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g32pbm - Online in the Cloud

Run g32pbm in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command g32pbm that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


g32pbm - convert a Group 3 fax file into a portable bitmap

SYNOPSIS


g32pbm [-reversebits] [-stretch] [g3file]

DESCRIPTION


Reads a Group 3 fax file (raw or digifax) as input. If no filename is given, stdin is
used. Produces a portable bitmap as output.

OPTIONS


-r Tells g32pbm to interpret bits least-significant first, instead of the default
most-significant first ("-reversebits"). Some fax modems do it one way and others
do it the other way. If you get a whole bunch of "invalid code" messages (nearly
one per line), try using this flag.

-s Double each horizontal row of the fax file in the pbm file ("-stretch)". You can
use this to adjust the aspect ratio of a "normal resolution" fax file to match that
of a "fine resolution" fax file. This might not seem like it belongs here, but
it's much faster than using pnmscale|pgmtopbm later. -s is activated automatically
if the file is specified on the command line and its name starts with "fn..."
(fax/normal).

-l(aserjet)
Instead of a portable bitmap (PBM), output HP laserjet files, suitable for direct
printing on a HP laserjet or desjket.

-d <dpi>
Scale output to <dpi> dots per inch before printing. Normal FAX resolution is
204x196 dpi (fine mode), or 204x98 dpi (normal mode). In LaerJet mode, only the
values 75, 150 and 300 are allowed for <dpi>.

-t turn image by 90 degrees clockwise. Multiple -t commands increase angle, that is,
-t -t will turn it upside down, and so on.

-? Print a short command syntax.

REFERENCES


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

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