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Glyph Visualization and Yet Another Tree Visualization

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Glyph Visualization and Yet Another Tree Visualization. Matt Williams InfoVis 533c April 3, 2003. Overview. Managing Software with New Visual Representation TimeWheel 3D Wheel InfoBUG Summary Intermission Tree Visualization using SpaceTree Guiding Principles Results Summary.

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  1. Glyph Visualizationand Yet Another Tree Visualization • Matt Williams • InfoVis 533c • April 3, 2003

  2. Overview • Managing Software with New Visual Representation • TimeWheel • 3D Wheel • InfoBUG • Summary • Intermission • Tree Visualization using SpaceTree • Guiding Principles • Results • Summary

  3. Managing Software with New Visual Representation • Chuah and Eick in Information Visualization Proceedings IEEE 1997. http://www-2.cs.cmu.edu/~mei/infobug.htm • Glyph: A symbol, such as a stylized figure or arrow on a public sign, that imparts information nonverbally. http://www.dictionary.com

  4. Project Management Issues Issues related to large project • Diversity/Variety • Correspondence to real world • Time • Large Data Volumes

  5. Time How can we represent time • Animation? • Good for easily perceived outliers • Time Series Graphs? • Good for comparing across time • TimeWheel Mei C. Chuah and Stephan G. Eick. Managing software with new visual representations. In Proceedings 97 Information Visualization, pages 30--37. IEEE, 1997. http://citeseer.nj.nec.com/chuah97managing.html

  6. TimeWheel • Displays trends for a number of attributes at a time • Visually differentiable result comparing increasing vs. decreasing treads • Maintain “Objectedness” through Gestalt principals Mei C. Chuah and Stephan G. Eick. Managing software with new visual representations. In Proceedings 97 Information Visualization, pages 30--37. IEEE, 1997. http://citeseer.nj.nec.com/chuah97managing.html

  7. TimeWheel • Can Take it all in one quick look (preattentive pop out??) • Separable (objectedness) • Avoids local grouping effects (closure) Mei C. Chuah and Stephan G. Eick. Managing software with new visual representations. In Proceedings 97 Information Visualization, pages 30--37. IEEE, 1997. http://citeseer.nj.nec.com/chuah97managing.html

  8. Time Separable? Mei C. Chuah and Stephan G. Eick. Managing software with new visual representations. In Proceedings 97 Information Visualization, pages 30--37. IEEE, 1997. http://citeseer.nj.nec.com/chuah97managing.html

  9. 3D Wheel Mei C. Chuah and Stephan G. Eick. Managing software with new visual representations. In Proceedings 97 Information Visualization, pages 30--37. IEEE, 1997. http://citeseer.nj.nec.com/chuah97managing.html

  10. InfoBUG • Show many properties while still maintaining “objectedness” • Certain patterns preattentively pop out • Interactive Mei C. Chuah and Stephan G. Eick. Managing software with new visual representations. In Proceedings 97 Information Visualization, pages 30--37. IEEE, 1997. http://citeseer.nj.nec.com/chuah97managing.html

  11. Body • Bar - file changes • Spots – number of subsystems • Useful?? • Tail • Width – new lines (errors/functionality) • Height – Lines deleted InfoBUG • Wings • Lines of Code vs. Number of Errors • Interactive • Head • Code Type Mei C. Chuah and Stephan G. Eick. Managing software with new visual representations. In Proceedings 97 Information Visualization, pages 30--37. IEEE, 1997. http://citeseer.nj.nec.com/chuah97managing.html

  12. InfoBUG Mei C. Chuah and Stephan G. Eick. Managing software with new visual representations. In Proceedings 97 Information Visualization, pages 30--37. IEEE, 1997. http://citeseer.nj.nec.com/chuah97managing.html

  13. Glyph Visualization • Conclusion • Using gestalt principals Glyphs can objectify properties using and offer trend pattern “pop out” • Questions?? Mei C. Chuah and Stephan G. Eick. Managing software with new visual representations. In Proceedings 97 Information Visualization, pages 30--37. IEEE, 1997. http://citeseer.nj.nec.com/chuah97managing.html

  14. Intermission • Hungry?

  15. Intermission • Suffer! http://www.lardlad.com/cgi-bin/image.cgi?school/school07.gif

  16. Tree Visualization using SpaceTree • Treemaps, Hyperbolic, and now … • SpaceTree • SpaceTree: Supporting Exploration in Large Node Link Tree, Design Evolution and Empirical Evaluation Catherine Plaisant, Jesse Grosjean, and Ben B. Bederson. Proc. InfoVis 2002.

