bubble.html

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

text {
  font: 10px sans-serif;
  text-anchor: middle;
}

</style>

<svg width="960" height="960">
</svg>

<script src="js/d3.v4.min.js"></script>
    <script src="js/d3.tip.v0.6.3.js"></script>
<script>    
var country = window.location.search.slice(window.location.search.lastIndexOf("?")+1).split("=")[1];

// ÆøÅÝ³öÏÖµÄÊ±¼ä¼ä¸ô
var appear_interval = 200;

var svg = d3.select("svg"),
    width = +svg.attr("width");

var format = d3.format(",d");

var color = d3.scaleOrdinal(d3.schemeCategory20c);

var pack = d3.pack()
    .size([width, width])
    .padding(1.5);

var node = null;

var tooltip = d3.select("body")
    .append("div")
    .style("position", "absolute")
    .style("z-index", "10")
    .style("visibility", "hidden")
    .style("color", "white")
    .style("padding", "8px")
    .style("background-color", "rgba(0, 0, 0, 0.75)")
    .style("border-radius", "6px")
    .style("font", "12px sans-serif")
    .text("tooltip");

d3.csv("preprocessing/"+country+".csv", 
	function(d) {
		d.value = +d.value;
		if (d.value) return d;
	}, 
	function(error, classes) {
		if (error) throw error;

  var root = d3.hierarchy({children: classes})
      .sum(function(d) { return d.value; })
      .each(function(d) {
        if (id = d.data.id) {
          var id, i = id.lastIndexOf(".");
          d.id = id;
          d.package = id.slice(0, i);
          d.class = id.slice(i + 1);
        }
      });

  var node = svg.selectAll(".node")
    .data(pack(root).leaves())
    .enter().append("g")
      .attr("class", "node")
      .attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; });

	node.append("circle")
		.attr("id", function(d) { return d.id; })
		.attr("r", 1)
		.style("fill","white")
		.transition()
		.duration(1000)
		.delay(function(d,i){ return i * appear_interval })
		.attr("r", function(d) { return d.r; })
		.style("fill", function(d) { return color(d.package); })
		//.on("mouseover", tip.show)
		//.on("mouseout", tip.hide);

  node.append("clipPath")
      .attr("id", function(d) { return "clip-" + d.id; })
    .append("use")
      .attr("xlink:href", function(d) { return "#" + d.id; });

  node.append("text")
      .attr("clip-path", function(d) { return "url(#clip-" + d.id + ")"; })
	  .style("font-size",  function(d) {return Math.min(d.r * 0.3, (2 * d.r - 6) / this.getComputedTextLength() * 2) + "px";})
    .selectAll("tspan")
    .data(function(d) { 
		
		return d.class.split(/(?=[A-Z][^A-Z])/g); 
		
	})
    .enter().append("tspan")
      .attr("x", 0)
      .attr("y", function(d, i, nodes) { return 23 + (i - nodes.length / 2 - 0.5) * 20; })
      .text(function(d) { return d; });

  node.append("title")
      .text(function(d) { return d.id + "\n" + format(d.value); });
});

</script>