[R] plot focus

[Peter Ehlers]

You could just open two devices.
See ?dev.cur for an example.

   -Peter Ehlers

On 2010-06-30 4:26, pdb wrote:
>
> I am doing calculations in a loop and then plotting the results by adding a
> point to each of 2 charts at the end of the loop. Its very informative as
> you can see the progression through time.
>
> My problem is, if I have 2 plots, I don't know how to get the focus back to
> the first plot.
>
> layout(matrix(c(1,2)))
>
> plot(iris[,1],col="red",) #plot1
> plot(iris[,3],col="blue") #plot2
>
> #goes on plot2
> lines(iris[,2],col="pink")
>
> #how do I put this line on plot 1
> lines(iris[,4],col="black")
>
>
> I tried the method below but when you switch the focus back to screen 1 the
> line gets drawn not where I expect
>
> split.screen(c(2,1))
> screen(1) # prepare screen 1 for output
> plot(iris[,1],col="red",) #plot1
> screen(2) # prepare screen 2 for output
> plot(iris[,3],col="blue") #plot2
>
> screen(1)
> lines(iris[,2],col="pink",lwd=8)
>
> screen(2)
> lines(iris[,4],col="green",lwd=8)
>
> Any pointers please as to what I need to do?
>