Learn how to use surface distance to map parameters.
- [Instructor] Ambient occlusion is a shading effect…that detects the distance between nearby surfaces.…Ambient occlusion is not needed…in a lighting context with Arnold,…because the global illumination is brute force.…It's calculated on every pixel.…There's no need to…add cracks and crevices with ambient occlusion…like you might in a previous work flow.…But ambient occlusion can still play a role…in a shader network.…For example, I want to apply a shading effect…to this picture frame where the recessed areas…will be a little bit darker,…and AO is a perfect candidate for that task.…
Do an active shade,…select the prospective viewport,…and click the ActiveShade button.…Open up the material editor,…and I've already got a material assigned to the frame,…and it's called frame silver arnold standard.…We can double-click on that to load its parameters.…To make the demonstration quite clear,…let's temporarily disconnect the bump map.…In the view we can select the wire…connecting the bump 2D node…with the frame silver normal input.…
Author
Aaron F. Ross
Released
6/5/2017- Arnold rendering concepts
- Arnold lights such as quad, spot, and distant
- Modifying Arnold object properties
- Filtering light with the gobo filter modifier
- Image-based lighting with Skydome
- Daylight simulation with Physical Sky
- Arnold Standard Surface material parameters
- Diffuse, opacity, and bump mapping
- Rendering refractions with Transmission
- Building an Arnold shading network
- Test rendering with utility map
- Mesh subdivision and displacement at render time
- Atmospheric perspective with scene environment fog
- Rendering a spherical environment with VR Camera
Skill Level Intermediate
Duration
Views
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Introduction
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Welcome1m 2s
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Using the exercise files2m 29s
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Updating the MAXtoA plugin1m 56s
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1. Concepts
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Course prerequisites1m 12s
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Introducing Arnold3m 53s
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Arnold rendering concepts3m 54s
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2. Studio Lighting
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Mapping light color3m 49s
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3. Environment Lighting
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Creating a distant light5m 17s
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4. Materials and Maps
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Mapping Diffuse and Opacity6m 41s
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5. Rendering
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Adding an Arnold atmosphere5m 15s
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Conclusion
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Next steps1m 9s
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Video: Shading with ambient occlusion