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D3 v5 Zoomable Sunburst

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Qqazwsxedcrfvtgbyhnujmikol1234
Last edited Dec 26, 2019
Created on Dec 20, 2019

A zoomable sunburst chart displays hierarchical data as concentric arcs, where clicking a segment zooms in to show it as the new root. Built with D3 v5, it uses `d3.hierarchy`, `d3.partition`, and `d3.arc` to compute and render the layout, with a color scale based on `d3.interpolateRainbow`. Clicking triggers a smooth 750ms transition via `transition.attrTween`, animating arc paths and labels. The hierarchy comes from the Observable `@observablehq/flare` dataset, rendered as SVG with interactive hover tooltips.

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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