ConTracker/histogram.html at master · violetteavi/ConTracker · GitHub

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

body {
  font: 10px sans-serif;
}

.bar rect {
  shape-rendering: crispEdges;
}

.bar text {
  fill: #999999;
}

.axis path, .axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}

</style>
<body>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script>
(function() {
var color = "steelblue";
var randomData = [19, 21, 11, 32, 15, 13, 20, 20, 19, 19, 22, 200, 2000, 200000, 352, 4000, 561]
var values = randomData;

// A formatter for counts.
var formatCount = d3.format(",.0f");

var margin = {top: 20, right: 30, bottom: 30, left: 30},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var max = d3.max(values);
var min = d3.min(values);
var x = d3.scale.log()
      .domain([min, max])
      .range([0, width]);

// Generate a histogram using twenty uniformly-spaced bins.
var data = d3.layout.histogram()
    .bins(x.ticks(20))
    (values);
var yMax = d3.max(data, function(d){return d.length});
var yMin = d3.min(data, function(d){return d.length});
var colorScale = d3.scale.linear()
            .domain([yMin, yMax])
            .range([d3.rgb(color).brighter(), d3.rgb(color).darker()]);

var y = d3.scale.linear()
    .domain([0, yMax])
    .range([height, 0]);

var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom");

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 + ")");

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

bar.append("rect")
    .attr("x", 1)
    .attr("width", width/23.5 - 1)
    .attr("height", function(d) { return height - y(d.y); })
    .attr("fill", function(d) { return colorScale(d.y) });

bar.append("text")
    .attr("dy", ".75em")
    .attr("y", -12)
    .attr("x", (width/23.5 -1) / 2)
    .attr("text-anchor", "middle")
    .text(function(d) { return formatCount(d.y); });

svg.append("g")
    .attr("class", "x axis")
    .attr("transform", "translate(0," + height + ")")
    .call(xAxis);
})();

</script>