Issue #189 fixed pie.html example

examples/pie.html

@@ -56,11 +56,12 @@ nv.addGraph(function() {
         height = nv.utils.windowSize().height / 2 - 40;
 
     var chart = nv.models.pie()
+        .values(function(d) { return d })
         .width(width)
         .height(height);
 
     d3.select("#test1")
-        .datum(testdata)
+        .datum([testdata])
       .transition().duration(1200)
         .attr('width', width)
         .attr('height', height)
@@ -74,12 +75,13 @@ nv.addGraph(function() {
         height = nv.utils.windowSize().height / 2 - 40;
 
     var chart = nv.models.pie()
+        .values(function(d) { return d })
         .width(width)
         .height(height)
         .donut(true);
 
     d3.select("#test2")
-        .datum(testdata)
+        .datum([testdata])
       .transition().duration(1200)
         .attr('width', width)
         .attr('height', height)

nv.d3.js

@@ -7159,6 +7159,7 @@ nv.models.pie = function() {
       //------------------------------------------------------------
       // Setup containers and skeleton of chart
 
+      //var wrap = container.selectAll('.nv-wrap.nv-pie').data([data]);
       var wrap = container.selectAll('.nv-wrap.nv-pie').data([getValues(data[0])]);
       var wrapEnter = wrap.enter().append('g').attr('class','nvd3 nv-wrap nv-pie nv-chart-' + id);
       var gEnter = wrapEnter.append('g');

src/models/pie.js

@@ -35,6 +35,7 @@ nv.models.pie = function() {
       //------------------------------------------------------------
       // Setup containers and skeleton of chart
 
+      //var wrap = container.selectAll('.nv-wrap.nv-pie').data([data]);
       var wrap = container.selectAll('.nv-wrap.nv-pie').data([getValues(data[0])]);
       var wrapEnter = wrap.enter().append('g').attr('class','nvd3 nv-wrap nv-pie nv-chart-' + id);
       var gEnter = wrapEnter.append('g');