CS 445: Topics for Nov 4/6, 2014

• Labs:
  • Lab 5: Lighting & Shaders - Due Tuesday, Nov 4
  • Begin Lab 6: Textures - Due Tuesday, Nov 11

• Textures -

  • Texels: A texel, or texture element (also texture pixel) is the fundamental unit of texture space.
  • Mapping coordinates: (s,t) vs (u,v) vs (x,y,z) vs (x_s, y_s)
    • Mappings
    • Texture - Object - Screen coordinates
    • Types of Projections
  • Aliasing
    • Aliasing issues
    • Issues: mipmapping, minification, magnification (ppt) or see pdf
  • Look at Nate Robbin's texture.exe to experiment with texture parameters. Or, go into Maya.
  • Implementation in OpenGL - Texture coordinates, parameters, etc (see code in lab)
  • Other types of maps
    • Environment Mapping
    • CubeMap Example
    • Bump Mapping, normals

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