Graph layout ideas

[miromarchi]

• *Venn diagram + force-directed graph. *
  I'd like to introduce in the data of rbv the "formal networks" every organization is affiliated to.
  I wish to build a visualization which combines a Venn diagram with a network graph.
  Sets (groups) show formal affiliations, with overlapping capabilities as in Venn diagrams.
  Inside sets, each node is connected with it's neighbors as in a normal force-directed graph.
  This should give formal multimembership as well as overlapping practice communities.
• Edge bundling
  I'd like to bundle edges in the collaborators graph. Since they are all the same kind, and they are too many, it vould be easy to read the graph with edge bundling.

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