Get edges from projected curve

[bntheman]

I wanted to use the split mesh from projected curve inside of my script. I then need to extrude the split edges Maya has projected and connect them to another mesh. Once I have called the project curve on mesh and then split the mesh where the curve has been projected, is it possible to retrieve those edges so that I can extrude those edges and connect them to another mesh?

[nowayfra]

Get the highest vertex index of your mesh before splitting with the projected curve, then after splitting get the highest index again. The range of vertices between teh old and the new highest index are the newly created vertices along your split path, and converting them into their contained edges gives you the split path edges.

[joojaa]

Well while that will find the thing your after its not necceserily a very good idea to use this strategy at all, because the spliting polygons that you end up making can be more trouble than they are worth. To combat this its probably better if you locally rebuild your toppology once youve finished with what your doing. You can somwhet automate this by flattening the underlying terrain first cut in that split into shape and then drop that on top of the problematic gemoetry with a wrap or collsion simulation.