Jun 062007
 

In order to demonstrate oscillations in the Earth’s magnetosphere, I wanted to turn a sequence of static images into an animation.

A given set of frame images can be combined to form an MPEG-4 movie using mencoder. In this case the source files were png images with resolution 320×240, and I wanted 24 frames per second.
mencoder mf://*.png -mf w=320:h=240:fps=24:type=png -ovc lavc -lavcopts vcodec=mpeg4:mbd=2:trell -oac copy -o output.avi

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