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D3 v5 Zoomable Sunburst

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ZZhou180
Last edited Nov 29, 2020
Created on Nov 28, 2020

A zoomable sunburst diagram displays hierarchical data as concentric arcs, with click interactions drilling into nested levels and animating transitions via `d3.transition` and `attrTween`. Built with D3 v5, it uses `d3.hierarchy`, `d3.partition`, and `d3.arc` to render SVG paths, with `d3.scaleOrdinal` and `d3.interpolateRainbow` for color encoding. Data comes from the `@observablehq/flare` module requiring the Observable standard library. Labels rotate and fade based on arc visibility, and the visualization loads data asynchronously using `d3.csv` fetches.

AI-generated description

Mike Bostock's D3 Zoomable Sunburst example

<br></br> Ported from this Observable notebook for this forum thread. Many thanks to Bryan Gingechen who answered my question about the necessary steps to get from an (Observable) JavaScript notebook to a vanilla JavaScript index.html. He presented his solution on blockbuilder.org

MIT Licensed

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