[R] Time delay function or plot animation

Ulrike Grömping groemping at tfh-berlin.de
Mon Dec 12 20:43:56 CET 2005

Dear R-help crowd,

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?

Regards, Ulrike

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