[R] adding perspectives to existing persp plots

Corey Bradshaw corey.bradshaw at cdu.edu.au
Wed Dec 15 02:14:14 CET 2004

I've created a perspective plot using 'persp' in the graphics package.
I'd like to add a second plane of z values to the existing plot, but I
cannot seem to do this using 'persp'. Is there an analogue to 'lines' or
'points' for perspectives?

corey.bradshaw at cdu.edu.au

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