UniversityVisualizationD3/index.html at master · pdglenn/UniversityVisualizationD3 · GitHub

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<!DOCTYPE html>
<meta charset="utf-8">
<link rel="stylesheet" href="http://yui.yahooapis.com/pure/0.5.0/pure-min.css">
<link rel="stylesheet" href="https://rawgit.com/tpreusse/radar-chart-d3/master/src/radar-chart.css">
<link rel="stylesheet" href="http://code.jquery.com/ui/1.9.2/themes/base/jquery-ui.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/chosen/1.4.2/chosen.css">
<style>

body {
  padding: 20px;
}

svg {
  font: 10px sans-serif;
  padding-top: 20px;
}

tooltip {
  font: 12px sans-serif;
  background-color: #D3D3D3;
  color: #001400;
          margin: 10px;
          height: 20px;
          padding-right: 5px;
          padding-left: 5px;
          padding-top: 5px;
    border-radius:10px;
}

#title{
  font: 24pt sans-serif;
  padding: 10px;
}

#author{
  font: 14pt sans-serif;
  padding: 10px;
}

#instructions{
  font: 12pt sans-serif;
  padding: 10px;
}

#note{
  font: 8pt sans-serif;
  padding-left: 10px;
}
#about{
  font: 10pt sans-serif;
  padding:20px;
}
.background path {
  fill: none;
  stroke: #ddd;
  shape-rendering: crispEdges;
}

.foreground path {
  fill: none;
  stroke: #74d576;
  stroke-width:1;
}

.brush .extent {
  fill-opacity: .3;
  stroke: #fff;
  shape-rendering: crispEdges;
}

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

.axis text {
  text-shadow: 0 1px 0 #fff, 1px 0 0 #fff, 0 -1px 0 #fff, -1px 0 0 #fff;
  cursor: move;
}

.radar-chart .area {
  fill-opacity: 0.0;
}
.radar-chart.focus .area {
  fill-opacity: 0.3;
}
.radar-chart.focus .area.focused {
  fill-opacity: 0.9;
}
.area.university1, .university1 .circle {
  fill: #1F77B4;
  stroke: #1F77B4;
}
.area.university2, .university2 .circle {
  fill: #FF7F0E;
  stroke: #FF7F0E;
}

path.hovered{
  stroke: #006400;
  stroke-width: 4;
}

path.university1_line{
  stroke: #1F77B4;
  stroke-width: 3;
  stroke-opacity: .7;
}

path.university1_line.hovered{
  stroke: #1F77B4;
  stroke-width: 4;
  stroke-opacity: 1;
}

path.university2_line{
  stroke: #FF7F0E;
  stroke-width: 3;
  stroke-opacity: .7;
}

path.university2_line.hovered{
  stroke: #FF7F0E;
  stroke-width: 4;
  stroke-opacity: 1;
}

</style>

<body>

<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="radar-chart.js"></script> <!-- https://github.com/alangrafu/radar-chart-d3 -->
<script src="bower_components/jquery/dist/jquery.min.js"></script>
<script src="bower_components/chosen/chosen.jquery.js"></script>

<!-- Setting up page layout -->
  <title>2011 World University Rankings</title>
  <div id="title"> 2011 World University Rankings </div>
  <div id="author">by Shir Nehama and Paul Glenn</div>
  <div id="instructions">This visualization displays data from the Times Higher Education 2011 World University Rankings. The data is provided by <a href="https://www.kaggle.com/mylesoneill/world-university-rankings">Kaggle</a>. Explore the universities in the parallel coordinates chart on the left, and select two universities for comparison in the radar chart with the drop downs on the right.</div>
  <div id="note">Note: Null values for Income, Staff to Student Ratio, and International Score in the data were given the average value of that dimension.</div>


