[R] how to print a colored plot in black/white?

[Marius Hofert]

Dear expeRts,

shouldn't this...

x <- 1:10
myplot <- xyplot(x~x,col="red")
trellis.device(postscript,color=FALSE,file="plot.ps")
print(myplot)
dev.off()

... give a black/white plot?

Cheers,

Marius