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• GeomStaticMesh - The basic fixed geometry descriptor that you will use in most cases. Requires vertex and normal data plus optional UVW texture mapping coordinates.
• GeomStaticNURBS - Defines a smooth NURBS surface using control vertices and weights.
• GeomStaticSmoothedMesh - References another mesh plugin (usually GeomStaticMesh) and generates a smooth, subdivided version.
• GeomDisplacedMesh - References another mesh plugin (usually GeomStaticMesh) and generates a displaced version using a texture map.
• GeomHair - References another mesh plugin (usually GeomStaticMesh) and generates hair (can be tweaked for fur, grass, shaggy rug etc.) on it. Has many parameters for the size, shape and distribution of strands.
• GeomMeshFile - Loads geometry from a file, a so-called geometry Proxy. The geometry is only loaded on-demand as a ray hits it, so in some cases such as distributed bucket rendering it may prevent unnecessary calculations and memory usage. The currently supported formats are V-Ray's .vrmesh and Alembic .abc. If you have a file in another format, i.e. .obj, you need to convert it with the ply2vrmesh utilitytool.
• GeomParticleSystem - Generates many (usually small) particles.

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A. Brief plugin reference

A.1. Common plugins

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Light plugins (see also section 3

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above)

LightOmni

• decay - The exponent for intensity decay. Default value is 2.0 which corresponds to the inverse square law.

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• transform - Similarly to the direct light plugin, the position doesn't matter as the light comes from infinity. The rotation matrix has to be set correctly, even though in theory the Sun is omnidirectional. The identity matrix results in light directed along the -Z axis, thus a noon Sun.
• target_transform - Currently doesn't make a difference. Don't leave uninitialized - set an identity transform.
• turbidity - See VRaySun
• ozone - See VRaySun
• water_vapour - See VRaySun
• size_multiplier - See VRaySun
• color_mode - See VRaySun. Values are 0, 1, 2 respectively for Filter, Direct, Override mode.
• intensity_multiplier - Relative intensity of the Sun (default 1.0). Try setting correct scales in SettingsUnitsInfo first.
• filter_color - Force a color tint. It's probably better to leave this white. See also the color_mode parameter.
• ground_albedo - Sky parameter, unused if there is no sky attached. Account for light reflected off an imaginary ground and scattered back in the sky. Default is (0.2, 0.2, 0.2).
• horiz_illum - Sky parameter, unused if there is no sky attached. Specifies the intensity (in lx) of the illumination on horizontal surfaces coming from the sky if sky_model is 1 or 2.
• sky_model - Sky parameter, unused if there is no sky attached. Selects the mathematical model approximating sky illumination. Values: 0=Preetham et al; 1=CIE Clear; 2=CIE Overcast; 3=Hosek et al.
• up_vector - Set to (0.0, 1.0, 0.0) if your scene up-axis is +Y to have correct lighting.

Geometry plugins

Node

GeomStaticMesh

GeomStaticNURBS

GeomStaticSmoothedMesh

GeomDisplacedMesh

GeomHair

GeomMeshFile

GeomParticleSystem

Material and BRDF plugins

Textures and UVWGenerators

A.2. Other plugins

CameraDome

EffectLens

Volumetric plugins

VRayClipper