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NAME

       d.rast.leg  - Displays a raster map and its legend on a graphics window

KEYWORDS

       display

SYNOPSIS

       d.rast.leg
       d.rast.leg help
       d.rast.leg  [-fns]  map=string   [num_of_lines=integer]    [rast=string]    [title=string]
       [position=float]   [--verbose]  [--quiet]

   Flags:
       -f
           Flip legend

       -n
           Omit entries with missing label

       -s
           Draw smooth gradient

       --verbose
           Verbose module output

       --quiet
           Quiet module output

   Parameters:
       map=string
           Name of raster map to display

       num_of_lines=integer
           Number of lines to appear in the legend

       rast=string
           Name of raster map to generate legend from

       title=string
           Name of raster map to print in legend

       position=float
           Position of vertical map-legend separator (in percent)
           Default: 80

DESCRIPTION

       d.rast.leg shows a raster map along with its legend.  It first clears the  entire  screen,
       then  divides  it into a main (left) and a minor (right) frames, and displays a raster map
       in the main frame and the map legend in the minor frame. The  main  frame  remains  active
       when the program finishes.

NOTES

       The legend may be flipped with the -f flag.

       If  the  num_of_lines  parameter  is  not given then the legend frame will display as many
       lines as  number  of  categories  in  the  map,  otherwise,  it  will  display  the  first
       num_of_lines minus 1 categories with the rest being truncated.

       The  user  may  adjust the num_of_lines parameter or the size of graphics window to get an
       appropriate result.

       The user may specify a second raster map with the rast parameter from which the legend  is
       generated.  This  is useful to visualize (time) series of raster maps with a common static
       legend instead of the default dynamic legend.

       To remove all frames when clearing the display, use "d.erase -f".

EXAMPLE

       In this example, the polar diagram of the 'aspect' angle map in the North Carolina  sample
       dataset location is generated:
       g.region rast=landclass96 -p
       d.rast.leg landclass96

SEE ALSO

        d.legend, d.erase, d.rast

AUTHORS

       Jianping Xu, Scott Madry, Rutgers University
       Markus Neteler

       Last changed: $Date: 2011-09-04 06:23:30 -0700 (Sun, 04 Sep 2011) $

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