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changes.mady.by.user Lyubomira Toshkova

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changes.mady.by.user Kristin Ivanova

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Exclude

Add Objects – Adds objects to the Exclude list. Objects in the list are not affected by the dirt map.

Inclusive – When enabled reverses the meaning of the Exclude list - only objects from the list will be shaded by the dirt map.

Affected By

Add Objects – Adds objects to the Affected By list. Objects in the list affect the calculation of the Dirt map. Excluded objects are considered invisible for the calculations of the Dirt - they don't produce the effect over other objects.

Inclusive – When enabled reverses the result from "Affected By" list - the objects from the list will shade other objects with the dirt map.

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Advanced Parameters

Ignore for GI – When enabled, the dirt effect are is not taken into consideration for GI calculations. For more information, please see the Ignore for GI example below.

Use Transparency – When enabled, Dirt takes into account the opacity of the occluding objects. This can be used, for example, to calculate ambient occlusion from opacity-mapped trees etc. When disabled (the default), occluding objects are always assumed to be opaque. Note that working with correct opacity is slower, since Dirt must examine and evaluate the material on the occluding objects. 

Environment Occlusion – When this option is switched on, V-Ray uses the environment when calculating the occlusion of areas that are not occluded by other objects.

Affect Reflection Elements – When enabled, the ambient reflection affects the reflection render elements. This can be used to create reflection masks.

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This check-box determines whether the dirt effect is going to be visible during the GI calculation. Note that the examples show the calculation of the GI (during Light cache calculations), hence the noise.

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