Look at the output of pal.cr((0:40)/40) Hadley On Fri, Apr 17, 2009 at 2:42 PM, Etienne B. Racine <etienn...@gmail.com> wrote: > > I try to use ColorRamp as ColorRampPalette (i.e. with the same gradient), but > it seems there is a nuance that I've missed. > > pal.crp<-colorRampPalette( c("blue", "white", "red"), space = "rgb") > plot(rep(0,40),pch=16,col=pal.crp(40)) > # is great > > But, using the same gradient with colorRamp is giving erratic colors. > > pal.cr<-colorRamp( c("blue", "white", "red"), space = "rgb") > plot(rep(0,40),pch=16,col=pal.cr((0:40)/40)) > # is not great > > >From the help : "colorRamp returns a function that maps values between 0 and > 1 to colors" ...colors I guess taken from the gradient, but I don't get the > gradient. > > Etienne > > -- > View this message in context: > http://www.nabble.com/ColorRamp-different-from-ColorRampPalette-tp23104641p23104641.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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. >
-- http://had.co.nz/ ______________________________________________ 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.