1. Kansas State University Department of Computing and Information Sciences CIS 736: Computer Graphics Wednesday, 12 April 2006 William H. Hsu Department of Computing and Information Sciences, KSU http://www.kddresearch.org http://www.cis.ksu.edu/~bhsu Readings: The Visual Display of Quantitative Information handout, E. R. Tufte Visualization and GUI Overview: Information Visualization, Graphical Excellence Lecture 33 of 42

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71. Kansas State University Department of Computing and Information Sciences CIS 736: Computer Graphics Color in Information Visualization

72. Kansas State University Department of Computing and Information Sciences CIS 736: Computer Graphics Summary Points Student Information In-Class Exercise: Turn to A Partner –Applications of CG to 2 human-computer interaction (HCI) problems –Common advantages –After-class exercise: think about common obstacles (send e-mail or post) Quick Review: Some Basic Analytic Geometry and Linear Algebra for CG –Vector spaces and affine spaces Subspaces Linear independence Bases and orthonormality –Equations for objects in affine spaces Lines Planes –Dot products and distance measures (norms, equations) Next Lecture: Geometry, Scan Conversion (Lines, Polygons)