in news:3d82c9cd@news.povray.org Christopher Johnson wrote:

> I'm looking for a list of valid 

Generaly, and this is one of the very nice things in POV-Ray, any value 
is valid, unless specified differently in the documentation

> or most common ranges of values for

The range [0-1] is most used for maps and colors and some aspects of 
finishes.
For other things like ior, dispersion and normal height etc. a common 
range of values does not make sense.

> parameters in a material/texture block. 

In case you want to set values with something like sliders, make them go 
from 0-1 but allow the user to type in other values.


Ingo

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