iray Render Elements

The iray renderer has its own set of elements you can render.

• Main toolbar > (Render Setup) > Render Setup dialog > Choose NVIDIA iray as the production renderer. > Render Elements panel > Render Elements rollout > Add button > Render Elements dialog > Add an element to the elements list (or select an existing element in the list).
• Rendering menu > Render Setup > Render Setup dialog > Choose NVIDIA iray as the production renderer. > Render Elements panel > Render Elements rollout > Add button > Render Elements dialog > Add an element to the elements list (or select an existing element in the list).

iray render elements are specified by Light Path Expressions. The iray renderer can render up to 6 render elements at a time.

• Custom LPE: Lets you enter a Light Path Expression of your own.
• Light: Area: Renders light cast by area lights.
• Light: Environment: Renders light cast by the environment.
• Light: Point: Renders light cast by point lights.
• Mtl: Caustics: Renders reflective and refractive caustics.
• Mtl: Diffuse: Renders diffuse lighting on surfaces.
• Mtl: Reflections: Renders reflections.
• Mtl: Self Illumination: Renders self-illuminating objects.
• Mtl: Translucency: Renders translucent areas of the scene.
• Mtl: Transparency: Renders transparent areas of the scene.

Interface

All iray render elements have the same interface. The Light Path Expression sets up the lighting conditions to be rendered.

Shown: Light Path Expression for the Light: Area element

Light Path Expression

Specifies the light paths to render. You can edit this expression to obtain different results; if you want to enter your own LPE, we recommend you use the Custom LPE element.