From the course: Maya: Rendering in Arnold 6

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Shading with ambient occlusion

Shading with ambient occlusion - Maya Tutorial

From the course: Maya: Rendering in Arnold 6

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Shading with ambient occlusion

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- [Instructor] Ambient occlusion is a shading effect that detects the distance between nearby surfaces. It was originally developed to block light from reaching recessed areas in a scene. With Arnold's brute force global illumination we don't need AO for lighting anymore, but it can still play a role in a shader network. In this case I want to apply a shading effect to this picture frame so that the recessed areas are darker. And AO is an easy way to accomplish that. I've got Arnold running in this camera_picture viewport. Let's open up the hypershade window and create an Arnold ambient occlusion node. From the hypershade menu, go to Create, Arnold's Shader Surface, AI Ambient Occlusion. And if necessary, click to rearrange the graph. With that node selected, let's rename it. We'll call it frame_aiAO. Now let's assign it to the object, select the frame. Right-click near the top of that ambient occlusion node and from the…

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