js/plugins/highchart/parts-3d/SVGRenderer.js
// set to 0-PI range
set to 0-PI range
set to 0 - PI range
function toZeroPIRange(angle) {
		angle = angle % (2 * Math.PI);
		if (angle > Math.PI) {
			angle = 2 * Math.PI - angle; 
		}
		return angle;
	}
function toZeroPIRange ( angle ) { angle = angle % ( 2 * Math . PI ) ; if ( angle > Math . PI ) { angle = 2 * Math . PI - angle ; } return angle ; }
set to 0-PI range
set to 0 - PI range