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              <section class="container">
  <div class="left">
    <h2>Before</h2>
    <div id='before'></div>
  </div>
<div class="middle">
  <h2>After</h2>
  <div id='after'></div>
</div>
<div class="right">
  <svg id="donutChart" width="500" height="500">    
  </svg>
</div>
</section>
            
          
!
            
              .container {
    width: 90%;
    margin: auto;
    padding: 10px;
}
.left {
    width: 10%;
    float: left;
}
.middle {
    width: 20%;
    margin-left: 10%;
    float: left;
}
.right {
  margin-left: 5%;
  float: left;
}

path.slice{
	stroke-width:2px;
}
polyline{
	opacity: .3;
	stroke: black;
	stroke-width: 2px;
	fill: none;
} 
svg text.percent{
	fill:white;
	text-anchor:middle;
	font-size:16px;
  font-weight:bold
}
            
          
!
            
              var arrayData = {
  label: ["Basic", "Plus", "Lite", "Elite", "Delux", "Oops", "Uh Oh"],
  value: [1, 2, 3, 4, 5],
  color: d3.schemeSet1
};

// Takes an object, where all values are arrays.  Returns an object with each value's length
const getLengths = arrayObj => R.map(R.length, arrayObj);
// Takes an object of lenghts, returns the minimum
const getMinOfObject = lengthObj => R.reduce(R.min, Number.MAX_VALUE, R.values(lengthObj));
// const getMinLength = R.pipe( getLengths, getMinOfObject );
const getIndexes = R.pipe( getLengths, getMinOfObject, R.range(0));
// Given an object with arrays as values, and an index, returns an object with the values at the nth position
const getNth = R.curry( (arrayObj, n) => R.map( R.nth(n), arrayObj ) );

function zipArrays( arrayObj ) { 
  var indexes = getIndexes(arrayObj);
  return R.map(getNth(arrayObj), indexes);
}

// const zipArrays = R.chain(getNth, getIndexes);



var list = zipArrays(arrayData);
console.log(list);


var salesData=[
	{label:"Basic", value: 1, color:"#e41a1c"},
	{label:"Plus", value: 2, color:"#e41a1c"},
	{label:"Lite", value: 3, color:"#4daf4a"},
	{label:"Elite", value: 4, color:"#984ea3"},
	{label:"Delux", value: 5, color:"#ff7f00"}
];

R.equals(list, salesData);


// ================ Show the Results ================ //

// Display the differences
$('#before').JSONView(arrayData);
$('#after').JSONView(list);

// Code for 3D Donut Chart from http://bl.ocks.org/NPashaP/9994181
	var Donut3D={};
	
	function pieTop(d, rx, ry, ir ){
		if(d.endAngle - d.startAngle == 0 ) return "M 0 0";
		var sx = rx*Math.cos(d.startAngle),
			sy = ry*Math.sin(d.startAngle),
			ex = rx*Math.cos(d.endAngle),
			ey = ry*Math.sin(d.endAngle);
			
		var ret =[];
		ret.push("M",sx,sy,"A",rx,ry,"0",(d.endAngle-d.startAngle > Math.PI? 1: 0),"1",ex,ey,"L",ir*ex,ir*ey);
		ret.push("A",ir*rx,ir*ry,"0",(d.endAngle-d.startAngle > Math.PI? 1: 0), "0",ir*sx,ir*sy,"z");
		return ret.join(" ");
	}

	function pieOuter(d, rx, ry, h ){
		var startAngle = (d.startAngle > Math.PI ? Math.PI : d.startAngle);
		var endAngle = (d.endAngle > Math.PI ? Math.PI : d.endAngle);
		
		var sx = rx*Math.cos(startAngle),
			sy = ry*Math.sin(startAngle),
			ex = rx*Math.cos(endAngle),
			ey = ry*Math.sin(endAngle);
			
			var ret =[];
			ret.push("M",sx,h+sy,"A",rx,ry,"0 0 1",ex,h+ey,"L",ex,ey,"A",rx,ry,"0 0 0",sx,sy,"z");
			return ret.join(" ");
	}

	function pieInner(d, rx, ry, h, ir ){
		var startAngle = (d.startAngle < Math.PI ? Math.PI : d.startAngle);
		var endAngle = (d.endAngle < Math.PI ? Math.PI : d.endAngle);
		
		var sx = ir*rx*Math.cos(startAngle),
			sy = ir*ry*Math.sin(startAngle),
			ex = ir*rx*Math.cos(endAngle),
			ey = ir*ry*Math.sin(endAngle);

			var ret =[];
			ret.push("M",sx, sy,"A",ir*rx,ir*ry,"0 0 1",ex,ey, "L",ex,h+ey,"A",ir*rx, ir*ry,"0 0 0",sx,h+sy,"z");
			return ret.join(" ");
	}

	function getPercent(d){
		return (d.endAngle-d.startAngle > 0.2 ? 
				Math.round(1000*(d.endAngle-d.startAngle)/(Math.PI*2))/10+'%' : '');
	}	
	
