A new force-directed layout algorithm plugin named OpenOrd has just been released. It is one of the few force-directed layout algorithms that can scale to over 1 million nodes, making it ideal for large graphs.

Features:

  • Very fast, scales to millions nodes
  • Can be run in parallel, run it on multicore processors
  • Aims to highlight clusters

Install it directly from Gephi (Tools > Plugins > Available Plugins) or download it from the Plugin Center. Longer description and source code can be found directly on the plug-in page.

Below is a small demo of how fast this algorithm is layouting a 10K nodes network, and only using one processor.

OpenOrd Layout Demo in Gephi from gephi on Vimeo.

The algorithm original design and implementation can be found at this address. Kudos to the authors!

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