[GRASS-user] Calculating slope for raster maps on pixel-based methodology

Markus Metz markus.metz.giswork at googlemail.com
Tue Dec 21 07:13:28 EST 2010

Monica Buescu wrote:
> Greetings
> I have a bunch of raster maps (5 as a matter of fact) and need to calculate
> the slope for each pixel. I mean, I need to pick-up all 5 values for each
> pixel and calculate Slope for that pixel. Now, What I want is to do this for
> all pixels and obtain a map that represents the slope for each pixel based
> on 5 raster maps. Is this possible in GRASS?

Assuming that you want the slope for each pixel based on 5 ordered
values (from 5 maps) for each pixel, you could use

r.series method=slope input=map1,map2,map3,map4,map5

Markus M

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