Houdini Resources

Updated on Sept 1  2022


copyright © Deborah R. Fowler


Deborah R. Fowler



Houdini Lighting

Posted Jan 28  2018

Instanced Lights with Geometry

TIP:  This is a continuation of the section on Instanced lights - read that first here.

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Now you have your instanced lights working, you want to combine them with geometry ...

There are several approaches to take here. Let's discuss them briefly: Remember (checklist): Hipnc here instancingOnLightandGeo.hipnc

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TIP: One of the most common errors is to cover your point lights up with geometry, remember to take it out of the shadowmap (or assign a seethru shader)

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TIP: Note that if you have diffuse limit with PBR on there will be bounce light/color bleed as well as seen in the image above. Below is a version with diffuse limit set to 0.

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TIP: Excellent documentation exists on removing noise in mantra from SideFX