Get material/object ID the ray is currently hitting? - User Feedback - Developer Forum
![Simulating Subsurface Scattering in Cycles using the Ray Length output in the Light Path node - Blender Cycles: Materials and Textures Cookbook - Third Edition [Book]](https://www.oreilly.com/api/v2/epubs/9781784399931/files/graphics/9931OS_07_16.jpg "Simulating Subsurface Scattering in Cycles using the Ray Length output in the Light Path node - Blender Cycles: Materials and Textures Cookbook - Third Edition [Book]")
Simulating Subsurface Scattering in Cycles using the Ray Length output in the Light Path node - Blender Cycles: Materials and Textures Cookbook - Third Edition [Book]
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questions about the light path node - CG Cookie | Learn Blender, Online Tutorials and Feedback
How the light path node works in Blender - Artisticrender.com
Light Path Node — Blender Manual
Controlling shader visibility with Cycles Light Path Node – Oded Maoz Erell's CG Log
HDR Lighting Workflow for Blender: Look Development (5/7) • Creative Shrimp
