This page gives some basic details about the Material Select Render Element and how it is used in compositing.
The Material Select Render Element stores only the object(s) assigned to a specified V-Ray compatible material. The material can be a top-level material or a sub-material of a VRayMtlBlend.
||Render Settings window|| > Render Elements tab > Material Select
The parameters for this render element appear in the Attribute Editor under Extra V-Ray Attributes.
Enable – When enabled, 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.materialSelect.vrimg).
Material – The material that is rendered out in the render element.
Explicit channel name – Specifies an explicit name for the generated image channel.
Materials – The V-Ray material list rendered by render element if more than one material needs to be rendered in the same pass.
Denoise – Enables the render element's denoising, provided the Denoiser render element is present.
This render element is not supported with V-Ray GPU rendering.
The Material Render Element is useful for changing the appearance of the object(s) assigned to a specified V-Ray compatible material during compositing. Below is an example of its use.
Material Select Render Element
Original Beauty composite
Tinted Material Select Render Element
Tinted Material Select