[OS X TeX] PDF resolution redux

Bernhard Barkow bb at creativeeyes.at
Wed Aug 10 13:27:04 CEST 2005

Hash: SHA1

On 10.08.2005, at 12:49, Simon Spiegel wrote:
> On 10.08.2005, at 12:41, Ben Lings wrote:
>> You can use the OS X ColorSync Utility. Open the PDF with this, then
>> create a new filter. In the details tab, select Images from the  
>> pop-up
>> list.  You can then choose to downsample images and to JPEG compress
>> them, which will reduce their size by a large amount.
>> Not quite what you asked for (can't specify DPI), but a step in the
>> right direction!
> Thanks. I just realized that my question wasn't put well. What I  
> want is to tell Pdf(la)tex to scale down the document. Of course, I  
> could downsample the individual images, but I'm looking for a  
> solution which would allow to keep one version of the original  
> images and have different pdfs created depending on the resolution  
> I need on a specific occasion. Let's say a low resolution to put  
> the document on the web and a high resolution for printing. So I  
> don't want to manipulate the images but have pdftex downsample them.

I think that's just what Ben suggested: the ColorSync filter will  
change the image resolution (you can specify 300 dpi, for example) of  
the images in the PDF, if you apply the filter to the PDF document  
(for example, when printing the document to a new PDF and choosing  
"ColorSync"/"Quartz filter" in the print dialog).
\pdfimageresolution=300 might be more elegant, though.


_________________________________ Bernhard Barkow __
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__ mail bb at creativeeyes.at __ www.creativeeyes.at __
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