D3 Examples - GVC Final Apparel Trade by World Region

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<!DOCTYPE html>
<meta charset="utf-8">
<style>
​
body {
  font: 10px sans-serif;
}
​
.chart { 
  background: #fff;
}
​
p {
  font: 12px helvetica;
}
​
​
.axis path, .axis line {
  fill: none;
  stroke: #000;
  stroke-width: 2px;
  shape-rendering: crispEdges;
}
​
button {
  position: absolute;
  right: 50px;
  top: 10px;
}
​
</style>
<body>
<script src="https://d3js.org/d3.v2.js"></script>
​
<div id="flow-controls">
  <input name="mode" type="radio" value="Exports" id="flow-exports" checked><label for="flow-exports"> Exports</label>
  <input name="mode" type="radio" value="Imports" id="flow-imports"><label for="flow-imports"> Imports</label>
</div>
<div class="chart">
</div>
​
<script>
​
var datearray = [];
var colorrange = [];
​
var data1 = "ExportsApparelFinal.csv";
var data2 = "ImportsApparelFinal.csv";
​
var margin = {top: 20, right: 40, bottom: 30, left: 30};
var width = document.body.clientWidth - margin.left - margin.right;
var height = 400 - margin.top - margin.bottom;
​
var x = d3.time.scale()
    .range([0, width]);
​
var y = d3.scale.linear()
    .range([height-10, 0]);
​
var format = d3.time.format("%Y");
​
var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom")
    .ticks(d3.time.years);
​
var yAxis = d3.svg.axis()
    .scale(y);
​
var yAxisr = d3.svg.axis()
    .scale(y);
​
var svg = d3.select(".chart").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 tooltip = d3.select("body")
    .append("div")
    .attr("class", "remove")
    .style("position", "absolute")
    .style("z-index", "20")
    .style("visibility", "hidden")
    .style("top", "30px")
    .style("left", "85px");
​
var vertical = d3.select(".chart")
      .append("div")
      .attr("class", "remove")
      .style("position", "absolute")
      .style("z-index", "19")
      .style("width", "1px")
      .style("height", "380px")
      .style("top", "10px")
      .style("bottom", "30px")
      .style("left", "0px")
      .style("background", "#fff");
​
svg.append("text")
    .attr("class", "y label")
    .attr("text-anchor", "end")
    .attr("y", 4)
    .attr("dy", ".75em")
    .attr("transform", "rotate(-90)")
    .text("Bil.$");
​
svg.append("text")
    .attr("x", (width / 2))             
    .attr("y", 0 - (margin.top/5))
    .attr("text-anchor", "middle")  
    .style("font-size", "16px") 
    .text("Final Apparel");
​
d3.select("#flow-exports")
    .on("click", function(d,i) {
        console.log(data1);
        chart(data1, "blue")
    })
d3.select("#flow-imports")
    .on("click", function(d,i) {
        console.log(data2);
        chart(data2, "orange")
    })  
​
initchart(data1,"blue");
function initchart(csvpath, color) {
​
    if (color == "blue") {
      colorrange = ["#034E7B", "#0570B0", "#3690C0", "#74A9CF",  "#A6BDDB", "#D0D1E6",  "#F1EEF6"];
    }
    else if (color == "pink") {
      colorrange = ["#980043", "#DD1C77", "#DF65B0", "#C994C7", "#D4B9DA", "#F1EEF6"];
    }
    else if (color == "orange") {
      colorrange = ["#990000", "#D7301F", "#EF6548", "#FC8D59", "#FDBB84", "#FDD49E", "#FEF0D9"];
    }
    strokecolor = colorrange[0];
​
    var z = d3.scale.ordinal()
        .range(colorrange);
​
    var stack = d3.layout.stack()
        .offset("zero")
        .values(function(d) { return d.values; })
        .x(function(d) { return d.year; })
        .y(function(d) { return d.tradevalue; });
​
    var nest = d3.nest()
        .key(function(d) { return d.region; });
​
    var area = d3.svg.area()
        .interpolate("cardinal")
        .x(function(d) { return x(d.year); })
        .y0(function(d) { return y(d.y0); })
        .y1(function(d) { return y(d.y0 + d.y); });
​
    d3.csv(csvpath, function(data) {
      data.forEach(function(d) {
        d.year = format.parse(d.year.toString());
        d.tradevalue = +d.tradevalue;
      });
​
      var layers = stack(nest.entries(data));
​
      x.domain(d3.extent(data, function(d) { return d.year; }));
      y.domain([0, d3.max(data, function(d) { return d.y0 + d.y; })]);
​
      svg.selectAll(".layer")
          .data(layers)
          .enter().append("path")
          .attr("class", "layer")
          .attr("d", function(d) { return area(d.values); })
          .style("fill", function(d, i) { return z(i); });
​
      svg.append("g")
        .attr("class", "x axis")
        .attr("transform", "translate(0," + height + ")")
        .call(xAxis);
​
      svg.append("g")
        .attr("class", "y axis")
        .attr("transform", "translate(" + width + ", 0)")
        .call(yAxisr.orient("right"));
​
      svg.append("g")
          .attr("class", "axis")
          .call(yAxis.orient("left"));
​
      svg.selectAll(".layer")
        .attr("opacity", 1)
        .on("mouseover", function(d, i) {
          svg.selectAll(".layer").transition()
          .duration(250)
          .attr("opacity", function(d, j) {
            return j != i ? 0.6 : 1;
        })})
​
        .on("mousemove", function(d, i) {
          mousex = d3.mouse(this);
          mousex = mousex[0];
          var invertedx = x.invert(mousex);
          invertedx = invertedx.getFullYear();
          var selected = (d.values);
          for (var k = 0; k < selected.length; k++) {
            datearray[k] = selected[k].year
            datearray[k] = datearray[k].getFullYear();
          }
​
          mousedate = datearray.indexOf(invertedx);
          pro = d.values[mousedate].tradevalue;
​
          d3.select(this)
          .classed("hover", true)
          .attr("stroke", strokecolor)
          .attr("stroke-width", "0.5px"), 
          tooltip.html( "<p>" + d.key + "<br>" + "Bil.$" + pro + "</p>" ).style("visibility", "visible");
          
