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Camera compass function
Discussion created by
on Jun 3, 2011
on Jun 8, 2011 by pml
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When collecting photos is there a way to collect the compass or other sensor data and have it included in the feature?
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Jun 8, 2011 11:01 AM
Since you asked the question, I thought it was worth checking if Apple stores the heading as EXIF data in photos taken with iPhone 4. I used EXIF reader to check - they do not.
Pretty sure you would have to write your own application to do this. You probably know this already. I would think iOS has a class that will help you put the heading in with the EXIF data. I don't know for sure. You would probably want to test the magnetometer before relying on it.
Here is a guide about retrieving headings that might be helpful:
Here is a guide on image I/O (which talks about EXIF data; this may not be for iOS):
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