[GRASS-user] Re: Values from multiple raster - "to link" together

[Achim Kisseler]

Am 15.11.2010 23:10, schrieb Gabriele N.:
>
> Excellent Alex:). The maps are as follows:
> A ->  value 0, 1, 2, ... 19
> B ->  value 0, 1001, 1002, 1003 .... 3351
> C ->  value from 0, 1, 2, 3, 4 ...... 15
>
> So, I did as you suggested:
> r.mapcalc "output" = "(( "A" *1000000)+( "B" *100)+ "C" )"
> right?
> And .... if I had decimal numbers or strings instead of numbers?
>
> Thanks
>
> Gabriele

Strings in a raster map?
With decimal numbers it works the same way. Or you multiply the map with 
number of digits and handle it as an integer map (maybe that does not 
work because of limited bit information per pixel).

Achim