[GRASSLIST:343] Re: a huge matrix ?

[Glynn Clements]

orkun wrote:

> I have a huge matrix containing 7 column and 10500 rows.
> Each columns stand for different maps. Each rows represent "unique"
> combinations of catagories of maps and probability values
> of each row.
> Something like:
> 
>               map1  map2 map3 ... prob
> 1   cat1       x     x    x        x
> 2   cat2       x     x    x        x
> .     .
> .     .
> 10500 .
> 
> So I have 10500 if-clause to create a probability map.
> I tried r.mapcalc (as from a text file) but grass gave "stack overflow" 
> error.

I'm not surprised.

> Is there anyone making suggestions ?

You need to describe your problem in more detail; it isn't clear what
you are trying to calculate.

-- 
Glynn Clements <glynn.clements at virgin.net>