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Modifying a Force Layout with buttons

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Aalmsuarez
Last edited Jan 18, 2018
Created on Jan 18, 2018

Three buttons step through a force-directed graph animation, adding and removing nodes and links to show how a D3 v4 force layout handles dynamic data. The example demonstrates smooth enter and exit transitions for both circles and lines, with `d3.forceSimulation` driving the physics. A key technique is `transition.attrTween`, which keeps exiting links visually connected to moving nodes during removal, even after the links leave the `link` selection. The reset button restores the initial three-node state.

AI-generated description

This example modifies a force-layout with transitions for smooth enter and exit. An interesting technique here is the use of transition.attrTween to keep the exiting links connected to the moving nodes, even after the links have been removed from the link selection.

forked from <a href='http://bl.ocks.org/mbostock/'>mbostock</a>'s block: <a href='http://bl.ocks.org/mbostock/0adcc447925ffae87975a3a81628a196'>Modifying a Force Layout II</a>

gpl-3.0 Licensed

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