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

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

?segments

url:	www.econ.uiuc.edu/~roger        	Roger Koenker
email	rkoenker@uiuc.edu			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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R-help@stat.math.ethz.ch 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 Received on Sat Jul 03 07:49:05 2004

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