[GRASS-user] Add up several maps, which hold different regions, with mapcalc

[Büro Seling]

Am 18.06.2012 12:55, schrieb Büro Seling:
> Dear Group,
>
> I could not find a way to add up several maps, which hold different 
> regions, with mapcalc.
>
> Within a larger GRASS location (i.e. 80x80 km) I have to make several 
> viewshed/line-of-sight analyses.
> Each one with a radius of 5000 meters.
> In the end,with mapcalc, I have to add up all these single maps into 
> one map which then contains the information in which place how many 
> items can be seen.
> So fare no problem.
> Then I had the idea to spare time and do the viewshed/line-of-sight 
> analyses within a smaller region (5000x5000m, just the area I need for 
> the single calcuations).
> Also up to now no Problem.
> My problem begins, when I now try to add up all these single maps into 
> one larger map.
> I searched for a solution and tried several things, but nothing worked.
>
> Any tipps or hinds?
>
> Thx
> Stefan
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Dear Marcello, Dear Paulo,

thx for the help, the tipp from Marcello worked fine.

Thanks again
Stefan