ppmspread
displace a portable pixmap’s pixels by a random amount
see also :
pnmconvol
Synopsis
ppmspread
amount [ppmfile]
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examples
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description
Reads a
portable pixmap as input. Moves every pixel around a bit
relative to its original position. amount determines by how
many pixels a pixel is to be moved around at most.
Pictures
processed with this filter will seem to be somewhat
dissolved or unfocussed (although they appear more coarse
than images processed by something like pnmconvol
).
see also
ppm,
pnmconvol
author
Copyright (C)
1993 by Frank Neumann