 
 
         pointers = pointerGroup.selectAll("path.pointer")
-            .data(data)
+            .data([data])
         pointers.enter()
             .append("path")
             .attr("class", "pointer")


        pie = d3.layout.pie()
            .sort(null)
            .value((d) -> d.value)

        arc = d3.svg.arc()
          .outerRadius(radiuso)

            .remove()

        labels = labelGroup.selectAll("text")
            .data([data].sort((p1,p2) -> return p1.startAngle - p2.startAngle))
        labels.enter()
            .append("text")
            .attr("text-anchor", "middle")
