Ward Anisotropic Model

Computer Graphics · Materials and BSDFs · 1992 · ward-anisotropic.yaml

An early reflectance model with separate roughness along two tangent directions, capturing brushed metal and other surfaces whose highlight stretches along the grain.

• supersedescorrects · extends
• classifiesspecializes · part-of
• substitutes forapproximates · alternative-to
• depends onrequires · validates

Colour is the family; a dashed line is the second member of it.

This node

• extendsadds capability to Specular Reflectionroughness differs along two tangent directions

References

• Measuring and Modeling Anisotropic Reflection — Ward — 1992 · link