Can we see what the problem area looks like?

On Fri, Oct 26, 2012 at 1:00 PM, Eric Lampi <ericla...@gmail.com> wrote:

> 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
>> personal emails. Thanks. I may not get them at this address. ~~
>>
>>
>
>
> --
> 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
personal emails. Thanks. I may not get them at this address. ~~

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