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Sample size
Sample size

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Example: Sample Size

 

The Sample size parameter controls the size of the individual light cache samples. Smaller values produce a more detailed lighting solution, but are noisier and take more RAM. Larger values produce less detail, but take less RAM and may be faster to calculate. 

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The following parameters are added to the list of visible settings available from the Light cache rollout when set to the Expert Render UI Mode.

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Type – Specifies which method to use to calculate the Light cache.

Hash map – This is the default light cache type for new scenes. It is a new light cache implementation that is simpler and produces less flickering in animations. 
KD tree – The original light cache implementation. Old light cache files can use only this method.

Leak prevention – Enables additional calculations to prevent light leaks and reduce flickering with the light cache. A value of 0.0 disables the leak prevention. The default value of 0.8 should be adequate for most cases.

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