[GRASS-user] How to rescale an aspect map
daniel.victoria at gmail.com
Sat Feb 11 14:50:38 EST 2012
No sure if I understood what you asked but here we go.
First I'd rescale (r.rescale) the aspect to the desired directions.
Take a look at the r.slope.aspect man page  to see what the aspect
Then I'd rescale the directions map to the weights you mention.
Hope it helps
 - http://grass.osgeo.org/gdp/html_grass64/r.slope.aspect.html
On Wed, Feb 8, 2012 at 7:10 PM, leonidas <leonidas_liakos at yahoo.gr> wrote:
> I need to rescale an aspect map in a scale 0-255 where North = 0 and SE=255.
> Finally I need to assign weights as follow:
> 0.02 N
> 0.02 NE
> 0.12 E
> 0.34 SE
> 0.20 S
> 0.18 SW
> 0.08 W
> 0.03 NW
> Thank you!
> View this message in context: http://osgeo-org.1560.n6.nabble.com/How-to-rescale-an-aspect-map-tp4377272p4377272.html
> Sent from the Grass - Users mailing list archive at Nabble.com.
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