Graph Edge Bundling by Medial Axes

We present a new method for bundling edges of general graphs, based on 2D medial axes of edge sets which are similar in terms of position. We combine edge clustering, distance fields, and 2D medial axes to progressively bundle general graphs by attract-ing edges towards the centerlines of level sets of their distance fields. Our method allows for an efficient GPU implementation. We illustrate our method on several large real-world graphs.