[R] identify which commands have generated graphics?

[Duncan Murdoch]

On 10/30/2009 3:13 PM, Liviu Andronic wrote:
> Dear all
> Is it possible to programmatically detect which commands have
> generated a graphic to the x11() graphics device? When in front of the
> computer, it is easy to see that after a command---say, plot(1:10)---a
> graphics window opens/activates and displays a graphic. But is there a
> way to detect this from the command line?

You could probably detect changes using some combination of setHook() 
(to detect when plot.new() is called) and recordPlot() (to detect any 
changes to the current plot), but I don't think there's any easy way to 
do what you want.

Duncan Murdoch