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Merge pull request #1164 from etimberg/fix/angle-calculation
Fix the angle calculation for slice detection
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commit
5b5463b6f9
@ -370,12 +370,10 @@
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distanceFromYCenter = anglePoint.y - centrePoint.y,
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radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter);
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var angle = Math.atan2(distanceFromYCenter, distanceFromXCenter);
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var angle = Math.PI * 2 + Math.atan2(distanceFromYCenter, distanceFromXCenter);
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//If the segment is in the top left quadrant, we need to add another rotation to the angle
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if (distanceFromXCenter < 0 && distanceFromYCenter < 0) {
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angle += Math.PI * 2;
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if (angle < (-0.5 * Math.PI)) {
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angle += 2.0 * Math.PI; // make sure the returned angle is in the range of (-PI/2, 3PI/2]
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}
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return {
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@ -1443,8 +1441,12 @@
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y: chartY
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});
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// Put into the range of (-PI/2, 3PI/2]
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var startAngle = vm.startAngle < (-0.5 * Math.PI) ? vm.startAngle + (2.0 * Math.PI) : vm.startAngle;
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var endAngle = vm.endAngle < (-0.5 * Math.PI) ? vm.endAngle + (2.0 * Math.PI) : vm.endAngle
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//Check if within the range of the open/close angle
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var betweenAngles = (pointRelativePosition.angle >= vm.startAngle && pointRelativePosition.angle <= vm.endAngle),
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var betweenAngles = (pointRelativePosition.angle >= startAngle && pointRelativePosition.angle <= endAngle),
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withinRadius = (pointRelativePosition.distance >= vm.innerRadius && pointRelativePosition.distance <= vm.outerRadius);
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return (betweenAngles && withinRadius);
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