Transparent Bands in R
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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