uttamg911/index.html

## index.html
<!DOCTYPE html>
<html>
<meta charset="utf-8">
<style>

body {
  font: 10px sans-serif;
}

svg {
  padding: 10px 0 0 10px;
}

.arc {
  stroke: #fff;
}

</style>
<body>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script>

var radius = 74,
    padding = 10;

var color = d3.scale.ordinal()
    .range([ "#FFD700","#BEBADA","#8DD3C7" ]);

var arc = d3.svg.arc()
    .outerRadius(radius)
    .innerRadius(radius - 30);

var dummy = [0,0,0]
d3.json("projects.json", function(error, data) {
    color.domain(d3.keys(data.project[0]).splice(1,4));

    data.project.forEach(function(d) {
    d.types = color.domain().map(function(name) {
      return {name: name, population: +d[name]};
    });
  });


   var legend = d3.select("body").append("svg")
      .attr("class", "legend")
      .attr("width", radius * 2)
      .attr("height", radius * 2)
    .selectAll("g")
      .data(color.domain().slice().reverse())
    .enter().append("g")
      .attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; });

  legend.append("rect")
      .attr("width", 18)
      .attr("height", 18)
      .style("fill", color);

  legend.append("text")
      .attr("x", 24)
      .attr("y", 9)
      .attr("dy", ".35em")
      .text(function(d) { return d; });

  var svg = d3.select("body").selectAll(".pie")
      .data(data.project)
    .enter().append("svg")
      .attr("class", "pie")
      .attr("width", radius * 2)
      .attr("height", radius * 2)
    .append("g")
      .attr("transform", "translate(" + radius + "," + radius + ")");

  svg.selectAll(".arc")
      .data(pie(dummy))
    .enter().append("path")
      .attr("class", "arc")
      .attr("d", arc)
      .style("fill", function(d) { return color(d.data.name); })
      .each(function(d){this._current = d;});

  svg.append("text")
      .attr("dy", ".35em")
      .style("text-anchor", "middle")
      .text(function(d,i) { return d.name; });

});

setTimeOut(function(){
  update();
}, 500);

function update() {
svg.selectAll(".arc").data(function(d, i) { return pie(d.types); })
   .transition()
   .duration(500)
   .attrTween("d", arcTween);

}

function arcTween(a){
  var i = d3.interpolate(this._current, a);
  this._current = i(0);
  return function(t) {
    return arc(i(t));
  };
}

var pie = d3.layout.pie()
    .sort(null)
    .value(function(d) { return d.population; });

    </script>
    </body>
</html>

## projects.json
{
	"project":  [
					{
						"name": "Village1",
						"enrolled": 608,
						"screened": 250,
						"redeemed": 100
					},
					{
						"name": "Village2",
						"enrolled": 254,
						"screened": 230,
						"redeemed": 10
					},
					{
						"name": "Village3",
						"enrolled": 237,
						"screened": 100,
						"redeemed": 90
					},
					{
						"name": "Village4",
						"enrolled": 278,
						"screened": 50,
						"redeemed": 30
					},
					{
						"name": "Village5",
						"enrolled": 827,
						"screened": 450,
						"redeemed": 300
					},
					{
						"name": "Village6",
						"enrolled": 698,
						"screened": 650,
						"redeemed": 600
					},
					{
						"name": "Village7",
						"enrolled": 620,
						"screened": 413,
						"redeemed": 240
					},
					{
						"name": "Village8",
						"enrolled": 116,
						"screened": 110,
						"redeemed": 92
					},
					{
						"name": "Village9",
						"enrolled": 480,
						"screened": 350,
						"redeemed": 281
					},
					{
						"name": "Village10",
						"enrolled": 667,
						"screened": 476,
						"redeemed": 331
					}
				]
	}
	<!DOCTYPE html>
	<html>
	<meta charset="utf-8">
	<style>

	body {
	font: 10px sans-serif;
	}

	svg {
	padding: 10px 0 0 10px;
	}

	.arc {
	stroke: #fff;
	}

	</style>
	<body>
	<script src="http://d3js.org/d3.v3.min.js"></script>
	<script>

	var radius = 74,
	padding = 10;

	var color = d3.scale.ordinal()
	.range([ "#FFD700","#BEBADA","#8DD3C7" ]);

	var arc = d3.svg.arc()
	.outerRadius(radius)
	.innerRadius(radius - 30);

	var dummy = [0,0,0]
	d3.json("projects.json", function(error, data) {
	color.domain(d3.keys(data.project[0]).splice(1,4));

	data.project.forEach(function(d) {
	d.types = color.domain().map(function(name) {
	return {name: name, population: +d[name]};
	});
	});


	var legend = d3.select("body").append("svg")
	.attr("class", "legend")
	.attr("width", radius * 2)
	.attr("height", radius * 2)
	.selectAll("g")
	.data(color.domain().slice().reverse())
	.enter().append("g")
	.attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; });

	legend.append("rect")
	.attr("width", 18)
	.attr("height", 18)
	.style("fill", color);

	legend.append("text")
	.attr("x", 24)
	.attr("y", 9)
	.attr("dy", ".35em")
	.text(function(d) { return d; });

	var svg = d3.select("body").selectAll(".pie")
	.data(data.project)
	.enter().append("svg")
	.attr("class", "pie")
	.attr("width", radius * 2)
	.attr("height", radius * 2)
	.append("g")
	.attr("transform", "translate(" + radius + "," + radius + ")");

	svg.selectAll(".arc")
	.data(pie(dummy))
	.enter().append("path")
	.attr("class", "arc")
	.attr("d", arc)
	.style("fill", function(d) { return color(d.data.name); })
	.each(function(d){this._current = d;});

	svg.append("text")
	.attr("dy", ".35em")
	.style("text-anchor", "middle")
	.text(function(d,i) { return d.name; });

	});

	setTimeOut(function(){
	update();
	}, 500);

	function update() {
	svg.selectAll(".arc").data(function(d, i) { return pie(d.types); })
	.transition()
	.duration(500)
	.attrTween("d", arcTween);

	}

	function arcTween(a){
	var i = d3.interpolate(this._current, a);
	this._current = i(0);
	return function(t) {
	return arc(i(t));
	};
	}

	var pie = d3.layout.pie()
	.sort(null)
	.value(function(d) { return d.population; });

	</script>
	</body>
	</html>
	{
	"project": [
	{
	"name": "Village1",
	"enrolled": 608,
	"screened": 250,
	"redeemed": 100
	},
	{
	"name": "Village2",
	"enrolled": 254,
	"screened": 230,
	"redeemed": 10
	},
	{
	"name": "Village3",
	"enrolled": 237,
	"screened": 100,
	"redeemed": 90
	},
	{
	"name": "Village4",
	"enrolled": 278,
	"screened": 50,
	"redeemed": 30
	},
	{
	"name": "Village5",
	"enrolled": 827,
	"screened": 450,
	"redeemed": 300
	},
	{
	"name": "Village6",
	"enrolled": 698,
	"screened": 650,
	"redeemed": 600
	},
	{
	"name": "Village7",
	"enrolled": 620,
	"screened": 413,
	"redeemed": 240
	},
	{
	"name": "Village8",
	"enrolled": 116,
	"screened": 110,
	"redeemed": 92
	},
	{
	"name": "Village9",
	"enrolled": 480,
	"screened": 350,
	"redeemed": 281
	},
	{
	"name": "Village10",
	"enrolled": 667,
	"screened": 476,
	"redeemed": 331
	}
	]
	}