Fork of Making an Interactive Pie Chart

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Fork of Making an Interactive Pie Chart

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WWangJiaCheng1999

Last edited Jun 5, 2021

Created on Jun 5, 2021

Forked from Making an Interactive Pie Chart

This interactive donut chart displays the proportion of income from Sales, Dividends, and Interest, with each slice labeled by category and showing a percentage on hover. Built with D3 v5, it uses `d3.pie`, `d3.arc`, and `d3.scaleOrdinal` to generate SVG paths, while tooltips are implemented via mouse events and a styled HTML div. The chart reads its data from a CSV file, computing percentages from the parsed values, and features rounded slice corners and a responsive hover opacity effect.

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MIT Licensed

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This donut chart displays the relative proportions of three income sources—Sales, Dividends, and Interest—loaded from a CSV file. Each slice is labeled with its category name and colored using a custom ordinal scale. The visualization uses D3 v5’s `pie` and `arc` generators to compute slice geometry and `scaleOrdinal` for coloring. Hovering over a slice triggers an interactive tooltip that calculates and displays the percentage of the total amount represented by that slice, using `d3.sum` for aggregation and event listeners for mouse interactions.

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