Computer-generated backdrops - 5
my lower scene, I raised the camera to reflect the different
viewing position. All dimensions in Terragen reflect full-scale
measurements in meters.
The Terragen user interface presents the model elements in
two ways: an outline view and a network view. When starting
out with the tool, the outline view is simpler and keeps every-
thing properly connected. As the model gets more complex,
5
5. The National map Viewer website provides a
graphical interface to select specific areas of the United
States for download of Digital Elevation Maps (DEM).
There are a few tricks to get the correct file format from
the site, and conversion process to produce a file that
can be used by Terragen.
MRH-Jul 2014
