Re: OT: JPEG EXIF Image Orientation
Re: OT: JPEG EXIF Image Orientation
- Subject: Re: OT: JPEG EXIF Image Orientation
- From: Joe Moreno <email@hidden>
- Date: Tue, 06 Jul 2010 18:26:24 -0700
Matt,
BINGO! exiftool has a wealth of info; specifically it has the
Orientation tag which is what I was looking for (not to mention access
to all of the photo's GPS data too).
I don't know how I could have overlooked that before.
Unfortunately, we have WebObjects running on Mac OS X Server 10.4.11,
which doesn't have the exiftool command, but we can fix that.
Many thanks,
Joe
On Jul 6, 2010, at 15:54:04, Matthew Ness wrote:
We use MediaRich to do most of our heavy lifting.
exiftool should do what you want too.
Cheers,
Matt
On 6 Jul 2010 19:50, "Joe Moreno" <email@hidden> wrote:
*S**ummary*
Can anyone recommend either a Java library or command line app that
can
look
into a JPEG's EXIF data in order to determine its orientation (i.e.
which
way is up)? This seems like it should be an easy problem to solve,
but I
haven't had any luck finding the answer.
**
*B**ackground*
Some of you may have noticed that photos taken with iOS 4 no longer
automatically rotate "right side up". Instead, the orientation is
placed
in
the EXIF data. Software rendering the photo must look at the EXIF
data in
order to correctly display the photo. This issue is easily
demonstrated by
snapping a photo in landscape mode, with an iOS 4 iPhone, and then
e-mailing
it to yourself and viewing it in a version of Mail prior to Snow
Leopard
where you'll see that the image is sideways. (See attached screen
shot.)
*WebObjects & SIPS*
I have a WebObjects project which worked beautifully with the
iPhone until
the release of iOS 4. The project uses Mac OS X's sips command line
app to
resize photos (sips can also rotate images and it's highly
optimized for
Mac
OS X – I have yet to find anything else that's faster
Sips only allows you to examine certain EXIF data tags; and JPEG
orientation
isn't one of them.
Any help is greatly appreciated.
Cheers,
Joe
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