Rendering data with React & D3

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Rendering data with React & D3

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Last edited Aug 2, 2021

Created on Feb 26, 2021

This example visualizes all 147 CSS named colors as a circular pie chart, with each slice filled with its corresponding RGB hex value. The code uses React hooks (useState and useEffect) to fetch and store the data from a CSV file, then renders SVG paths via React elements. D3’s csv, pie, and arc functions compute the slice angles and path geometry, while React manages the component lifecycle and DOM updates. The chart loads asynchronously, showing a loading message until the data arrives.

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