[GRASSLIST:9108] Re: Area size of a vector layer..

[Hamish]

> I got a SHP surface vector layer and inside i got 4 categories of
> surfaces  (each one splitted in smaller area spread on the map): I
> need to know the  total cover extension for each category.
> How can I?

as mentioned, v.to.db will do it, but in GRASS 6.1, v.report is a bit
easier.

d.vect + d.what.vect might help too!


> on the attributes table i haven't any information on surface
> extension.

I don't understand what you mean. 
?


Hamish