.pgm files

[Matthew M Murphy]

Before I begin, I must say that I am rather new to Swarm and particularly
new to Unix.  I am wondering how I would go about editing the .pgm files
(that are essentially 2d arrays of numbers) that come with the
implementation of Sugarscape in Swarm.  I am wondering if it is
possible to edit these with a image/paint program.  I have tried this, and
opened the files successfully, but I have not been able to get the image
program (namely gimp) to save the files in the same 2d array format as the
originals.

Matt


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