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- pnmflip(1) PBM Plus pnmflip(1)
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- NAME
- pnmflip - perform one or more flip operations on a portable
- anymap
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- SYNOPSIS
- pnmflip [-leftright|-lr] [-topbottom|-tb] [-transpose|-xy]
- [-rotate90|-r90|-ccw] [-rotate270|-r270|-cw]
- [-rotate180|-r180] [pnmfile]
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- DESCRIPTION
- Reads a portable anymap as input. Performs one or more flip
- operations, in the order specified, and writes out a port-
- able anymap.
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- 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.
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- All flags can be abbreviated to their shortest unique pre-
- fix.
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- SEE ALSO
- pnm(5), ppmrotate(1)
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- AUTHOR
- Copyright (C) 1989 by Jef Poskanzer.
-
- Permission to use, copy, modify, and distribute this
- software and its documentation for any purpose and without
- fee is hereby granted, provided that the above copyright
- notice appear in all copies and that both that copyright
- notice and this permission notice appear in supporting docu-
- mentation. This software is provided "as is" without
- express or implied warranty.
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- Printed 5/25/90 25 July 1989 1
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