Further Towards Unambiguous Edge Bundling: Investigating Power-Confluent Drawings for Network Visualization

Zheng JX, Pawar S, Goodman DFM
IEEE Transactions on Visualization and Computer Graphics (2021)
doi: 10.1109/TVCG.2019.2944619
 
Abstract. Bach et al. [1] recently presented an algorithm for constructing confluent drawings, by leveraging power graph decomposition to generate an auxiliary routing graph. We identify two problems with their method and offer a single solution to solve both. We also classify the exact type of confluent drawings that the algorithm can produce as 'power-confluent', and prove that it is a subclass of the previously studied 'strict confluent' drawing. A description and source code of our implementation is also provided, which additionally includes an improved method for power graph construction.
 

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