pnmflip

pnmflip

NAME SYNOPSIS DESCRIPTION OPTIONS SEE ALSO AUTHOR

NAME

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

SYNOPSIS

pnmflip [__-leftright__? [__-topbottom__? [__-transpose__? [__-rotate90__? [__-rotate270__? [__-rotate180__? [''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.