psidtopgm


SYNOPSIS
       psidtopgm width height bits/sample [imagedata]

DESCRIPTION
       Reads  the  "image"  data  from a PostScript file as input.  Produces a
       portable graymap as output.

       This program is obsoleted by pstopnm.  What follows was written  before
       pstopnm existed.

       This  is a very simple and limited program, and is here only because so
       many people have asked for it.  To use it you have to manually  extract
       the readhexstring data portion from your PostScript file, and then give
       the width, height, and bits/sample on the  command  line.   Before  you
       attempt  this,  you should at least read the description of the "image"
       operator in the PostScript Language Reference Manual.

       It would probably not be too hard to write a script that uses this fil-
       ter  to  read a specific variety of PostScript image, but the variation
       is too great to make a general-purpose reader.  Unless, of course,  you
       want to write a full-fledged PostScript interpreter...

SEE ALSO
       pnmtops(1), pgm(5)

AUTHOR
       Copyright (C) 1989 by Jef Poskanzer.



                                 02 August 89                     psidtopgm(1)
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