[GRASS-user] random raster map

Martin Landa landa.martin at gmail.com
Mon Jul 14 05:51:48 EDT 2008


Hi,

2008/7/14  <jessica.gervais at tudor.lu>:
> How can I create a raster map with random values between a minimum and a
> max value ?
> I tried r.random but I do not know how to specify these min anx max values.

you can create vector points layer by

v.random out=vrandom n=1000 zmin=0 zmax=100 -z

and then rasterize it

v.to.rast in=vrandom out=rrandom use=z

or to get random surface layer use

r.surf.random out=rsurf min=0 max=100

Martin

PS: Please update your contact info: grassuser at grass.itc.it ->
grass-user at lists.osgeo.org
-- 
Martin Landa <landa.martin gmail.com> * http://gama.fsv.cvut.cz/~landa *


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