protate - Online in the Cloud

PROGRAM:

NAME

protate - rotate a RADIANCE picture.

SYNOPSIS

protate [ -c ][ -r ] input [ output ]

DESCRIPTION

Protate rotates a RADIANCE picture 90 degrees. This is useful for output on hardcopy
devices with aspect ratios opposite to the input picture. By default, the image is
rotated clockwise. The -r option may be used to rotate the image counter-clockwise
instead.

The -c option indicates that the action is to correct an improper original image
orientation, thus the recorded scanline ordering should not be changed.

NOTES

To rotate an image 180 degrees, use pflip(1) with both the -h and -v options.

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