[OS X TeX] Is there a better alternative to \DeclareGraphicsExtensions ?

Herbert Schulz herbs at wideopenwest.com
Mon Mar 16 01:31:41 CET 2009


On Mar 15, 2009, at 5:16 PM, Ramón M. Figueroa-Centeno wrote:

> Aloha,
>
> To include TIFF files in a document the TeXShop manual suggests we  
> do the
> following:
>
> \documentclass{article}
> \usepackage{graphicx}
> \usepackage{epstopdf}
> \DeclareGraphicsRule{.tif}{png}{.png}{`convert #1 `basename  
> #1 .tif`.png}
> \begin{document}
> \includegraphics{Hello.tif}
> \end{document}
>
> That converts all the TIFFs into PNGs (I'm using pdfTeX).
>
> That is very nice, but it does the conversion on every run, which is
> unnecessary as we alreday have the PNGs.
>
> A fix is then to change "\includegraphics{Hello.tif}" to
> "\includegraphics{Hello}". From then on the PNGs are used.
>
> A better fix is to use \DeclareGraphicsExtensions:
> 1. In the preamble put "\DeclareGraphicsExtensions{.png,.tif}" The  
> order
> matters, PNGs are given preference over TIFFs. If you are using  
> other kinds
> of Graphics files then all their extensions must be placed here, one  
> for
> each kind of document we are using).
> 2. Do not specify the suffix when including files, e.g.,
> "\includegraphics{Hello}"
>
> With EPS files we do not have this problem. The epstopdf package  
> will handle
> things transparently for us; we just don't specify the suffix from  
> the very
> beginning, and on the first pass the EPS files get converted to PDFs.
>
> So my question is: is there a better way of doing things so that  
> TIFFs get
> treated like EPS files are? Instead of replacing the list of  
> extensions that
> graphicx knows, is there a way to append to it?
>
> Thanks,
>
> Ramón
>


Howdy,

Don't include the .tif extension in the file name in the  
\includegraphics. The graphicx package will look for the pdf, jpg or  
png first and then go on from there. As a general rule I don't use  
extensions within \includegraphics commands.

Good Luck,

Herb Schulz
(herbs at wideopenwest dot com)



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