Activity_7.1.1

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Activity_7.1.1

✓ Published0🌍 Public

Last edited Nov 3, 2024

Created on Nov 3, 2024

This example visualizes 2022 US auto sales by brand as a pie chart, with each slice colored and accompanied by a legend showing brand names, their percentage of total sales, and sales figures in thousands. The code loads CSV data via `d3.csv`, computes pie layout using `d3.pie`, and renders SVG paths with `d3.arc`. Legends are built manually with appended rectangles and text, using `d3.scaleOrdinal` for categorical colors and `d3.format` for tick labels.

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Activity_7.1.1

A pie chart displays 2022 U.S. auto sales by brand, with each slice sized by year-to-date sales. Percentages and sales values (in thousands) are shown in a legend. Built with D3 v5, the visualization loads CSV data via `d3.csv`, computes pie arc paths with `d3.pie`, and renders them as SVG paths using `d3.arc`. A sequential `d3.scaleOrdinal` color scheme distinguishes brands. The chart is centered in a 960×450 SVG canvas, with legends positioned to the right.

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