akisaarinen · August 29, 2015 14:25
diff --git a/README.md b/README.md
diff --git a/data.tsv b/data.tsv
diff --git a/index.html b/index.html
 <!DOCTYPE html>
 <meta charset="utf-8">
 <style>

 body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  margin: auto;
  position: relative;
  width: 960px;
 }

 text {
  font: 10px sans-serif;
 }

 form {
  position: absolute;
  right: 10px;
  top: 10px;
 }

 </style>
 <form>
  <label><input type="radio" name="dataset" value="apples" checked> Apples</label>
  <label><input type="radio" name="dataset" value="oranges"> Oranges</label>
 </form>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
 <script>

 var width = 960,
    height = 500,
    radius = Math.min(width, height) / 2;

 var color = d3.scale.category20();

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

 var arc = d3.svg.arc()
    .innerRadius(radius - 100)
    .outerRadius(radius - 20);

 var svg = d3.select("body").append("svg")
    .attr("width", width)
    .attr("height", height)
  .append("g")
    .attr("transform", "translate(" + width / 2 + "," + height / 2 + ")");

 d3.tsv("data.tsv", type, function(error, data) {
  var path = svg.datum(data).selectAll("path")
      .data(pie)
    .enter().append("path")
      .attr("fill", function(d, i) { return color(i); })
      .attr("d", arc)
      .each(function(d) { this._current = d; }); // store the initial angles

  d3.selectAll("input")
      .on("change", change);

  var timeout = setTimeout(function() {
    d3.select("input[value=\"oranges\"]").property("checked", true).each(change);
  }, 2000);

  function change() {
    var value = this.value;
    clearTimeout(timeout);
    pie.value(function(d) { return d[value]; }); // change the value function
    path = path.data(pie); // compute the new angles
    path.transition().duration(750).attrTween("d", arcTween); // redraw the arcs
  }
 });

 function type(d) {
  d.apples = +d.apples;
  d.oranges = +d.oranges;
  return d;
 }

 // Store the displayed angles in _current.
 // Then, interpolate from _current to the new angles.
 // During the transition, _current is updated in-place by d3.interpolate.
 function arcTween(a) {
  var i = d3.interpolate(this._current, a);
  this._current = i(0);
  return function(t) {
    return arc(i(t));
  };
 }

 </script>
diff --git a/thumbnail.png b/thumbnail.png
	<!DOCTYPE html>
	<meta charset="utf-8">
	<style>

	body {
	font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
	margin: auto;
	position: relative;
	width: 960px;
	}

	text {
	font: 10px sans-serif;
	}

	form {
	position: absolute;
	right: 10px;
	top: 10px;
	}

	</style>
	<form>
	<label><input type="radio" name="dataset" value="apples" checked> Apples</label>
	<label><input type="radio" name="dataset" value="oranges"> Oranges</label>
	</form>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
	<script>

	var width = 960,
	height = 500,
	radius = Math.min(width, height) / 2;

	var color = d3.scale.category20();

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

	var arc = d3.svg.arc()
	.innerRadius(radius - 100)
	.outerRadius(radius - 20);

	var svg = d3.select("body").append("svg")
	.attr("width", width)
	.attr("height", height)
	.append("g")
	.attr("transform", "translate(" + width / 2 + "," + height / 2 + ")");

	d3.tsv("data.tsv", type, function(error, data) {
	var path = svg.datum(data).selectAll("path")
	.data(pie)
	.enter().append("path")
	.attr("fill", function(d, i) { return color(i); })
	.attr("d", arc)
	.each(function(d) { this._current = d; }); // store the initial angles

	d3.selectAll("input")
	.on("change", change);

	var timeout = setTimeout(function() {
	d3.select("input[value=\"oranges\"]").property("checked", true).each(change);
	}, 2000);

	function change() {
	var value = this.value;
	clearTimeout(timeout);
	pie.value(function(d) { return d[value]; }); // change the value function
	path = path.data(pie); // compute the new angles
	path.transition().duration(750).attrTween("d", arcTween); // redraw the arcs
	}
	});

	function type(d) {
	d.apples = +d.apples;
	d.oranges = +d.oranges;
	return d;
	}

	// Store the displayed angles in _current.
	// Then, interpolate from _current to the new angles.
	// During the transition, _current is updated in-place by d3.interpolate.
	function arcTween(a) {
	var i = d3.interpolate(this._current, a);
	this._current = i(0);
	return function(t) {
	return arc(i(t));
	};
	}

	</script>