Re: [GRASS-user] v.generalize for polygons?

2008-03-03 Thread Wolf Bergenheim
Hamish, I played around with the map you gave me, and I think I found a way around the problem (though I'm still not very sure about what the real problem is, perhaps too many small areas or too many shorter segments (the boundary seems to be built of a number of smaller lines). I'll try to

Re: [GRASS-user] v.generalize for polygons?

2008-02-27 Thread Daniel Bundala
Hi, I am not sure that I understand correcly what you are trying to do, but as far as I remember, the boundaries are generalized as polylines. That is, if the boundary contains some corners, they might be removed which might create the holes. Also, ovesimplified lines are removed by default.

Re: [GRASS-user] v.generalize for polygons?

2008-02-27 Thread Hamish
Hamish: I have a high-res vector area map of regional districts which I wish to generalize. I am having trouble with finding the correct method in v.generalize to use. Currently every thing I try tends to break the area topology and leave only a portion of the now- open boundary. I have

[GRASS-user] v.generalize for polygons?

2008-02-26 Thread Hamish
Hi, I have a high-res vector area map of regional districts which I wish to generalize. I am having trouble with finding the correct method in v.generalize to use. Currently every thing I try tends to break the area topology and leave only a portion of the now-open boundary. i.e. it should