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Ppmtorgb3 User Manual(0)                              Ppmtorgb3 User Manual(0)



NAME
       ppmtorgb3 - separate a PPM image into three PGMs


SYNOPSIS
       ppmtorgb3

       [ppmfile]


DESCRIPTION
       This program is part of Netpbm(1).

       ppmtorgb3  reads a PPM image as input and writes three PGM images as output, one each for red, green, and blue.

       ppmtorgb3 constructs the output filenames by taking the  input  filename,  stripping  off  any  extension,  and
       appending  .red,  .grn,  .blu.   For  example,  separating  lenna.ppm would result in lenna.red, lenna.grn, and
       lenna.blu.  If the input comes from stdin, the names are noname.red, noname.grn, and noname.blu.


SEE ALSO
       rgb3toppm(1), pamchannel(1), ppmtopgm(1), pgmtoppm(1), ppm(1), pgm(1)



AUTHOR
       Copyright (C) 1991 by Jef Poskanzer.



netpbm documentation            10 January 1991       Ppmtorgb3 User Manual(0)