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ppmtopj(1)									       ppmtopj(1)

       ppmtopj - convert a portable pixmap to an HP PaintJet file

       ppmtopj	[-gamma  val] [-xpos val] [-ypos val] [-back dark|lite] [-rle] [-center] [-render
       none|snap|bw|dither|diffuse|monodither|monodiffuse|clusterdither|monoclusterdither]  [ppm-

       Reads  a  portable pixmap as input and converts it into a format suitable to be printed by
       an HP PaintJet printer.

       For best results, the input file should be in 8-color RGB form; i.e. it should  have  only
       the  8 binary combinations of full-on and full-off primaries.  You could get this by send-
       ing the input file through ppmquant -map with a map file such as:
	   8 1
	   0 0 0      255 0 0	 0 255 0    0 0 255
	   255 255 0  255 0 255  0 255 255  255 255 255
       Or else you could use use ppmdither -red 2 -green 2 -blue 2.

       -rle	     Run length encode the image.  (This can result in larger images)

       -back	     Enhance the foreground by indicating if the background is light or dark com-
		     pated to the foreground.

       -render alg   Use an internal rendering algorithm (default dither).

       -gamma int    Gamma correct the image using the integet parameter as a gamma (default 0).

       -center	     Center the image to an 8.5 by 11 page

       -xpos pos     Move by pos pixels in the x direction.

       -ypos pos     Move by pos pixels in the y direction.

       HP PaintJet XL Color Graphics Printer User's Guide

       pnmdepth(1), ppmquant(1), ppmdither(1), ppm(5)

       Most of the options have not been tested because of the price of the paper.

       Copyright (C) 1991 by Christos Zoulas.

					   13 July 1991 			       ppmtopj(1)
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