{% extends "base.html" %}
{% block body %}

</br>
<h1> Dimensional Dependence </h1></br>
<p id="chart"></p>
<div id="footer">
    <div class="container"> <b>
        <p class="text-muted credit"> <small>
	Diagram created using D3: Data-Driven Documents; Michael Bostock, Vadim Ogievetsky, Jeffrey Heer; IEEE Trans. Visualization & Comp. Graphics (Proc. InfoVis), 2011 
    </small> 
</p> </div> </div>

{% endblock %}


{% block js %}

<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="http://bost.ocks.org/mike/sankey/sankey.js"></script>

<script>
	
var units = "Widgets";

var margin = {top: 10, right: 10, bottom: 10, left: 10},
    width = 1000 - margin.left - margin.right,
    height = 600 - margin.top - margin.bottom;

var formatNumber = d3.format(",.8f"),    // zero decimal places
    format = function(d) { return formatNumber(d) + " " + units; },
    color = d3.scale.category20();

// append the svg canvas to the page
var svg = d3.select("#chart").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 + ")");

// Add x-axis Label
//svg.append("text")
//    .attr("x", width / 2)
//    .attr("y", height + margin.bottom - 10)
//    .style("text-anchor", "middle")
//    .style("font-size","20px")
//    .style("font-weight","bold")
//    .text("Number of Sectors");

// Set the sankey diagram properties
var sankey = d3.sankey()
    .nodeWidth(36)
    .nodePadding(40)
    .size([width, height-50]);

var path = sankey.link();


// load the data 
d3.json("{{url_for('static', filename='sankey9.json')}}", function(graph) {

  sankey
      .nodes(graph.nodes)
      .links(graph.links)
      .layout(100);

// add in the links
  var link = svg.append("g").selectAll(".link")
      .data(graph.links)
    .enter().append("path")
      .attr("class", "link")
      .attr("d", path)
      .style("stroke-width", function(d) { return Math.max(1, d.dy); })
      .sort(function(a, b) { return b.dy - a.dy; });

// add the link titles
  link.append("title")
        .text(function(d) {
    		return d.source.name + " → " + 
                d.target.name + "\n" + format(d.value); });

// add in the nodes
  var node = svg.append("g").selectAll(".node")
      .data(graph.nodes)
    .enter().append("g")
      .attr("class", "node")
      .attr("transform", function(d) { 
		  return "translate(" + d.x + "," + d.y + ")"; })
    .call(d3.behavior.drag()
      .origin(function(d) { return d; })
      .on("dragstart", function() { 
		  this.parentNode.appendChild(this); })
      .on("drag", dragmove));

// add the rectangles for the nodes
  node.append("rect")
      .attr("height", function(d) { return d.dy; })
      .attr("width", sankey.nodeWidth())
      //.style("fill", function(d) { 
		  //return d.color = color(d.name.replace(/ .*/, "")); })
      .style("fill", function(d){
		  return d.color; })
      .style("stroke", function(d) { 
		  return d3.rgb(d.color).darker(2); })
    .append("title")
      .text(function(d) { 
		  return d.name + "\n" + format(d.value); });

// add in the title for the nodes
  node.append("text")
      .attr("x", -6)
      .attr("y", function(d) { return d.dy / 2; })
      .attr("dy", ".35em")
      .attr("text-anchor", "end")
      .attr("transform", null)
      .style("font-size","14px")
      .style("font-weight","bold")
      .text(function(d) { return d.name; })
    .filter(function(d) { return d.x < width / 2; })
      .attr("x", 6 + sankey.nodeWidth())
      .attr("text-anchor", "start");

// the function for moving the nodes
  function dragmove(d) {
    d3.select(this).attr("transform", 
        "translate(" + d.x + "," + (
                d.y = Math.max(0, Math.min(height - d.dy, d3.event.y))
            ) + ")");
    sankey.relayout();
    link.attr("d", path);
  }
});

</script>

{% endblock %}