From the course: V-Ray 3.0 for 3ds Max Essential Training

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Generating the caustic effect

Generating the caustic effect

From the course: V-Ray 3.0 for 3ds Max Essential Training

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Generating the caustic effect

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- Although we have, up to this point, in our exercise, run through some essential scene setup and have even enabled Caustic Generation in our scene, we aren't currently, if I go ahead and take a render here, getting any Caustic showing up. Now, if we're coming to V-Ray in 3ds Max as a Mental Ray user, we may wonder whether or not our geometric objects need to be told to specifically act as Caustic Generators in the scene, as they do in Mental Ray. Well if I just select our Butterfly Geometry here, and then right click and go to V-Ray properties, you can see in the dialogue that appears, that our objects are set up by defaulting V-Ray to both generate and receive Caustics, as indeed are all lights. The first problem we need to tackle then, is in fact a material-based one. So let's open up the Material Editor, and in the Glass tab, double-click to access the butterfly material's properties. Down in the Refraction section, we have two options that are currently contributing quite…

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