Bend-Minimum Orthogonal Drawings of Plane 3-Graphs

  • Authors:
  • Md. Saidur Rahman;Takao Nishizeki

  • Affiliations:
  • -;-

  • Venue:
  • WG '02 Revised Papers from the 28th International Workshop on Graph-Theoretic Concepts in Computer Science
  • Year:
  • 2002

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Abstract

In an orthogonal drawing of a plane graph, any edge is drawn as a sequence of line segments, each having either a horizontal or a vertical direction. A bend is a point where an edge changes its direction. A drawing is called a bend-minimum orthogonal drawing if the number of bends is minimum among all orthogonal drawings. This paper presents a linear-time algorithm to find a bend-minimum orthogonal drawing of any given plane 3-graph, that is, a plane graph of maximum degree three.