[pdftex] how do I magnify PDF print size? (TeXShop question)

Ross Moore ross at ics.mq.edu.au
Tue May 11 06:43:48 CEST 2004

Hello Paul,

On 11/05/2004, at 12:04 PM, Paul Campbell wrote:

> I edit a journal of undergraduate mathematics and typeset the issues 
> in LaTeX, usually using Textures on a Mac (OS 10.2). I typeset at 
> 100%, print to PS at 120% (set in Page Setup), then distill to PDF.
> A recent submission uses figures in PDF. Textures does not handle PDF 
> directly; so rather than convert each figure to EPS, I experimented 
> with TeXShop, which does handle PDFs.
> TeXShop produces PDF output, at 100%.
> ___Nothing I can do seems to be able to convert the PDF file to one 
> that prints at 120%.___
> Nothing in TeXShop's Preferences affects page size magnification (only 
> size displayed on screen).

This question would be better directed at the mailing-list:
         MacOSX-TeX at email.esm.psu.edu

but I'll answer it here anyway.

> I took the PDF that TeXShop produced, printed it to file at 120% (in 
> Page Setup), and still got the original size. That is frustrating! 
> (Some might call it a bug; I call it an error by Acrobat, since I 
> don't get what I should be able to expect.)

If you are printing from Acrobat, you might have one of the "Scale to 
fit papersize"
(or somesuch) check-boxes selected. That might override your "Page 
Setup" scaling.

But why is Acrobat involved at all ?
You can print from TeXshop's preview window;
the scaling is respected from there. (I just checked!)

Another solution is to generate the PDF with the scaling in-place.

Start your (La)TeX source with something like:

\mag=\magstep1  %  i.e. 120%

In LaTeX, put this *before* the \documentclass line.

(The offset amounts are just guestimates, to counteract
scaling of the normal margins at the top and left.
Experiment a bit to ensure all of your contents remain
on the printable page.)

> I also printed from PDF to PS, then distilled it. Same result. Reason 
> in that case, as I discovered in examining the PS file, is that 
> Acrobat prints a bitmap to PS. No wonder it won't enlarge!
> Is there somewhere in the bowels of TeXShop where I can change the job 
> options for its conversion to PDF?
> Can anybody help?

Hope this helps,

	Ross Moore

> Thanks,
> -- 
> --------------------------------
> Paul J. Campbell
> Chair
> Mathematics and Computer Science
> Beloit College
> 700 College St.
> Beloit, WI  53511-5595
> ofc: (608) 363-2007
> fax: (608) 363-2718
> web page: http://cs.beloit.edu/campbell
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Ross Moore                                         ross at maths.mq.edu.au
Mathematics Department                             office: E7A-419
Macquarie University                               tel: +61 +2 9850 8955
Sydney, Australia                                  fax: +61 +2 9850 8114

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