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Loading Data With React and D3

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AAshford
Last edited Dec 14, 2021
Created on Dec 11, 2021

This example demonstrates how React manages asynchronous data loading and state while D3 performs the visualization. It displays a color wheel pie chart built from CSS named colors fetched from a remote CSV file hosted on GitHub. The `useState` and `useEffect` hooks track the loading state, showing "Loading..." until the data arrives, then passing it to D3's `csv` parser. The visualization uses `d3.arc`, `d3.pie`, and SVG `<path>` elements to render each color as an equal-sized slice of the pie.

AI-generated description

Loads data and tracks state

MIT Licensed

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