arc tween example

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arc tween example

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Last edited Jul 31, 2014

Created on Jul 31, 2014

A single SVG arc animates from zero to a full circle over one second, visually representing progress toward a goal. The code first draws a complete gray background ring, then overlays a black arc whose end angle transitions from 0 to 2π using `d3.svg.arc` and `transition.attrTween` with `d3.interpolate`. When the arc reaches full completion, a CSS transition changes its fill to orange via the `complete` class. The example uses D3 v3 and relies on SVG path rendering.

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