On 9/5/09 11:05 AM, "Tony Stevens" <tony.stev...@turnkey.com.au> wrote:
> I'm doing some experiments to see what I can achieve with PDF optional
> content, and I'm confused with what's happening when I add an annotation in
> a specific layer. In the PDF below, page 1 layer 2 has a link (the red X) to
> show the alternate version of the page in layer 1. This works, but when
> layer 2 is no longer visible, the link is still active.
>
That is correct. Remember that it is optional CONTENT - not optional
ANNOTATIONS! So via OCGs, you can only "turn off" content. If you wish to
also hide the annotation itself - then you need to use JavaScript
(annot.hide(), I believe).
Leonard
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