"Autodesk on Tuesday announced it will release as open-source
software a tool that can convert geographic coordinate data from
one format to another. If you're not a map nut, that's the
challenge one might encounter switching, for example, from latitude
and longitude to Universal Transverse Mercator--or from geocentric
latitude to geodetic latitude, for that matter.
"The software, acquired from Mentor Software and used within
Autodesk products already, supports more than 3,000 coordinate
systems, the company said..."