Captain Jack wrote:

> A couple of the things I want to be able to do with it are to 
> generate images that occupy specific portions of the screen, and to 
> be  able to map a "hot point" of a moving object in an animtion to 
> apply other effects in other software.

You might wish to have a look at screen.inc. It should help with
the first part of your problem and provide a framework for writing
a 3d to 2d projection macro.

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