A Multi-resolution Data Structure for Two-dimensional Morse-Smale Functions

  • Authors:
  • P.-T. Bremer;H. Edelsbrunner;B. Hamann;V. Pascucci

  • Affiliations:
  • University of California, Davis/ Lawrence Livermore National Laboratory, Livermore;Duke University, Durham;University of California, Davis;Lawrence Livermore National Laboratory, Livermore

  • Venue:
  • Proceedings of the 14th IEEE Visualization 2003 (VIS'03)
  • Year:
  • 2003

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Abstract

We combine topological and geometric methods to construct a multi-resolution data structure for functions over two-dimensional domains. Starting with the Morse-Smale complex, we construct a topological hierarchy by progressively canceling critical points in pairs. Concurrently, we create a geometric hierarchy by adapting the geometry to the changes in topology. The data structure supports mesh traversal operations similarly to traditional multi-resolution representations.