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title: "Global Illumination"
canonical: "https://documentation.chaos.com/space/VSKETCHUP/109794826/Global%20Illumination"
format: markdown
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> Macro (anchor)



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### **Example: Progressive Caustics - Caustic Subdivs**

(Caustic Subdivs parameter of the Lights' Caustic Photon option)  
Multiplier = 20; Search Distance = 100


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> Macro (anchor)



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### **Example: Photon Map Caustics - Caustic Subdivs**

**(Caustic Subdivs parameter of the Lights' Caustic Photon option)**  
Multiplier = 20; Search Distance Units = World; Search Distance = 0.5; Max Photons = 5000; Max Density = 0





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