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- ppmquantall(1) AMIGA (27 July 1990) ppmquantall(1)
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- NAME
- ppmquantall - run ppmquant on a bunch of files all at once,
- so they share a common colormap
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- SYNOPSIS
- ppmquantall ncolors ppmfile ...
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- DESCRIPTION
- Takes a bunch of portable pixmap as input. Chooses ncolors
- colors to best represent all of the images, maps the
- existing colors to the new ones, and overwrites the input
- files with the new quantized versions.
-
- Verbose explanation: Let's say you've got a dozen pixmaps
- that you want to display on the screen all at the same time.
- Your screen can only display 256 different colors, but the
- pixmaps have a total of a thousand or so different colors.
- For a single pixmap you solve this problem with ppmquant;
- this script solves it for multiple pixmaps. All it does is
- concatenate them together into one big pixmap, run ppmquant
- on that, and then split it up into little pixmaps again.
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- (Note that another way to solve this problem is to pre-
- select a set of colors and then use ppmquant's -map option
- to separately quantize each pixmap to that set.)
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- SEE ALSO
- ppmquant(1), ppm(5)
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- BUGS
- It's a csh script. Csh scripts are not portable to System
- V. Scripts in general are not portable to non-Unix
- environments.
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- AUTHOR
- Copyright (C) 1991 by Jef Poskanzer.
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- Page 1 (printed 10/19/91)
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