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Last edited Feb 25, 2023

Created on Feb 20, 2023

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A donut chart displays the distribution of a small dataset with categories a through e, each rendered as a colored arc segment. The visualization uses D3's `pie` function to compute angular values from object entries, with `arc` paths using inner and outer radii. Label lines and text annotations are positioned via `arc.centroid` calculations and polar-coordinate adjustments. The SVG output is generated through a React rendering pipeline, using `scaleOrdinal` for categorical color mapping and `join` for declarative element creation.

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

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