The VTP distribution contains the libraries, demos, data, and completely open source for the Virtual Terrain Project.  It is written to run on fast Windows or Linux machines with 3D acceleration.  To date, there are around 6500 VTP recipients in 130 countries.

You will want to have a fast internet connection, as the complete distribution with demo data is around 45 MB.  That's roughly 2 hours with dialup, or 1-5 minutes with broadband.

To download, send an email to with the following information:

After you have sent the email, you should go immediately to

You are highly encouraged to join a mailing list to be informed of VTP news and information, find other people working in your part of the world, to ask support questions, or to discuss any kind of virtual terrain issues.

Your contact information will not be shared without your permission.