[OS X TeX] Inclusion of TIFF files

[Siep Kroonenberg]

On Tue, Sep 12, 2006 at 11:18:48AM +0200, Bruno Voisin wrote:
> Le 7 sept. 06 à 17:00, Bruno Voisin a écrit :
> 
> Eventually I stuck to 600 dpi TIFF bitmaps for the figures, and to  
> pdfTeX as the TeX engine since XeTeX wouldn't allow the use of Lucida  
> fonts. This implied conversion of TIFF to one of the graphical format  
> supported by pdfTeX; I chose PDF (conversion to PNG seemed to produce  
> a few artefacts).
> 
> A few surprises regarding conversion:
> 
> - I thought Preview, when opening an EPS file and saving it in PDF  
> format, was simply calling /usr/bin/pstopdf. Apparently that's not  
> true. When converting an EPS file of 40 MB, you get a PDF file that  
> has, in the Finder's Get Info window:
> 
> "Encoding software: Apple pstopdf" and size 27 MB, when applying  
> pstopdf in Terminal
> 
> "Encoding software: Mac OS X 10.4.7 Quartz PDFContext" and size 8.2  
> MB, when opening the EPS in Preview and using Save As > PDF
> 
> "Encoding software: GPL Ghostscript 8.54" and size 7.3 MB, when  
> applying epstopdf in Terminal
> 
> Thus, it seems Preview is more efficient than pstopdf, and almost as  
> efficient as GhostScript, when converting EPS to PDF. Some  
> CoreGraphics optimization?
> 
> - Similarly, when converting a TIFF file of about 2.5 MB to PDF  
> format, the final size is 712 KB when opening the TIFF in Preview  
> then saving as PDF, and 1.5 MB when applying tiff2ps (from libtiff)  
> then epstopdf in Terminal. ImageMagick's convert results in a PDF  
> file of 1.7 MB.
> 
> Thus, all in all, it seems Preview is fairly efficient at converting  
> from one graphical format to another, compared with the various  
> available CLI tools.

Maybe the fact that it is just bitmapped data has something to do
with this outcome?

-- 
Siep Kroonenberg
------------------------- Info --------------------------
Mac-TeX Website: http://www.esm.psu.edu/mac-tex/
          & FAQ: http://latex.yauh.de/faq/
TeX FAQ: http://www.tex.ac.uk/faq
List Archive: http://tug.org/pipermail/macostex-archives/