On Apr 6, 2008, at 4:14 PM, Bob Babcock wrote:
>> PDF viewers use EXACTLY what they are given (if you give high
>> resolution, they will use high resolution - and vice versa) and use
>> that when rendering to the zoom factor(s) as requested.
>
> Is a printer a viewer?
Yes.
> Acrobat standard and pro have options for
> downsampling images before printing.
No they don't. Where do you see such controls in the Acrobat
printing dialogs?
Perhaps you are thinking about the Adobe PDF Printer, which is a way
to CREATE PDFs from non-PDF-savvy applications. In that case, we
provide tools that enable users to produce PDFs with the quality
levels that they desire. But once the data is in the PDF - it's
isn't modified by the viewer.
> We've found that, particularly when
> printing large posters, you may need to turn off downsampling or
> adjust the
> parameters or else _some_ images look worse in the printout than on
> screen.
>
Are you SURE you are thinking about the PRINTING process and not the
CREATION process?
Leonard
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