Overloaded Orthogonal Drawings

  • Evgenios M. Kornaropoulos
  • Ioannis G. Tollis
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7034)


Orthogonal drawings are widely used for graph visualization due to their high clarity of representation. In this paper we present a technique called Overloaded Orthogonal Drawing. We first place the vertices on grid points following a relaxed version of dominance drawing, called weak dominance condition. Edge routing is implied automatically by the vertex coordinates. In order to simplify these drawings we use an overloading technique. All algorithms are simple and easy to implement and can be applied to directed acyclic graphs, planar, non-planar and also undirected graphs. We also present bounds on the number of bends and the area. Overloaded Orthogonal drawings present several interesting properties such as efficient visual edge confirmation as well as simplicity and clarity of the drawing.


Directed Acyclic Graph Transitive Closure Outgoing Edge Outerplanar Graph Planar Embedding 
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 2012

Authors and Affiliations

  • Evgenios M. Kornaropoulos
    • 1
    • 2
  • Ioannis G. Tollis
    • 1
    • 2
  1. 1.Department of Computer ScienceUniversity of CreteHeraklionGreece
  2. 2.Institute of Computer ScienceFoundation for Research and Technology-HellasHeraklionGreece

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