Importing Data and Pie Chart

Visualizing Data with React & D3

This example displays a pie chart of CSS named colors, loaded from a CSV file. Each slice represents a color, and its fill is the color’s hex value. The code uses D3 v6 utilities `d3.csv` to fetch the data and `d3.pie` along with `d3.arc` to compute the pie geometry. React manages the application state, initially showing a “Loading…” message while the CSV is fetched, then rendering the chart as SVG paths.

MMGamboa

Pie chart using data loaded with React and D3

This example displays a pie chart where each slice represents a named CSS color from a dataset loaded via `d3.csv`. The chart renders as SVG using React components, with `d3.pie()` computing the arc angles and `d3.arc()` generating the path shapes. React state manages the asynchronous data loading, and each slice’s fill color directly uses the `RGB hex value` from the CSV data.

HHeidi Stockton

Loading data with React & d3

This example shows a pie chart of CSS named colors rendered as SVG, where each slice represents one color from a CSV dataset loaded from a GitHub gist. Using React state, the `useEffect` hook triggers `d3.csv` to fetch the data, and conditional rendering displays a loading message until the data arrives. The `d3.pie` and `d3.arc` functions compute the pie layout, with each colored path fill derived from the hex value column. The dataset contains 148 color rows with columns for name and RGB hex value.

TTakuya Kitazawa

Visualizing Data with React & D3

This example visualizes a dataset of CSS named colors as a pie chart rendered with SVG. The React application loads the CSV data using D3’s `csv` loader, then maps each color entry to a pie slice whose fill is the color’s RGB hex value. The chart uses D3’s `arc` generator to compute the path for each slice, with angles evenly distributed across the full circle. React manages the state and rendering of the SVG elements.

Ddrandalldesign

Loading Data with React & D3

This example demonstrates how to load and render a dataset with React and D3, displaying the CSS named colors as a pie chart where each slice corresponds to a color. The visualization uses React hooks like `useState` and `useEffect` to fetch CSV data via `d3.csv`, then applies `d3.pie` and `d3.arc` to generate SVG paths. The chart is rendered with React's declarative JSX, filling each slice with its corresponding hex color value from the dataset.

HHunDeTroie

Rendering Data with React and D3

The example shows a pie chart of CSS named colors, where each slice represents one color from the dataset. It loads color data from a CSV file using D3's `csv` utility, then renders SVG paths with React, using D3's `pie` and `arc` functions to compute the slice geometry. The chart employs React's `useState` and `useEffect` hooks to handle asynchronous data loading, and each path's fill is set to the color's hex value from the data.

Aalexandermodell

Rendering Data with React & D3 Pie CHart

This example visualizes the 148 named CSS colors as a pie chart, with each slice filled using its corresponding hexadecimal color value from a CSV dataset. Built with React and D3 v5, the code uses D3’s `csv` loader to fetch the data, `pie` to compute slice arcs, and `arc` to generate the SVG path geometries. React’s `useState` and `useEffect` manage the asynchronous data loading, while the chart renders as an SVG with a loading placeholder shown before data arrives.

Bboreilly26

Rendering Data with React

This example uses React and D3 to render a circular pie chart of CSS named colors loaded from a CSV file. The visualization displays each color as a slice arranged around a central point, with the fill color derived from the `RGB hex value` column in the data. The code uses React state via `useState` and `useEffect` to fetch the CSV with `d3.csv` and update the UI, while `d3.pie` and `d3.arc` generate the SVG path geometry. A loading message appears until the data is fully fetched and parsed.

CChristian Potdevin