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December 2005
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2005.12.05 23:07 "Re: how to split layers in tiff file", by John Engelke
There is information about a Photoshop-specific Image Source Data tag in the March 22, 2002, posting of Adobe Photoshop TIFF Technical Notes. ( http://partners.adobe.com/public/developer/en/tiff/TIFFphotoshop.pdf ) It states that the tag "37724" contains "the layer and mask information found in a typical layered Photoshop file". So that is where the information on photoshop layers, not channels, is contained. Does anyone know of a TIFF processing library, command-line tool, API or anything else that can deal with this Adobe tag. I know that Photoshop and GIMP deal with it, and I am just hoping for something server side, libtiff or otherwise. I am sorry I would develop this myself but there is just no time, that is why I am seeking a mature library that can handle these things. Please help ... P.S. The handling of Photoshop layers would be a great addition to libtiff ... (that is if I'm not mistaken by now that it can't handle this ...)