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Problem with exif:orientation

Posted: Thu Jun 23, 2016 5:51 pm
by herb
Hello,

working with XnViewMP 0.80 I have a problem with rotating an image by 180 degrees.

I open XnViewMP in browser mode and see all thumbnails of images in the selected directory.
Pressing e.g.: "rotate left" the exif tag exif:orientation will change properly.
Working only with "rotate left" or "rotate right" always works properly - no problems.

But pressing "rotate 180" sets the value of exif:orientation to 180 (= 0x00b4).
After this the value is displayed as "unknown 180".

I can reproduce this error also with version 0.79.

Best regards
Herb

Re: Problem with exif:orientation

Posted: Fri Jun 24, 2016 1:14 pm
by xnview
could you send me the file used?

Re: Problem with exif:orientation

Posted: Tue Jun 28, 2016 12:39 pm
by xnview
do you use 'jpeg lossless>rotate 180' from browser??

Re: Problem with exif:orientation

Posted: Tue Jun 28, 2016 1:19 pm
by herb
Hello Pierre,

you are right, I always was in browser mode only.

Bets regards
Herb

Re: Problem with exif:orientation

Posted: Tue Jun 28, 2016 1:23 pm
by xnview
strange, i've tried with your file, and exif:orientation is good

Re: Problem with exif:orientation

Posted: Tue Jun 28, 2016 1:57 pm
by herb
Hello Pierre,

thanks for your investigations. It is really strange. But may be we use different settings.

I repeated the test and the error still occurs:
- working in browser mode
- using command cmd_rotate180 (without an l in commandname)
- tools -> settings->browser -> Misc.: "change exiforientation only" is checked
- tools -> settings->browser -> Misc.: "use lossless rotation (if possible)" is unchecked

Best regards
Herb

Re: Problem with exif:orientation

Posted: Tue Jun 28, 2016 2:49 pm
by xnview
herb wrote: - tools -> settings->browser -> Misc.: "change exiforientation only" is checked
- tools -> settings->browser -> Misc.: "use lossless rotation (if possible)" is unchecked
now i can reproduce :)

Re: Problem with exif:orientation

Posted: Tue Jun 28, 2016 2:54 pm
by xnview
See Issue 893 for details.

Re: Problem with exif:orientation

Posted: Thu Feb 23, 2017 3:15 pm
by helmut
This problem is supposed to be fixed in 0.82 and later. Could you please check, herb?

Re: Problem with exif:orientation

Posted: Fri Feb 24, 2017 11:24 am
by herb
Hello Pierre, hello Helmut,

Yes, the problem with Rotate 180 is fixed in version 0.84.

By the way, I want to say thanks to all, going through all problems and errors to classify them as e.g. open, reproduced etc.
This is very very useful to keep an overview about all reported problems and also done corrections.
Thanks again.

Best regards
Herb

Re: Problem with exif:orientation

Posted: Fri Feb 24, 2017 11:30 am
by helmut
herb wrote:Yes, the problem with Rotate 180 is fixed in version 0.84.
herb wrote:By the way, I want to say thanks to all, going through all problems and errors to classify them as e.g. open, reproduced etc.
This is very very useful to keep an overview about all reported problems and also done corrections.
Thank you for your kind words and your appreciation, herb! It's good to read that the change in bug handling is noticed and considered to be useful. :)