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fichtennadel

Posts: 39
Registered: 07/08/07
Image orientation/rotation on iPad
Posted: 31-Jan-2012 15:33
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Attachment iPad.jpg (76,3 KB)
Hello,

there is an issue with image orientation/rotation on iPads: every portrait image seems to be first scaled to landscape and then shown as portrait, which gives somewhat strange effects, see attached image.
Tested on iPad 1 with Turtle 2.1.10

kr,
Georg
Laza

Posts: 7,437
Registered: 09/06/05
Re: Image orientation/rotation on iPad
Posted: 31-Jan-2012 15:49   in response to: fichtennadel in response to: fichtennadel
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I got an iPad2, but haven't seen such yet. Maybe the rotation sensor works different on iPad1? It seems the picture is rotated not only distorted. Do you see this effect with other sites too?
fichtennadel

Posts: 39
Registered: 07/08/07
Re: Image orientation/rotation on iPad
Posted: 31-Jan-2012 23:59   in response to: Laza in response to: Laza
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Attachment Clipboard02.jpg (146,0 KB)
ok, I've finally found the culprit: it's not Turtle skin's fault but caused by JAlbum's metadata handling:

I've generated my album with skin setting Advanced > Metadata > "Include photographic in images" activated (I'd like to keep my IPTC tags etc intact).

Now JAlbum seems to create somewhat unconventional slide images: at least IrfanView shows them unrotated, whereas FireFox rotates them (see screenshot). And iPad seems to behave like IrfanView, it shows portrait images as landscape.

When I generate the album with "Include photographic in images" deactivated, the slide image is ok.

Any idea how to fix this? (besides deactivating the option, which I'd really like to avoid)?
fichtennadel

Posts: 39
Registered: 07/08/07
Re: Image orientation/rotation on iPad
Posted: 01-Feb-2012 00:04   in response to: fichtennadel in response to: fichtennadel
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ok, I did some more analysis: the image rotation does not match the exif orientation tag. When I turn off IrfanView auto rotate option, the image displays correctly.
I'll post this in the bug report forum.
Laza

Posts: 7,437
Registered: 09/06/05
Re: Image orientation/rotation on iPad
Posted: 01-Feb-2012 00:17   in response to: fichtennadel in response to: fichtennadel
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Thanks for tracking down the issue. David - jAlbum author - probably can help with this in the Bug reports forum.
fichtennadel

Posts: 39
Registered: 07/08/07
Re: Image orientation/rotation on iPad
Posted: 01-Feb-2012 00:19   in response to: Laza in response to: Laza
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thanks for your support anyway ;-)

for the sake of completeness, I've reported the problem at http://jalbum.net/forum/thread.jspa?threadID=40874
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