Create an altitude profile for (cycle) routes based on NASA SRTM3 altitude data.

This is my Google Summer of Code 2008 project.

More info:

http://wiki.openstreetmap.org/index.php/Route_altitude_profiles_SRTM

http://sprovoost.nl/category/gsoc

Source code:

http://github.com/Sjors/openstreetmap-route-altitude-profile/tree/master

http://svn.openstreetmap.org/sites/other/route-altitude-profile/trunk/