[R] plot a 3-D marked point process

[Ben Bolker]

Ferra Xu <ferra.xu <at> yahoo.com> writes:

> 
> Hello All
> 
> I intend to plot a 3-D marked point process. 
> Could you please help me to find a code or a related package?

How about scatterplot3d or rgl::plot3d ?
Googling "r 3d point plot" gets you a lot of good starting points.
(The easiest way to indicate the marks would be by modifying colour
according to mark class.)