brilliant, thanks guys! diverge_hsv is perfect. Frank
On Fri, 2011-03-18 at 16:47 +0100, Achim Zeileis wrote: > On Fri, 18 Mar 2011, Frank Schwach wrote: > > > Hi, > > > > I'm plotting a heatmap with values ranging from -10 to +10 and I would > > like the negative values to show up in shades of blue and the positive > > ones in shadea of red. Basically, I want exactly what the RColorBrewer > > palette RdBu does but with more of a gradual change (the RdBu can only > > give me 11 distinct colours). Any suggestions? > > See the function diverge_hcl() in the package "colorspace" which provides > a wide variety of HCL-based color palettes. These are similar in spirit to > the ColorBrewer palettes but were designed to provide more fine control. > See the examples and the associated CSDA paper for more details. > > Best, > Z > > > Thanks! > > > > Frank > > > > > > > > > > -- > > The Wellcome Trust Sanger Institute is operated by Genome Research > > Limited, a charity registered in England with number 1021457 and a > > company registered in England with number 2742969, whose registered > > office is 215 Euston Road, London, NW1 2BE. > > > > ______________________________________________ > > 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. > > -- The Wellcome Trust Sanger Institute is operated by Genome Research Limited, a charity registered in England with number 1021457 and a company registered in England with number 2742969, whose registered office is 215 Euston Road, London, NW1 2BE. ______________________________________________ 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.