[GRASS-user] inner and outer buffer for a boundary

[Moritz Lennert]

On 05/11/08 14:46, Martin Landa wrote:
> Hi,
> 
> 2008/11/5 Moritz Lennert <mlennert at club.worldonline.be>:
>> Sounds like the lines do not have category values associated to them (which
>> is done automatically during import), so you probably need to run
>> v.category, before running v.buffer.
> 
> is there any reason why v.buffer should ignore features without
> category. At least warning should be printed out.

Or a flag to only use the features with category values...

At least it is documented in the man page:

"v.buffer creates a buffer around features of given type, which have a 
category in the given layer."

And bufcol requires features with categories...

Moritz