From the course: Maya: Rendering in Arnold 6

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Optimizing subdivision with frustum culling

Optimizing subdivision with frustum culling - Maya Tutorial

From the course: Maya: Rendering in Arnold 6

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Optimizing subdivision with frustum culling

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- [Instructor] Another way to optimize subdivisions in screen space is with frustum culling. The frustum is the camera's field of view. Anything inside the frustum is potentially visible to the camera. Frustum culling disables subdivision outside the camera field of view, saving memory and slightly improving render times. Just so we can see the frustum, let's display it from the camera's shape node. Select the camera in any viewport, and open it's attributes with Control + A. In the Frustum Display Controls, enable Display Frustum. Then we can close the Attribute editor, and in the viewports we see a pyramid shape emanating from the camera's film back, and that's the frustum or field of view. Now let's enable frustum culling for subdivisions. Open up the Render Settings, go to the Arnold Renderer tab. At the very bottom open up Subdivision, and enable Frustum Culling. Down here we see something labeled Dicing Camera.…

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