Viz Plug-ins User Guide

Version 5.1 | Published December 12, 2023 ©

Light V4

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The Light (V4) plug-in adds a new Viz Engine light onto a container.

More detailed information about how to use Lights in Viz is available at Light and Shadows in Viz in the Viz Artist User Guide.

Note: This plug-in is located in: Plugins -> Container plug-ins -> Global

Compatibility Info: This plug-in works in the Viz Engine Render Pipeline only!

Light (V4) Properties

  • Light Type: Selects what kind of light is applied to your container.

    • Directional

    • Point

    • Spot

    • Area

  • Color: Selects the color the light source emits.

  • Intensity: Determines the strength of the light source.

  • Diffuse Intensity: Determines how much light diffuse areas emit.

  • Specular Intensity: Determines how much specular areas of the source are affected. This is also important for Blooming Effects.

  • Radius: Defines the active area of a Point or Spotlight.

  • Outer and Inner Cone Angle: Defines the angle of a spot light’s beam (available to spot lights only).

  • Layer: Defines the layer, this light is active. See Light Layer plug-in.

Shadow Settings

  • Shadow On/Off: Generates shadows from the lights when set to On (this setting is not available on Area Lights).

  • Offset Factor: Defines the polygon offset factor for shadow rendering.

  • Offset Units: Defines the polygon offset units for shadow rendering.

  • Split Lambda: The value to blend between log and uniform cascade splitting.

Global Illumination Properties

  • Radiosity Multiplier: Defines a scale factor for the radiosity contribution of the realtime light source.

  • Bake: Defines if your light is used as a real-time light or as a baked Global Illumination light.

  • Baked Radiosity Multiplier: Defines a scale factor for the radiosity contribution of the baked light source.

  • Baked Directional Spread: Produces basic soft shadows for baked lights when given positive values (for Directional lights only).