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July 2007
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2007.07.05 15:54 "Re: BigTIFF extension", by Toby Thain
On 4-Jul-07, at 11:41 PM, Joris wrote: > Stephen, > > Stephen Carlsen wrote: >> "Because, for the first time in the 21 year history of TIFF, the >> structure itself has changed, and, accordingly, the 'version number' >> has changed from 42 to 43. (The 'version number' has, of course, been >> 42 since the very beginning of TIFF.) This breaks all existing TIFF >> readers." > > The exact same thing applies to the coming of tiles in TIFF. It > wasn't the structure itself that had changed at that time, but it > was some of the extremely vital tags, which resulted in the same. > It broke all existing TIFF readers. ...only when reading tiled files. Same applies to unknown compressor, unknown photometric, etc... As we keep saying to no effect - BigTIFF is somewhat different because it is a total incompatibility. --T > ... > > Joris Van Damme > info@awaresystems.be > http://www.awaresystems.be/ > Download your free TIFF tag viewer for windows here: > http://www.awaresystems.be/imaging/tiff/astifftagviewer.html > _______________________________________________ > Tiff mailing list: Tiff@lists.maptools.org > http://lists.maptools.org/mailman/listinfo/tiff > http://www.remotesensing.org/libtiff/