(Somewhat OT) What is Image Capture doing?
(Somewhat OT) What is Image Capture doing?
- Subject: (Somewhat OT) What is Image Capture doing?
- From: "James J. Merkel" <email@hidden>
- Date: Wed, 25 Dec 2002 19:30:35 -0800
I downloaded some images from my digital camera using Image Capture
the other day and discovered that the Exif tags seem to be changed from
previous downloads. Specifically:
1. The tags are now big endian 'MM'. They used to be little endian 'II'.
2. The Software Used tag now says "QuickTime 6.0.1". It used to have
the camera vendor software used.
3. The Orientation tag seems to be duplicated.
4. There is no longer a thumbnail image in the file.
I guess that Image Capture is making these changes to a file when
images are downloaded from a camera. I'm not sure, but this all
probably changed in version 10.2 update of the System. I think there
are other things that have been changed in these image files, but I'm
not concerned about them. I don't like the item 4 change because I used
the thumbnail in my app. Since I now have to scale the main image to a
thumbnail, my app is annoyingly slower.
I guess the bigger point is, why is Image Capture doing this? It seems
to me that the original camera file should be left unchanged when it is
downloaded. It least there should be an option to not modify the file.
I may be missing something, but I don't see any such preference in
Image Capture for this.
Jim Merkel
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