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Richard,

Let me clarify something here.

I have always considered images and bitmaps (raster) to be one and the same
term. 

Most people in the printing industry who wish to retain high-resolution
quality in "images" choose the tiff format rather than eps. 

If the original artwork (graphics) is vector-based, then you are correct, it
should be saved in eps format.

Based on what the party told me, I assumed her files were photos (images),
and I stand by my original advice. I can't imagine a 57 mb PDF for a
brochure made with vector graphics.

I've worked for several pre-press houses and printers, and we always
recommended the tiff format for bitmaps.

As to the original poster's problem, there's something going on here that is
causing an elephant-sized PDF. It's best to discover what's causing the
problem, and make the PDF correctly, rather than using a software fix. If
resolution was the only problem, then one could use the PDF optimizer in
Acrobat 6 to reduce the resolution in the PDF.

Rich

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of [EMAIL PROTECTED]
Sent: Thursday, February 26, 2004 12:11 PM
To: [EMAIL PROTECTED]
Subject: RE: [PDF] Huge PDF files from quark 6 (on mac)


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Rich Sprague wrote: "2. Use tiff files, rather than eps for images."

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I'd be careful here. I've had much better results with EPS images than with
TIFF images. TIFF is a raster image format, where EPS is a vector format.
When Acrobat 6 PDFs my TIFF images, they tend to be of a lower quality in
the PDF whereas my EPS remain very high quality in the PDF. For example, our
corporate logo in TIFF is horrible when PDFd, but when PDFd from EPS it
looks great. Same is true of the drawings I get from our engineering group.
If I get them in TIFF format, once PDFd they quickly break up into pixels
when zoomed in on, but if I get them in EPS format, I can zoom in as far as
Acrobat will allow with no breakup in clarity. I've seen people take
beautiful artwork from Illustrator and rasterize into TIFF, and that's a
shame. My printer is always urging me to use the EPS format unless I am
truly in a BMP realm (such as screen captures).

I'm not saying to not give TIFF a try, but I'd give the resultant PDF a very
close look to see if the quality of the TIFF images held up well during the
PDF process.

By the by, you could try the PDF Enhancer
(http://www.apago.com/PDF_Enhancer) on your 54 MB file. I have not had good
luck with this tool (it really hurt my BMP and TIFF images). But the ten day
trial is free and you might get good results. And, it sure made the PDF file
size smaller. (It is also annoying that I cannot run PDF Enhancer on my
WIN2000 box unless I am in the Administrator mode.)

Or, as I often do, I just live with the large PDF size because I want the
print quality to be as high as possible.

Regards,
Richard




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