[GRASS-user] Two questions - vector data and Mac install
rchirgwin at ozemail.com.au
Thu Jun 26 02:49:26 EDT 2008
Moritz Lennert wrote:
> On 25/06/08 02:46, Richard Chirgwin wrote:
>> 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)?
> Vector solution:
This led me straight into an oddity. One of my vectors is created by
buffering around points.
The source map was a set of 800 points. V.buffer runs successfully, and
when it ends, the new areas display without problem. However, when I run
v.db.addtable, there are only 18 categories - any ideas?
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