[Bf-docboard] Correction for Lighting chapter

[Ton Roosendaal]

Hi,

I've checked the code (you never know in these days! :-) and my  
description of bias is still correct.
And allowed values start at 0.0.

-Ton-

On Tuesday, Jun 3, 2003, at 17:55 Europe/Amsterdam,  
<selleri@diefi.det.unifi.it> wrote:

> Hi!
>
>>
>> Hi Ton,
>>
>> well, I've personally used the bias value with numbers < 1 to
>> correct shadows being too far away from the object! With a
>> broad ClipSta/ClipEnd range (necessary for animated spotlights
>> following an object through a large concert hall), the shadow
>> has often been too far away from the object, so it seemed
>> "floating" above the floor, even with shadowbuffer sizes of
>> 8192x8192. Setting the Bias value to 0.5 corrects it.
>>
>
> Mmm... I wrote that accordingly to the 2.o guide. I'd suggest to ask  
> the
> coders what bias does :)
>
> In the meantime your tip seems valuable, and could be added in the doc  
> as
> 'tip', a clever hack to have a specially good effect by changing
> a parameter which was meant for something else.
>
> BTW if you subscribe to the docboard mailing list you will be able to
> post, up to now I have to manually approve all your posts ;)
>
> Stefano
>
>
>
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------------------------------------------------------------------------ 
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Ton Roosendaal  Blender Foundation ton@blender.org  
http://www.blender.org