D3 v5 Zoomable Sunburst

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D3 v5 Zoomable Sunburst

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Last edited Jun 30, 2020

Created on Jun 30, 2020

This D3 v5 zoomable sunburst visualizes a hierarchical dataset, where clicking on a ring segment zooms in to reveal that branch as the new root. The visualization uses a radial partition layout, with arc segments representing nodes and their sizes proportional to values. Implemented with D3’s `d3.hierarchy`, `d3.partition`, and `d3.arc` APIs, it renders as an interactive SVG with smooth 750-millisecond transitions. Node colors derive from a quantized rainbow scale, and labels rotate along the arcs, with click handlers on parent circles enabling navigation. The data originates from the Observable “flare” library, which is loaded asynchronously.

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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