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  c.pos:a.chartX-c.pos,plotY:d?e.len-a.chartX+e.pos:a.chartY-e.pos},b)},buildKDTree:function(){function a(c,e,d){var h,f;if(f=c&&c.length)return h=b.kdAxisArray[e%d],c.sort(function(a,b){return a[h]-b[h]}),f=Math.floor(f/2),{point:c[f],left:a(c.slice(0,f),e+1,d),right:a(c.slice(f+1),e+1,d)}}this.buildingKdTree=!0;var b=this,c=-1<b.options.findNearestPointBy.indexOf("y")?2:1;delete b.kdTree;r(function(){b.kdTree=a(b.getValidPoints(null,!b.directTouch),c,c);b.buildingKdTree=!1},b.options.kdNow?0:1)},
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