pnmflip(1)

NAME

   pnmflip - perform one or more flip operations on a portable anymap

SYNOPSIS

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

DESCRIPTION

   Reads   a  portable  anymap  as  input.   Performs  one  or  more  flip
   operations, 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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Free and Open Source Software