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Page Contents

Table of Contents
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The V-Ray IES Light is a V-Ray specific light source plugin that can be used to create physically accurate area lights.

 

Main

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Enabled (Image Added) – Turns the VRayLight on and off.Filter

Color

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 – Specifies the color of the light.

Intensity (lm) – When enabled, specifies the strength of the light to override the intensity specified in the .ies file.

IES Light File

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 – Specifies

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an .ies

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 file to use for the current light.

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Shape – Determines how the shape of the light specified in the .ies

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 file will be taken into consideration during the calculation of shadows.

From IES File -  Uses the shape information stored in the .ies file.
Point - Treats the light shape as a point light.
Circle - Treats the light shape as a planar circular area light. Its dimensions can be specified with the diameter parameter below.
Sphere - Treats the light shape as a sphere light. Its dimensions can be specified with the diameter parameter below.

Diameter – Specifies the diameter for applicable light shape types.

 

Note

The Diameter parameter is only available when the Circle and Sphere shapes are selected.

 

Options

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Affect Diffuse

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 – When enabled, the light affects the diffuse properties of the materials. 

Affect Specular

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 – When enabled, the light affects the specular of the materials.

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Shadows – When enabled (the default), the

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Caustic Subdivs light casts shadows. When disabled, the light does not cast shadows.


 

Caustic photons

 

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Caustic Subdivs – Used by V-Ray when calculating Caustics. Lower values produce noisy results, noisy results but will render faster. Higher values produce smoother results, smoother results but take more time.

Shadows When enabled (the default), the light casts shadows. When disabled, the light does not cast shadows.


Notes

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  • Light Color and Intensity may also be adjusted in the Rhino Light Property Panel.

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