Upward Planarization Layout

  • Markus Chimani
  • Carsten Gutwenger
  • Petra Mutzel
  • Hoi-Ming Wong
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5849)


Recently, we presented a new practical method for upward crossing minimization [6], which clearly outperformed existing approaches for drawing hierarchical graphs in that respect. The outcome of this method is an upward planar representation (UPR), a planarly embedded graph in which crossings are represented by dummy vertices. However, straight-forward approaches for drawing such UPRs lead to quite unsatisfactory results. In this paper, we present a new algorithm for drawing UPRs that greatly improves the layout quality, leading to good hierarchal drawings with few crossings. We analyze its performance on well-known benchmark graphs and compare it with alternative approaches.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • Markus Chimani
    • 1
  • Carsten Gutwenger
    • 1
  • Petra Mutzel
    • 1
  • Hoi-Ming Wong
    • 1
  1. 1.Chair for Algorithm EngineeringTU DortmundGermany

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