Visual Debugging of Visualization Software: A Case Study for Particle Systems

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Visualization systems are complex dynamic software systems. Debugging such systems is difficult using conventional debuggers because the programmer must try to imagine the three-dimensional geometry based on a list of positions and attributes. In addition, the programmer must be able to mentally animate changes in those positions and attributes to grasp dynamic behaviors within the algorithm. In this paper we shall show that representing geometry, attributes, and relationships graphically permits visual pattern recognition skills to be applied to the debugging problem. The particular application is a particle system used for isosurface extraction from volumetric data. Coloring particles based on individual ... continued below

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5 p.

Creation Information

Angel, Edward & Crossno, Patricia July 12, 1999.

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  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM, and Livermore, CA (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

Visualization systems are complex dynamic software systems. Debugging such systems is difficult using conventional debuggers because the programmer must try to imagine the three-dimensional geometry based on a list of positions and attributes. In addition, the programmer must be able to mentally animate changes in those positions and attributes to grasp dynamic behaviors within the algorithm. In this paper we shall show that representing geometry, attributes, and relationships graphically permits visual pattern recognition skills to be applied to the debugging problem. The particular application is a particle system used for isosurface extraction from volumetric data. Coloring particles based on individual attributes is especially helpful when these colorings are viewed as animations over successive iterations in the program. Although we describe a particular application, the types of tools that we discuss can be applied to a variety of problems.

Physical Description

5 p.

Notes

OSTI as DE00009004

Medium: P; Size: 5 pages

Source

  • IEEE Visualization 1999, San Francisco, CA (US), 10/24/1999--10/29/1999

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  • Report No.: SAND99-1763C
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 9004
  • Archival Resource Key: ark:/67531/metadc793841

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Office of Scientific & Technical Information Technical Reports

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  • July 12, 1999

Added to The UNT Digital Library

  • Dec. 19, 2015, 7:14 p.m.

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  • April 11, 2017, 12:43 p.m.

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Angel, Edward & Crossno, Patricia. Visual Debugging of Visualization Software: A Case Study for Particle Systems, article, July 12, 1999; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc793841/: accessed July 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.