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 <d...@jeremias-maerki.ch> 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
>
>

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