D3 Examples - Angel amidst Fauna (Tess)

Angel amidst Fauna (Tess)
This visual is one of a set that attempts to contextualize both human characters and nonhuman others within the natural world of Thomas Hardy's 1892 novel Tess of the d'Urbervilles. This cluster visualizes words tagged "fauna" that appear within 120 characters of a word tagged "Angel." Words may be repeated and have been sorted according to their location in the novel. To see context from the novel, click on a word. You can submit feedback or questions and read more about the larger project here.
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<!DOCTYPE html>
<meta charset="utf-8">
<link href='https://fonts.googleapis.com/css?family=Libre+Baskerville:400,700,400italic|Open+Sans:400,600' rel='stylesheet' type='text/css'>
<link href='https://fonts.googleapis.com/css?family=Londrina+Shadow' rel='stylesheet' type='text/css'>
<style>
​
.wrapper {
  display: inline-block;
  position: absolute;
  left: 0;
  width: 100%;
  vertical-align: top; 
  overflow: hidden; 
​
}
​
.node circle {
  fill: #fff;
  stroke: green;
  stroke-width: 1.5px;
}
​
.link {
  fill: none;
  stroke: green;
  stroke-width: 1.5px;
}
​
.keyword {
  font-size: 3vw;
  color: #8e44ad;
}
​
.keyword2 {
  font-size: 3vw;
  color: green;
}
​
.titleBox {
  box-sizing: border-box;
  margin-top: 5%;
  display: inline-block;
  font-size: 5vw;
  position: absolute;
  right: 0;
  width: 37%;
  padding: 10px;
​
}
​
.tooltip {
  font-family: serif;
  font-size: 2vw;
  margin-top: 2vw;
  line-height: 2.7vw;
​
}
​
.cluster {
  left: 0;
  width: 70%;
}
​
@media (max-width: 600px) {
  .cluster {
    position: static;
    width: 100%;
  }
  .titleBox {
    position: static;
    width: 100%;
  }
}
​
</style>
<body>
<script src="https://d3js.org/d3.v3.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<script>
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var diameter = window.outerWidth;
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var tree = d3.layout.tree()
    .size([360, diameter / 2 - 200])
    .separation(function(a, b) { return (a.parent == b.parent ? 1 : 2) / a.depth; });
​
var diagonal = d3.svg.diagonal.radial()
    .projection(function(d) { return [d.y, d.x / 180 * Math.PI]; });
​
d3.select("body").append("div")
  .attr("class", "wrapper")
​
var titleBox = d3.select(".wrapper").append('div', ":first:child")
    .attr('class', 'titleBox')
    .text('Angel amidst Fauna');
​
var svg = d3.select(".wrapper").append("svg")
    .attr("viewBox", "0 0 2000 1500")
    .attr("preserveAspectRatio", "xMinYMin meet")
    .attr('class', "cluster")
    .attr("width", diameter)
  .append("g")
    .attr("transform", "translate(" + diameter / 2 + "," + diameter / 2 + ")")
    .style("float", 'left');
​
d3.json("https://api.myjson.com/bins/1wt7l", function(error, root) { 
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  var nodes = tree.nodes(root),
      links = tree.links(nodes);
​
  var link = svg.selectAll(".link")
      .data(links)
    .enter().append("path")
      .attr("class", "link")
      .attr("d", diagonal);
​
  var tooltip = d3.select(".titleBox").append("div")
    .attr('class', 'tooltip')
​
  var node = svg.selectAll(".node")
      .data(nodes)
    .enter().append("g")
      .attr("class", "node")
      .attr("transform", function(d) { return "rotate(" + (d.x - 90) + ")translate(" + d.y + ")"; })
      .on("mouseover", mouseover) 
      .on('mouseout', mouseout)
​
      .on("click", function(d) {
          tooltip.transition()
            .ease('linear')
            .duration(1000)
            .styleTween("opacity", function() { return d3.interpolate(0, 1); });
           
​
          var word = d.word1;
          var space = " ";
          var tag2 = d.word2;
          
          var str = d.endContext
          
        
          var beg = d.beginContext
​
          
          if(beg.search(tag2)) {
               var beg = beg.replace(tag2, "<span class='keyword2'>" + tag2 + "</span>");}
            else {var beg = beg;
          };
​
          if(str.search(tag2)) {
               var str = str.replace(tag2, "<span class='keyword2'>" + tag2 + "</span>");}
            else {var str = str;
          };
​
          if(!!str.match(/^[.,:;!?-]/)) {
               var str = str;
          } else {var str = (space.concat(str));};
​
​
          tooltip.html(beg + " " + "<span class='keyword'>" + word + "</span>" + str);
​
      
​
          // if(d.beginContext.search(tag2)) {
          //   tooltip.html(beginContext + "<span class='keyword'>" + tag2 + "</span>" + str);
          // };
      
​
      });
    
  node.append("circle")
      .attr("r", 4.5);
​
  node.append("text")
      .attr("dy", ".31em")
      .attr("text-anchor", function(d) { return d.x < 180 ? "start" : "end"; })
      .attr("transform", function(d) { return d.x < 180 ? "translate(8)" : "rotate(180)translate(-8)"; })
      .text(function(d) { return d.word1; })
      .style("font-size", 32 + "px")
      .style("text-transform", "lowercase");
​
//The chunk of code below can be used if/when I decide to work with invoked beings in the novel
      // .style('font-family', function(d) { 
      //   if (d.type == "invoked") {return "Londrina Shadow"}
      //     else  {return "sans-serif"};
      // });
​
});
​
​
var chart = $(".cluster"),
    aspect = chart.width() / chart.height(),
    container = chart.parent();
$(window).on("resize", function() {
    var targetWidth = container.width();
    chart.attr("width", targetWidth);
    chart.attr("height", Math.round(targetWidth / aspect));
}).trigger("resize");
​
function mouseover() { //makes the text size increase on mouseover
  d3.select(this).select("text").transition()
    .duration(750)
    .style("font-size", "80px");
​
 }
​
function mouseout() { //returns text to original size
 d3.select(this).select("text").transition()
    .duration(750)
    .style("font-size", "32px");
   
 }
​
</script>
</body>
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