Hi,

Yes, one way to do that is by using function polygon().

Regards,
Carlos Ortega
www.qualityexcellence.es

2011/10/11 Gabriel Yospin <yosping@gmail.com>

> Hi R-Help -
>
> If I make a plot:
>
> numYears = 500
> plot(x = c(1,numYears), y = c(200,300), xlab = "Time", ylab = "Vegetation
> Class", xlim = c(100,600), ylim = c(200,300), type="n")
>
> Is there a way to make different parts of the background for the plot
> different colors?
>
> For example, I'd like to have the background color col = (250,250,0,50) for
> y = c(200,204), and col = (250,125,0,50) for y = c(210,212).
>
> Any suggestions?
>
> Thanks in advance for the help,
>
> Gabe
> --
> Gabriel I. Yospin
>
> Institute of Ecology and Evolution
> Bridgham Lab
> University of Oregon
> Eugene, OR 97403-5289
>
> Ph: 541 346 1549
> Fax: 541 346 2364
>
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>
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