[GRASS-user] calculating surface

[Markus Neteler]

On Mon, Oct 27, 2008 at 9:50 AM, Joop Goedbloed <jlgoedbloed at hetnet.nl> wrote:
> Hello Users group
>
> Have two vector-maps with areas map-A and map-B
>
> Is there a grass-module to calculate the total surface (m2 or ha by
> category)
> of the areas of the map-B witch are inside the area(s) of the map-A.

Without thinking too much, you could
- subtract one from the other with v.overlay
- calculate stats before/after with v.report.

Markus