Week 7: Portal Light

Use this shader to create a portal that allows light to pour in from a bright exterior to a darker interior. In mental ray for Maya rendering, difficulties may arise when final gather and/or photons are used in a scene where there is no direct lighting and all light is indirect light – any over-smoothing due to interpolation cannot be drowned out by other lights and is clearly visible.

Portal Light Project 2 Parts 1-3 Instructions

Maya Project File




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