On Sun, 2009-05-24 at 19:32 +0100, Tom H wrote:

>       polygon(
>                       c(from,  x, to), 
>                       c(min(y),y,min(y)),
>                       col=areacol, lty=0
>       )
>       

I guess my question should have been, I don't seem to be able to query
or "reflect" a plot object to get at its attributes to fill in the
polygon call, without actually modifying the curve/plot function.

eg;

myplot<-curve(sin)

returns a NULL string

Tom

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