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andyyankai / psdr-jit

Unbiased Physically Based Differentiable Renderer
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point light source #11

Open bring728 opened 1 month ago

bring728 commented 1 month ago

Hello. Does this library not support other light sources like point lights in addition to area lights and environment maps?

GuangyanCai commented 18 hours ago

Sorry for the late reply. Our renderer is based on the paper Path-Space Differentiable Rendering and in the original paper, it assumes that there are no zero-measure light sources, such as point lights. While it is not impossible to relax the assumption, it requires significant changes to our system. We usually just approximate the point light with a very small area light.

@andyyankai Do you have anything additional comments?