Simultaneous straight-line drawing of a planar graph and its rectangular\n dual
Tamara Mchedlidze
Abstract
Open-access reader
Tamara Mchedlidze
Abstract
Open-access reader
A natural way to represent on the plane both a planar graph and its dual is\nto follow the definition of the dual, thus, to place vertices inside their\ncorresponding primal faces, and to draw the dual edges so that they only cross\ntheir corresponding primal edges. The problem of constructing such drawings has\na long tradition when the drawings of both primal and dual are required to be\nstraight-line. We consider the same problem for a planar graph and its\nrectangular dual. We show that the rectangular dual can be resized to host a\nplanar straight-line drawing of its primal.\n
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A natural way to represent on the plane both a planar graph and its dual is\nto follow the definition of the dual, thus, to place vertices inside their\ncorresponding primal faces, and to draw the dual edges so that they only cross\ntheir corresponding primal edges. The problem of constructing such drawings has\na long tradition when the drawings of both primal and dual are required to be\nstraight-line. We consider the same problem for a planar graph and its\nrectangular dual. We show that the rectangular dual can be resized to host a\nplanar straight-line drawing of its primal.\n
Key concepts: Planar graph, Dual graph, Dual (grammatical number), Planar, Planar straight-line graph, Combinatorics, Graph, Graph drawing