From: <pa...@id...> - 2002-07-10 22:03:06
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> I had a look at it, searched for the ASCII string "Exif" and couldn't > find it. I know that TIFF uses something like EXIF (or EXIF has been > designed with TIFF in mind), but: Are you sure there is real EXIF > information in the TIFF file? Well, these files contain TIFFTAG_ExifOffset 0x8769, which is supposed to be an offset to a private exif directory (in this case somewhere around 0x670 bytes into the file, +-8 due to tiff values being offset 8 bytes past the start of the file), and software such as NikonView is able to read settings such as shutter speed and focal length, so while I don't think you`ll find a standard EXIF header, the data is there. Hmm, now I`m confused, I can't find the tags in the file that NikonView says are there. Ah, hang on, they are there, but in a different byte order. For that file, the shutter speed was 1/250 at f/11, ISO 200, focal length 25mm if that helps you find the values in the file. Thanks, Paul Nolan, CEO Idruna Software Inc. http://www.idruna.com |