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Rendering Data with React

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Ssimfen
Last edited Apr 21, 2021
Created on Apr 21, 2021

A React application renders a pie chart from CSS named colors loaded via `d3.csv`, with each slice filled by its corresponding hexadecimal value. Using React's `useState` and `useEffect` hooks, the data is fetched asynchronously and displayed as SVG paths generated with `d3.arc` and `d3.pie`. The chart maps each color to an equal-sized slice, creating a full circular visualization of the dataset. Loading state is shown as a large text prompt until the CSV data arrives.

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Using useState to follow mouse events with a circle

MIT Licensed

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