        })
        .on("mouseout", function(d, i) {
         svg.selectAll(".layer")
          .transition()
          .duration(250)
          .attr("opacity", "1");
          d3.select(this)
          .classed("hover", false)
          .attr("stroke-width", "0px"), tooltip.html( "<p>" + d.key + "<br>" + "Bil.$" + pro + "</p>" ).style("visibility", "hidden");
      })
​
      d3.select(".chart")
          .on("mousemove", function(){  
             mousex = d3.mouse(this);
             mousex = mousex[0] + 5;
             vertical.style("left", mousex + "px" )})
          .on("mouseover", function(){  
             mousex = d3.mouse(this);
             mousex = mousex[0] + 5;
             vertical.style("left", mousex + "px")});
​
    });
}
​
function chart(csvpath, color) {
​
    if (color == "blue") {
      colorrange = ["#034E7B", "#0570B0", "#3690C0", "#74A9CF",  "#A6BDDB", "#D0D1E6",  "#F1EEF6"];
    }
    else if (color == "pink") {
      colorrange = ["#980043", "#DD1C77", "#DF65B0", "#C994C7", "#D4B9DA", "#F1EEF6"];
    }
    else if (color == "orange") {
      colorrange = ["#990000", "#D7301F", "#EF6548", "#FC8D59", "#FDBB84", "#FDD49E", "#FEF0D9"];
    }
    strokecolor = colorrange[0];
​
    var z = d3.scale.ordinal()
        .range(colorrange);
​
    var stack = d3.layout.stack()
        .offset("zero")
        .values(function(d) { return d.values; })
        .x(function(d) { return d.year; })
        .y(function(d) { return d.tradevalue; });
​
    var nest = d3.nest()
        .key(function(d) { return d.region; });
​
    var area = d3.svg.area()
        .interpolate("cardinal")
        .x(function(d) { return x(d.year); })
        .y0(function(d) { return y(d.y0); })
        .y1(function(d) { return y(d.y0 + d.y); });
​
    d3.csv(csvpath, function(data) {
      data.forEach(function(d) {
        d.year = format.parse(d.year.toString());
        d.tradevalue = +d.tradevalue;
      });
​
      var layers = stack(nest.entries(data));
​
      d3.selectAll("path")
          .data(layers)
          .transition()
          .duration(2500)
          .attr("d", function(d) { return area(d.values); })
          .style("fill", function(d, i) { return z(i); });
​
      svg.selectAll(".layer")
        .attr("opacity", 1)
        .on("mouseover", function(d, i) {
          svg.selectAll(".layer").transition()
          .duration(250)
          .attr("opacity", function(d, j) {
            return j != i ? 0.6 : 1;
        })})
​
        .on("mousemove", function(d, i) {
          mousex = d3.mouse(this);
          mousex = mousex[0];
          var invertedx = x.invert(mousex);
          invertedx = invertedx.getFullYear();
          var selected = (d.values);
          for (var k = 0; k < selected.length; k++) {
            datearray[k] = selected[k].year
            datearray[k] = datearray[k].getFullYear();
          }
​
          mousedate = datearray.indexOf(invertedx);
          pro = d.values[mousedate].tradevalue;
​
          d3.select(this)
          .classed("hover", true)
          .attr("stroke", strokecolor)
          .attr("stroke-width", "0.5px"), 
          tooltip.html( "<p>" + d.key + "<br>" + "Bil.$" + pro + "</p>" ).style("visibility", "visible");
          
        })
        .on("mouseout", function(d, i) {
         svg.selectAll(".layer")
          .transition()
          .duration(250)
          .attr("opacity", "1");
          d3.select(this)
          .classed("hover", false)
          .attr("stroke-width", "0px"), tooltip.html( "<p>" + d.key + "<br>" + "Bil.$" + pro + "</p>" ).style("visibility", "hidden");
      })
​
      d3.select(".chart")
          .on("mousemove", function(){  
             mousex = d3.mouse(this);
             mousex = mousex[0] + 5;
             vertical.style("left", mousex + "px" )})
          .on("mouseover", function(){  
             mousex = d3.mouse(this);
             mousex = mousex[0] + 5;
             vertical.style("left", mousex + "px")});
​
    });
}
</script>
    