D3 Examples - animated

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<!DOCTYPE html>
<meta charset="utf-8">
<style>
​
body {
  font: 10px sans-serif;
}
​
.axis path,
.axis line {
  fill: none;
  stroke: #151516;
  /*shape-rendering: crispEdges;*/
}
​
/*.x.axis path {
  display: none;
}*/
​
.line {
  fill: none;
  /*stroke: steelblue;*/
  stroke-width: 1.5px;
}
​
</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>
​
var margin = {top: 20, right: 80, bottom: 30, left: 50},
    width = 900 - margin.left - margin.right,
    height = 400 - margin.top - margin.bottom;
​
// var parseDate = d3.time.format("%Y%m%d").parse;
​
var x = d3.scale.linear()
    .range([0, width]);
​
var y = d3.scale.linear()
    .range([height, 0]);
​
var color = d3.scale.ordinal()
      .domain(['Redbacks','Pirates','Dragons','SDK'])
      .range(["#c52035", '#000000','#007f00', '#FFA85A']);
​
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.week); })
    .y(function(d) { return y(d.rank); });
​
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("rank.csv", function(error, data) {
  if (error) throw error;
​
  var teams = color.domain().map(function(name) {
    return {
      name: name,
      values: data.map(function(d) {
        return {week: d.week, rank: +d[name]};
      })
    };
  });
​
  x.domain(d3.extent(data, function(d) {return +d.week; }));
​
  y.domain([
    d3.max(teams, function(c) { return d3.max(c.values, function(v) { return v.rank; }); }),
    d3.min(teams, function(c) { return d3.min(c.values, function(v) { return v.rank; }); })
  ]);
  
  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("Rank");
    
  var team = svg.selectAll(".team")
      .data(teams)
      .enter().append("g")
      .attr("class", "team")
     
  team.append("path")
      .attr("class", "line")
      .attr("d", function(d) { return line(d.values); })
      .style("stroke", function(d) { return color(d.name); });
​
  team.append("text")
      .datum(function(d) { return {name: d.name, value: d.values[d.values.length - 1]}; })
      .attr("transform", function(d) { return "translate(" + x(d.value.week) + "," + y(d.value.rank) + ")"; })
      .attr("x", 3)
      .attr("dy", ".35em")
      .text(function(d) { return d.name; });
      
  team.append("image")
      .datum(function(d) { return {name: d.name, value: d.values[d.values.length - 1]}; })
      .attr("transform", function(d) { return "translate(" + x(d.value.week) + "," + y(d.value.rank) + ")"; })
      .attr("x", 3)
      .attr("dy", ".85em")
      .attr("width", "24px")
      .attr("height", "24px")
      .attr("xlink:href", function(d) { return d.name + ".png"; });
​
  /*============================================================================== 
    ANIMATION FROM HERE ON */
      var curtain = svg.append('rect')
    .attr('x', -1 * width)
    .attr('y', -1 * height)
    .attr('height', height)
    .attr('width', width)
    .attr('class', 'curtain')
    .attr('transform', 'rotate(180)')
    .style('fill', '#ffffff')
​
  /* Optionally add a guideline */
  var guideline = svg.append('line')
    .attr('stroke', '#333')
    .attr('stroke-width', 0)
    .attr('class', 'guide')
    .attr('x1', 1)
    .attr('y1', 1)
    .attr('x2', 1)
    .attr('y2', height)
​
  var t = svg.transition()
    .delay(750)
    .duration(6000)
    .ease('linear')
    .each('end', function() {
      d3.select('line.guide')
        .transition()
        .style('opacity', 0)
        .remove()
    });
​
  t.select('rect.curtain')
    .attr('width', 0);
  t.select('line.guide')
    .attr('transform', 'translate(' + width + ', 0)')
​
  d3.select("#show_guideline").on("change", function(e) {
    guideline.attr('stroke-width', this.checked ? 1 : 0);
    curtain.attr("opacity", this.checked ? 0.75 : 1);
  })
});
​
</script>
    