  <div id="container" style="width: 1300px; height: 700px;">
    <div id="parallel" style="width: 700px; height: 500px; float: left;"></div>
    <div id="radar" style="width: 600px; height: 500px; float: left;">
      <div id="chart" style="width: 600px; height: 600px;"></span>
    </div>
  </div>
  <div id="info" style="width: 1300px; height: 700px;">
    <div id="about" style="float:left;">
      University Total Score - total score for university, used to determine rank. <p></p>
      Teaching Score- university score for teaching (the learning environment).<p></p>
      Research Score- university score for research (volume, income and reputation).<p></p>
      Citation Score - university score for citations (research influence).<p></p>
      International - university score international outlook (staff, students, research).<p></p>
      Income Score - university score for industry income (knowledge transfer).<p></p>
      Staff to Student Ratio- Number of students divided by number of staff.<p></p>
   </div>
   <div id="legend" style="float:right; padding-right: 100px;"></div>

<script>

//Code Contributions
//Parallel Coordinates: http://bl.ocks.org/jasondavies/1341281
//Hover features: http://people.ischool.berkeley.edu/~japple/jeopardy/

//Shir's Code
var tooltip = d3.select("body")
    .append("tooltip")
    .style("position", "absolute")
    .style("z-index", "10")
    .style("visibility", "hidden")
    .attr("class","sc_tooltip");
//

var margin = {top: 30, right: 10, bottom: 60, left: 10},
    width = 700 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var x = d3.scale.ordinal().rangePoints([0, width], 1),
    y = {},
    dragging = {};

var line = d3.svg.line(),
    axis = d3.svg.axis().orient("left"),
    background,
    foreground;

// var comment = d3.select("#parallel").append("comment")
//   .attr("height",50)
//   .attr("width", width + margin.left + margin.right)
//   .append("text")
//       .style("text-anchor", "middle")
//       .attr("y", -9)
//       .text("Note: Null values for Income, Staff to Student Ratio, and International Score in the data were given the average value of that dimension.");

var svg = d3.select("#parallel").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("parallel_name.csv", function(error, data) {

  // Extract the list of dimensions and create a scale for each.

  x.domain(dimensions = d3.keys(data[0]).filter(function(d) {
    return d != "Name" && d != "key" && d != "rank" && (y[d] = d3.scale.linear()
        .domain(d3.extent(data, function(p) { return +p[d]; }))
        .range([height, 0]));
  }));

  // Add grey background lines for context.
  background = svg.append("g")
      .attr("class", "background")
    .selectAll("path")
      .data(data)
    .enter().append("path")
      .attr("d", path);

  //Shir code for hover feature
  // Add blue foreground lines for focus.

  foreground = svg.append("g")
      .attr("class", "foreground")
    .selectAll("path")
      .data(data)
    .enter().append("path")
      .attr("d", path)
      .attr("id", function(dd){
        return dd.Name.replace(/ /g,"_");
      })
      .on("mouseover",function(n){
        d3.select(this)//.transition().duration(150)
          .classed("hovered", true)
        tooltip.text(n.rank + ". " + n.Name);
          return tooltip.style("visibility","visible");
      })
      .on("mousemove", function(){return tooltip.style("top", (event.pageY-10)+"px").style("left",(event.pageX+10)+"px");})
      .on("mouseout",function(d){
        d3.select(this)//.transition().duration(150)
          .classed("hovered", false);
        return tooltip.style("visibility","hidden");
      });

  // Add a group element for each dimension.

  var g = svg.selectAll(".dimension")
      .data(dimensions)
    .enter().append("g")
      .attr("class", "dimension")
      .attr("transform", function(d) { return "translate(" + x(d) + ")"; })
      .call(d3.behavior.drag()
        .origin(function(d) { return {x: x(d)}; })
        .on("dragstart", function(d) {
          dragging[d] = x(d);
          background.attr("visibility", "hidden");
        })
        .on("drag", function(d) {
          dragging[d] = Math.min(width, Math.max(0, d3.event.x));
          foreground.attr("d", path);
          dimensions.sort(function(a, b) { return position(a) - position(b); });
          x.domain(dimensions);
          g.attr("transform", function(d) { return "translate(" + position(d) + ")"; })
        })
        .on("dragend", function(d) {
          delete dragging[d];
          transition(d3.select(this)).attr("transform", "translate(" + x(d) + ")");
          transition(foreground).attr("d", path);
          background
              .attr("d", path)
            .transition()
              .delay(500)
              .duration(0)
              .attr("visibility", null);
        }));

