OK, I got the current spec at http://partners.adobe.com/public/developer/en/pdf/PDFReference.pdf
Again, thanks for the explanation. dwilson On Fri, Mar 6, 2009 at 8:34 AM, Daniel Wilson < [email protected]> wrote: > Thank you both. The files I'm working with are actually for a screen > printer ... so that makes sense. > > Now ... to figure out how to display the things ... > > At least I know what the thing means, so I'll dig deeper into the > arguments. I need to download the PDF spec again and go through all that. > > dwilson > > > On 3/6/09, Jeremias Maerki <[email protected]> wrote: >> >> AFAIK, separation is used in offset printing where you print on the same >> paper multiple times with different colorants/inks. One printing plate >> is produced per (separated) color. I'm not sure but separation colors >> might also be used in digital printing when working with spot colors. >> >> http://en.wikipedia.org/wiki/Offset_printing >> >> That's about what I know. >> >> >> On 05.03.2009 21:57:48 Daniel Wilson wrote: >> > I'm trying to implement SetNonStrokingSeparation (a sibling of >> > >> http://svn.apache.org/repos/asf/incubator/pdfbox/trunk/src/main/java/org/apache/pdfbox/util/operator/SetNonStrokingGrayColor.java >> ). >> > >> > This is needed as >> > >> http://svn.apache.org/repos/asf/incubator/pdfbox/trunk/src/main/java/org/apache/pdfbox/util/operator/SetNonStrokingColor.javagives >> > me (when I turn logging on) >> > >> > Not supported colorspace Separation within operator scn >> > >> > on some of the images/documents I'm trying to render. >> > >> > What, conceptually, is a Separation? I know there's >> > >> http://svn.apache.org/repos/asf/incubator/pdfbox/trunk/src/main/java/org/apache/pdfbox/pdmodel/graphics/color/PDSeparation.java >> > , but I'm still a little confused. >> > >> > Does anyone have a clear picture of what it is? >> > >> > Thanks! >> > >> > Daniel Wilson >> >> >> >> >> >> Jeremias Maerki >> >> >
