Seem to be a self-intersection issue, the ray keeps bouncing between the two neighboring triangles. I thought the ray_offset() is for capturing this case.
It does test a new case, IES on a mesh light
Ok, I haven't used it myself so not sure. We can leave it for now and see what other people think. If it's needed I would prefer to put it in…
The white nosie tests are extremely sensitive to changes in anything
I would expect that property from a hash function. We can insert a snap node before white noise, just as in the manual. I…
"Analytic" refers to the shape, the terminology is adopted in RenderMan https://rmanwiki.pixar.com/display/REN26/Lighting, and I remember seeing it in several papers and tutorials.
But if the…
I would suggest to improve the object names to represent the features they are testing. For example, in white_noise_xxx.blend, you seem to be testing different dimensions of the noise texture,…
