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This page provides information about the Light Rig Dome in V-Ray for Grasshopper.

 


Overview

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This rig consists of a Dome Light source and a background texture. By default the background is not visible.

This rig is ideal for image-based lighting. Loading a spherical texture will automatically give you direct light, global illumination, and reflections based on the image.

UI Text Box

By default, there is an HDRI map loaded in the V-Ray Light Rig Dome.

 
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Image Added 

 



Input Parameters

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Light On (Boolean) – Enables the Dome Light. Even when this option is disabled the texture remains visible in the background.Rotation 

Visible(Number) – Horizontally rotates the Dome LightBoolean) – Enables dome texture camera visibility. When disabled the light still illuminates the scene but is not visible in the background.

File (Path) – File Path to the texture map.

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Default (Scalar) – The color and multiplier directly determine the visible color of the light without any conversion. The light surface appears with the given color in the final image when seen directly by the camera.
Luminous Power (Lumens) – Total emitted visible light power measured in lumens. The intensity of the light does not depend on its size. A typical 100W incandescent light bulb emits about 1500 lumens of light.
Luminance (lm/m^2/sr) – Visible light surface power measured in lumens per square meter per steradian. The intensity of the light depends on its size.
Radiant Power (W) – Total emitted visible light power measured in watts. The intensity of the light does not depend on its size. This is not the same as the electric power consumed by a light bulb. A typical 100W light bulb only emits between 2 and 3 watts as visible light.
Radiance (W/m^2/sr) – Visible light surface power measured in watts per square meter per steradian. The intensity of the light depends on its size.

VisibleRotation (Boolean) – Enables dome texture camera visibility. When disabled the light still illuminates the scene but is not visible in the backgroundNumber) – Horizontally rotates the Dome Light.

Background Intensity (Number) – Multiplies the background texture intensity. The option only has an effect if Visible is enabled.

 

 



Output Parameters

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Add Light (Generic Data) – This Light output should be connected to the V-Ray Renderer's Light input slot.

Environment (Generic Data) – V-Ray Environment to be connected to the V-Ray Renderer's Environment input slot.



Footnotes

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Fancy Bullets
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  • Starting with V-Ray6.10.10, the migration of Rig components, created with V-Ray 6.10.00, requires parameter rewiring.