Re: [R] plotting many line segments in different colors

From: roger koenker <>
Date: Sat 03 Jul 2004 - 07:47:09 EST


url:        	Roger Koenker
email			Department of Economics
vox: 	217-333-4558				University of Illinois
fax:   	217-244-6678				Champaign, IL 61820

On Jul 2, 2004, at 4:33 PM, 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.
> Cheers,
> rif
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> mailing list PLEASE do read the posting guide! Received on Sat Jul 03 07:49:05 2004

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