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Fork of Fork of Circles with D3

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CCurran Kelleher
Last edited Oct 6, 2025
Created on Oct 6, 2025

This visualization presents a set of colored circles overlaid on vertical bars, with clickable circles that highlight their selection with a black stroke. Data consists of 14 items with x, y, radius, and fill color properties. The code uses React hooks to manage the selected circle's ID and D3 v7's `select` and `join` methods to bind data and render SVG elements. Clicking a circle triggers `setSelectedId`, causing a re-render that updates the stroke attribute on the selected circle.

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MIT Licensed

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