[Rd] Plotting points on a filled.contour plot (PR#857)

[marchini@stats.ox.ac.uk]

Full_Name: Jonathan Marchini
Version: R 1.2.2
OS: linux-gnu
Submission from: (NULL) (163.1.103.108)


When adding points to a filled.contour plot they do not appear at the correct
coordinates.
The following code demonstrates this.
 
a<-expand.grid(1:20,1:20)
b<-matrix(a[,1]+a[,2],20)
filled.contour(x=1:20,y=1:20,z=b)
points(10,10)  

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