Tutorial
Meshing and Global Illumination

1. What artifacts do T-vertices introduce in Gouraud shading? Why do T-vertices arise? How can you avoid creating them?

2. Which of the following features do the following illumination algorithms provide?

   Algorithms:

   1. Local illumination
   2. Ray tracing
   3. Radiosity

   Features:

   1. View-independent illumination
   2. Specular highlights
   3. Soft shadows
   4. Generalized BRDF's
   5. Colour bleeding