Sunburst 2

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Last edited Jun 13, 2022

Created on Jun 13, 2022

This interactive sunburst diagram displays hierarchical data from the flare dataset, with each ring representing a level of the hierarchy and arc size proportional to node value. Clicking a node zooms into that branch, animating the layout through an SVG transition. The visualization uses D3 v5’s `d3.partition`, `d3.hierarchy`, and `d3.arc` for geometry, with `transition.attrTween` handling the zoom animation and `d3.interpolate` for smooth arc morphing. Labels rotate and fade based on visibility, while a central circle resets the view.

AI-generated description

Mike Bostock's D3 Zoomable Sunburst example

with D3 v5 (based on the changes in v5)

<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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