clipka wrote:
> "epidot" <nomail@nomail> wrote:
>> Is there anyway to render a colour that is outside the normal RGB space?
>>
>> I have a situation where I have some colour data that falls outside the RGB
>> gamut. It would be very good to get your input on this
> 
> (C) IIUC colors outside the gamut can be achieved by "boosting" some of the RGB
> components beyond 100% (effectively enlarging the "gamut triangle" in all
> directions). AFAIK POV is perfectly fine operating with such high numbers
> (though there are a few places where you can deliberately clip colors), and
> even writes them to suitable file formats, such as HDR. So yes, you can render
> those - you just can't properly display them on a computer screen for obvious
> reasons.
> 

Wrong. Out of gamut values are indicated by one or more RGB components 
with *negative* values. It has nothing to do with HDR. And IIRC POV-Ray 
does clip negative values - but it is a long time since I looked at the 
source - so you might know better.

-Ive

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