This page provides information on the Raw Direct Light Render Element.
Overview
The Raw Direct Light Render Element stores the effects of direct light on scene objects with no diffuse components or GI contribution.
This is useful for adjusting the brightness of direct light during compositing.
UI Path: ||out Network|| > V-Ray Render Elements node > V-Ray > Render Channel > V-Ray Color Channel (RE) > Type > Raw Direct Light
Attributes
The parameters for this render element appear in the V-Ray RenderChannelColor render channels node.
Deep Output – Specifies whether to include this render element in deep images.
Color Mapping – When enabled, the Color Mapping options in the render settings are applied to the current render channel.
Consider For AA – When enabled, anti-aliasing is used where possible.
Filtering – Applies the image filter to this channel. Image filter settings are in the Image Sampler tab of the Sampler tab of the V-Ray Renderer node.
Denoise – Enables the render element's denoising, provided the V-Ray Denoiser render element is present.
Derive Raw Channels – Generates data in the raw channels by combining the respective color and the filter color channels.
VFB Color Corrections – Applies the post render color adjustments made from the VFB.
This render element is not supported with V-Ray GPU rendering.
Common uses
The Raw Light Render Element is useful for changing the appearance of direct light 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 light 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.
Brightened Light Render Element
Brightened and tinted Light Render Element
Brightened Lights
Raised and tinted Lights
Underlying Compositing Equation
Raw Light x Diffuse = Direct Light