Face Expressions

by Nivaldo

HTML

<script src="http://d3js.org/d3.v3.min.js"></script>
<svg width="400" height="400" viewBox="0 50 400 400" preserveAspectRatio="none">
  <defs>
    <radialGradient id="gradient" cx="100%" cy="100%" r="100%">
      <stop offset="0%" stop-color="#fefdfe"/>
      <stop offset="25%" stop-color="#f8cdda"/>
      <stop offset="85%" stop-color="#1d2b64"/>
      <stop offset="100%" stop-color="#0e153a"/>
    </radialGradient>
  </defs>
  <rect width="400" height="400" fill="url(#gradient)"/>
</svg>

JavaScript

var data = {
    "name": "cluster",
    "children": [
        {"name": "Admiration", "size": 60, "image_url": "https://cdn1.iconfinder.com/data/icons/brown-monsters/128/Brown_Monsters_21-01.png"},
        {"name": "Joy", "size": 40, "image_url": "https://cdn1.iconfinder.com/data/icons/brown-monsters/128/Brown_Monsters_2-01.png"},
        {"name": "Hope", "size": 30, "image_url": "https://cdn1.iconfinder.com/data/icons/brown-monsters/128/Brown_Monsters_1-01.png"},
        {"name": "Sadness", "size": 50, "image_url": "https://cdn1.iconfinder.com/data/icons/brown-monsters/128/Brown_Monsters_17-01.png"},
        {"name": "Surprise", "size": 100, "image_url": "https://cdn1.iconfinder.com/data/icons/brown-monsters/128/Brown_Monsters_22-01.png"},
        {"name": "Anger", "size": 25, "image_url": "https://cdn1.iconfinder.com/data/icons/brown-monsters/128/Brown_Monsters_34-01.png"},
        {"name": "Worry", "size": 70, "image_url": "https://cdn1.iconfinder.com/data/icons/brown-monsters/128/Brown_Monsters_16-01.png"},
        {"name": "Frustration", "size": 90, "image_url": "https://cdn1.iconfinder.com/data/icons/brown-monsters/128/Brown_Monsters_47-01.png"}        
    ]
};

var diameter = 400,
    format = d3.format(",d"),
    color = d3.scale.category20c();

var bubble = d3.layout.pack()
.sort(null)
.size([diameter, diameter])
.padding(1.5);

var svg = d3.select("body").select("svg")
//.attr("width", diameter)
//.attr("height", diameter)
.attr("class", "bubble");

//d3.json("flare.json", function(error, root) {
var node = svg.selectAll(".node")
.data(bubble.nodes(classes(data))
      .filter(function(d) { return !d.children; }))
.enter().append("g")
.attr("class", "node")
.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; });

node.append("title")
.text(function(d) { return d.className + ": " + d.value + "%"; });

node.append('image')
.attr('xlink:href', function(d) { return d.imageUrl; })
.attr('x', function(d, i) { return -d.r/2;...