anchor.diff:    function error() {
         console.log("error")
     }
  -})();
  
positive.code:     // renderMenu()
  
    var partition = d3.layout.partition()
        .sort(null)
        .value(function(d) {
          return d.parent.followers.total; });
  
    var arc = d3.svg.arc()
        .startAngle(function(d) { return Math.max(0, Math.min(2 * Math.PI, x(d.x))); })
  
negative.code: 
    var path = svg.datum(root).selectAll("path")
        .data(partition.nodes)
      .enter().append("path")
        .attr("d", arc)
        .style("fill", function(d) {
          return color((d.children ? d : d.parent).name); })
  