  17. Tree Visualization using SpaceTree • Navigate by clicking on the nodes • Aggregation of unopened branches into a triangle representing depth and average width. Triangle shading represented number of nodes • Dynamic Filters/Queries • SpaceTree: Supporting Exploration in Large Node Link Tree, Design Evolution and Empirical Evaluation Catherine Plaisant, Jesse Grosjean, and Ben B. Bederson. Proc. InfoVis 2002.

  18. SpaceTree - Guiding Principles 1) Semantic Zooming vs. Geometric scaling • Simple progressive scaling provides impractical results – must be readable • Instead SpaceTree provides semantic zooming from readable nodes to aggregated triangles • SpaceTree: Supporting Exploration in Large Node Link Tree, Design Evolution and Empirical Evaluation Catherine Plaisant, Jesse Grosjean, and Ben B. Bederson. Proc. InfoVis 2002.

  19. SpaceTree - Guiding Principles 2) Automatic Maximization the number of levels shown • SpaceTree: Supporting Exploration in Large Node Link Tree, Design Evolution and Empirical Evaluation Catherine Plaisant, Jesse Grosjean, and Ben B. Bederson. Proc. InfoVis 2002.

  20. SpaceTree - Guiding Principles 3) Decompose the tree animation – Trim, Translate and Grow. • Trim branches that would overlap new branch • Translate Tree so the new branch will fit • Grow Tree 4) Maintain Landmarks to reduce disorientation during animation • Provide Highlight for the chosen node and path to the root • SpaceTree: Supporting Exploration in Large Node Link Tree, Design Evolution and Empirical Evaluation Catherine Plaisant, Jesse Grosjean, and Ben B. Bederson. Proc. InfoVis 2002.

  21. SpaceTree - Guiding Principles 5) Dynamic filtering/Queries • SpaceTree: Supporting Exploration in Large Node Link Tree, Design Evolution and Empirical Evaluation Catherine Plaisant, Jesse Grosjean, and Ben B. Bederson. Proc. InfoVis 2002.

  22. SpaceTree - Guiding Principles 6) Data-Aware Zooming Controls • Allow Zooming basing on node selection rather than “free” zooming • SpaceTree: Supporting Exploration in Large Node Link Tree, Design Evolution and Empirical Evaluation Catherine Plaisant, Jesse Grosjean, and Ben B. Bederson. Proc. InfoVis 2002.

  23. SpaceTree - Results Experiment comparing Windows Explorer, Hyperbolic Browser(Lamping), and SpaceTree. • Node Finding • Returning to previously viewed nodes • Listing ancestors of a node – SpaceTree faster • Find 3 nodes that have more than 10 children – Hyperbolic faster • User Preferences – “coolness factor” • SpaceTree: Supporting Exploration in Large Node Link Tree, Design Evolution and Empirical Evaluation Catherine Plaisant, Jesse Grosjean, and Ben B. Bederson. Proc. InfoVis 2002.

  24. SpaceTree – Summary • Natural, Clear Navigation of Trees • Aggregation – Semantic Zooming • Dynamic Queries • No “Breakthrough” Results • SpaceTree: Supporting Exploration in Large Node Link Tree, Design Evolution and Empirical Evaluation Catherine Plaisant, Jesse Grosjean, and Ben B. Bederson. Proc. InfoVis 2002.

  25. The End http://www.lardlad.com/cgi-bin/image.cgi?homer/homer115.gif