Tree Example

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Last edited Nov 3, 2016

Created on Oct 20, 2016

This example shows a collapsible hierarchical tree diagram using D3 v3. Nodes representing a small family dataset appear as white circles with steelblue outlines, connected by curved gray links, and labeled with names. Clicking a node toggles its children, animating the tree’s layout transitions over 750 milliseconds. The code uses `d3.layout.tree`, `d3.svg.diagonal`, and SVG-based rendering, with enter, update, and exit selections to handle dynamic node and link changes.

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