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.\" RCSid "$Id" |
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.TH PROTATE 1 10/27/98 RADIANCE |
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.SH NAME |
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protate - rotate a RADIANCE picture. |
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.SH SYNOPSIS |
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.B protate |
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[ |
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.B \-c |
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][ |
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.B \-r |
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] |
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.B input |
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[ |
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.B output |
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] |
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.SH DESCRIPTION |
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.I Protate |
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rotates a RADIANCE picture 90 degrees. |
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This is useful for output on hardcopy devices with aspect ratios opposite |
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to the input picture. |
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By default, the image is rotated clockwise. |
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The |
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.I \-r |
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option may be used to rotate the image counter-clockwise instead. |
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.PP |
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The |
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.I \-c |
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option indicates that the action is to correct an improper original |
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image orientation, thus the recorded scanline ordering should not |
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be changed. |
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.SH NOTES |
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To rotate an image 180 degrees, use |
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.I pflip(1) |
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with both the |
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.I -h |
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and |
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.I -v |
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options. |
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.SH AUTHOR |
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Greg Ward |
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.SH "SEE ALSO" |
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getinfo(1), pcompos(1), pfilt(1), pflip(1), psign(1), rpict(1) |