[OS X TeX] Typesetting plain TeX documents with /magnification gives odd results

Frank STENGEL fstengel at mac.com
Tue May 31 21:39:48 CEST 2005


Le 31 mai 05 à 17:54, Benjamin Lotto a écrit :

> Using TeXShop 2.02 under OS X 10.4.1 (Tiger) with TeX installed via  
> i-Installer.
>
> Typsetting plain TeX documents using \magnification=1200 (or  
> anything else other than 1000) produces odd results regarding the  
> placement of text on the page.  For example, the simple document

<snip>

The problem is that after magnifying you have to reset the pdf page  
dimensions. Let me quote Bruno Voisin on the subject:

> I'm reposting here a reply to a similar question from a couple of  
> days ago. In short: replace \magnification=\magstep3 by
>
>     \mag=\magstep3
>     \input pdftexconfig
>     \hsize=210truemm \advance\hsize by-2truein
>     \vsize=297truemm \advance\vsize by-2.1truein
>
> The \hsize and \vsize here are for A4 paper, assuming 1-inch wide  
> margins (with additional 0.1 inch for the footer) which is plain  
> TeX's default.
>
> The idea is that, after setting a magnification using TeX's  
> primitive \mag, you need to reset not only \hsize and \vsize in  
> true units, as does plain TeX's \magnification macro, but also the  
> pdfTeX-specific parameters \pdfpageheight and \pdfpagewidth which  
> define the mediabox (the size of the sheet of paper) and possibly  
> also \pdfhorigin and \pdfvorigin. The file pdftexconfig.tex  
> (actually /Library/teTeX/share/texmf.gwtex/tex/generic/config/ 
> pdftexconfig.tex) does this, and contains values defined when  
> installing gwTeX (when you chose the paper size).


-- 
Frank STENGEL (fstengel<at>mac.com)

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