On Mon, Jul 7, 2008 at 1:05 PM, Earl F. Glynn <[EMAIL PROTECTED]> wrote: > "hadley wickham" <[EMAIL PROTECTED]> wrote in message > news:[EMAIL PROTECTED] >> there's some >> oddly bright colours of the wrong hue around c(0, 0) and I see three >> coloured circles (a small magenta, a medium sized yellow and a large >> cyan). Am I doing something wrong or is there a bug in the hcl code? > > You set c = 70 = constant > > from ?hcl: > > c The chroma of the color. The upper bound for chroma depends on hue > and luminance > > > You seem to have used the full range of possible hue and luminance values. > Perhaps your odd colored circles are violations on valid values of chroma?
Well, I do have fixup = FALSE, which the documentation indicates should return NA if the chroma exceeds the actual upper bound. > Also, using "hcl" in different ways in the same code is also discouraged by > "Code Complete 2". Again on p. 287: "Avoid the names of standard types, > variables, and routines." If "hcl" is a "standard" routine, using "hcl" as > a variable name in the same code example using the "hcl" function is not > recommended and is confusing. Yes, that's true! Hadley -- 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.
