Hi. The reason we are no longer including EXIF in PNG iis because some (older?) versions of libexiv2 will not be able to parse the files if we add EXIF to the files (even when using EXIV2. This will make programs like DigiKam unable to read any meta-data from the file, even if we also add XMP data.
So if we add EXIF to PNGs (using the unofficial method), you might experience some programs that are unable to read any meta-data from the files. So because of that we only add XMP data. Regards, Klaus Post http://www.klauspost.com On Tue, Jan 11, 2011 at 00:00, David Vincent-Jones <[email protected]>wrote: > It looks as if we have lost EXIF data from PNG exports at this time. The > data was being written through some past updates but now it only appears > that a small amount of XMP data is being written. > > It has been suggested to me that PNG format, with its rather poor > compressibility, may not be the best storage format considering today’s > ever increasing image sizes. My past experience with the many flavours > of TIFF has created a personal aversion to that form. Your comments > would be appreciated and I would be interested to know whether there are > intentions to incorporate other formats at some date. > > Cheers; > > David > > > _______________________________________________ > Rawstudio-users mailing list > [email protected] > http://rawstudio.org/cgi-bin/mailman/listinfo/rawstudio-users >
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