R help - Sep 2005 - setkeys and Sweave

Hi there:

Using

\setkeys{Gin}{width=1.0\textwidth}
\setkeys{Gin}{height=10cm}
\setkeys{Gin}{height=0.8\textwidth}

all seem to work under R-2.1.1 under sparc, solaris2.9, but

\setkeys{Gin}{scale=0.3}
\setkeys{Gin}{angle=90}

do not work. I have not been able to find relevant information, googling 
on setkeys proved confusing, at best.

http://cnlart.web.cern.ch/cnlart/218/node85.html states:
---
  Setting key values globally

If you want to specify a global value for a set of keys, then you can 
use the \setkeys command defined in the keyval package (described below).

As an example let us consider the case where you would like your figure 
to be scaled to the width of the line. Then you could specify the following:

   \setkeys{Gin}{width=\linewidth}

The first argument Gin of the \setkeys command refers to the 
\includegraphics command. The result will be that all images include 
with this command (when the graphicx is loaded) will be set to the 
desired width inside the current group or environment.

In the similar way one could specify any of the possible arguments of 
the \rotatebox command by using the Grot specifier, e.g.,

   \setkeys{Grot}{origin=tc}
---

Question:

Which variants of \setkeys are there? Is there a list stating these?

Can several \setkeys{of the same sort} be used inside one document?

Thanks for pointers
Christian


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Dr. Christian W. Hoffmann,
Swiss Federal Research Institute WSL
Mathematics + Statistical Computing
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>>>>> On Fri, 16 Sep 2005 10:38:51 +0200,
>>>>> Christian Hoffmann (CH) wrote:
  > Hi there:
  > Using

  > \setkeys{Gin}{width=1.0\textwidth}
  > \setkeys{Gin}{height=10cm}
  > \setkeys{Gin}{height=0.8\textwidth}

  > all seem to work under R-2.1.1 under sparc, solaris2.9, but

  > \setkeys{Gin}{scale=0.3}
  > \setkeys{Gin}{angle=90}

  > do not work. I have not been able to find relevant information, googling 
  > on setkeys proved confusing, at best.

  > http://cnlart.web.cern.ch/cnlart/218/node85.html states:
  > ---
  >   Setting key values globally

  > If you want to specify a global value for a set of keys, then you can 
  > use the \setkeys command defined in the keyval package (described below).

  > As an example let us consider the case where you would like your figure 
  > to be scaled to the width of the line. Then you could specify the
following:

  >    \setkeys{Gin}{width=\linewidth}

  > The first argument Gin of the \setkeys command refers to the 
  > \includegraphics command. The result will be that all images include 
  > with this command (when the graphicx is loaded) will be set to the 
  > desired width inside the current group or environment.

  > In the similar way one could specify any of the possible arguments of 
  > the \rotatebox command by using the Grot specifier, e.g.,

  >    \setkeys{Grot}{origin=tc}
  > ---

  > Question:

  > Which variants of \setkeys are there? Is there a list stating these?


That's not really an R question, but a LaTeX question. Maybe you have
more luck on a LaTeX list. I always use the grfguide.ps manual that
comes with the graphics package (at least on my Debian Luinux box) as
reference, or the LaTeX companion. 


  > Can several \setkeys{of the same sort} be used inside one document?

Yes, I regularly do that. Every \setkeys{} sets the value from the
point in the LaTeX document where it appears, i.e.,

\setkeys{Gin}{width=1.0\textwidth}

<<fig1>>

\setkeys{Gin}{width=0.5\textwidth}

<<fig2>>


does the expected.

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                        Friedrich Leisch 
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