Only interpolate angles, not data, when updating label paths.

dc-js · Jun 2, 2016 · 4f2c31b · 4f2c31b
1 parent c5166de
commit 4f2c31b
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/pie-chart.js b/src/pie-chart.js
@@ -214,8 +214,9 @@ dc.pieChart = function (parent, chartGroup) {
         polyline.exit().remove();
         dc.transition(polyline, _chart.transitionDuration())
             .attrTween('points', function (d) {
-                this._current = this._current || d;
-                var interpolate = d3.interpolate(this._current, d);
+                var current = this._current || d;
+                current = {startAngle: current.startAngle, endAngle: current.endAngle};
+                var interpolate = d3.interpolate(current, d);
                 this._current = interpolate(0);
                 return function (t) {
                     var arc2 = d3.svg.arc()