[R] Q. regarding shadowed 3D plots

[Martin Maechler]

>>>>> "Paul" == Paul Murrell <p.murrell at auckland.ac.nz>
>>>>>     on Thu, 07 Nov 2002 09:34:21 +1300 writes:

    Paul> Hi
    Paul> Amund Tveit wrote:
    >> 
    >> Hi,
    >> 
    >> Is the code for creating the screenshot plots found at:
    >> 1. http://www.r-project.org/screenshots/persp-surface.jpg
    >> 2. http://www.r-project.org/screenshots/volcano-persp.jpg
    >> available?
    >> 
    >> How is the shadow added to the 3D surfaces?


    Paul> See help(persp), in particular the ltheta and lphi arguments.  
    Paul> There are a couple of examples of their use in example(persp).

and even a bit more in  
    demo(persp)   {which has been new in R 1.6.0}

Martin
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