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D3 v5 Zoomable Sunburst

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RRashid Iqbal
Last edited Aug 29, 2020
Created on Aug 29, 2020

A zoomable sunburst visualization displays hierarchical data with a fictional dataset of restaurant categories across six North American cities. Users click arcs to zoom and transition between hierarchy levels, with smooth 750ms animated rotations and resizing. The example uses D3 v5’s `d3.hierarchy`, `d3.partition`, and `d3.arc` to compute the layout, with `transition.attrTween` handling the interpolation between view states. Labels and arc opacity dynamically adjust based on visibility. Data is loaded from the `@observablehq/flare` module via the Observable standard library in vanilla JavaScript.

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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