[GRASS-user] Two questions - vector data and Mac install

[Christian Schwartze]

Hi,

> Hi all,
>
> 1) v.overlay question
>
> I have three maps: two area vectors (A and B), and a v.overlay result
> (C). Is there a simple way to assign the percentage of areas in (A)
> covered by the overlay (C)?

What I think of in a rush is to rasterize the areas first and afterwards asking
for the overlapping areas in percent with r.stats -a input=map1,map2

Regards,
Christian.

>
> 2) Mac install
>
> Wish 8.4 is breaking on a friends new installation, with the reason as
> "image not found". Do we need to reinstall X or is it something else?
>
> Richard Chirgwin
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