Stacked Bar Chart

A recreation of a Protovis example in D3 using the stack layout.

forked from mbostock's block: Stacked Bar Chart

forked from sivartravis's block: Stacked Bar Chart

forked from Nikhilkuyya's block: Stacked Bar Chart

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

.axis text {
  font: 10px sans-serif;
}

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

.axis--x path {
  display: none;
}

</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>

var causes = ["wounds", "other", "disease"];

var parseDate = d3.time.format("%m/%Y").parse;

var margin = {top: 20, right: 50, bottom: 30, left: 20},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var x = d3.scale.ordinal()
    .rangeRoundBands([0, width]);

var y = d3.scale.linear()
    .rangeRound([height, 0]);

var z = d3.scale.category10();

var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom")
    .tickFormat(d3.time.format("%b"));

var yAxis = d3.svg.axis()
    .scale(y)
    .orient("right");

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 + ")");

d3.tsv("crimea.tsv", type, function(error, crimea) {
  if (error) throw error;

var layers = d3.layout.stack()(causes.map(function(c) {
    return crimea.map(function(d) {
      return {x: d.date, y: d[c]};
    });
  }));

x.domain(layers[0].map(function(d) { return d.x; }));
  y.domain([0, d3.max(layers[layers.length - 1], function(d) { return d.y0 + d.y; })]).nice();

var layer = svg.selectAll(".layer")
      .data(layers)
    .enter().append("g")
      .attr("class", "layer")
      .style("fill", function(d, i) { return z(i); });

layer.selectAll("rect")
      .data(function(d) { return d; })
    .enter().append("rect")
      .attr("x", function(d) { return x(d.x); })
      .attr("y", function(d) { return y(d.y + d.y0); })
      .attr("height", function(d) { return y(d.y0) - y(d.y + d.y0); })
      .attr("width", x.rangeBand() - 1);

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

svg.append("g")
      .attr("class", "axis axis--y")
      .attr("transform", "translate(" + width + ",0)")
      .call(yAxis);
});

function type(d) {
  d.date = parseDate(d.date);
  causes.forEach(function(c) { d[c] = +d[c]; });
  return d;
}

</script>

https://d3js.org/d3.v3.min.js