.TH "pfsrotate" 1
.SH NAME
pfsrotate \- Rotate images 90 degrees.
.SH SYNOPSIS
.B pfsrotate
[--r] [--help]
.SH DESCRIPTION
Use this command to rotate images from a stream of pfs. This command is useful
for output on hardcopy devices with aspect ratios opposite to the input image.
By default, the image is rotated clockwise. The --r option may be used to rotate
the image counter-clockwise instead. 

.SH OPTIONS
.TP
--r, -r

Rotate the image counter-clockwise instead of clockwise.

.SH EXAMPLES
.TP
pfsin memorial.hdr | pfsrotate -r | pfsout memorial_gc.hdr

Rotate memorial image 90 degrees counter-clockwise and save to memorial_gc.hdr.

.SH "NOTES"
To rotate an image 180 degrees, use 
.BR pfsflip (1) 
with both the --h and --v options specified.

.SH "SEE ALSO"
.BR pfsin(1)
.BR pfsout(1)
.BR pfsflip(1)

.SH BUGS
Please report bugs and comments to Alexander Efremov
<aefremov@mpi-sb.mpg.de>.