[GRASS-user] How to combine rasters?

[Nikos Alexandris]

On Sun, 2008-07-06 at 04:02 -0700, leonidas300 wrote:
> I have 3 rasters:
> 1. Lakes with value 2.5
> 2. Rivers with value 1
> 3. Mountains above 1000m with value 3
> I need to combine the 3 rasters so as Lakes' values dominate on Rivers' and
> Mountains' values and Rivers' values dominates on Mountains' values. How can
> I achieve that? Is r.patch suitable for that? Where can I find any tutorial
> with raster combination like that? Thank you for any help, Leonidas Greece

Γεια σου Λεωνίδα.

>g.manual r.patch and read the DESCRIPTION to understand the
"hierarchy" when patching.