[pdftex] pdftex & file size...

Ricardo Sanchez Carmenes carmenes at bioquimica.uniovi.es
Mon Nov 12 12:45:45 CET 2001

On Mon, 12 Nov 2001, Thierry Bouche wrote:

> Hi,
> I face the following problem, which was always there, but gets quite
> annoying in this peculiar case...
> I have a PDF file (a small (150 p.) science book with 80+ images,
> most of them vector arts, and hyperlinks).
> i make the PDFs for images with distiller, they use the same fonts as
> the main text, from (AI, fontless) EPS of 50 K, I get PDFs of 300 K

Aren't the outputs too big, for vector arts ?

> (imbedding or not the fonts makes essentially no difference, and
> obviously pdftex does the good job of factorizing the fonts in both
> cases)
> the output of pdftex is 23 MB

Pfff !

> if I distill this to a PDF at 1200 dpi, I get a 2.5 MB file.
> The pdftex file being the one (after optimization) intended for web
> delivery, this is almost inacceptable.
> The pdf consultant of acrobat 5 can't reduce it by more than a few
> K's, what is puzzling is that it thinks that 95 % of the objects are
> of type 'unknown' (which appears to be 45 % after distillisation)
> Does anyone here understand why pdftex files are so big?

Why don't you place in your site a sample (one page with one or two
tipical figures, in source and compiled) ?


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