Re: [R] ColorRamp different from ColorRampPalette

2010-03-26 Thread taw
Try the rgb function in the grDevices library. pal.cr-colorRamp( c(blue, white, red), space = rgb) plot(rep(0,40),pch=16,col=rgb(pal.cr((0:40)/40),max=255)) Troy -- View this message in context: http://n4.nabble.com/ColorRamp-different-from-ColorRampPalette-tp889372p1692642.html Sent from

[R] ColorRamp different from ColorRampPalette

2009-04-17 Thread Etienne B. Racine
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

Re: [R] ColorRamp different from ColorRampPalette

2009-04-17 Thread hadley wickham
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,

Re: [R] ColorRamp different from ColorRampPalette

2009-04-17 Thread Etienne B. Racine
Thanks Hadley, Is it the solution you would recommend ? rgb(pal.cr((0:40)/40), maxColorValue=255) Etienne hadley wrote: 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