jeanphi wrote:What I do in bidir is that I have 2 counters: one for real surface intersections which is used for sample data indexing, and one for path vertex indexing which is not incremented when hitting a pass through surface.
guibou wrote:I just saw that (I was looking in the path integrator code for something similar, but was unable to find it...). So in your definition passthrough materials are specular transmission with a pdf of 1.0 (I think one day we'll have to list all the subtle conventions that lux use
guibou wrote:By the way, why matte translucent is not a passthrough material ? And also, why the hell does the direct lighting is able to lit the roof of the kitchen scene ?
Chawl wrote:Kitchen scene has two major lights. One is named Sky which is "Sky only", other is named Sun which is "Sun+Sky". Perhaps guibou only disabled rendebality of the Sky and forgot to change Sun from"Sun+Sky" to "Sun only". I rendered the kitchen with Direct Light with proper changes and got this result, but I'm not sure if glitter on some metal surfaces should be there:
jeanphi wrote:Isn't the curtain a mix with the null material?
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