Dear David,

In fact just updating R seems to have fixed the problem. There's a lesson.

Thanks a lot,
George

On 3 July 2012 17:02, David Winsemius [via R] <
ml-node+s789695n4635292h93@n4.nabble.com> wrote:

>
> On Jul 3, 2012, at 4:01 AM, georgeshirreff wrote:
>
> > Dear all,
> >
> > I am trying to write figures directly to a file using the jpeg()
> > function.
> >
> > this_ylab=expression(paste("P",sep="")~lambda)
> > this_xlab=expression(rho)
> >
> > jpeg("file_name.jpeg",width=100,height=100,units="mm",res=300)
>
> Try instead something like:
>
> quartz(file="file_name.jpeg", type="jpeg", width=7,height=7)
>
> And follow-ups should go the R-SIG-Mac mailing list. And please update
> your installation of R.
>
> --
> David.
>
> >
> > plot
> > (input_values
> > ,output_values,pch=16,cex=cex_pt,xlab="",frame.plot=T,ann=F,axes=F)
> > axis(side=2)
> > axis(side=1,labels=T,xlab="")
> > mtext(this_xlab,side=1,line=4,cex=2)
> > mtext(this_ylab,side=2,line=3,cex=2)
> >
> > dev.off()
> >
> >
> > However, I get the following error message:
> >
> > Error in mtext(this_xlab, side = 1, line = 4, cex = 2) :
> >  Metric information not available for this device
> >
> > I could put the argument specifying the x-label in the "plot"
> > function but
> > then I don't control where it goes. When I have used the tiff()
> > function
> > instead I don't have this problem.
> >
> > I am using R 2.11.1 on Mac OS X 10.7.3
> >
> >
> > Thanks,
> > George
> >
> >
> > --
> > View this message in context:
> http://r.789695.n4.nabble.com/Problem-using-mtext-to-write-onto-a-jpeg-tp4635258.html
> > Sent from the R help mailing list archive at Nabble.com.
> >
> > ______________________________________________
> > [hidden email] <http://user/SendEmail.jtp?type=node&node=4635292&i=0>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.
>
> David Winsemius, MD
> West Hartford, CT
>
> ______________________________________________
> [hidden email] <http://user/SendEmail.jtp?type=node&node=4635292&i=1>mailing list
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>
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