vector, color table, export

## SYNOPSIS

v.colors.out
v.colors.out --help
v.colors.out [-p] map=name [layer=string] [rules=name] [column=name] [--overwrite] [--help] [--verbose] [--quiet] [--ui]

### Flags:

-p
  Output values as percentages
--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 vector map
  Or data source for direct OGR access
layer=string
  Layer number or name
  Vector features can have category values in different layers. This number determines which layer to use. When used with direct OGR access this is the layer name.
  Default: 1
rules=name
  Path to output rules file
  If not given write to standard output
column=name
  Name of attribute (numeric) column to which refer color rules
  If not given, color rules refer to categories

## DESCRIPTION

v.colors.out allows the user to export the color table for a vector map to a file which is suitable as input to v.colors.

## EXAMPLES

    v.colors.out map=soils_general rules=rules.txt
    v.colors map=soils_wake rules=rules.txt

## SEE ALSO

v.colors, r.colors, r3.colors, r.colors.out, r3.colors.out

## AUTHOR

Martin Landa, Czech Technical University in Prague, Czech Republic

## SOURCE CODE

Available at: v.colors.out source code (history)

Accessed: Saturday May 09 11:18:16 2026

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