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

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Understanding subdivs

Understanding subdivs

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

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Understanding subdivs

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- When working with V-Ray specific versions of tools, such as lights, cameras, materials and so on, we will often times come across a parameter entitled subdivs, which is short for sub divisions. Understanding what this term refers to and how the numeric values we place in subdiv parameter fields will affect our renders, is a critical V-Ray concept that we will definitely benefit from understanding. Especially so if we're coming to V-Ray after working with Mental Ray in 3ds Max. You see, when setting up the main image sampling, or eye ray controls in Mental Ray, we will have been used to setting a minimum and maximum number of samples per pixel that we wanted the engine to use. This would be true of both the legacy and unified sampling modes that are available in Mental Ray. Now the values used in those min and max fields are actual sample numbers. So, a max value of 128 set for the unified sampling engine would mean, quite literally, that a maximum of 128 eye rays, or samples per…

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