Didn't get much time to work since the last update. A few quick changes. First is that I fixed a bug in the subdivision routing. Edge triangles cannot be more than one level of subdivision away from any given triangle. This immediatelly allows the mesh to be a lot smoother. Though in no way smooth enough for proper terrain. Secondly I added some simple coloring to show height, from the black depths of the ocear to the snow peaked mountains (sounds more impressive than it is).