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Clickable Circles from CSV

✓ Published4🌍 Public
223100098@lums.edu.pk
Last edited Oct 8, 2025
Created on Oct 8, 2025

This example displays a set of colored circles loaded from a CSV file, each positioned and sized by its own coordinates and radius. Hovering over a circle highlights it with a black stroke, using a React state to track the selected circle's ID. The visualization is rendered with D3 v7's `select` and `csv` APIs, alongside React's `useEffect` and `useState` hooks, with circle attributes and mouse events applied via `selection.join`.

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