Week 9: "Grouped Bars."

<!DOCTYPE html>

<html>
<style>
body {
  font: 12px sans-serif;
  padding: 50px;
}
.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}
.bar {
  fill: steelblue;
}
.x.axis path {
  display: none;
}
</style>

<body>
  <h2>Deaths from Illnesses in 2013 in Latin America and Caribbean countries</h2>
    <p><a href="https://apps.who.int/gho/data/node.main.ghe100-by-cause?lang=en">WHO data</a>, deaths of children 0-4 years old in Latin America and Caribbean countries.</p>

var x0 = d3.scale.ordinal()
    .rangeRoundBands([0, width], .1);

var x1 = d3.scale.ordinal();

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

var color = d3.scale.ordinal()
    .range(["#8C703A", "#ABACDB", "#B574B5", "#DBABC4", "#DBBFAB", "#ACD7E3", "#E6E687", "#FA9D91", "#D6C789", "#72A886", "#8A5F76", "#92A147", "#E3E2AF", "#A5BBD1"]);

var xAxis = d3.svg.axis()
    .scale(x0)
    .orient("bottom");

var yAxis = d3.svg.axis()
    .scale(y)
    .orient("left")
    .tickFormat(d3.format(".2s"));

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("diarrhoeal.csv", function(error, data) {
    if (error) {
      console.log(error);
    }

data2013 = [];

data.forEach(function (d) {
      if(d.year === "2013" && d.region === "South Asia") {
        data2013.push(d);
      }
    });

console.log(data2013);

var illnessNames = d3.keys(data2013[0]).filter(function(key) {
      return key !== "country" && key !== "region" && key !== "year";
    });

console.log(illnessNames);

/*data2013.sort(function(a, b) {
      return a.country - b.country;
    });*/

data2013.forEach(function(d) {
      d.illnesses = illnessNames.map(function(name) {
        return {
          name: name, value: +d[name]
        };
      });
    });

x0.domain(data2013.map(function(d) {
      return d.country;
    }));

x1.domain(illnessNames).rangeRoundBands([0, x0.rangeBand()]);
    y.domain([0, d3.max(data2013, function(d) {
      return d3.max(d.illnesses, function(d) {
        return d.value;
      });
    })]);

svg.append("g")
        .attr("class", "x axis")
        .attr("transform", "translate(0," + height + ")")
        .call(xAxis)
        .selectAll("text")
            .attr("dy", ".5em")
            .attr("transform", "rotate(-30)")
            .style("text-anchor", "end");
    svg.append("g")
        .attr("class", "y axis")
        .call(yAxis)
      .append("text")
        .attr("transform", "rotate(-90)")
        .attr("y", 6)
        .attr("dy", ".71em")
        .style("text-anchor", "end")
        .text("Deaths");

drawLegend();

function drawLegend() {
    var legend = svg.selectAll(".legend")
        .data(color.domain().slice().reverse())
        .enter().append("g")
        .attr("class", "legend")
        .attr("transform", function(d,i){
          return "translate(0," + i * 20 + ")";
        });

legend.append("rect")
        .attr("x", width + 15)
        .attr("width", 15)
        .attr("height", 15)
        .style("fill", color);

legend.append("text")
         .attr("x", width + 44)
         .attr("y", 6)
         .attr("dy", ".5em")
         .style("text-anchor", "start")
         .text(function(d, i) {
           return d;
         });
  }

/*var legend = svg.selectAll(".legend")
        .data(illnessNames.slice().reverse())
      .enter().append("g")
        .attr("class", "legend")
        .attr("transform", function(d, i) {
          return "translate(0," + i * 30 + ")";
      });

legend.append("rect")
        .attr("x", width - 18)
        .attr("width", 15)
        .attr("height", 15)
        .style("fill", color);
   legend.append("text")
        .attr("x", width - 24)
        .attr("y", 9)
        .attr("dy", ".35em")
        .style("text-anchor", "end")
        .text(function(d) {
          return d;
        });*/

});

</script>

</body>
</html>

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