Join Eric Keller for an in-depth discussion in this video Describing the Fresnel effect, part of Creating Textures and Shaders in Maya.
Another important concept to understand when talking about reflections is the…concept of Fresnel reflections.…Fresnel reflections are named after the 19th Century French physicists…Augustin-Jean Fresnel.…This property describes how reflections behave based on the angle at which they are viewed.…The angle which the surface is viewed is often referred to as the angle of incidence.…As a surface turns away from the eye or the rendering camera, it can become…increasingly reflective.…
So a good example of this is this render that I have right now.…I'm comparing two different surfaces.…They have an equal amount of reflectivity applied.…But this surface exhibits the phenomena of Fresnel reflections.…You can see on the parts of the surface that are more perpendicular to the…camera are less reflective than the parts of the surface that are moving…away from the camera.…You can sort of think of it this way.…Pretend that you are standing at the edge of a clear lake.…If you look straight down into the lake, you can clearly see the bottom and all…
- Understanding shading concepts
- Simulating the Fresnel effect for realistic reflections
- Rendering transparent and translucent surfaces
- Comparing mental ray and Maya standard shaders
- Introducing the mia_material
- Developing shader networks
- Using subsurface scattering shaders
- Mapping polygon UV coordinates
- Incorporating texture nodes into networks
- Improving skin detail with ambient occlusion
- Painting bump maps
- Creating normal and displacement maps
- Troubleshooting maps
Skill Level Intermediate
Photoshop CS5 Essential Trainingwith Michael Ninness11h 15m Beginner
Creating Natural Environments in Mayawith Aaron F. Ross4h 18m Intermediate
Lighting and Rendering with mental ray in Mayawith Eric Keller4h 56m Intermediate
1. Shading Concepts
2. Shading in mental ray
4. mental ray Texture Nodes
5. Creating Surface Details with Textures
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