	Donut3D.transition = function(id, data, rx, ry, h, ir){
		function arcTweenInner(a) {
		  var i = d3.interpolate(this._current, a);
		  this._current = i(0);
		  return function(t) { return pieInner(i(t), rx+0.5, ry+0.5, h, ir);  };
		}
		function arcTweenTop(a) {
		  var i = d3.interpolate(this._current, a);
		  this._current = i(0);
		  return function(t) { return pieTop(i(t), rx, ry, ir);  };
		}
		function arcTweenOuter(a) {
		  var i = d3.interpolate(this._current, a);
		  this._current = i(0);
		  return function(t) { return pieOuter(i(t), rx-.5, ry-.5, h);  };
		}
		function textTweenX(a) {
		  var i = d3.interpolate(this._current, a);
		  this._current = i(0);
		  return function(t) { return 0.6*rx*Math.cos(0.5*(i(t).startAngle+i(t).endAngle));  };
		}
		function textTweenY(a) {
		  var i = d3.interpolate(this._current, a);
		  this._current = i(0);
		  return function(t) { return 0.6*rx*Math.sin(0.5*(i(t).startAngle+i(t).endAngle));  };
		}
		
		var _data = d3.pie().sort(null).value(function(d) {return d.value;})(data);
		
		d3.select("#"+id).selectAll(".innerSlice").data(_data)
			.transition().duration(750).attrTween("d", arcTweenInner); 
			
		d3.select("#"+id).selectAll(".topSlice").data(_data)
			.transition().duration(750).attrTween("d", arcTweenTop); 
			
		d3.select("#"+id).selectAll(".outerSlice").data(_data)
			.transition().duration(750).attrTween("d", arcTweenOuter); 	
			
		d3.select("#"+id).selectAll(".percent").data(_data).transition().duration(750)
			.attrTween("x",textTweenX).attrTween("y",textTweenY).text(getPercent); 	
	}
	
	Donut3D.draw=function(id, data, x /*center x*/, y/*center y*/, 
			rx/*radius x*/, ry/*radius y*/, h/*height*/, ir/*inner radius*/){
	
		var _data = d3.pie().sort(null).value(function(d) {return d.value;})(data);
		
		var slices = d3.select("#"+id).append("g").attr("transform", "translate(" + x + "," + y + ")")
			.attr("class", "slices");
			
		slices.selectAll(".innerSlice").data(_data).enter().append("path").attr("class", "innerSlice")
			.style("fill", function(d) { return d3.hsl(d.data.color).darker(0.7); })
			.attr("d",function(d){ return pieInner(d, rx+0.5,ry+0.5, h, ir);})
			.each(function(d){this._current=d;});
		
		slices.selectAll(".topSlice").data(_data).enter().append("path").attr("class", "topSlice")
			.style("fill", function(d) { return d.data.color; })
			.style("stroke", function(d) { return d.data.color; })
			.attr("d",function(d){ return pieTop(d, rx, ry, ir);})
			.each(function(d){this._current=d;});
		
		slices.selectAll(".outerSlice").data(_data).enter().append("path").attr("class", "outerSlice")
			.style("fill", function(d) { return d3.hsl(d.data.color).darker(0.7); })
			.attr("d",function(d){ return pieOuter(d, rx-.5,ry-.5, h);})
			.each(function(d){this._current=d;});

		slices.selectAll(".percent").data(_data).enter().append("text").attr("class", "percent")
			.attr("x",function(d){ return 0.65*rx*Math.cos(0.5*(d.startAngle+d.endAngle));})
			.attr("y",function(d){ return 0.65*ry*Math.sin(0.5*(d.startAngle+d.endAngle));})
			.text(getPercent).each(function(d){this._current=d;});				
	}
	
var svg = d3.select("#donutChart").append("g").attr("id", "salesDonut");

Donut3D.draw("salesDonut", list, 250, 250, 250, 120, 80, 0.4);


            
          
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