Loading Data with React & D3

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Loading Data with React & D3

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Last edited Mar 7, 2021

Created on Mar 7, 2021

A smiling face is rendered as a multi-colored donut chart using React and D3, with each slice filled by a distinct CSS color from a remote CSV dataset. The example demonstrates data loading with `d3.csv` inside a React `useEffect` hook, showing a loading state until the data arrives. The visualization computes an arc path for each CSV row using `d3.arc` and `d3.pie`, positioning the chart via an SVG `<g>` transform. React manages the component state and renders the SVG elements.

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Smiley face implementation with React & D3.

MIT Licensed

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