CS 445: Topics for the Week of Sept 25, 2006

• Monday: Demo and turn in Part 1 of Project 2

• Continue reading: Chapter 4 Mathematics for Modeling
  Begin reading: Chapter 5 Color and Blending

• Work on Part 2 of Project 2: Scene Graphs, Transformations, and Navigation

  • Hand out written exercises for Part 2 of Project 2

• Finish discussion of navigation program.

• Continue to talk about the mathematics

  • Scalars, points, and vectors
  • Representation of lines, rays. Parametarization.
  • Animation along a path
  • Dot and cross products, and what you can do with them.
  • Matrix representation of transformations: translation, scale, rotation, shear, reflection, projection. Eg see 2D Transformations
  • Determinants, inverses
  • Homogeneous coordinates
  • Matrices in OpenGL

• Color and Blending:

  • Color
  • Phong Model
  • Wikipedia Color Models
  • Transparency - discuss example in text. To see color versions of the images in text, open up the file Notes.pdf on \\home\classes in the folder gorr\cs445