[GRASS-user] Buffered categories
rchirgwin at ozemail.com.au
Fri Feb 24 16:05:36 EST 2012
As always, thanks to everyone for helping fix even simple errors!
On 24/02/12 7:30 PM, Hamish wrote:
> Richard wrote:
>> rather than the 47 categories I need (because there are 47
>> distinct areas in the buffer.
>> So: how do I reassign the cats so there are 47 instead of 1
>> in the buffer?
> # get rid of the old
> v.category type=centroid op=del
> # create some new sequential ones
> v.category type=centroid op=add cat=1 step=1
> (cat= is the number it starts counting from)
> if you need the cat to match the seed point, use v.distance as earlier
> suggested. and do beware of what becomes of overlapping areas.
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