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) 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. ______________________________________________ R-help@r-project.org 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.