[GRASS-user] Vector map area statistics

[Rich Shepard]

On Sun, 2 Jan 2011, Vincent Godard wrote:

> I have a simple problem for which there is probably a trivial solution or even
> a dedicated Grass function by I haven't been able to find it yet.

Vincent,

   Take a look at v.overlay.

   I've used it to calculate the area of a drainage basin contributing runoff to
a defined point on a stream and will be applying it to the same situation
you have: define the percentage of rock types, soils, and vegetation in a
defined drainage.

Rich