D3 Examples - etape4

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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 class="chart">
</div>
​
<script>
​
chart();
​
var datearray = [];
var colorrange = [];
​
​
function chart() {
​
​
  colorrange = ["#045A8D", "#2B8CBE", "#74A9CF", "#A6BDDB", "#D0D1E6", "#F1EEF6"];
​
strokecolor = colorrange[0];
​
var format = d3.time.format("%b %Y");
​
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 tooltip = d3.select("body")
    .append("div")
    .attr("class", "remove")
    .style("position", "absolute")
    .style("z-index", "20")
    .style("visibility", "hidden")
    .style("top", "30px")
    .style("left", "55px");
​
var x = d3.time.scale()
    .range([0, width]);
​
var y = d3.scale.linear()
    .range([height-10, 0]);
​
var z = d3.scale.ordinal()
    .range(colorrange);
​
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 stack = d3.layout.stack()
    .offset("silhouette")
    .values(function(d) { return d.values; })
    .x(function(d) { return d.date; })
    .y(function(d) { return d.price ; });
​
var nest = d3.nest()
    .key(function(d) { return d.key; });
​
var area = d3.svg.area()
    .interpolate("cardinal")
    .x(function(d) { return x(d.date); })
    .y0(function(d) { return y(d.y0); })
    .y1(function(d) { return y(d.y0 + d.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 graph = d3.csv("stocks.csv", function(data) {
  data.forEach(function(d) {
    d.date = format.parse(d.date);
    d.price = +d.price;
  });
​
  var layers = stack(nest.entries(data));
​
  x.domain(d3.extent(data, function(d) { return d.date; }));
  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(yAxis.orient("right"));
​
 
​
​
});
}
</script>
    