Thank you for your valuable comments.

Warp wrote:
> 
> Chuck Roberts <cro### [at] alleganisdorg> wrote:
> : <li>float: a decimal number
> 
>   It can also be: A float in the format: <base>e<exponent>, eg. -1.23e-10,
> a float identifier and the return value of a float function.

What is the float function and how is it used? An example would
be nice. 

> 
> : <li>vector: in the format: <a, b, c> or just a. Each number is a
> : float. If the format is "a", that is equivalent to <a, a,
> : a>.
> 
>   A vector can also be two, four and five-dimensional.

Under what conditions or POV statements would it be 4 or 5
dimensional? (Besides a color with the f and/or t parameters.)

> 
> : <tr><td>rgbtf<td>vector<td>0.0<td>1.0
> 
>   A color component can be larger than 1 and smaller than 0 and still have
> a desired and considerable effect in the scene.

Thanks. I didn't know that. 

> 
> : <tr><td>turbulence<td>vector<td>0.0<td>1.0
> 
>   There's no reason why one should limit the turbulence value to 0-1. Negative
> values and values larger than 1 can have a desired effect.

Thanks again. 

> 
> : <tr><td>ambient<td>float<td>0.0<td>1.0
> 
>   Setting the ambient and similar values larger than 1 can have a considerable
> effect with things like fog, media, radiosity, etc.
> 
>   Some values (such as 100.0) seem quite arbitrarily chosen. Where did you
> get those values?

They were arbitrary. I can remove the upper limits on some of
those commands.


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