[GRASS-dev] Grass Variables/ Perl

[Jachym Cepicky]

#!/usr/bin/perl -w

$ENV{GRASS_WIDTH} = 20;
$ENV{GRASS_HEIGHT} = 20;

system("d.mon start=PNG");
system("d.rast soils");
system("d.mon stop=PNG");

jachym

On Thu, Aug 03, 2006 at 10:01:11AM +0200, "Peter Löwe" wrote:
> >%ENV gives you the environment variables,
> 
> >if ($ENV{GISBASE}){
> >    &main();
> >}
> >else {
> >    print "You have to run GRASS first!"
> >}
> >
> >you can also read from stdin:
> >
> >@region = `g.region -g`
> 
> Hello Jachym,
> 
> that's true. However, neither `export GRASS_WIDTH=42` nor system "export GRASS_WIDTH=42" can be used to set the variables for later commands to make use of the settings (aka generate a huge PNG). Within the GRASS environment, the GRASS_HEIGHT/WIDTH will still default to 640/480.
> A remarkably awkward workaround would be to create a shell-script from within the perl environment and run it later. but i believe theremust be a better way.
> 
> Peter
> -- 
> Dr. Peter Löwe
> 
> Diplom-Geograph
> 
> <loewe at geomancers.net>
> <peter.loewe at gmx.de>
> 
> 
> 
> 
> 
> Echte DSL-Flatrate dauerhaft für 0,- Euro*. Nur noch kurze Zeit!
> "Feel free" mit GMX DSL: http://www.gmx.net/de/go/dsl

-- 
Jachym Cepicky
e-mail: jachym.cepicky at centrum.cz
URL: http://les-ejk.cz
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