Mapping Center Answer:

We are working on creating a model to do the 3D tree effect, but in the meantime, you can download a PowerPoint that describes in detail how to achieve this cartographic effect. Go to the Other Resources tab here on Mapping Center and scroll down to find the link to this PDF:

2005, July 25-29, 25th ESRI UC 2005, Cartography: Advanced Cartographic Effects, Buckley, A. & D. Barnes, PDF (1.1MB).

The bottom notes for this presentation (see slide 36) take you step-by-step through the bump mapping process, as well as a number of other really neat cartographic effects used on the Crater Lake map.

Note that there is also a paper on bump mapping given at the 2003 User Conference that you can download from our Web site: http://proceedings.esri.com/library/userconf/proc03/p0137.pdf. This was written by Jeff Nighbert who is as far as I know the first one to implement this technique in ArcGIS. He also did a presentation on an even more refined bump mapping technique &ndash here is the abstract for that presentation: http://proceedings.esri.com/library/userconf/proc07/papers/abstracts/a1343.html. You can also check out a paper by Tom Patterson of the National Park Service – he used the technique as well but he achieved it using Photoshop. Here is the link to that paper: Getting Real: Reflecting on the New Look of National Park Service Maps (http://www.shadedrelief.com/realism/index.html). And while you are here, you might check out the rest of Tom’s web site – ShadedRelief.com.