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D3 v5 Zoomable Sunburst

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BBhavyatulasi
Last edited Mar 30, 2020
Created on Mar 30, 2020

A zoomable sunburst diagram displays hierarchical data from the Observable Flare dataset, with each ring segment representing a node and its value. Clicking a segment smoothly zooms and scales the visualization to focus on that subtree, using D3 v5’s `d3.hierarchy`, `d3.partition`, and `d3.arc`. Animated transitions via `transition.attrTween` and `d3.interpolate` update arc paths and labels, while `d3.scaleOrdinal` with an interpolated rainbow palette colors top-level branches.

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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