Basic HTML version of Foils prepared 9 April 98

Foil 7 Digital Elevation Models

From 3D Collaborative GIS in CIV Project Rome Laboratory CIV Final Review -- 9 April 98. by Marek Podgorny
A DEM consists of a sampled array of elevations for a number of ground positions that are normally at regularly spaced intervals. These intervals determine the spatial resolution of the DEM.
The USGS offers DEM in Public Domain having a spatial resolution of 90 m whereas commercial organizations have the DEM's at 30 m.

© Northeast Parallel Architectures Center, Syracuse University, npac@npac.syr.edu

If you have any comments about this server, send e-mail to webmaster@npac.syr.edu.

Page produced by wwwfoil on Sun Nov 29 1998