namdac,
Thanks for the response. My application is making maps using stereo imagery from arial photographs. We use only linestrings and cells to describe features in a top view. The 3d aspects are for topographic(contour)reasons only.We acheive the end 3d map using a "puck" or large mouse while...
Does anyone know of a way to add a vertex to a 3d line without affecting the elevation. That is, without changing my "az" and then adding a vertex. Thanks