Definitely could ask dot to spit out things as an SVG or JSON which you then could instrument / manipulate with d3 or vega.

Edit: also WRT node shapes mentioned elsewhere: you should be able to specify shape => "whatever" in the add_node call and pick a value from the supported shape tags.

The cake is a lie.
The cake is a lie.
The cake is a lie.

In reply to Re^3: Visualizing a dependency graph in a web page by Fletch
in thread Visualizing a dependency graph in a web page by LanX

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