[R-gregmisc-users] SF.net SVN: r-gregmisc: [1050] trunk/gplots

[<wa...@us...>]

Revision: 1050
          http://svn.sourceforge.net/r-gregmisc/?rev=1050&view=rev
Author:   warnes
Date:     2007-02-08 13:56:22 -0800 (Thu, 08 Feb 2007)

Log Message:
-----------
Add col2rgb() function to convert color names to rgb hex codes

Added Paths:
-----------
    trunk/gplots/R/col2hex.R
    trunk/gplots/man/col2hex.Rd

Added: trunk/gplots/R/col2hex.R
===================================================================
--- trunk/gplots/R/col2hex.R	                        (rev 0)
+++ trunk/gplots/R/col2hex.R	2007-02-08 21:56:22 UTC (rev 1050)
@@ -0,0 +1,9 @@
+col2hex <- function(cname)
+  {
+    colMat <- col2rgb(cname)
+    rgb(
+        red=colMat[1,]/255,
+        blue=colMat[2,]/255,
+        green=colMat[3,]/255
+        )
+  }

Added: trunk/gplots/man/col2hex.Rd
===================================================================
--- trunk/gplots/man/col2hex.Rd	                        (rev 0)
+++ trunk/gplots/man/col2hex.Rd	2007-02-08 21:56:22 UTC (rev 1050)
@@ -0,0 +1,24 @@
+\name{col2hex}
+\alias{col2hex}
+\title{Convert color names to hex RGB strings}
+\description{
+  Convert color names to hex RGB strings
+}
+\usage{
+col2hex(cname)
+}
+\arguments{
+  \item{cname}{Color name(s)}
+}
+\value{
+  Character vector giving the hex color code translation of the provided
+  color names.
+}
+\author{Gregory R. Warnes}
+\seealso{
+  \code{\link{col2rgb}}, \code{\link{colors}}, \code{\link{rgb}}
+  }
+\examples{
+col2hex(c("red","yellow","lightgrey"))
+}
+\keyword{color}


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