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TTharun2022

Last edited Apr 16, 2022

Created on Apr 16, 2022

This example shows a donut chart of population data by age group, with a legend positioned to the right of the chart. The visualization uses D3 v3’s `d3.svg.arc` and `d3.layout.pie` to compute the arc paths, while a custom `d3.legend` function (defined in `d3.legend.js`) generates the legend from `data-legend` attributes attached to each arc path. Each slice is filled with a categorical color from an ordinal scale (`d3.scale.ordinal`), and the legend displays matching colors and age labels. Data is loaded from a CSV file.

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A bare minimum HTML page demonstrating use of CSS and JavaScript.

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