You may purchase TruFlite for Windows directly from us or at the following companies:
MapServer is an http://mapserver.gis.umn.edudevelopment environment for building spatially-enabled internet applications:
ComputaMaps, Cape Town, South Africa, offers a wide variety of digital maps and software: http://www.computamaps.com
Intermap Technologies: http://www.intermap.com
RockWare, Inc. distributes more than 40,000 product catalogs of earth science software applications annually: http://www.rockware.com
DEM Data available on the Web
In accordance with NASA policy, the USGS EROS Data Center hosts and distributes SRTM data via the USGS Seamless Data Distribution System - Enhanced. http://srtm.usgs.gov
The U.S. Geological Survey offers 3 arc second (1 degree) and the new USGS GTOPO30 data format (2-byte binary files with extension .DEM). digital elevation data sets at these sites: http://edcwww.cr.usgs.gov
TopoSys GmbH - this company in Ravensburg, Germany supplies laser DEMs in 1m! resolution. Perfect for 3D views of cities, forestry studies and much more: http://www.toposys.de
Our own guide to 7.5 minute DEMs. Simply download these ASCII tables or Microsoft Excel sheets to get the names of all DEMs currently available: http://www.truflite.com/text/demguide.htm
Guide to 7.5 minute DEMs of California that are provided by the California State University at Northridge. Together with the new demo version you can make use of this list of high resolution California elevation data.: http://www.csun.edu
The most comprehensive listing of Digital Elevation Data available is by Bruce Gittings and can be found at: http://www.geo.ed.ac.uk/home/ded.html.
Neat Magazines & Their Web Sites
geoplace.com (formerly GIS World Online), the premier perodical and web site for GIS professionals and students: http://www.geoplace.com
3DArtist Magazine, a neat magazine for 3D enthusiasts: http://www.3dartist.com
Earth Observation Magazine, Geospatial Technologies In Your World: http://www.eomonline.com/
GeoBIT, a German language GIS publication: http://www.geopoint.de
Other Sites of Interest
Eric T. Lund created gorgeous vistas with our program: http://www.zappow.net
Since we have opened the door to data formats from Idrisi, Arc/Info and Erdas Imagine, here are links to find out more about these products. Idrisi: http://www.clarklabs.org, Arc/Info: http://www.esri.com, Erdas Imagine: http://www.erdas.com
PDS Mars Explorer for the Armchair Astronaut - Martian texture data retrieval as easy as on Earth: http://astrogeology.usgs.gov/Projects/MarsPDSExplorer/
Online CDROMs at the PDS Imaging Node (Imaging Node of the Planetary Data System): http://pds-imaging.jpl.nasa.gov/
Johns Hopkins University/Applied Physics Laboratory - Ray Sterner also has a homepage loaded with great relief images of the U.S., including some created with TruFlite: http://fermi.jhuapl.edu/s1r/people/res/res.html
AGIS, a mapping and simple geographic information system: http://www.agismap.com
Want to join the Architecture Ring?
We will be adding to these links regularly, so check back often.
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