Nigel Stewart wrote:

> If you try to pass something on the command line that
> isn't in the first block, an error results.  If you
> want to edit the parameters manually, you must enable
> it via command line or in the GUI.

Speaking of errors something else that will have to be address is
error handling of erroneous input. If the user_prompt is looking for
a specific input and a wrong value is entered there needs to be
some form of error trapping to get the right value from the user.

-- 
Ken Tyler -  1300+ Povray, Graphics, 3D Rendering, and Raytracing Links:
http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/

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