Billabong Posted February 20, 2008 Share Posted February 20, 2008 Could someone explain this function in the vray sun parameters to me. I looked at the vray help info, and it really doesn't explain to me what it is exactly for. Is it just for Caustics? Or does it have another function. I did a search on here for photon emit radius before I asked this but didn't find anything. thanks for any help Link to comment Share on other sites More sharing options...
Derek Forreal Posted March 9, 2008 Share Posted March 9, 2008 i think that this parameter is only considered when using photon mapping for GI. however, a secondary use i have found is that this value changes the 'zoom' value of the sun when using the sun as a camera... would be nice to know exactly what this parameter is for though Link to comment Share on other sites More sharing options...
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