cs5984: Information Visualization Chris North

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Presentation transcript:

cs5984: Information Visualization Chris North Networks cs5984: Information Visualization Chris North

Networks Network = nodes + links Examples: Tasks: Nodes and links have attributes Examples: internet, web, Social, roads, communications, power sewers Tasks: shortest path, exploring neighborhood, topology, degrees, all paths, back,

Challenges Graph layout Scale Navigation Usual approach: Connections (nodes & links) Bowl of spaghetti!

Layout Position by attribute values Clustering Aesthetic constraints: Springs http://java.sun.com/applets/jdk/1.2/demo/applets/GraphLayout/example1.html Aesthetic constraints: Minimize link crossings Minimize link lengths Minimize link bends Hierarchization

Today Wills, “NicheWorks”, web Denzil, Aarthi

Assignment Read for Tues Homework #3: Thurs Mar 22 Korn, “Multi-Digraphs”, web shumei, yuying Homework #3: Thurs Mar 22 Mid-Project status report: Tues Mar 27