Graphical markov chain in javascript [closed]

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I have a Markov chain that I would like to represent graphically in javascript. I need to represent the nodes, links, and transition probabilities. Perhaps something like one of these two diagrams:

Finding a good image library (like Raphael) is not the problem. The problem, for me, is finding a way to make sure the nodes are laid out nicely, with a minimal amount of lines crossing in front of other nodes or lines. Something like the "Lay out diagram" option in OmniGraffle (I'm sure there's a similar feature in Visio).

Is there a JS library that can do this for me, and if not does anyone have any idea how to approach a problem like this? Note that my markov chains are likely to be a lot more complex then the examples above.

Answer 1

You might make out okay with one of the directed graph libraries like D3 or one of the directed graph layers on Raphael.

Answer 2

I'm using mxGraph for this currently. It's not free, but it's a case of you get what you pay for.

Answer 3

Viz.js can be used for this, it is a Javascript port of Graphviz.