On Feb 25, 2011, at 4:28 PM, Carl Witthoft wrote:
Just wondering: it appears that "srt" does not accept a vector of values, just a single value. I ended up using tapply() as the following code snippet shows, so it's not a major problem. I was justa little surprised that this argument (srt) differs from things like "labels," "lty," "col," and so on, all of which accept (and recycle as needed IIRC) vectors.Carl ******* code follows ******* dialang<-seq(pi/3,-pi*3/2,by=-pi/6) d2<-as.character(seq(1,12)) # or roll your own hour tagsplot(c(-1.2,1.2),c(-1.2,1.2),t='n',xlab='',ylab='', xaxt='n',yaxt='n' )#trying a rotation w/ srt() # srt apparently can't handle a vectorinvisible(sapply(seq(1,12),FUN=function(x) text(cos(dialang[x]),sin(dialang[x]),labels=d2[x],srt=-x*30)))
There is a baseGrid package containing baseViewports() that allows you to align a viewport with the plotting region and then do vectorized rotation with the angle parameter to viewport()
See: http://cran.r-project.org/doc/Rnews/Rnews_2003-2.pdf -- David Winsemius, MD West Hartford, CT ______________________________________________ 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.
