Reply To: Knockout Shows Through when PDF is viewed on Browsers

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Marc Dunker
Member

Thanks David! What I mean by “accurately” and “non-destructive” is I want the pdf to appear as designed without having to use the pathfinder tool on a frame or revert to rudimentary techniques that take longer.

I created a stroked line segment with text in the center. I wanted the frame to fit the text with equal spacing on either side, but the text length varies. My thought was to use a knockout group the size of the text frame. I guess this is tomayto, tomahto as far as technique; rather than have two line segments and a text frame, I have a line segment, knockout frame, and text frame.

The other, more important, knockout I’m using is covering a part of an image frame so content that didn’t fit the layout doesn’t appear. We used a third party designer for the image elements, and his text callouts don’t fit. I don’t want to have to destructively modify the shape of the frame, so I used a knockout in the event that I’ll utilize it in the future.

Neither of these display as designed in browsers, but will print fine.

I tried exporting to Acrobat 4 with Simulate Overprint checked. That does show the knockouts correctly, but it also creates a lot of white hairlines that appear in both Acrobat and browsers—worse in the browser. It’s even showing white hairline outlines of an underlying layer over an image.

This article was last modified on September 15, 2023

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