statictics/index.html at master · voxe/statictics · GitHub

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

body {
  font: 10px sans-serif;
}

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

.x.axis path {
  display: none;
}

.line {
  fill: none;
  stroke: steelblue;
  stroke-width: 1.5px;
}

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

var margin = {top: 20, right: 80, bottom: 30, left: 50},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

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

var x = d3.time.scale()
    .range([0, width]);

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

var color = d3.scale.category10();

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

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

var line = d3.svg.line()
    .interpolate("basis")
    .x(function(d) { return x(d.s); })
    .y(function(d) { return y(d.v); });

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.json("data.json", function(error, data) {

  data.forEach(function(d) {
    d.s = parseDate(d.s);
  });
  candidats={};
  data.map(function (d){d3.keys(d.res).map(function(k){
        var point={s:d.s,v:d.res[k]};
        candidats[k]=(candidats[k] && candidats[k].concat([point]))||[point];
  })});

  d3.keys(candidats).forEach(function (c){
    candidats[c]=candidats[c].sort(function(a,b){return a.s-b.s})
  })

  color.domain(d3.keys(candidats));

  x.domain(d3.extent(data, function(d) { return d.s; }));
  y.domain([
    d3.min(data, function(d) { return d3.min(d3.values(d.res))}),
    d3.max(data, function(d) { return d3.max(d3.values(d.res))})
  ]);


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

  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("Nombre de comparaison");

  var city = svg.selectAll(".city")
      .data(d3.keys(candidats))
    .enter().append("g")
      .attr("class", "city");

  city.append("path")
      .attr("class", "line")
      .attr("d", function(d) { return line(candidats[d]); })
      .style("stroke", function(d) { return color(d); });

  city.append("text")
      .datum(function(d) { return {name:d, value: candidats[d][candidats[d].length - 1]}; })
      .attr("transform", function(d) { return "translate(" + x(d.value.s) + "," + y(d.value.v) + ")"; })
      .attr("x", 3)
      .attr("dy", ".35em")
      .text(function(d) { return d.name; });
});

</script>