[GRASSLIST:10856] Re: r.mapcalc limited number of input maps?

Glynn Clements glynn at gclements.plus.com
Thu Mar 9 18:59:00 EST 2006


Otto Dassau wrote:

> I would like to add raster map values with r.mapcalc. Does there exist a 
> maximum number of maps to calculate? 

AFAIK, there is only GRASS' limit on the maximum number of open maps
(256). r.mapcalc doesn't have any fixed limits, but the GRASS
libraries on which it depends might.

> I tried with 8 maps and it works well, but there is a problem when I want to 
> add e.f more than 30 maps. 
> 
> r.mapcalc "newmap = map1+map2+map3+map4+..."

What's the problem, exactly?

-- 
Glynn Clements <glynn at gclements.plus.com>




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