Amazing pie

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Last edited Apr 23, 2017

Created on Apr 4, 2017

An animated donut chart displays eight arcs sized by the Fibonacci sequence, with proportional segments revealed through a sweeping transition. The visualization uses D3 v4’s `d3.pie` layout with padding, `d3.arc` for outer, inner, and corner radii, and a custom `arcTween` function via `transition.attrTween` to interpolate each arc’s start and end angles. A categorical color scale from `d3.scaleOrdinal(d3.schemeCategory10)` fills the segments, rendered as SVG paths within a centered group.

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