[GRASSLIST:4832] Re: Generating centroids

[Radim Blazek]

David Mahoney wrote:
> I seem to have missed something out of the grass57 tutorials. I have 
> imported some an arc line coverage, converted it to boundaries, and 
> built it as polygons. However, I can't figure out how to assign the 
> attribute from the boundaries to the finished polygons. This should be 
> possible, as the input vectors were doubled along common boundaries (not 
> topological). What I don't want to have to do is to use v.extract to 
> extract each category to a new map, assign the attributes to that map, 
> then patch them all back together. Is there some way to automatically 
> generate centroids?
> 
> David Mahoney

Centroids are generated by v.in.ogr for polygons. You could convert
your lines by a script to GML with polygons for example.

Radim