[GRASS-dev] Individual vector feature processing: v.clump?

Markus Metz markus.metz.giswork at gmail.com
Wed Dec 3 12:47:43 PST 2014


On Wed, Dec 3, 2014 at 5:51 PM, Markus Neteler <neteler at osgeo.org> wrote:
> Hi,
>
> for a calculation I need to loop over all vector features in a map in
> order to perform individually a computation. For that I cannot use the
> category information since it may be used as 1:n link.
>
> I wonder if a new v.clump command would make sense or the addition of
> a new method in v.category to simplify this task?

Adding unique categories to a new layer for the features in question
with v.category (take care of the type option) does not work in this
case?

Markus M

> Eventually I would implement the processing loop as a Python script.
>
> Markus
> _______________________________________________
> grass-dev mailing list
> grass-dev at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/grass-dev


More information about the grass-dev mailing list