This zip file contains the 3dem program for creation of 3D terrain scenes and flyby animations from US Geological Survey Digital Elevation Models.  Unzip and run the enclosed setup.exe to install 3dem and its comprehensive help file on your computer.  Then from the Windows Start Menu choose "Start - Programs - 3dem" to run the 3dem program.

3dem was developed by Visualization Software LLC.  More information about the program and a gallery of terrain scenes and animations can be found at http://www.visualizationsoftware.com/3dem.html.  Any questions or suggestions can be sent to the author, Richard Horne, at r.horne@verizon.net.

