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Last edited Mar 13, 2021

Created on Mar 13, 2021

A donut chart displays five values as colored arcs with labels positioned outside the chart. Each label is connected to its corresponding arc by a thin pointer line ending in a small circular marker. The visualization uses d3.pie to compute arc angles and d3.arc for the donut shape, while d3.scaleOrdinal with interpolateHslLong assigns colors. Labels and pointer paths are positioned manually using trigonometry, and SVG markers define the pointer endpoints.

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Donut chart labels outside the chart

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