Manual Reference Pages - PSDRIVER (1)
PS driver - driver to create PostScript files.
The PS driver generates a PostScript file from GRASS display commands.
The driver is started as pseudo monitor (PS file instead) and when
stopped, all output from previously used display commands are written
to the PostScript file.
Several environment variables affect the operation
of the PS driver:
name of output file. If it ends with ".eps" an EPS file
will be created.
sets the screen dimensions and margins to
fit a standard paper size, see also GRASS_WIDTH, GRASS_HEIGHT.
defines the width of the screen, see also GRASS_HEIGHT
defines the height of the screen, see also GRASS_WIDTH
if TRUE, the PS driver generates color output, otherwise
if TRUE, the screen is rotated 90 degrees
counter-clockwise so that a "landscape" screen fits better on
if FALSE, the output is appended to any existing file,
and no prolog or setup sections are generated.
if FALSE, no trailer section is generated.
Start up the driver
Display raster map and vector polygons
d.vect map=somevectormap color=red
Stop the driver subsequently. This will write a
file named map.ps to be created in your current directory:
The resolution of the PS raster map is defined by the map
extents. Use g.region -p to get the number of rows and cols and
use the environment variables to set the PS size. If you would like a
larger image, multiply both rows and cols by the same whole number to
preserve the aspect ratio.
GRASS_TRUECOLOR requires either PostScript level 2 or level 1 plus the
colorimage and setrgbcolor operators (this is the case for colour printers
which pre-date level 2 PostScript).
Only masked images (d.rast -o, d.rgb -o, d.his
-n) require PostScript level 3.
Glynn Clements, 2007
Last changed: $Date: 2012-03-02 21:22:34 -0800 (Fri, 02 Mar 2012) $
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