Steven Borley nous apporta ses lumieres en ce 24/09/2006 15:05:
> Tim, Eero, and Alain, thank you so much.
> 
> It has taken me some time to read through an understand your replies.  I
> didn't realise I could have light values that exceeded 1.0 - don't know but
> it just didn't occur to me.  First thing I did was to change my light source
> to...
> 
> light_source { < 2, -0.5, 0 > 10*White }
> 
> Now I have enough light. Actually now I see I have multi-path problems - but
> that's another thing, and I want to try and fix that myself.  I may try some
> of the other suggestions to. So nice to have choice! There is a good chance
> that the will be a combination that will give me just the effect I want.
> 
> I have still have some questions related to the original problem, but I'll
> take your advice and ask where I can also post the image files.
> 
> Thank you once again.
> 
> Regards,
> Steven
> 
> 
Also, a light can have a negative value like rgb -1 to shed "darkness". In fact, 
any colour can have negative values: rgb<-1,1,0> is legal and will apears as 
green. You wont see the difference in a normal scene, but it will have an effect 
on the surrounding in a radiosity scene.

-- 
Alain
-------------------------------------------------
"The way England treats her prisoners, she doesn't
  deserve to have any."               --Oscar Wilde

Post a reply to this message