D3 Examples - Analyzing Spanning Trees

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<!DOCTYPE html>
<meta charset="utf-8">
<style>
​
body {
  font: 10px sans-serif;
}
​
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}
​
.axis path {
  display: none;
}
​
.axis--y-inside line {
  stroke: #fff;
  stroke-opacity: 1;
}
​
.axis--y-inside .tick:first-of-type line {
  stroke: #000;
}
​
.axis--y-inside text {
  display: none;
}
​
.axis--x path {
  display: none;
}
​
.title {
  font-weight: bold;
}
​
rect {
  fill: steelblue;
}
​
</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>
​
var margin = {top: 20, right: 20, bottom: 30, left: 40},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;
​
var x = d3.scale.ordinal()
    .domain(d3.range(9))
    .rangeRoundBands([0, width], .1);
​
var y0 = d3.scale.ordinal()
    .domain(["randomized-depth-first-traversal", "random-traversal", "prims-algorithm", "wilsons-algorithm"])
    .rangeRoundBands([0, height], .15, 0);
​
var y1 = d3.scale.linear()
    .domain([0, .65])
    .range([y0.rangeBand(), 0]);
​
var color = d3.scale.category10();
​
var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom");
​
var yAxis = d3.svg.axis()
    .scale(y1)
    .orient("left")
    .ticks(4, "%");
​
var svg = d3.select("body").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");
​
svg.append("g")
    .attr("class", "axis axis--x")
    .attr("transform", "translate(0," + height + ")")
    .call(xAxis);
​
var multiple = svg.selectAll(".multiple")
    .data(y0.domain().map(function(d) { return {name: d}; }))
  .enter().append("g")
    .attr("class", "multiple")
    .attr("transform", function(d) { return "translate(0," + y0(d.name) + ")"; });
​
multiple.append("g")
    .attr("class", "axis axis--y axis--y-inside")
    .call(yAxis.tickSize(-width));
​
multiple.append("g")
    .attr("class", "axis axis--y axis--y-outside")
    .call(yAxis.tickSize(6));
​
multiple.append("text")
    .attr("class", "title")
    .attr("transform", "translate(" + (width - 6) + "," + (y0.rangeBand() - 6) + ")")
    .style("text-anchor", "end")
    .text(function(d) { return d.name.replace(/-/g, " "); });
​
svg.select(".axis--y-outside").append("text")
    .attr("x", 3)
    .attr("y", y1(y1.ticks(4).pop()))
    .attr("dy", ".35em")
    .attr("class", "title")
    .text("Probability");
​
d3.tsv("histogram.tsv", function(error, data) {
  if (error) throw error;
​
  multiple
      .data(data, function(d) { return d.name; })
    .selectAll("rect")
      .data(function(d) { return x.domain().map(function(i) { return {key: i, value: +d[i]}; }); })
    .enter().insert("rect", "*")
      .attr("width", x.rangeBand())
      .attr("x", function(d) { return x(d.key); })
      .attr("y", function(d) { return y1(d.value); })
      .attr("height", function(d) { return y0.rangeBand() - y1(d.value); });
});
​
</script>
​
    