Abstract
It seems that straight lines seldom occur in natural objects and that humans actually prefer curved lines [1]. Thus it may not seem surprising that in aesthetics, curved lines are often to be preferred over straight ones, as found for example in Hogarth’s serpentine Line of Beauty [2]. More recently a number of “confluent drawings” [3] and “edge bundling” [4] methods have been proposed to reduce edge clutter by using curved edges. Inspired by the work of Mark Lombardi, there is also theoretical work [5] that uses curved edges to optimises angular resolution, i.e., keep the angles between adjacent edge uniform.
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Xu, K., Rooney, C., Passmore, P., Ham, DH. (2012). A User Study on Curved Edges in Graph Visualisation. In: Cox, P., Plimmer, B., Rodgers, P. (eds) Diagrammatic Representation and Inference. Diagrams 2012. Lecture Notes in Computer Science(), vol 7352. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-31223-6_34
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DOI: https://doi.org/10.1007/978-3-642-31223-6_34
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