Many thanks for the quick reply, Duncan. Now I see that something is going wrong in R already. I overlooked this because the R window was so big. I have to persuade plotViewport() not to create a square area but one which takes the different margins into account.
Best regards, Werner --- Duncan Murdoch <[EMAIL PROTECTED]> schrieb: > On 09/09/2007 7:24 AM, Werner Wernersen wrote: > > Hello, > > > > using Sweave, is there any option to preserve the > > original aspect ratio of plots generated from R > code? > > > > Consider this Sweave chunk: > > <<test,echo=F,fig=T,width=2,height=2>>= > > x <- 1:10 > > y <- sin(x) > > par(mar=c(4,4,0,4)) > > plot(x,y, > > xlab="x label", > > ylab="y label" > > ) > > @ > > > > In Latex, I want to produce a plot of width 2 but > > don't care about the height. If I put the width > and > > height like shown on the example, the box isn't > square > > any more. But if I put only width or height in the > > Sweave option, then the values then the appearance > is > > totally off. > > > > Is there any option for Sweave or other > possibility to > > preserve the ratio of the sides of plots? > > The width and height args in the header of the chunk > are passed to the > graphics device (postscript or pdf), but they don't > appear in the LaTeX > output. To modify the appearance in LaTeX, you need > to set a graphicx > package parameter, e.g. something like > > \setkeys{Gin}{width=2in} > <<test,echo=F,fig=T>>= > x <- 1:10 > y <- sin(x) > par(mar=c(4,4,0,4)) > plot(x,y, > xlab="x label", > ylab="y label" > ) > @ > > If you only specify width, then the aspect ratio > will be maintained. > > The \setkeys{} changes are persistent; as far as I > know there's no way > to say "go back to the default" afterwards. So what > I'd suggest is to > define a macro (e.g. \Gwidth) to give the default > width, and then call > > \setkeys{Gin}{width=\Gwidth} > > at the start of your document and after any change > like the one above. > > Duncan Murdoch > ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.