mxRadialTreeLayout.prototype.rowMinCenX=[];mxRadialTreeLayout.prototype.rowMaxCenX=[];mxRadialTreeLayout.prototype.rowRadi=[];mxRadialTreeLayout.prototype.row=[];mxRadialTreeLayout.prototype.isVertexIgnored=function(a){return mxGraphLayout.prototype.isVertexIgnored.apply(this,arguments)||0==this.graph.getConnections(a).length};