Are you rendering out motion vectors?
I had this problem in the past when motion vectors were being output.
Never came up w/ a solution.
On 12/4/07 4:02 AM, "Gerbrand Nel" <gerbrand(at)sphere-animation.com> wrote:
> yup.... this is really weird......
> g
>
>
> Rob Wuijster wrote:
>> Just to throw in the obvious, are all passes using the same filter
>> type/size and AA settings?
>>
>> vr.gr.,
>>
>> Rob Wuijster
>> Glassworks Amsterdam
>>
>>
>> Gerbrand Nel wrote:
>>> Tried premultiply in after fix, tried math comp in the composite,
>>> tried photoshop......the problem only shows up on some geometry in
>>> the frame, not all of it so it can't be the way I'm comping. it seems
>>> to have something to do with frame buffering... it doesn't fix the
>>> problem but bakes it less apparent ???????????????????
>>>
>>> Chris Marshall wrote:
>>>> the way you comp your passes can be effected by the aliasing. How
>>>> are you applying the ambient occlusion?
>>>>
>>>>
>>>> Gerbrand Nel wrote:
>>>>> hi alan
>>>>> It's not a premultiply thing.... I'm shure of that
>>>>>
>>>>> Chris:
>>>>> what do you mean ""aliasing 'fringing' type thing"" ?? because the
>>>>> aliasing is the same for both passes
>>>>> G
>>>>>
>>>>> Chris Marshall wrote:
>>>>>> Is it more of an aliasing 'fringing' type thing, rather than
>>>>>> passes not lining up?
>>>>>>
>>>>>>
>>>>>> Gerbrand Nel wrote:
>>>>>>> I have a strange problem when rendering different passes
>>>>>>> They don't line op in some places but do in others. My render
>>>>>>> settings are identical for the different passes.
>>>>>>> I've attached an example of a ambient occlusion render comped
>>>>>>> over a flat color render The same happens on other passes but not
>>>>>>> on the same geometry
>>>>>>>
>>>>>>> render
>>>>>>> Has anyone seen this before????
>>>>>>>
>>>>>>> G
>>>>>>>
>>>>>>
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