st: Re: 3d graphics

[Christopher Baum <baum@bc.edu>]

On Saturday, January 18, 2003, at 02:33 AM, Marcello wrote:

> Since we are talking about wishes for 3-D graphics, one of the problems
> with 3-D is that one cannot see 'behind' the surface.  Short of having
> a dynamic rotator, one cheap way to achieve such a (static) view from
> behind is to place mirrors in judicious places.  The mathematics is
> straightforward.  Has anyone seen such software?  Stata-9 ?
Why not just have a dynamic rotation facility? Mathematica has had one 
for years. You can also hardcode the ViewPoint into a graph command.

I too assume that when 3d graphics are mentioned the notion is to be 
able to do things like bivariate kernel density plots, loglikelihood 
surface plots, contour plots, probability density plots, etc. that are 
requisite for a great deal of econometric analysis.

Kit

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