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PBMSHIFT(1l)                                                      PBMSHIFT(1l)


NAME

       pbmshift - shift a PBM-P4-file to the right lower corner


SYNOPSIS

       pbmshift infile topmargin leftmargin outfile


DESCRIPTION

       Pbmshift reads a PBM file in P4 format and produces a new PBM file in
       P4 format.  The output is shifted to the right by leftmargin pixels and
       to the lower by topmargin pixels.  This tool can be used to modify the
       image produced as export output of the VCG tool from a graph before
       printing it on paper.  In this way, margins can be produced to position
       the image on the paper.  Negative margins are allowed.


WARNING

       This utility does not work with the PBM-P1-format !!!  It is not a
       general conversion utility but only a small demonstation how to deal
       with the output of the VCG tool.  There are excellent standard
       utilities for PBM-Files by Jef Poskanzer (pnmmargin) but pbmshift
       should be much faster on large files.


SEE ALSO

       vcg(l) pnmmargin(l) pbmrot90(l) pbm2hp(l)


BUGS

       Currently, no bugs are known.


ACKNOWLEDGEMENT

       Jef Poskanzer is the initiator and main implementor of the PBM package
       that contains various image processing routines and printer drivers.


AUTHOR

       Georg Sander, University of Saarland.

Release 1.3                       1995/01/05                      PBMSHIFT(1l)

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