Dear Philippe, Perhaps you could try a different graphics device (maybe postscript). On my machine, the time differences were all 1 second rather than the 3 you reported. If 300s is really too long for you, you could get a new computer or run your script on a faster one.
Andrew C. Ward CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED] Quoting Philippe Hupé <[EMAIL PROTECTED]>: > hello, > > I use R1.7.1 under winXP and I am running the following > script example : > > > for (i in 1:10) > { > x <- rnorm(100) > png( paste("D:/essai",i,".png",sep="")) > plot(x) > t1 <- Sys.time() > dev.off() > t2 <- Sys.time() > print(t2-t1) > > } > > at each step, it takes about 3 seconds to shut down the > graphic device. > I want to generate about one hundred of image and of > course it takes too > much time. Is there any trick ? > > Philippe > > ______________________________________________ > [EMAIL PROTECTED] mailing list > https://www.stat.math.ethz.ch/mailman/listinfo/r-help > ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help