Cadets learn from Civil War 3-D models.

• Position: Tech Talk - U.S. Military Academy's Geospatial Information Science Program - Brief Article

The U.S. Military Academy's Geospatial Information Science Program has purchased a 3-D solid terrain model of the Civil War battlefield at Gettysburg, Pa. It will be used in military history and geography courses.

Computer-cartography instructors plan to present the model--built by Solid Terrain Modeling, in Fillmore, Calif.--as an example of an innovative technology to "visualize the battle-space," said John Brackhaus, the program's director.

"The model was produced from a combination of 30-meter digital elevation model data, from the United States Geological Survey's National Elevation Data set, and Ikonos 4-meter multispectral imagery, from Space Imaging Inc."

In military...