"Jong" <jjk### [at] mmewhaackr> wrote in message
news:3ca7d7d0$1@news.povray.org...
> Dear Josh,
>
>  I really thank you for your help. This morning, I reinstalled POV-Ray 3.5
> version 15. As per your suggestion, the math.mcr was changed to math.inc.
> When it was executed, it says
>      Parse Error: Cannot assing uninitialized identifier.
> at the line(with yellow background)
>      #declare miss = VNull(norm);
> Since I have not much knowledge about POV programming, I have hard time
> finishing the execution.
>
> I'll be more than happy if you could possibly help me with this.

I'm not Josh but I think I know what change is needed, just not absolutely
sure.

In the ior.pov file, try changing VNull to VZero and VAng to VAngle. I get a
render but I don't know what to expect. Logic tells me this is probably the
answer though.

bob h

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