d3visual/testpie.htm at master · masahmad/d3visual · GitHub

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<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>Pie Charts</title>

        <!-- Stylesheet -->
        <link rel="stylesheet" type="text/css" href="css/style.css">

        <!-- Load D3 -->
        <script src="script/d3.v4.min.js" charset="utf-8"></script>

        <style>

		svg {background-color:#ddd; width:100%;height:100%;}

		</style>


    </head>
    <body>
        <h2>Pie Chart and Donut Chart</h2>


        <script>

		s =  {
    transformX: 400,
	transformY: 220,
	pieRadius: 200,
	innerPieRadius:150,
	pieStyle:"default",
	pieFX:"none",
	label:"none",
	opacity:1,
    parentContainer: 'body'

  }


			var t0 = Date.now();
			 var radius      = s.pieRadius;

			 var canvas   = d3.select('body')
            .append("svg")
            .attr("width", 300)
            .attr("height", 300);


        var group  = canvas.append("g")
            .attr("transform", "translate(" + s.transformX + "," + s.transformY +")");

        var arc  = d3.arc()
            .innerRadius(s.innerPieRadius)
            .outerRadius(radius);


        var color       = d3.scaleOrdinal()
		.range(['#E6E6FA','#D8BFD8','#DDA0DD','#DA70D6','#EE82EE','#FF00FF','#FF00FF','#BA55D3','#9932CC','#9400D3','#8A2BE2','#8B008B']);


	d3.json("/d3/data/testdata.json", function (data)
    {


		console.log(data);


        var pie  = d3.pie()
            .value(function (d)
            {
                return d.performance;
            });

        var theArc  = group.selectAll(".arc")
            .data(pie(data))
            .enter()
            .append("g")
            .attr("class", "arc");

        theArc.append("path")
            .attr("d", arc)
			.style("stroke", "#333")
			.style("stroke-width", "1")
			.style("opacity", s.opacity)
            .attr("fill", function (d)
            {
                return color(d.data.appname);
            })

		.transition()
      .ease(d3.easeElastic)
      .duration(25000)
      .attrTween("d", tweenDonut)

		//animate
		/*
	  theArc.transition()
      .ease(d3.easeLinear)
      .duration(5000)
      .attrTween("d", tweenDonut);
	 */


			/*
        theArc.append("text")
           .attr("transform", function (d) {
                return "translate(" + arc.centroid(d) + ")";
            })
            .attr("dy", "0.15em")
			.attr("font-size", "11px")
			.attr("fill", "#444")
            .text(function (d)
            {
                return d.data.appname;
            });
			*/


		 }); // end ajax


	 var tweenDonut = function (b) {

		//   function tweenDonut(b) {
  b.innerRadius = 0;
  var i = d3.interpolate({startAngle: 0, endAngle: 0}, b);
  return function(t) { return arc(i(t)); };
}


		</script>


    </body>

</html>