Modifying a Force Layout II

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Modifying a Force Layout II

✓ Published0🌍 Public

Last edited Nov 23, 2016

Created on Nov 23, 2016

This example shows a force-directed graph with smooth transitions as nodes and links are added and removed. The initial state contains three unconnected nodes before edges form a triangle, from which one node is periodically removed and re-added. The code uses `d3.forceSimulation` with charge, link, x, and y forces, and applies the general update pattern for enter and exit selections. A notable technique is the use of `transition.attrTween` on exiting links to keep them visually connected to the moving nodes via their `x1`, `y1`, `x2`, and `y2` attributes until removal. The rendering is SVG with animation driven by the simulation’s tick event.

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.

gpl-3.0 Licensed

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