Characteristics of the Ward's anisotropic BRDF

Introduction

Results

Metallic sphere

These images were rendered with a path tracer with direct lighting only. The metallic sphere has specular component only to show the shape and the size of the highlight.

Roughness parameters: 0.05 0.05

Roughness parameters: 0.1 0.1

Roughness parameters: 0.2 0.2

Roughness parameters: 0.5 0.5

Roughness parameters: 1.0 1.0

Roughness parameters: 0.1 0.2

Roughness parameters: 0.1 0.5

Roughness parameters: 0.1 1.0

Non-metallic sphere

These images were rendered with a path tracer with direct lighting only.

Roughness parameters: 0.1 0.1

Roughness parameters: 0.1 0.2

Roughness parameters: 0.1 1.0

Plane

These images were rendered with a path tracer with direct lighting only.

Roughness parameters: 0.1 0.1

Roughness parameters: 0.1 0.2

Roughness parameters: 0.1 0.5

Roughness parameters: 0.1 1.0

Utah teapot

These images were renderered using RenderMan compliant renderer BMRT.

Rougness parameters: 0.3 0.3

Rougness parameters: 0.15 0.5

Rougness parameters: 0.5 0.15

Table cloth

These images were renderered with a path tracer with direct lighting only.

Rougness parameters: 0.1 0.1

Rougness parameters: 0.1 0.2

Rougness parameters: 0.1 0.5

Conclusions

Simon Premoze (premoze@cs.utah.edu)