[R] Transparent Bands in R

[mnstn]

Hello Megha and Jim,
Thanks for your comments. The green bands actually correspond to data that
looks like:
13 0
42 0
183 0
186 0
187 0
192 0
194 0
and so on. I plotted them using:
plot(v[,1],3+v[,2],type="h",col="gray",lwd=5) and the rest of the data using
points. The result is here:
http://www.twitpic.com/md2li
Thanks!


Jim Lemon-2 wrote:
> 
> On 10/21/2009 09:40 AM, mnstn wrote:
>> Hello All,
>>> My question is regarding the attached plot. I would like to have
>>> multiple
>>> transparent green bands running the length (yaxis) of the plot the width
>>> of
>>> which is determined by the green lines at y=0 in the plot. Can you
>>> suggest a
>>> way to do it?
>>>      
> Hi mnstn,
> Transparency is only supported by some graphic devices. It may be 
> simpler to plot the values, use "rect" to draw green rectangles:
> 
> xylim<-par("usr")
> rect(start1,xylim[3],stop2,xylim[4],col="green")
> rect(start2,...
> 
> then redraw the lines over the rectangles using "lines".
> 
> Jim
> 
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> 
> 

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