D3 Examples - Animated movie legs

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<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <link href='https://fonts.googleapis.com/css?family=Cabin:300,400' rel='stylesheet' type='text/css'>
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
​
.line {
  fill: none;
  stroke: Orange;
  stroke-width: 2.5px;
}
    .axis {
      font-family: Cabin;
      font-size: 12px;
    }
 text.shadow {
    stroke: white;
    stroke-width: 4px;
    opacity: 0.9
  }
  .grid line {
    stroke: lightgrey;
    stroke-opacity: 0.6;
    shape-rendering: crispEdges
  }
  .grid path {
    stroke-width: 0;
  }
​
  </style>
</head>
​
<body>
  <script>
  var margin = {top: 30, right: 50, bottom: 340, left: 70},
    width = 960 - margin.left - margin.right,
    height = 750 - margin.top - margin.bottom;
​
// set the ranges
var x = d3.scalePoint().domain(["Week 1","Week 2","Week 3","Week 4","Week 5","Week 6","Week 7","Week 8","Week 9","Week 10","Week 11","Week 12","Week 13","Week 14","Week 15","Week 16","Week 17","Week 18","Week 19","Week 20","Week 21","Week 22","Week 23"]).range([0, width]);
var y = d3.scaleLinear().range([height, 0]);
​
// define the line
var valueline = d3.line()
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.titanic); });
    
var valueline2 = d3.line()
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.frozen); });
    
var valueline3 = d3.line()
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.avatar); });
    
var valueline4 = d3.line()
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.forceawakens); });
​
​
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 + ")");
  function make_x_gridlines() {
    return d3.axisBottom(x)
        .ticks(10)
  }
  function make_y_gridlines() {
    return d3.axisLeft(y)
        .ticks(5)
  }
// Get the data
d3.tsv("movielegs.tsv", function(error, data) {
  if (error) throw error;
​
  // format the data
  data.forEach(function(d) {
      d.date = d.date;
      d.titanic = +d.titanic;
        d.frozen = +d.frozen;
        d.avatar = +d.avatar;
        d.forceawakens = +d.forceawakens;
  });
​
  // Scale the range of the data
  y.domain([0, d3.max(data, function(d) { return Math.max(d.titanic, d.frozen, d.avatar, d.forceawakens); })]);
​
 /* svg.append("clipPath")
        .attr("id","chart-area")
        .append("rect")
        .attr("width",width)
        .attr("height", height) */
 
 
 
  // Add the valueline path.
  svg.append("path")
      .data([data])
      .attr("class", "line")
      .attr("d", valueline);
        
  svg.append("path")
      .data([data])
      .attr("class", "line")
        .style("stroke","SteelBlue")
      .attr("d", valueline2);
  
    svg.append("path")
      .data([data])
      .attr("class", "line")
        .style("stroke","IndianRed")
      .attr("d", valueline3);
  
    svg.append("path")
      .data([data])
      .attr("class", "line")
        .style("stroke","LimeGreen")
      .attr("d", valueline4);
​
  // Add the X Axis
  svg.append("g")
        .attr("class","axis")
      .attr("transform", "translate(0," + height + ")")
      .call(d3.axisBottom(x).ticks(12))
        .selectAll("text")
            .style("text-anchor","end")
            .attr("dx","-.8em")
            .attr("dy",".15em")
            .attr("transform","rotate(-45)");
  
 svg.append("text")             
      .attr("transform","translate(" + (width/2) + "," + (height + margin.top + 40) + ")")
      .style("text-anchor", "middle")
            .style("font","14px Cabin")
            .style("font-weight","bolder")
      .text("Week of Theatrical Release");
    
  // Add the Y Axis
  svg.append("g")
        .attr("class","axis")
      .call(d3.axisLeft(y)
           );
  
  svg.append("text")
        .attr("transform","rotate(-90)")
        .attr("y",0-margin.left)
        .attr("x",0-height/2)
        .attr("dy","2em")
        .attr("text-anchor","middle")
        .style("font","14px Cabin")
      .text("Weekly percent of total domestic gross (%)");
​
 
var curtain = svg.append('rect')
    .attr('x', 1)
.attr('height', height)
    .attr('width', width)
    .attr('class', 'curtain')
    .style('fill', '#ffffff')
​
​
  /* Create a shared transition for anything we're animating */
  /* var t = d3.transition()
    .duration(6000)
    .ease(d3.easeLinear)
    .each('end', function() {
      d3.select('line.guide')
        .transition()
        .style('opacity', 0)
        .remove()
    }); */
​
​
d3.selectAll(".curtain")
    .transition()
 .delay(800)
  .duration(8000)
    .ease(d3.easeCubic)
        .attr('width', 0)
  .attr('transform', 'translate(' + width + ', 0)')
        .remove()
  
  svg.append("g")
        .attr("class","grid")
        .attr("transform","translate(0," + height + ")")
        .style("stroke-dasharray",("3,3"))
        .call(make_x_gridlines()
            .tickSize(-height)
            .tickFormat("")
            )
​
  svg.append("g")
        .attr("class","grid")
        .style("stroke-dasharray",("3,3"))
        .call(make_y_gridlines()
            .tickSize(-width)
  .tickFormat("")
            )
​
 
  
  svg.append("text")
    .attr("transform", "translate(" + (10) + "," + (y(data[0].avatar)-23) + ")")
    .attr("dy",".35em")
    .attr('text-anchor',"start")
    .attr("fill","IndianRed")
    .style("font-family","Cabin")
    .text("Avatar");
  
  svg.append("text")
    .attr("transform", "translate(" + (10) + "," + y(data[0].frozen) + ")")
    .attr("dy",".25em")
    .attr('text-anchor',"start")
    .attr("fill","SteelBlue")
    .style("font-family","Cabin")
    .text("Frozen");
  
​
  svg.append("text")
    .attr("transform", "translate(" + (10) + "," + (y(data[0].forceawakens)+10) + ")")
    .attr("dy",".25em")
    .attr('text-anchor',"start")
    .attr("fill","LimeGreen")
    .style("font-family","Cabin")
    .text("The Force Awakens");
    svg.append("text")
    .attr("transform", "translate(" + (10) + "," + (y(data[0].titanic)-5) + ")")
    .attr("dy",".35em")
    .attr('text-anchor',"start")
    .attr("fill","Orange")
    .style("font-family","Cabin")
    .attr("class","shadow")
    .text("Titanic");
  svg.append("text")
    .attr("transform", "translate(" + (10) + "," + (y(data[0].titanic)-5) + ")")
    .attr("dy",".35em")
    .attr('text-anchor',"start")
    .attr("fill","Orange")
    .style("font-family","Cabin")
    .text("Titanic");
});
  </script>
</body>
​
    