Topics for the Week of Nov 1, 2010
CS 445: Computer Graphics

• Tues: Mike Bailey (OSU) visits class to talk about shaders.

• Thursday - Labs:

  • Go over Lab 4: Lighting
  • Begin Lab 5: Textures

• Topics -

  • Textures - what are they and why are they used.
  • Texels.
  • Mappings between coordinates (s,t) vs (u,v) vs (x,y,z) vs (x_s, y_s)
  • Types of projections.
  • Issues: mipmapping, minification,
  • Implementation in OpenGL - Texture coordinates, parameters, etc
• Links
  • Look at Nate Robbin's texture.exe to experiment with texture parameters.
  • Mappings
  • Images from text
  • Environment Maps