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Hash, Inc. - Animation:Master

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Posted

I have a render situation where I am using volumetric light(klieg) shining at camera thru a .png sequence with alpha channel of little doors opening and closing. I am noticing the effect of the volumetric seems 'incomplete', unless I am seeing an illusion. There are areas close to the matted opening where the light does not appear and I feel it should. I have tried many various settings, Zbuffered vs RayTraced etc but as the sequence renders sometimes it looks right and sometimes the light appears cutoff like in the attached image...

 

Known issue? Bug? Am I misusing the feature? Same results in V18 and V19.

aaa_5.jpg

Posted

I will... right now I may have figured it out... I had a wide camera field-of-view (25) so I changed it to a 90... from a fisheye to more of a zoom- I think that may have resulted in more correct volumetric effects... I hope.

  • 5 months later...
Posted

Sorry for long delay, Gerald. I believe it was flat patches- I must have found a solution... but here is ANOTHER volumetric light oddityV2... never saw these before and I played with the lights quality settings and volumetric contrast and brightness to no avail... any ideas on this one?

aaa_1.jpg

  • Hash Fellow
Posted

I do get the lines

 

I notice that they only appear within a certain angle, when the Y-rotate value for that light is between about -36 and -48

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