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Topic: What effect does resolution have on an output PDF?
Conf: (P-PDF) Beginners, Msg: 148481
From: kend
Date: 4/6/2006 06:55 PM

We ran a series of tests to determine why some map files printed with much better results than others. These map files were vector art from which a PDF was created for the printing.

To my surprise, having normalised other factors such as paper, printer etc, higher resolutions selected when creating the PDF consistently gave a better result than default resolutions (e.g. some PDF creation software defaults to 300x300, others to 600x600. Setting it to 2400x2400 produced a superior result in terns of legibility and clarity.

I was surprised because I thought vector art was carried in that form in a PDF and thus setting a raster resolution at that stage would make no difference. But then it occurred to me that perhaps the resolution setting is picked up by RIPs?

Can you enlighten me please?

Thank you
Ken, Melbourne, Australia

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