I'm using the arch shader, the problem highlights are from a spec only
infinite light set to rgb 1,1,1 and .75 intensity. Reflectivity is set to .7



On Fri, Oct 26, 2012 at 3:20 PM, Gene Crucean
<emailgeneonthel...@gmail.com>wrote:

> What kind of spec/reflection values are you using on the shader?
>
>
>
> On Fri, Oct 26, 2012 at 11:58 AM, Eric Lampi <ericla...@gmail.com> wrote:
>
>> OK, I was afraid it was something like that. Well, thanks for the tips
>> everyone, I was hoping it could be done in comp.
>>
>> I don't have very hot values on my lights, reflection cards or
>> environment, but I'll have a look at the advanced shader, seems like the
>> clipping option is what I need.
>>
>> Eric
>>
>>
>> On Fri, Oct 26, 2012 at 2:17 PM, Ed Manning <etmth...@gmail.com> wrote:
>>
>>> Are you lighting with ibl or do you have an HDR environment for FG
>>> lighting?
>>>
>>> If you have small ultrabright light "sources" in the HDR, they are very
>>> hard to sample accurately and your higlights may get 'fireflies."
>>>
>>> Some things to try:
>>>
>>>    -  make the illuminating HDR very low resolution, and use the
>>>    Env_blur node to smooth it out.
>>>    - use a color_basic node as a clipper on the HDR -- set the
>>>    operation to "minimum," plug the HDR into one input, then set the other
>>>    input color to the highest value you you can.  If you have serious
>>>    problems, that may be R,G,B=1, but that would make your HDRI no longer
>>>    HDR.  2 or 4 would at least represent 1 or 2 stops over white.
>>>    - do the same thing with the surface shader that's giving you
>>>    trouble, or use Felix Geremus's mia_architectural_advanced shader which
>>>    include a clipping option.
>>>
>>> ed
>>>
>>>
>>> On Fri, Oct 26, 2012 at 1:11 PM, Eric Lampi <ericla...@gmail.com> wrote:
>>>
>>>> Having some issue with EXRs, specifically pixelated highlights.
>>>> Initially I thought it was an anti-aliasing issue, but the same frame
>>>> rendered result as a Softimage pic doesn't have that problem.
>>>>
>>>> Can someone tell me how to deal with this in either After Effects or
>>>> the FXtree?
>>>>
>>>> Thanks,
>>>>
>>>> Eric
>>>>
>>>> --
>>>> Freelance 3D and VFX animator
>>>>
>>>> http://vimeopro.com/user7979713/3d-work
>>>>
>>>>
>>>
>>
>>
>> --
>> Freelance 3D and VFX animator
>>
>> http://vimeopro.com/user7979713/3d-work
>>
>>
>
>
> --
> Gene Crucean - Emmy winning - Oscar nominated VFX Supervisor / iOS-OSX
> Developer / Filmmaker / Photographer
> ** *Freelance for hire* **
> www.genecrucean.com
>
> ~~ Please use my website's contact form on www.genecrucean.com for any
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>
>


-- 
Freelance 3D and VFX animator

http://vimeopro.com/user7979713/3d-work

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