Scalable, versatile and simple constrained graph layout

  • Authors:
  • Tim Dwyer

  • Affiliations:
  • Microsoft Research, Redmond

  • Venue:
  • EuroVis'09 Proceedings of the 11th Eurographics / IEEE - VGTC conference on Visualization
  • Year:
  • 2009

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Abstract

We describe a new technique for graph layout subject to constraints. Compared to previous techniques the proposed method is much faster and scalable to much larger graphs. For a graph with n nodes, m edges and c constraints it computes incremental layout in time O(n log n+m+c) per iteration. Also, it supports a much more powerful class of constraint: inequalities or equalities over the Euclidean distance between nodes. We demonstrate the power of this technique by application to a number of diagramming conventions which previous constrained graph layout methods could not support. Further, the constraint-satisfaction method-inspired by recent work in position-based dynamics--is far simpler to implement than previous methods.