g3topbm


SYNOPSIS
       g3topbm [-kludge] [-reversebits] [-stretch] [g3file]

DESCRIPTION
       Reads  a Group 3 fax file as input.  Produces a portable bitmap as out-
       put.

OPTIONS
       -kludge
              Tells g3topbm to ignore the first few lines of the  file;  some-
              times fax files have some junk at the beginning.

       -reversebits
              Tells g3topbm to interpret bits least-significant first, instead
              of the default  most-significant  first.   Apparently  some  fax
              modems do it one way and others do it the other way.  If you get
              a whole bunch of "bad code word" messages, try using this flag.

       -stretch
              Tells g3topbm to stretch the  image  vertically  by  duplicating
              each row.  This is for the low-quality transmission mode.

       All flags can be abbreviated to their shortest unique prefix.

REFERENCES
       The standard for Group 3 fax is defined in CCITT Recommendation T.4.

BUGS
       Probably.

SEE ALSO
       pbmtog3(1), pbm(5)

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



                                02 October 1989                     g3topbm(1)
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