GeoBuilder: A Geometric Algorithm Visualization and Debugging System for 2D and 3D Geometric Computing

  • Authors:

  • Jyh-Da Wei;Ming-Hung Tsai;Gen-Cher Lee;Jeng-Hung Huang;Der-Tsai Lee

  • Affiliations:

  • Chang Gung University, Taipei;Institute of Information Science, Academia Sinica, Taipei;Institute of Information Science, Academia Sinica, Taipei;Institute of Information Science, Academia Sinica, Taipei;Institute of Information Science, Academia Sinica, Taipei

  • Venue:
  • IEEE Transactions on Visualization and Computer Graphics
  • Year:
  • 2009

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Abstract

Algorithm visualization is a unique research topic that integrates engineering skills such as computer graphics, system programming, database management, computer networks, etc., to facilitate algorithmic researchers in testing their ideas, demonstrating new findings, and teaching algorithm design in the classroom. Within the broad applications of algorithm visualization, there still remain performance issues that deserve further research, e.g., system portability, collaboration capability, and animation effect in 3D environments. Using modern technologies of Java programming, we develop an algorithm visualization and debugging system, dubbed GeoBuilder, for geometric computing. The GeoBuilder system features Java's promising portability, engagement of collaboration in algorithm development, and automatic camera positioning for tracking 3D geometric objects. In this paper, we describe the design of the GeoBuilder system and demonstrate its applications.