Ppmtopj User Manual(0) Ppmtopj User Manual(0) NAME ppmtopj - convert a PPM image to an HP PaintJet file SYNOPSIS ppmtopj [-gamma val] [-xpos val] [-ypos val] [-back {dark|lite}] [-rle] [-center] [-render { none | snap | bw | dither | diffuse | monodither | monodiffuse | clusterdither | monoclusterdither }] [ppmfile] DESCRIPTION This program is part of Netpbm(1) ppmtopj reads a PPM image 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 convert your input to this format like this: pamseq 3 1 testimg.ppm >8color.pam pnmremap -map 8color.pam testimg.pam | ppmtopj Or you could use ppmdither -red 2 -green 2 -blue 2 OPTIONS -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 compared to the foreground. -render alg Use an internal rendering algorithm (default dither). -gamma int Gamma correct the image using the integer int 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. SEE ALSO HP PaintJet XL Color Graphics Printer User's Guide, pnmtopclxl.html(1) , pjtoppm.html(1) , pamdepth(1) , pnmremap(1) , pamseq(1) , ppmdither(1) , pbmtolj.html(1) , ppmtolj(1) , thinkjettopbm(1) , ppm(5) AUTHOR Copyright (C) 1991 by Christos Zoulas. netpbm documentation 13 July 1991 Ppmtopj User Manual(0)