This Overview will be short—because
Throughout the text I have hinted at the possibilities of three-dimensional GIS. Before you start into the exercises, let’s look at a list of things you can do with this 3-D visualization and analysis extension. One caveat: There is a lot of overlap between the capabilities of Spatial Analyst and 3D Analyst. For example, both deal with surfaces. Spatial Analyst is more concerned with analysis and 3D Analyst emphasizes display, but these two extensions share some tools and work as a team.