code: function (init) {
  		var series = this,
  			points = series.points,
  			startAngleRad = series.startAngleRad;
  
  		if (!init) {
  			each(points, function (point) {
  				var graphic = point.graphic,
  					args = point.shapeArgs;
  
  				if (graphic) {
  					// start values
  					graphic.attr({
  						r: series.center[3] / 2, // animate from inner radius (#779)
  						start: startAngleRad,
  						end: startAngleRad
  					});
  
  					// animate
  					graphic.animate({
  						r: args.r,
  						start: args.start,
  						end: args.end
  					}, series.options.animation);
  				}
  			});
  
  			// delete this function to allow it only once
  			series.animate = null;
  		}
  	}
docs: Animate the pies in