Loading Data with React & D3

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Loading Data with React & D3

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Last edited Jan 12, 2024

Created on Jan 10, 2024

A React application demonstrates asynchronous data loading with D3 by fetching a CSV of CSS named colors and rendering them as a pie chart. The code uses React’s `useState` and `useEffect` hooks to load data via `d3.csv`, displaying a “Loading…” message until the data arrives. Each row becomes a slice using `d3.pie` and `d3.arc`, with fills derived from the `RGB hex value` column. The visualization shows all colors as equal-sized arcs in an SVG, with D3’s `arc()` and `pie()` generators handling the geometry.

AI-generated description

A program that loads some data

MIT Licensed

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