[OS X TeX] A suggestion for NewPdftricks (or for pdftricks in general)

Ross Moore ross at ics.mq.edu.au
Fri May 27 02:15:00 CEST 2005


On 26/05/2005, at 4:47 PM, Franck Pastor wrote:

>
> Le 26-mai-05, à 03:28, Herb Schulz a écrit :
>
> <Snip>
>>  You can pick up the changed file
>> from my download site, <http://homepage.mac.com/herbs2/>, as
>> NewPdftricks.zip. I will try to make this an option to pdftricks with 
>> the
>> default being no auto-rotation but I'll need a little time.
>>
>> Good Luck,
>>
>> Herb Schulz
>> (herbs at wideopenwest.com)
>
> What about making an option to NewPdftricks for the font size (if you 
> have time enough, of course, and if it's possible) ? i.e, something 
> like
>
> \usepackage[12pt]{pdftricks}
>
>  Up to know, even if the principal document begins with 
> "\documentclass[12pt]{article}", the header of each pdftricks file 
> ("file-fig1.tex", "file-fig2.tex") still is  "\documentclass{article}" 
> only, without the font size option :-( Hence the labels in the figures 
> are far too small...
>
> I have found a workaround : I add "\fontsize{12pt}\selectfont" at the 
> beginning of each pspicture :

There is a much easier way to solve this.

  pdftricks.sty  has a macro  \BeforeStream  that determines what goes
at the beginning of each job that creates an image; viz.

\def\BeforeStream
    {\message{Opening PDFStream=\PDFTfigname.tex}%
     \immediate\write\verbatim at out{\string\documentclass{article}}
     \immediate\write\verbatim at out{\string\input\space tmp.inputs}
     \immediate\write\verbatim at out{\string\pagestyle{empty}}
     \immediate\write\verbatim at out{\string\begin{document}}
     }

This is defined when the package is loaded.
So to get 12pt sizes, just do a redefinition to include the desired 
option;
as follows:


\makeatletter  %  not necessary if done within a package

\def\BeforeStream
    {\message{Opening PDFStream=\PDFTfigname.tex}%
     \immediate\write\verbatim at out{\string\documentclass[12pt]{article}}
     \immediate\write\verbatim at out{\string\input\space tmp.inputs}
     \immediate\write\verbatim at out{\string\pagestyle{empty}}
     \immediate\write\verbatim at out{\string\begin{document}}
     }

\makeatother


This should fix it for all the images.

>
> \begin{pdfdisplay}
> \begin{pspicture}(0,0),(5,5)
> 	\fontsize{12pt}\selectfont
> 	....
> \end{pspicture}
> \end{pspicture}
>
> But it's a bit annoying if you  numerous pictures...

Of course. Doing something in every picture is not the desirable
way to go.

Modifying the  \BeforeStream  header is one way to avoid this.


Another is to place the  \fontsize{12pt}\selectfont   coding
into the   tmp.inputs  file.
This can be done using the  {psinputs} environment.

One or more of the following, when placed into your LaTeX
document's preamble,  should do what you want:

   \begin{psinputs}
     \fontsize{12pt}\selectfont
   \end{psinputs}

   \begin{psinputs}
     \AtBeginDocument{\fontsize{12pt}\selectfont}
   \end{psinputs}

   \begin{psinputs}
     \renewcommand{\normalsize}{\fontsize{12pt}\selectfont}
   \end{psinputs}


   \begin{psinputs}
     \AtBeginDocument{%
      \renewcommand{\normalsize}{\fontsize{12pt}\selectfont}%
      \normalsize }
   \end{psinputs}


However, this only affects the size of your main font.
Any other font-switches, such as  \small  \large, \LARGE,
\footnotesize  etc.  as well as  super-/subscripts in math
will still be setup for a 10pt document.

So it's probably better to use the  \BeforeStream  solution.

>
> However, NewPdftricks remains the most reliable way (IMO) to get 
> pstricks pictures with pdflatex.

An option to  NewPdftricks , as Herb says he is preparing,
should be based on adjusting the contents of  \BeforeStream .


>  For example, ps4pdf still works very badly pst-3dplot, the pstricks 
> package I use most of the time...
>

I've not encountered such problems with ps4pdf , which I use extensively
in a very large Encyclopaedia project.
Can you please post an example that gives bad results.



> Best regards,


Hope this helps,

	Ross Moore


>
> Franck Pastor
>
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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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