The Self Illumination Render Element stores the illumination of any self-illuminated materials in the scene.

 

Overview


The Self Illumination Render Element isolates self-illuminated materials, including V-Ray Mesh Lights, objects with the V-Ray BRDFLight, and any objects with Self-Illumination enabled in their V-Ray material. This render element is useful for brightening or color-correcting self-illuminated materials in the final composite.

For example, the V-Ray Material has a parameter for self-illumination. If this parameter is set to a non-black color value, this render element will show the results of the self-illumination.

 

UI Path


 

||out Network|| > V-Ray Render Elements node > V-Ray > Render Channel > Color Channel > Self Illumination


Attributes


The parameters for this render element appear in the V-Ray RenderChannelColor render channels node.

 


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

Consider for Anti-Aliasing – When enabled, anti-aliasing will be 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.

Color Mapping – When enabled, the Color Mapping options in the render settings will be applied to the current render channel.

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.

 


Common uses


The Self Illumination Render Element is useful for changing the appearance of self-illuminated surfaces after rendering in compositing or image editing software. Below are two examples of its use.

 

 


Self Illumination Render Element

 


Original Beauty Composite

 

 

 


Self Illumination Render Element with added glow

 


Tinted Self Illumination Render Element with added glow

 

 

 


Self Illumination with added glow

 


Color of self-illuminated surface changed in composite

 

 

 

 

 

Compositing Formula


Self Illumination + Beauty = Final Image

 

 

 

Notes


  • This element contains only the light geometry itself, not the light emitted from it. Lighting information is contained in the Lighting Render Elements.

 

 

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