On the Usability of Lombardi Graph Drawings

  • Helen C. Purchase
  • John Hamer
  • Martin Nöllenburg
  • Stephen G. Kobourov
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7704)

Abstract

A recent line of work in graph drawing studies Lombardi drawings, i.e., drawings with circular-arc edges and perfect angular resolution at vertices. Little is known about the effects of curved edges versus straight edges in typical graph reading tasks. In this paper we present the first user evaluation that empirically measures the readability of three different layout algorithms (traditional spring embedder and two recent near-Lombardi force-based algorithms) for three different tasks (shortest path, common neighbor, vertex degree). The results indicate that, while users prefer the Lombardi drawings, the performance data do not present such a positive picture.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Helen C. Purchase
    • 1
  • John Hamer
    • 1
  • Martin Nöllenburg
    • 2
  • Stephen G. Kobourov
    • 3
  1. 1.School of Computing ScienceUniversity of GlasgowGlasgowUK
  2. 2.Faculty of InformaticsKarlsruhe Institute of TechnologyKarlsruheGermany
  3. 3.Department of Computer ScienceUniversity of ArizonaTucsonUSA

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