[R] Q. regarding shadowed 3D plots

[Wolfgang Viechtbauer]

> 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?

See: help(persp)

The examples at the end provide the code. The shadow effect is added by
specifying ltheta, lphi, and shade.

--
Wolfgang Viechtbauer

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