Objects with emissive material(s) and lights that are part of proxy scenes continue to illuminate. When Light Gen option is applied to a scene, note that all artificial lights (that is, without V-Ray Sun) are automatically disabled. Light Gen disables all scene lights, applies Sun transformation to the default Rhino Light, disables auto exposure and white balance in the Settings Camera, and modifies the ISO parameter.
It is best to use V-Ray Light Gen after the modeling phase is complete and prior to texture/shading and adding other light sources (lamps). The HDR images used by Light Gen can also be used independently - applied to any regular dome light. The resulting lighting scenarios are presented as thumbnails that can be interactively applied to the scene. Selecting a scenario, applies the new settings automatically.
There are two main categories - Exterior and Interior.
It can illuminate exteriors or interiors with natural light using the V-Ray Sun & Sky system or a Dome light for image-based lighting (IBL) setup. V-Ray Light Gen offers various lighting options.
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