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This page provides information on the Raw Lighting Render Element. 

Overview

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The Raw Lighting Render Element stores the effects of direct lighting on scene objects with no diffuse components or GI contribution.

This is useful for adjusting the brightness of direct lighting during compositing.

 

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titleUI Path: ||Display Render Settings button|| > Render Elements tab > Raw Light

 

To use render elements, select from the Available render elements column and click the Add button to add the passes you wish to generate at render time. When you render the scene, the added render elements listed in the column on the right, will also render, which can be viewed from the VFB window's channel drop-down menu.

For more information on the parameters on this dialog, see the Render Elements tab page.

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Attributes

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The parameters for this render element appear in the Attribute Editor under Extra V-Ray Attributes.

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Enabled – When checked, the render element appears in the V-Ray Virtual Frame Buffer.

Deep output – Specifies whether to include this render element in deep images.

Filename suffix – The text added to the end of the rendered file, when saved as a separate file (e.g. myrender.rawLight.img).

Apply color mapping – Applies the color mapping options specified in the Color mapping rollout of the VRay tab in the Render Settings window to this render element. This option is enabled by default.

Denoise – Enables the render element's denoising, provided the Denoiser render element is present.

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This render element is not supported with V-Ray GPU rendering.

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Common uses

The Raw Lighting Render Element is useful for changing the appearance of direct lighting after rendering in a compositing or image editing software. Below are a couple of examples of its use. In this set of render elements, direct lighting affects the back of the alien figure the most due to a strong back-light in the scene as well as the top of the circular machine above the figure.

 

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The Raw Lighting Render Element

 

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The Original Beauty Composite

 

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Brightened Lighting Render Element

 

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Brightened and tinted lighting Render Element

 

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Brightened Lights

 

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Raised and tinted Lights

 

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Underlying Compositing Equation

 vrayRE_Raw_Light x vrayRE_Diffuse = vrayRE_Lighting