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
-