Maintaining the Mental Map for Circular Drawings
Kaufmann, Michael and Wiese, Roland (2002) Maintaining the Mental Map for Circular Drawings. In: Graph Drawing 10th International Symposium, GD 2002, August 26-28, 2002, Irvine, CA, USA , pp. 12-22 (Official URL: http://dx.doi.org/10.1007/3-540-36151-0_2).
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In this paper we present new ideas to extend the framework for circular drawing of networks by Six and Tollis  by some new concepts which makes the framework suitable for user interaction. The original approach displays each biconnected component in a circular way, and the blocktree of the graph as a tree drawn radially . We introduce the concept of hicircular drawings, a hierarchical extension of the mentioned framework replacing the circles of single vertices by circles of circular or star-like structures. This concept is inspired by the works of Brandenburg on graph clustering, and the recursive concepts of series-parallel graphs, PQ- resp. SPQR-trees.
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