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• FilterBox - All samples within a box with sides 2*size are taken with equal weight.
• FilterArea - All samples within a circle with radius size are taken with equal weight.
• FilterTriangle - Sample weight falls off as a triangular function of off-center distance.
• FilterGaussian - The classical blur filter.
• FilterSinc - Less blurry low-pass filter. See Wikipedia.
• FilterLanczos (currently default in V-Ray for 3dsMax and Maya) - See Wikipedia.
• FilterCatmullRom - A cubic edge-enhancing filter.
• FilterCookVariable
• FilterMitNet - Mitchell-Netravali filter. It has additional blur and ringing parameters.

See AntialiasingFilters or AntialiasingFilters See 3dsMax docs or Maya docs for more info on filters.

6.3. Global illumination

SettingsDMCSampler - use_local_subdivs=0

6.3.1. Irradiance map

6.3.2. Light cache

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.2. Light cache

6.4. Environment

You can define environment background, lighting (GI), reflection, refraction colors or textures through the SettingsEnvironment plugin. You can also add scene-wide volumetric effects through the environment_volume list.

See 3dsMax Environment documentation for details.

A special case is the Sun-Sky system. V-Ray has a special procedural texture, TexSky, for these environment slots (you'd usually want to set it to all slots) that is coupled with SunLight. The color of the environment depends on the position of the Sun.

TexSky takes its parameters from SunLight if TexSky::sun is set. You can also use a TexSky without a Sun. For parameter details see the reference section at the bottom.

6.5. Units (scale)

Some calculations in V-Ray based on physics require accurate scaling of scene units to real world units like meters, Watts, seconds, etc. This is controlled through the SettingsUnitsInfo plugin with the properties listed below. This affects the physical camera, IES lights, volumetric effects, etc.

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Textures and UVWGenerators

TexSky

• sun - A reference to a SunLight instance. All sky parameters are taken from the Sun plugin, unless sun_dir_only is set to true.
• sun_dir_only - Only take the position and direction of the Sun. Use the TexSky parameters for everything else.
• invisible - Makes the Sun invisible to the camera and in reflections.

A.2. Other plugins

CameraDome

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