Post any defects you find in the released or beta versions of the ImageMagick software here. Include the ImageMagick version, OS, and any command-line required to reproduce the problem. Got a patch for a bug? Post it here.
It is opened as portrait image in Windows and EXIF data viewers show that it should be portrait orientation. However, if I launch the following command:
You need to use -auto-orient in any IM convert of your images. And any viewers need to be able to read and rotate according to the EXIF data. Apparently this forum software is not EXIF aware.
I experienced the same problem with the php extension. (Todays last versions, compiled from source ; ImageMagick-7.0.2-2; php lib:imagick-3.4.3RC1)
I made this workaround:
Substitute