  // Add an axis and title.
  g.append("g")
      .attr("class", "axis")
      .each(function(d) { d3.select(this).call(axis.scale(y[d])); })
    .append("text")
      .style("text-anchor", "middle")
      .attr("y", -9)
      .text(function(d) { return d; });

  // Add and store a brush for each axis.
  g.append("g")
      .attr("class", "brush")
      .each(function(d) {
        d3.select(this).call(y[d].brush = d3.svg.brush().y(y[d]).on("brushstart", brushstart).on("brush", brush));
      })
    .selectAll("rect")
      .attr("x", -8)
      .attr("width", 16);
});

function position(d) {
  var v = dragging[d];
  return v == null ? x(d) : v;
}

function transition(g) {
  return g.transition().duration(500);
}

// Returns the path for a given data point.
function path(d) {
  return line(dimensions.map(function(p) { return [position(p), y[p](d[p])]; }));
}

function brushstart() {
  d3.event.sourceEvent.stopPropagation();
}

// Handles a brush event, toggling the display of foreground lines.
function brush() {
  var actives = dimensions.filter(function(p) { return !y[p].brush.empty(); }),
      extents = actives.map(function(p) { return y[p].brush.extent(); });
  foreground.style("display", function(d) {
    return actives.every(function(p, i) {
      return extents[i][0] <= d[p] && d[p] <= extents[i][1];
    }) ? null : "none";
  });
}

</script>

<!-- Radar Chart and Dropdown Dispatch -->

<script>
// Radar chart configuration
RadarChart.defaultConfig.radius = 3;
RadarChart.defaultConfig.w = 500;
RadarChart.defaultConfig.h = 500;
RadarChart.defaultConfig.tooltipColor = "white";
RadarChart.defaultConfig.backgroundTooltipOpacity = "0.7";

var data = [
  {
    className: "Harvard University", // optional can be used for styling
    axes: [
      {axis: "Teaching Score", value: 99.7},
      {axis: "International Score", value: 72.4},
      {axis: "Research Score", value: 98.7},
      {axis: "Citation Score", value: 98.8},
      {axis: "Income Score", value: 34.5}
    ]
  },
  {
    className: "California Institute of Technology", // optional can be used for styling
    axes: [
      {axis: "Teaching Score", value: 99.7},
      {axis: "International Score", value: 72.4},
      {axis: "Research Score", value: 98.7},
      {axis: "Citation Score", value: 98.8},
      {axis: "Income Score", value: 34.5}
      ]
    }
];

// This function is likely useless but not using it breaks a bunch of other things
function dataset() {
  return data.map(function(d) {
    return {
      className: d.className,
      axes: d.axes.map(function(axis) {
        return {axis: axis.axis, value: axis.value};
      })
    };
  });
}

// Move to front for line chart
// http://bl.ocks.org/eesur/4e0a69d57d3bfc8a82c2
d3.selection.prototype.moveToFront = function() {
  return this.each(function(){
    this.parentNode.appendChild(this);
  });
};


// Dropdown menus for selecting universities
// Adapted from https://bl.ocks.org/mbostock/5872848

var dispatch = d3.dispatch("load", "statechange1", "statechange2");
d3.csv("data4.csv", function(error, univs) {
  if (error) throw error;
  var univById = d3.map();
  univs.forEach(function(d) { univById.set(d.Name, d); });
  dispatch.load(univById);
  dispatch.statechange1(univById.get("Harvard University"));
  dispatch.statechange2(univById.get("California Institute of Technology"));
});

dispatch.on("load.menu", function(univById) {
  // University 1 legend box
  d3.select("#legend")
    .append("br")
    .attr("style", "clear:both");

  var legend1 = d3.select("#legend")
    .append("div")
      .attr("style", "float: left; height: 50px; width: 40px; margin-top:-25px;")
      .append("svg")
        .attr("width", 30)
        .attr("height", 30)
        .append("rect")
          .attr("width", 30)
          .attr("height", 30)
          .attr("fill", "#1F77B4")
          .attr("id", "legend1")


