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First implementation results and open issues on the Poincaré-TEN data structure

  • Friso Penninga
  • Peter van Oosterom
Part of the Lecture Notes in Geoinformation and Cartography book series (LNGC)

Abstract

Modeling 3D geo-information has often been based on either simple extensions of 2D geo-information modeling principles without considering the additional 3D aspects related to correctness of representations or on 3D CAD based solutions applied to geo-information. Our approach is based from the scratch on modeling 3D geo-information based on the mathematically well-defined Poincaré-TEN data structure. The feasibility of this approach still has to be verified in practice. In this paper, the first experiences of loading a reasonable sized data set, comprised of about 1,800 buildings represented by nearly 170,000 tetrahedrons (including the ‘air’ and ‘earth’), are discussed. Though the Poincaré-TEN data structure is feasible, the experience gained during the implementation raises new research topics: physical storage in one (tetrahedron only) or two tables (tetrahedron and node), effective clustering and indexing improvements, more compact representations without losing too much performance, etc.

Keywords

Storage Requirement Airborne Laser Scanner Data Node Table Simplex Code Simplicial Homology 
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 2008

Authors and Affiliations

  • Friso Penninga
    • 1
  • Peter van Oosterom
    • 1
  1. 1.OTB, section GIS TechnologyDelft University of Technologythe Netherlands

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