skylike_me/community_test.html at master · tomasgatial/skylike_me · GitHub

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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <title>jLouvain Example</title>
    <script src="lib/d3.min.js" charset="utf-8"></script>
    <script src="js/jquery-2.1.3.js"></script>
    <script type="text/javascript" src="lib/jLouvain.js"></script>

    <script src="js/xsltTransform.js"></script>
    <script src="js/importFriends2.js"></script>


    <style>
    .node {
      stroke: #fff;
      stroke-width: 1.5px;
    }

    .link {
      stroke: #999;
      stroke-opacity: .6;
    }
    </style>
</head>

  <body>
    <div id="content_wrapper">
    <input type="button" value="Reset" id='reset_btn' />
    <input type="button" value="Run Community Detection" id='comm_detect' />
    </div>
  </body>

  <script>

  var initFriends = importFriends2();
  //console.log(initFriends)


  var node_data  = initFriends.map(function(d,i,a){
  	console.log(+d.id)
  	return i //+d.id//i * 2
  })

  //Original node and edge data
  //var node_data = [0, 1, 2, 3, 4, 5,6,7,8,9, 10,11,12,13,14,15,16,17,18,19,20,21,22,23,24];

  console.log('Input Node Data', node_data);

 /* var edge_data = [{"source":0,"target":1,"weight":50},
 				   {"source":1,"target":2,"weight":4},
 				   {"source":3,"target":4,"weight":50},
 				   {"source":0,"target":4,"weight":2},
 				   {"source":0,"target":5,"weight":2}];*/
 //var edge_data = [{"source":0,"target":1,"weight":50}]


  console.log(initFriends[0].books)
  console.log(initFriends)

  var edge_data = [];
  initFriends.forEach(function(d,i,a){

  	for(var j = i + 1; j < a.length; j ++){
	  	e = a[j]

	 	var inter = 0

	  	e.books.forEach(function(b1){
	  		d.books.forEach(function(b2){
	  			if(b1.id == b2.id){
		  			inter ++
		  		}
		  	})
	  	})

	  	if(inter != 0 ){

	  		//inter = Math.pow(inter,2)/1000;

		  	console.log("comparing " +d.name + " to "+ e.name + " inter " + inter)

		  	//edge_data.push({"source":i,"target":j,"weight":Math.random()*100})
        //edge_data.push({"source":i,"target":j,"weight":inter})
	  	}
	  	edge_data.push({"source":i,"target":j,"weight":inter+1})

  	}


  })

console.log('Input Edge Data', edge_data);

var community = jLouvain().nodes(node_data).edges(edge_data);

console.log(community)


//Drawing code
var width = 600,
    height = 600;

var original_node_data = d3.entries(node_data);

var max_weight = d3.max(edge_data, function(d){ return d.weight});
var weight_scale = d3.scale.linear().domain([0, max_weight]).range([1,5]);

var force = d3.layout.force()
              .charge(-50)
              .linkDistance(250)
              .size([width, height]);

var svg = d3.select("body").append("svg")
    .attr("width", width)
    .attr("height", height);

force.nodes(original_node_data)
      .links(edge_data)
      .start();

  var link = svg.selectAll(".link")
      .data(edge_data)
    .enter().append("line")
      .attr("class", "link")
      .style("stroke-width", function(d) { return weight_scale(d.weight); });

  var node = svg.selectAll(".node")
      .data(force.nodes())
    .enter().append("circle")
      .attr("class", "node")
      .attr("r", 5)
      .style("fill", '#a30500')
      .call(force.drag);

  force.on("tick", function() {
    link.attr("x1", function(d) { return d.source.x; })
        .attr("y1", function(d) { return d.source.y; })
        .attr("x2", function(d) { return d.target.x; })
        .attr("y2", function(d) { return d.target.y; });

    node.attr("cx", function(d) { return d.x; })
        .attr("cy", function(d) { return d.y; });
  });

  d3.select('#comm_detect').on('click', function(){
    //Communnity detection on click event

    var community_assignment_result = community();

    var node_ids = Object.keys(community_assignment_result);

    node_ids.forEach(function(d,i,a){
         console.log("d "+d + " " +community_assignment_result[d]);
         initFriends[d]["community"] = community_assignment_result[d];
    });


    console.log('Resulting Community Data', community_assignment_result);
    var max_community_number = 0;
    node_ids.forEach(function(d){
      original_node_data[d].community = community_assignment_result[d];
      max_community_number = max_community_number < community_assignment_result[d] ? community_assignment_result[d]: max_community_number;
    });
    console.log(original_node_data);
    console.log("max community number "+ max_community_number)
    console.log(initFriends) // This initfriends has the list of all the friends with the community to which they belong to.
    initFriends.forEach(function(d,i,a){
      var filteredFriends = initFriends.filter(function( object ) {
        return object.community == d.community
      })

    if(filteredFriends.length == 1){
      d.community = -1;
    }
  })
    var nested_friends = d3.nest()
      .key(function(d) { return d.community; })
      .entries(initFriends);
    console.log(nested_friends);
    var color = d3.scale.category20().domain(d3.range([0, max_community_number]));
    d3.selectAll('.node')
      .data(original_node_data)
      .style('fill', function(d){ return color(d.community);})
  });

  d3.select('#reset_btn').on('click', function(){
     d3.selectAll('.node')
      .data(original_node_data)
      .style('fill', '#a30500');
  });
  </script>
</html>

<!-- trying shizzle -->