mxCompactTreeLayout.prototype.attachParent=function(a,b){var c=this.nodeDistance+this.levelDistance,d=(b-a.width)/2-this.nodeDistance;b=d+a.width+2*this.nodeDistance-b;a.child.offsetX=c+a.height;a.child.offsetY=b;a.contour.upperHead=this.createLine(a.height,0,this.createLine(c,b,a.contour.upperHead));a.contour.lowerHead=this.createLine(a.height,0,this.createLine(c,d,a.contour.lowerHead))};