Originally posted by calbuq:
My models consist of bunch NURBS surfaces glued together. I would like that when I render the surfaces the points that belong to a given plane to be drawn with a different color, thus outlining the intersection of the surfaces with the plane.
I tried an approach using two parallel clipping planes very close to each other, but the results were visually poor.
Is there a way to set the renderer such that when it draws a point to the screen that belongs to a plane then it uses another color?
I was also thinking about using that function that maps the screen coordinates into the space coordinates, changing the color of the point if it belongs to a given plane. But then I would have to test each point of the screen, and I don't know if that would be a good approach.
Any ideas are welcome!