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D3 v5 Zoomable Sunburst

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YYash G
Last edited Mar 26, 2020
Created on Mar 26, 2020

This interactive sunburst visualization displays hierarchical data from the Flare dataset, animating radial arcs and labels when clicking to zoom into nodes. Built with D3 v5, it uses `d3.hierarchy`, `d3.partition`, and `d3.arc` to render SVG paths, with `d3.interpolate` and `transition.attrTween` for smooth 750ms animations. The color scale uses `d3.scaleOrdinal` with `d3.interpolateRainbow`, and labels rotate and flip based on arc position. Data loads asynchronously via an Observable stdlib `require` call, while a central circle returns to the root view.

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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