pnmflip


SYNOPSIS
       pnmflip      [-leftright|-lr]     [-topbottom|-tb]     [-transpose|-xy]
       [-rotate90|-r90|-ccw ] [-rotate270|-r270|-cw ] [-rotate180|-r180] [pnm-
       file]

DESCRIPTION
       Reads  a  portable  anymap  as input.  Performs one or more flip opera-
       tions, in the order specified, and writes out a portable anymap.

OPTIONS
       The flip operations available are: left for right (-leftright or  -lr);
       top  for  bottom  (-topbottom or -tb); and transposition (-transpose or
       -xy).  In addition, some canned concatenations are available: -rotate90
       or  -ccw  is  equivalent to -transpose -topbottom; -rotate270 or -cw is
       equivalent to -transpose -leftright; and -rotate180  is  equivalent  to
       -leftright -topbottom.

       All flags can be abbreviated to their shortest unique prefix.

SEE ALSO
       pnmrotate(1), pnm(5)

AUTHOR
       Copyright (C) 1989 by Jef Poskanzer.



                                 25 July 1989                       pnmflip(1)
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