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Bug in Bridge CS6: Orientation tag not always properly interpreted

Apr 9, 2012 5:40 AM

Tags: #bug #display #bridge_cs5 #rotate #preview_pane #bridge_cs6_beta #exif_orientation_tag

The Orientation flag in the EXIF metadata can assume eight different integer values with their meanings defined as follows:

 

1: frame's 1st pixel row = picture's top; frame's 1st pixel col = picture's left
2: frame's 1st pixel row = picture's top; frame's 1st pixel col = picture's right
3: frame's 1st pixel row = picture's bottom; frame's 1st pixel col = picture's right
4: frame's 1st pixel row = picture's bottom; frame's 1st pixel col = picture's left
5: frame's 1st pixel row = picture's left; frame's 1st pixel col = picture's top
6: frame's 1st pixel row = picture's right; frame's 1st pixel col = picture's top
7: frame's 1st pixel row = picture's right; frame's 1st pixel col = picture's bottom
8: frame's 1st pixel row = picture's left; frame's 1st pixel col = picture's bottom

 

The values in bold typeface (1, 3, 6, 8) are pure rotations only; they are properly interpreted in Bridge CS6 Beta. The values in regular typeface (2, 4, 5, 7) are rotations plus mirrorings; they are properly interpreted in Bridge's Content pane, i. e. where the thumbnails are. In the Preview pane, however, the display is wrong, reflecting the rotations only but not the mirrorings. When opening a mirrored picture in Camera Raw 7.0 or Photoshop CS6 Beta, it will show up correctly again (i. e. with the orientation tag properly applied), so only Bridge's Preview pane is affected, apparently.

 

By the way, the same bug also is present in Bridge CS5 (and maybe in earlier versions, too, but I didn't check).

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