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D3 v5 Zoomable Sunburst

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VVishnu Ch
Last edited Apr 13, 2020
Created on Apr 13, 2020

The zoomable sunburst visualizes hierarchical data from the Observable Flare dataset as concentric arcs, where clicking a node recenters and rescales the view on that subtree. Built with D3 v5, it uses `d3.hierarchy`, `d3.partition`, and `d3.arc` for layout and rendering, with smooth 750ms transitions driven by `transition.attrTween` and interpolation of arc geometry. Color is assigned per top-level branch via a rainbow ordinal scale, and labels rotate radially with visibility filtering.

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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