[R] Time delay function or plot animation

[Tobias Verbeke]

Ulrike Grömping wrote:

>is it possible to specify a time delay for plotting the points in a curve? I 
>would like to make the plotting process slow enough to show the development 
>of the graph, and therefore I am looking either for the possibility within 
>the plot function to specify a plotting speed or (if that doesn't exist) for 
>a function like "pause" or "wait" that allows to specify a time delay until 
>the next statement is executed. I have searched help and mailing list 
>archives, but I don't seem to look for the right keywords. My current 
>solution is very crude:
>
>I add the following to an existing plot:
>
>for (i in 1:steps) 
>{ 
>lines(x[i:(i+1)], y[i:(i+1)]) 
>   #calculations with the sole purpose of generating a time delay 
>   zoeger<-1 
>   for (j in 1:85000) 
>   {zoeger<-zoeger*j} 
>}
>
>Is there a better way to achieve this?
>  
>
See ?Sys.sleep

HTH,
Tobias

>Regards, Ulrike
>
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