I made a request to update r.contour so it doesn't generate lines that double back on themselves:
http://wald.intevation.org/tracker/?func=detail&atid=188&aid=415&group_id=21
Markus mentioned an old r.contour2 that looks promising:
http://grass.itc.it/outgoing/grass5/
I got as far as updating the header includes to the <grass/*.h> style and fiddling with the makefile, but there are the API changes that cause compile errors, and it may not even be completed. This is beyond my C ability, so I'm asking if anyone is willing to tackle this task?
-----
William Kyngesburye <kyngchaos*at*kyngchaos*dot*com>
http://www.kyngchaos.com/
Theory of the Universe
There is a theory which states that if ever anyone discovers exactly what the universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarrely inexplicable. There is another theory which states that this has already happened.
-Hitchhiker's Guide to the Galaxy 2nd season intro