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[[ ap02 | Illustration of apogee skew ]]

Playing with the libgd library

libgd is a 2D surface drawing package, useful for drawing things like orbits. You can do GIF animations with it.

Animation of a cheesy serversat in a cheesy Kepler orbit

Illustration of apogee skew

libgd (last edited 2011-04-12 01:18:06 by KeithLofstrom)