FlyerTalk Forums - View Single Post - How to add or embed a file, image / photo or video in a post

Oct 11, 2016 | 10:42 am

#109

Zorak

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Quote:

Originally Posted by IBobi

The EXIF data comes from the device it was taken on. Sometimes that data is wrong.

Only way to resolve is to re-save in the correct orientation and then upload.

Per my post #84 (from which it appears IBxAnders borrowed an image to test in post #96

) I am pretty sure it is not the EXIF rotation data that is wrong, but that FT's backend software does not correctly interpret it.

i.e. in plain terms I think the raw image is stored rotated, let's say 90 degrees clockwise, but also includes EXIF data saying "hello image display software, I am rotated 90 degrees clockwise so you should rotate 90 degrees CCW before displaying me." But FT's software ignores that and displays the image as-is.

The conversion tool I described in post #84 takes such an image, rotates it 90 degrees CCW and deletes the EXIF rotation flag. IMO this is NOT a "correction" to the image -- it is a workaround for systems that don't take the EXIF rotation data into account.

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