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pnmflip

Section: User Commands (1)
Updated: 25 July 1989
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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.


 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
SEE ALSO
AUTHOR