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Date: Mon, 12 Dec 2005 18:15:17 -0800 (PST)
From: "Paul J. Lucas" <pauljlucas@mac.com>
To: tiff@lists.maptools.org
Subject: Re: [Tiff] Writing EXIF data?
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Status:   

On Mon, 12 Dec 2005, Bob Friesenhahn wrote:

> On Mon, 12 Dec 2005, Paul J. Lucas wrote:

> > 	OK, but, for 3.7.4, it's still not clear how you set the EXIF
> > 	IFD to <binary chunk of data> --OR-- to use TIFFSetField() with
> > 	EXIF tags.  The 3.7.4 headers do *not* include EXIF tags, e.g,
> > 	EXIF_APERTURE_VALUE (9202.H).
> 
> Maybe that is because EXIF private tag values would conflict with the public
> tag space?

	1. They don't.

	2. Even if they did, obviously standard TIFF encoders and
	   decoders are able to deal with it so whatever code they use
	   is able to handle it in the API.

	- Paul
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