>>Duncan Murdoch I wish to run R with Visual C++ as a front end. So I was hoping to run a file such as graph.r in the following manner:
R --slave --save --file=graph.r But when the plot function runs, it does not display the graph. >>Prof Brian Ripley: So would I be correct to assume that it's not possible to run graphics in batch mode? Thanks for all the help! Regards, Mithun On 11/28/07, Prof Brian Ripley <[EMAIL PROTECTED]> wrote: > On Wed, 28 Nov 2007, Mithun Jacob wrote: > > > I've tried running graphics commands like plot by invoking R at the > > command line but the graphics window does not appear. I'm using > > R-2.6.0 on Windows XP and am using the cmd shell. Here's a sample > > session: > > > > R --slave --save --file=- > > x<-c(1,2,3,4) > > plot(x,x) > > > > This leads to nothing. I've found a way around it, but the graph > > window is frozen and commands to it have to be sent twice for the data > > to appear. > > > > R --slave --save --file=- > > x<-c(1,2,3,4) > > windows() > > plot(x,x) > > plot(x,x) > > > > Am I doing something wrong here? It would be nice if I could display a > > graphics window which isn't frozen. > > So use R interactively, rather than in batch mode typing at stdin. (Using > --file puts you into batch mode.) Only in interactive use does the event > loop give time to windows such as the screen device, pagers, data frame > viewers .... > > I have no idea where you got the idea of 'R --slave --save --file=-' from: > the way to use R 'at the command line' on Windows is to use Rterm. > 'Rterm --slave --save' would do the same without the freezing, but most > people do find prompts useful. > > -- > Brian D. Ripley, [EMAIL PROTECTED] > Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ > University of Oxford, Tel: +44 1865 272861 (self) > 1 South Parks Road, +44 1865 272866 (PA) > Oxford OX1 3TG, UK Fax: +44 1865 272595 > ______________________________________________ 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.