d.rast.leg(1grass) GRASS GIS User's Manual d.rast.leg(1grass)
NAME
d.rast.leg - Displays a raster map and its legend on a graphics window
KEYWORDS
display, cartography, legend
SYNOPSIS
d.rast.leg
d.rast.leg --help
d.rast.leg [-fns] map=name [lines=integer] [raster=name] [--help]
[--verbose] [--quiet] [--ui]
Flags:
-f
Flip legend
-n
Omit entries with missing label
-s
Draw smooth gradient
--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 to display
lines=integer
Number of lines to appear in the legend
raster=name
Name of input raster map to generate legend from
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 pro-
gram finishes.
NOTES
The legend may be flipped with the -f flag.
If the 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 lines minus 1 categories with the rest being trun-
cated.
The user may adjust the lines parameter or the size of graphics window
to get an appropriate result.
The user may specify a second raster map with the raster parameter from
which the legend is generated. This is useful to visualize (time) se-
ries 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 raster=landclass96 -p
d.rast.leg landclass96
SEE ALSO
d.legend, d.erase, d.rast
AUTHORS
Jianping Xu, Scott Madry, Rutgers University
Markus Neteler
SOURCE CODE
Available at: d.rast.leg source code (history)
Accessed: unknown
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