Integrated Polytrees: A Generalized Model for the Integration of Spatial Decomposition and Boundary Representation

  • Martin J. Dürst
  • Tosiyasu L. Kunii


We present a new and more efficient way to store polygonal and polyhedral data. Generalizing the splitting rule of the polytree, we obtain a storage requirement that is much lower and more stable, and actually has an upper bound for any given object. Using polytrees as a spatial directory in combination with the boundary representation (which stores geometric and topological data), we obtain an integrated data structure that permits the execution of a broad variety of algorithms for a wide range of applications in reasonable time.


Black Hole Computer Graphic Boundary Representation Simple Polygon Spatial Index 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 1989

Authors and Affiliations

  • Martin J. Dürst
    • 1
  • Tosiyasu L. Kunii
    • 1
  1. 1.Department of Information Science, Faculty of ScienceUniversity of TokyoBunkyo-ku, 113 TokyoJapan

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