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D3 v5 Zoomable Sunburst

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SSumittiwari654
Last edited Nov 28, 2019
Created on Nov 28, 2019

This zoomable sunburst visualizes hierarchical data from an Observable flare dataset, letting users click arcs to zoom into nested categories. Built with D3 v5, it renders the chart as an SVG using `d3.partition` and `d3.arc`, with animated transitions via `transition.attrTween` that smoothly interpolate arc positions. Colors derive from a rainbow scale based on top-level children, while labels dynamically appear or fade based on arc visibility. The example also includes a central reset circle to navigate back to the root.

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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