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July 2008
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2008.07.03 18:19 "Re: eta for bigtiff support?", by Stephen Carlsen
Hi Gary, In case it is helpful to you, Joris, or whomever, there exists a document that purports to be a synthesis of "Classic TIFF" and "Big TIFF" and may at least be a good starting point for updated documentation. It is currently in web form, since it seemed to me that this was the most natural way to include up-to-date links to important places like http://lists.maptools.org, but a PDF equivalent could be easily generated. http://tiffcentral.com Though I do work for Adobe, the document / web site is neither sponsored by or connected with Adobe in any way. I just felt that there should be some central specification-oriented TIFF information site. If you all think it's a good idea, I'll keep the site up. If you don't, I'll kill it. Best regards, Stephen At 11:46 AM -0400 7/3/08, Gary McGath wrote: >Frank Warmerdam wrote: >>Gary McGath wrote: > >>>There's a reason for the lack of feedback. The documentation at >>>http://www.awaresystems.be/imaging/tiff/bigtiff.html says: >>> >>>>This is a proposal, not a specification. Don't go implementing it just >>> >yet and releasing your code to the public, it has not yet been approved >>> >and is liable to change. You don't want to be the one whose files turn >>> >out invalid in 6 months from now. >>> >>>It shouldn't be surprising that people aren't jumping in to test when the >>>definition of BigTIFF is still in flux, and has shown no sign of >>>approaching a stable specification. >> >>Gary, >> >>The specification is not in flux - however, clearly some of the >>documentation >>and web site materials have not been kept up to date and are off-putting >>to >>adoption. >> >>Joris - can you address some of this? > >Yes, please. Approval by a major standards body or by Adobe would be very >nice, but what's vital is public information that's available for >reference. For instance, when the Global Digital Format Registry goes >public, we're going to want to point to a document somewhere that says, >"This is what the format is." If the documentation says it's only a draft >and that no one should rely on its stability, people will take it at its >word and avoid any serious use of the format. > >-- >Gary McGath >Digital Library Software Engineer >Harvard University Library Office for Information Systems >http://hul.harvard.edu/~gary/index.html > >_______________________________________________ >Tiff mailing list: Tiff@lists.maptools.org >http://lists.maptools.org/mailman/listinfo/tiff >http://www.remotesensing.org/libtiff/