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February 2010
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2010.02.05 16:36 "Re: eta for bigtiff support?", by Edward Lam
Also recall that TIFF has much more heterogeneous nature compared to PSD files. IMHO, just because Adobe went with a different extension for PSD is a weak argument to begin with. Regards, -Edward Chris Cox wrote: > Yes, and around that time I brought the same arguments and reasons to > the libTIFF team. > And they rejected the idea of a different extension. > > PSD had problems going to a new version because too many third party > implementations were not even checking the version number (or many other > size fields) when reading the files. > > Chris > > > > On 2/4/10 9:35 AM, "Phil Harvey" <phil@owl.phy.queensu.ca> wrote: > > Regarding the choice of extension for BigTIFF: > > For what it's worth, I have just learned the Adobe released new > version of their PSD format back in 2005, called "Photoshop Large > Document Format". This change was very similar to that of BigTIFF in > that a few of the pointers changed from 4 to 8 bytes. They also > changed the file header from "8BPS\0\1" to "8BPS\0\2" so the new file > format could be identified (this was a version number change > according to the specification). > > Adobe uses a different extension for these files (PSB instead of PSD). > > - Phil > > > > > _______________________________________________ > Tiff mailing list: Tiff@lists.maptools.org > http://lists.maptools.org/mailman/listinfo/tiff > http://www.remotesensing.org/libtiff/ > > > ------------------------------------------------------------------------ > > _______________________________________________ > Tiff mailing list: Tiff@lists.maptools.org > http://lists.maptools.org/mailman/listinfo/tiff > http://www.remotesensing.org/libtiff/