
262 CHAPTER 8. SPINE AND RADIAL DRAWINGS
Figure 8.11 Illustration of the technique used to draw a planar graph on a semi-circle.
Figure taken from [DDLW05].
(a)
(b)
Figure 8.12 (a) A planar graph G (where the vertices are numbered accordi ng to a canon-
ical ordering of G). (b) A 1-radial, 1-bend drawing. The linear ordering of the vertices along
the (semi)-circle is different from the canonical ord er i ng. Figure taken from [DDLW05].