d3.v4 collapsible force zoomable draggable radial tree using svg
This example shows a collapsible hierarchical dataset rendered as a radial tree, with nodes positioned by a custom circular projection and forces. Built with D3 v4, it combines a force simulation (`d3.forceSimulation`) with link, charge, center, collide, x, and y forces, along with zoom and drag behaviors. The visualization uses SVG and loads data from a JSON file (`data.json`), allowing users to expand and collapse nodes while the layout repositions dynamically.
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forked from <a href='http://bl.ocks.org/anonymous/'>anonymous</a>'s block: <a href='http://bl.ocks.org/anonymous/ca046ccc115520d501060e4256aa6ada'>d3.v4 collapsible force zoomable draggable radial tree using svg</a>
forked from <a href='http://bl.ocks.org/bumbeishvili/'>bumbeishvili</a>'s block: <a href='http://bl.ocks.org/bumbeishvili/b96ba47ea21d14dfce6ebb859b002d3a'>d3.v4 collapsible force zoomable draggable radial tree using svg</a>