Is it possible to create a video file (playable in VLC) from a collection of pgm files. I would like to do this in Python.
The easiest way I've found to combine images into a movie is to use ffmpeg. Here's a page on how to do that: http://electron.mit.edu/~gsteele/ffmpeg/
There's a pyffmpeg project, I don't know if it supports this kind of frame sticking-together, but here's the URL: http://code.google.com/p/pyffmpeg/