D3 Examples - Stacked-to-Multiples

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<!DOCTYPE html>
<meta charset="utf-8">
<style>
​
body {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  margin: auto;
  position: relative;
  width: 960px;
}
​
text {
  font: 10px sans-serif;
}
​
.axis path {
  display: none;
}
​
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}
​
.group-label {
  font-weight: bold;
  text-anchor: end;
}
​
form {
  position: absolute;
  right: 10px;
  top: 10px;
}
​
</style>
<form>
  <label><input type="radio" name="mode" value="multiples" checked> Multiples</label>
  <label><input type="radio" name="mode" value="stacked"> Stacked</label>
</form>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>
​
​
var margin = {top: 10, right: 20, bottom: 20, left: 60},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;
​
var y0 = d3.scale.ordinal()
    .rangeRoundBands([height, 0], .2);
​
var y1 = d3.scale.linear();
​
var x = d3.scale.ordinal()
    .rangeRoundBands([0, width], .1, 0);
​
​
var nest = d3.nest()
    .key(function(d) { return d.group; });
​
var stack = d3.layout.stack()
    .values(function(d) { return d.values; })
    .x(function(d) { return d.date; })
    .y(function(d) { return d.value; })
    .out(function(d, y0) { d.valueOffset = y0; });
​
var color = d3.scale.ordinal()
    .range(["#33BBEE", "#C43123"]);
​
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.csv("dataford32.csv", function(error, data) {
  
//data.forEach(function(d) {
//    var y0 = 0;
//    d.ages = color.domain().map(function(name) { return {name: name, y0: y0, y1: y0 += +d[name]}; });
//    d.total = d.ages[d.ages.length - 1].y1;
//  });
​
//  data.sort(function(a, b) { return b.total + a.total; });
  
  
  data.forEach(function(d) {
    d.date = d.date;
    d.value = +d.value;
  });
//data.sort(function(a, b) { return b.total - a.total; });
  
  var dataByGroup = nest.entries(data);
​
  stack(dataByGroup);
  x.domain(dataByGroup[0].values.map(function(d) { return d.date; }));
//    y.domain([0, d3.max(data, function(d) { return d.total; })]);
  y0.domain(dataByGroup.map(function(d) { return d.key; }));
  y1.domain([0, d3.max(data, function(d) { return d.value; })]).range([y0.rangeBand(), 0]);
  //y1.domain(dataByGroup.map(function(d) { return d.key; }));
​
  var group = svg.selectAll(".group")
      .data(dataByGroup)
    .enter().append("g")
      .attr("class", "group")
      .attr("transform", function(d) { return "translate(0," + y0(d.key) + ")"; });
​
  group.append("text")
      .attr("class", "group-label")
      .attr("x", 10)
      .attr("y", function(d) { return y1(d.values[0].value / 2); })
      .attr("dy", ".35em")
      .text(function(d) { return d.key + " Vocab"; });
​
  group.selectAll("rect")
      .data(function(d) { return d.values; })
    .enter().append("rect")
      .style("fill", function(d) { return color(d.group); })
      .attr("x", function(d) { return x(d.date); })
      .attr("y", function(d) { return y1(d.value); })
      .attr("width", x.rangeBand())
      .attr("height", function(d) { return y0.rangeBand() - y1(d.value); });
​
  group.filter(function(d, i) { return !i; }).append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + y0.rangeBand() + ")")
  ;
​
  d3.selectAll("input").on("change", change);
​
  var timeout = setTimeout(function() {
    d3.select("input[value=\"stacked\"]").property("checked", true).each(change);
  }, 2000);
​
  function change() {
    clearTimeout(timeout);
    if (this.value === "multiples") transitionMultiples();
    else transitionStacked();
  }
​
  function transitionMultiples() {
    var t = svg.transition().duration(750),
        g = t.selectAll(".group").attr("transform", function(d) { return "translate(0," + y0(d.key) + ")"; });
    g.selectAll("rect").attr("y", function(d) { return y1(d.value); });
    g.select(".group-label").attr("y", function(d) { return y1(d.values[0].value / 2); })
  }
​
  function transitionStacked() {
    var t = svg.transition().duration(750),
        g = t.selectAll(".group").attr("transform", "translate(0," + y0(y0.domain()[0]) + ")");
    g.selectAll("rect").attr("y", function(d) { return y1(d.value + d.valueOffset); });
    g.select(".group-label").attr("y", function(d) { return y1(d.values[0].value / 2 + d.values[0].valueOffset); })
  }
// .on("mouseover", function(d) {
//         d3.select(this).classed("node--hover", true);
//          tooltip.html("");
//          //if (d.depth = 0) return;
//          if (d.depth < 2) return;
//          tooltip.append("h3").attr("class", "tooltip_title");
//          tooltip.append("img").attr("class", "tooltip_img");
//          tooltip.append("pre").attr("class", "tooltip_body");
//          tooltip.select(".tooltip_title")
//            .text("Justice " + d.data.name)
//          tooltip.select("img")
//            .attr("src", d.imgUrl);
//          tooltip.select(".tooltip_body")
//            .text(
             
//              "Appointed By: " + d.data.Appointedby + ', '+ d.data.partyname + "\n" + 
//            "Years: " + d.data.Start + " - " +d.data.End +"\n" +
//            "Reason for Termination: " + d.data.Termcompletion + "\n" +
//            "Home State: " + d.data.State + "\n\n" +
//            "Total Words in Sample: " + d.data.Totalwords + "\n" +
//            "Number of Unique Words: " + d.data.Numunique + "\n"
//             );
//          return tooltip.style("visibility", "visible");
//       })
//     .on("mousemove", function(d) {
//        return tooltip.style("top", (d3.event.pageY-52) + "px").style("left", (d3.event.pageX+18) + "px");
//      })
//      .on("mouseout", function(d) {
//        d3.select(this).classed("node--hover", false);
//        return tooltip.style("visibility", "hidden")  
  
});
  
                                   
//      });
</script>
​
    