Quienes votaron y quienes se abstuvieron

.block

license: mit

README.md

forked from dougdowson's block: Reusable Bar Chart

forked from Adlopez2016's block: Reusable Bar Chart

forked from Adlopez2016's block: Quienes votaron y quienes se abstuvieron

Permite presentar en forma ascedente la distribución de las votaciones por el SI, por el NO, los votos no válidos y el abstencionismo por Departamento.

chart.js

d3.svg.barchart = function() {

  var margin = {top: 10, right: 10, bottom: 20, left: 0},
      width = 760,
      height = 350,
      padding = 0.25,
      duration = 250,
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      xValue = function(d){ return d[0]; },
      yValue = function(d){ return d[1]; },
      xDomain,
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      var xScale = d3.scale.ordinal()
          .domain(xDomain ? xDomain.call(this) : data.map(function(d){ return d[0]; }))
          .rangeBands([0, width - margin.left - margin.right], padding);

      var yScale = d3.scale.linear()
          .domain(yDomain ? yDomain.call(this) : [0, d3.max(data, function(d){ return 1.1*(d[1]); })])
          .range([height - margin.top - margin.bottom, 0]);

      var xAxis = d3.svg.axis()
          .scale(xScale)
          .orient("bottom")
          .tickSize(6, 0);

      var yAxis = d3.svg.axis()
          .scale(yScale)
          .orient("left")
          .tickSize(-width - margin.left - margin.right)
          .tickFormat(tickFormat ? tickFormat : null);

      var svg = d3.select(this).selectAll("svg").data([datum]);

      var g = svg.enter().append("svg")
          .attr("width", width)
          .attr("height", height*1.1)
          .style("padding", "3px")
        .append("g")
          .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

      g.append("g").attr("class", "bars");
      g.append("g").attr("class", "x axis");
      g.append("g").attr("class", "y axis");

      g = svg.select("g");

      var bar = g.select(".bars").selectAll(".bar")
          .data(data);

      bar.exit().transition()
          .duration(duration)
          .attr("y", height - margin.top - margin.bottom)
          .attr("height", 0)
          .remove();

      bar.enter().append("rect")
          .attr("class", "bar")
          .attr("x", function(d){ return xScale(d[0]); })
          .attr("y", height - margin.top - margin.bottom)
          .attr("width", xScale.rangeBand())
          .attr("height", 0)
        .transition()
          .delay(duration)
          .duration(duration)
          .attr("y", function(d){ return yScale(d[1]); })
          .attr("height", function(d){ return height - margin.top - margin.bottom - yScale(d[1]); });

      bar.transition()
          .delay(duration)
          .duration(duration)
          .text(function(d){ return d3.round(yScale(d[1]),1); })
          .attr("y", function(d){ return yScale(d[1]); })
          .attr("height", function(d){ return height - margin.top - margin.bottom - yScale(d[1]); });

      g.select(".x.axis")
          .attr("class", "x axis")
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          .selectAll("text")
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          	.attr("dy", "0.1em")
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            });

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          .attr("class", "y axis")
        .transition()
          .delay(duration)
          .call(yAxis);

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          .classed("g-baseline", function(d) { return d == 0 });

    });
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  barchart.x = function(_) {
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  };

  barchart.xDomain = function(_) {
    if (!arguments.length) return xDomain ? xDomain.call(this) : xDomain;
    xDomain = d3.functor(_);
    return barchart;
  };

  barchart.yDomain = function(_) {
    if (!arguments.length) return yDomain ? yDomain.call(this) : yDomain;
    yDomain = d3.functor(_);
    return barchart;
  };

  return barchart;
}

data.csv

index.html

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

<link rel="stylesheet" type="text/css" href="http://fonts.googleapis.com/css?family=Source+Sans+Pro:400italic,600italic,700italic,200,300,400,600,700,900">
<script src="http://d3js.org/d3.v3.min.js"></script>

<style>

body, h1, h2, h3, p {
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select {
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}

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  opacity: 1;
  shape-rendering: crispEdges;
}

.x.axis .tick text, .y.axis .tick text {
  fill: #333;
  font-size: 0.9em;
}

</style>

</head>

<body>
<div id="content">
<h1>Resultados plebiscito 2016</h1>
  <select id="menu">
	<option>Voto SI</option>
	<option>Voto NO</option>
	<option>Se Abstuvo</option>
  <option>No Validos</option>
  </select>

<p id="unit">Porcentaje de votación sobre el total del censo electoral</p>

<div id="chart"></div>
<p>Fuente:Datos publicados por http://lasillavacia.com/hagame-el-cruce/asi-es-el-pais-que-voto-no-58201</p>
</div>

<script src="chart.js"></script>
<script>

var map = d3.map(),
    barchart;

d3.csv("data.csv", function(error, data) {

  data = d3.nest()
      .key(function(d){ return d.variable; })
      .entries(data);

  data.forEach(function(d){
    d.value = +d.value;
    d.values.sort(function(a, b){ return d3.ascending(+a.value, +b.value); });
    map.set(d.key, d.values);
  });

  barchart = d3.svg.barchart()
      .margin({top: 0, right: 10, bottom: 40, left: 40})
      .tickFormat(d3.format(",.0f"))
      .x(function(d){ return d.country; })
      .y(function(d){ return d.value; });

  d3.select("#chart")
      .datum(map.get("Poverty rate"))
      .call(barchart);

});


d3.select("#menu").on("change", function() {

  d3.select("#chart")
      .datum(map.get(this.value))
      .call(barchart);

  var unit;
  var selectedVariable = document.getElementById("menu").value;
  switch (selectedVariable)
    	{
    	case "Voto SI": unit = "En orden ascedente los departamentos que votaron por el SI"; break;
    	case "Voto NO": unit = "En orden ascedente los departamentos que votaron por el NO"; break;
    	case "Se Abstuvo": unit = "En orden ascedente los departamentos que presentaron menor a mayor abstencion"; break;
    	}
  d3.select("#unit")
      .html(unit);

});

d3.select(self.frameElement).style("height", "560px");

  
   
</script>
</body>
</html>