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CentOS 7.0 - man page for pbmtog3 (centos section 0)

Pbmtog3 User Manual(0)							   Pbmtog3 User Manual(0)

       pbmtog3 - convert a PBM image into a Group 3 MH fax file

       pbmtog3 [-reversebits] [-nofixedwidth] [pbmfile]

       This program is part of Netpbm(1)

       pbmtog3 reads a PBM image as input and produces a Group 3 MH fax file as output.

       You can also generate a TIFF file that uses the same encoding inside, with pamtotiff.

       There  is  no  program in Netpbm that generates other fax formats, such as MR and MMR, but
       pamtotiff can generate TIFF files that use those encodings.

	      This option causes the output to have the bits in every byte reversed so the  least
	      significant  bit becomes the most significant bit.  Apparently, there is some ambi-
	      guity in transmission protocols so that the bits get reversed on transmission,  and
	      this  compensates  for  that.  If you get a whole bunch of "bad code word" messages
	      when you try to read the G3 file (e.g. with g3topbm), try using this option.   Note
	      that the output is not G3 when you use this option.

	      Most  fax  machines  expect  the image to be 1728 columns wide, so pbmtog3 cuts the
	      output to this width by default.	If you want to keep the  width	of  the  original
	      image, use this option.

	      This  option  was new in Netpbm 10.6 (July 2002).  Before that, pbmtog3 always kept
	      the width of the original image.

       g3topbm(1) , pamtotiff(1) , pbm(1)


       Copyright (C) 1989 by Paul Haeberli <paul@manray.sgi.com>.

netpbm documentation			 03 December 2008		   Pbmtog3 User Manual(0)

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