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D3 v5 Zoomable Sunburst

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TTravy Trav
Last edited Mar 13, 2020
Created on Mar 13, 2020

This zoomable sunburst visualizes the hierarchical Flare dataset, showing relative sizes of its categories through nested arcs. Clicking a node smoothly zooms into its subtree, while a center circle returns to the root. The example uses D3 v5’s `d3.hierarchy`, `d3.partition`, and `d3.arc` to compute layout and shapes, with `transition.attrTween` and `d3.interpolate` animating arc positions. Labels rotate and fade based on visibility, and the color scale applies `d3.interpolateRainbow` per top-level branch, rendered as an SVG with user interaction.

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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