In article <3A934972.96C708C7@igs.net> , Heckmans <jhe### [at] igsnet>  
wrote:

> Is there any easy way of finding the screen
> coordinates of an object in the scene.
> i.e. some internal way of converting from world to screen coords

This is not how POV-Ray works.  While not the perfect answer to your
question, this should help explain it:

<http://www.students.tut.fi/~warp/povVFAQ/languageVFAQ.html#wireframes>


       Thorsten

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