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rawtopgm.man
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1995-03-17
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rawtopgm(1) AMIGA (15 December 89) rawtopgm(1)
NAME
rawtopgm - convert raw grayscale bytes into a portable
graymap
SYNOPSIS
rawtopgm [-headerskip N] [-rowskip N] width height
[imagedata]
DESCRIPTION
Reads raw grayscale bytes as input. Produces a portable
graymap as output. The input file is just grayscale bytes.
You have to specify the width and height on the command
line, since the program obviously can't get them from the
file. The maxval is assumed to be 255. If the resulting
image is upside down, run it through pnmflip -tb .
OPTIONS
-headerskip
If the file has a header, you can use this flag to skip
over it.
-rowskip
If there is padding at the ends of the rows, you can
skip it with this flag. Note that rowskip can be a
real number. Amazingly, I once had an image with 0.376
bytes of padding per row. This turned out to be due to
a file-transfer problem, but I was still able to read
the image.
SEE ALSO
pgm(5), rawtoppm(1), pnmflip(1)
AUTHOR
Copyright (C) 1989 by Jef Poskanzer.
Page 1 (printed 10/19/91)