  // University 1 Selector
  var select1 = d3.select("#legend")
    .append("div")
      .attr("style", "float: left; height: 50px;")
      .append("select")
        .attr("id", "select1")
        .on("change", function() { dispatch.statechange1(univById.get(this.value)); });

  select1.selectAll("option")
    .data(univById.values())
    .enter()
      .append("option")
        .attr("value", function(d) { return d.Name; })
        .text(function(d) { return d.rank + ". " + d.Name; });

  // Line break between selection boxes
  d3.select("#legend")
    .append("br")
      .attr("style", "clear:both");

  // University 2 selection box
  var legend2 = d3.select("#legend")
    .append("div")
      .attr("style", "float: left; height: 50px; width: 40px; margin-top:-25px;")
      .append("svg")
        .attr("width", 30)
        .attr("height", 30)
        .append("rect")
          .attr("width", 30)
          .attr("height", 30)
          .attr("fill", "#FF7F0E")
          .attr("id", "legend2")

  var select2 = d3.select("#legend")
    .append("div")
      .attr("style", "float: left; height: 50px;")
      .append("select")
        .attr("id", "select2")
        .classed("chzn-select", true)
        .on("change", function() { dispatch.statechange2(univById.get(this.value)); });


  select2.selectAll("option")
    .data(univById.values())
    .enter()
    .append("option")
      .attr("value", function(d) { return d.Name; })
      .text(function(d) { return d.rank + ". " + d.Name; });

  // Convert drop downs to chosen components to allow search
  // http://harvesthq.github.io/chosen/
  // http://stackoverflow.com/questions/8980131/changing-selection-in-a-select-with-the-chosen-plugin
  $("#select1").chosen().change(function() {
    dispatch.statechange1(univById.get(this.value));
  });

  $("#select1").val("Harvard University").trigger('chosen:updated');


  $("#select2").chosen().change(function() {
    dispatch.statechange2(univById.get(this.value));
  });

  $("#select2").val("California Institute of Technology").trigger('chosen:updated');

  // Change of state on university 1
  dispatch.on("statechange1.menu", function(univ) {
    select1.property("value", univ.Name);

    // Update the dataset with correct info for selected university
    data[0] = {
      className: univ.rank + ". " + univ.Name,
      axes: [
        {axis: "Teaching Score", value: univ.teaching},
        {axis: "International Score", value: univ.international},
        {axis: "Research Score", value: univ.research},
        {axis: "Citations Score", value: univ.citations},
        {axis: "Income Score", value: univ.income}
      ]
    };

    // Update the parallel coordinates to highlight selected university and move to front
    d3.select("path.university1_line").classed("university1_line", false);

    // Remove spaces from university name and convert to underscores to create id
    // http://stackoverflow.com/questions/441018/replacing-spaces-with-underscores-in-javascript
    d3.select(("#"+univ.Name).replace(/ /g,"_")).classed("university1_line", true);
    d3.select(("#"+univ.Name).replace(/ /g,"_")).moveToFront();

  });

  // Change of state on university 2
  dispatch.on("statechange2.menu", function(univ) {
    select2.property("value", univ.Name);

    data[1] = {
      className: univ.rank + ". " + univ.Name,
      axes: [
        {axis: "Teaching Score", value: univ.teaching},
        {axis: "International Score", value: univ.international},
        {axis: "Research Score", value: univ.research},
        {axis: "Citations Score", value: univ.citations},
        {axis: "Income Score", value: univ.income}
      ]
    };

    d3.select("path.university2_line").classed("university2_line", false);

    d3.select(("#"+univ.Name).replace(/ /g,"_")).classed("university2_line", true);
    d3.select(("#"+univ.Name).replace(/ /g,"_")).moveToFront();

  });
});

// Loading the radar chart
dispatch.on("load.radar", function(univById) {
  var chart = RadarChart.chart();
  var cfg = chart.config(); // retrieve default config

  // Update the chart with new data when there's a state change
  dispatch.on("statechange1.radar", function(d) {
    RadarChart.draw("#chart", data);
  });

  dispatch.on("statechange2.radar", function(d) {
    RadarChart.draw("#chart", data);
  });

});


</script>

</body>