[GRASS-user] [newbie] How to split an area with v.digit?

[Robert Pollak]

Tom Russo schrieb:
>> I have used v.digit to define a closed area with several border vertices 
>> and a centroid.
>> Now I want to subdivide the area into two parts. How can I do this?
> 
[...]
> Near as I can tell, one can get close to this by digitizing the first areas,
> then digitizing the splitting lines so that they intersect the exisitng 
> boundaries, then using v.clean to break lines at intersections and remove
> dangles.

Thank you - this is cubersome, but working.
I am defining an intersecting border line, then I use

GRASS 6.0.1 (spearfish60):~ > v.clean input=map1 output=map2 
tool=break,rmdangle thresh=0,30

-- Robert