Progressive pie chart 2
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SSokrates86
Last edited Jan 22, 2016
Created on Jan 22, 2016
A donut chart visualizes the proportion of 546 successful operations against 155 errors, with an animated arc that sweeps to the success ratio while the center count updates from zero to 546. Rendered as an SVG using D3 v3, the example builds a pie layout, computes an ordinal color scale, and animates the inner progress arc via `transition.attrTween` with an interpolated end angle. The dark-themed widget card displays percentage labels around the ring, and the animation runs on a 750-millisecond delay.
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