Hi
The are three places where the size of the graphs can be customised
1 Sweave with options
2 R in the device
3 Latex specifying dimensions or set scale=magnification.
However if your are using it in a float it there
is a maximum size depending on the number of floats in a page.
see \floatsep and associated commands
In Sweave/R what you change depends on how you want to work with the graphics
Duncan
At 00:23 06/08/2011, you wrote:
>Hello
>
>Many thanks for the replies.
>
>Solution 1 (landscape package) works but the output figure is kind of small.
>
>Solution2: includegraphics outside -
>Unfortunately it does not work. Includegraphics cannot find Myfig.
>
>Solution 3- \usepackage[figureright]{rotating}
>works and the output figure is in a reasonable size.
>
>I am using print(xyplot) from lattice to plot
>the figures and have noticed that adding width
>and height options breaks Sweave in all cases.
>
>Cheers
>
>Ed
>
>
>
>On Fri, Aug 5, 2011 at 3:07 AM, Duncan Mackay
><<mailto:mac...@northnet.com.au>mac...@northnet.com.au> wrote:
>Hi Eduardo
>
>in the preamble put
>
>\usepackage[figureright]{rotating}
>
>see manual for figureright if you do not like it
>
>and then some graphics with options where needed
>
>\begin{sidewaysfigure}
>\centering
>\includegraphics[width=,%
> clip=true,%
> trim=0in 0in 0in 0in,% LBRT
> keepaspectratio=true]%
> {filename}
>\end{sidewaysfigure}
>
>otherwise \usepackage landscape (check spelling) for a full page
>
>HTH
>
>Duncan
>
>Duncan Mackay
>Department of Agronomy and Soil Science
>University of New England
>ARMIDALE NSW 2351
>Email: home <mailto:mac...@northnet.com.au>mac...@northnet.com.au
>
>
>
>At 05:58 05/08/2011, you wrote:
>On 04/08/2011 3:40 PM, Eduardo M. A. M. Mendes wrote:
>Dear R-users
>
>I am trying to understand how Sweave works by
>running some simple examples. In the example I
>am working with there is a chunk where the
>R-commands related to plotting a figure are
>placed. When running R CMD Sweave
, pdflatex
>the output is a portrait figure. I wonder
>whether it would be possible to change the
>orientation to landscape (not in the latex file but in Rnw file).
>
>
>Sweave can change the height and width of the
>figure so it is more landscape-shaped (width >
>height) using options at the start of the chunk.
>
>Rotating a figure is something LaTeX needs to
>do: you would tell Sweave to produce the figure
>but not include it, then use \includegraphics{}
>with the right option to rotate it.
>
>For example:
>
><<Myfig, fig=TRUE, include=FALSE, width=7in, height=4in>>=
>plot(rnorm(100))
>@
>
>\includegraphics[angle=90,width=0.8\textheight]{Myfig}
>
>This is untested, and you'll need to consult a
>LaTeX reference for rotating the figure caption, etc.
>
>Duncan Murdoch
>
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