Re: Mia architectural highlights, bug?

2013-02-15 Thread Per Bergstén
Sounds good!
Not the rendering bit thou!
Låt oss höras nästa vecka och bestämma en dag!

trevlig helg!


2013/2/15 Stefan Andersson 

> yep,all the tricks in the book are applied :) still fails. but we solved
> it with another shader and ofcourse some longer render times:)
>
> beer next week per?
>
> /s
>
>
>
> On Fri, Feb 15, 2013 at 12:15 PM, Per Bergstén wrote:
>
>> Anisotropic uv set to *none* in the arch shader?
>> Can cause weird reflections sometimes.
>>
>> per
>>
>>
>> 2013/2/15 Stephan Hempel 
>>
>>> It seems like the infamous burned highlights problem which occurs when
>>> you are lighting with IBL and normal lights.
>>>
>>> When you are using the already mentioned Advanced MIA material you
>>> have to activate "Clamp Maximum for HDR rendering" at the bottom of
>>> the Optimization Tab and set to something reasonable like 1.2 or so.
>>> So the highlights are clamped and don't burn out.
>>>
>>> Another option is to tweak the "Highlight vs Reflection Balance" on
>>> the Additional Options Tab and set it to a very low value like 0.1 or
>>> less.
>>>
>>> Generally it's a good idea to deactive the specular contribution off
>>> the lights if your lighting with IBL.
>>>
>>> Cheers,
>>> Stephan.
>>>
>>>
>>
>
>
> --
> *Stefan Andersson | Digital Janitor*
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>
>


Re: Mia architectural highlights, bug?

2013-02-15 Thread Per Bergstén
Anisotropic uv set to *none* in the arch shader?
Can cause weird reflections sometimes.

per

2013/2/15 Stephan Hempel 

> It seems like the infamous burned highlights problem which occurs when
> you are lighting with IBL and normal lights.
>
> When you are using the already mentioned Advanced MIA material you
> have to activate "Clamp Maximum for HDR rendering" at the bottom of
> the Optimization Tab and set to something reasonable like 1.2 or so.
> So the highlights are clamped and don't burn out.
>
> Another option is to tweak the "Highlight vs Reflection Balance" on
> the Additional Options Tab and set it to a very low value like 0.1 or
> less.
>
> Generally it's a good idea to deactive the specular contribution off
> the lights if your lighting with IBL.
>
> Cheers,
> Stephan.
>
>