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.
I have a computer with 3GHz processor (Pentium IV) and 2 Go of RAM so I don't think this is a matter of computer performance :).
Andrew C. Ward
CAPE Centre Department of Chemical Engineering The University of Queensland Brisbane Qld 4072 Australia [EMAIL PROTECTED]
Quoting Philippe Hup� <[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
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.
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Philippe Hup� Institut Curie - Equipe Bioinformatique 26, rue d'Ulm - 75005 PARIS France +33 (0)1 42 34 65 29
[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
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