Rendering data with React

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Rendering data with React

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Last edited Sep 25, 2021

Created on Sep 22, 2021

This example demonstrates how to render a pie chart of CSS named colors using React and D3. The code loads color data from a CSV file and displays each color as a slice of a circle. It uses React hooks like `useState` and `useEffect` to fetch data asynchronously with `d3.csv`, then maps the data points to `<path>` elements. The `d3.arc` function computes the shape of each slice based on computed start and end angles. The visualization is rendered as an SVG inside a React component.

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Load data with React

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