anchor.diff:        .each(function(d) { console.log(d); this._current = d; });
         
       svg.append("path")
  -      .attr("id", "short")
  -      .datum({startAngle: scale(0), endAngle: scale(0), innerRadius: radius-80})
  -      .style("fill", "bbb")
  +      .attr("id", "long")
  +      .datum({startAngle: scale(0), endAngle: scale(0), innerRadius: radius-40})
  +      .style("fill", "ddd")
         .attr("d", arc)
         .each(function(d) { console.log(d); this._current = d; });
         
  
positive.code:           .style('fill', function(d) {
              if (d.perc > 1.0)
              {
                return '#b00';
              }
              return '#bbb';
            });
              
              
  
negative.code:           .style('fill', function(d) {
              if (d.perc > 1.0)
              {
                return '#b00';
              }
              return '#bbb';
            });
          
          
  