On Fri, 2004-07-02 at 16:33, rif wrote: > I want to plot a large number of line segments, with a color > associated with each line segment (I'm actually plotting a function of > the edges of a 2d graph, and I want to use color to indicate the level > of the function.) I originally thought I could use lines, but lines > puts all its lines in one color (from help(lines), "col: color to use. > This can be vector of length greater than one, but only the first > value will be used."). > > Is there a function that does what I want? Right now I'm using the > obvious solution of calling lines in a loop with a single segment, but > this is really quite slow for my purposes, as I have several thousand > lines total to plot.
Take a look at ?matplot or ?matlines depending upon which one might make sense for your particular application. Both functions are on the same help page. HTH, Marc Schwartz ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
