Uncompressed Invite Gist

invite.html

var width = 1300,
    height = 645
var svg = d3.select("body").append("svg")
    .attr("width", width)
    .attr("height", height);
	
var colorScale=d3.scale.linear().range(["green","darkgreen"])	
	
var force = d3.layout.force()
    .gravity(0.05)
    .charge(-1000)
    .linkDistance(200)
    .size([width, height]);
    
d3.json("party.json", function(error, json) {
  if (error) throw error;
  force
      .nodes(json.nodes)
      .links(json.links)
      .start();
  var link = svg.selectAll(".link")
      .data(json.links)
      .enter().append("line")
      .attr("class", "link") ;
	 
  var node = svg.selectAll(".node")
      .data(json.nodes)
      .enter().append("g")
      .attr("class", "node")
      .call(force.drag);
	  
  node.append("image")
      .attr("class", "circle")
      .attr("xlink:href", function(d){
	  
	      if(d.name=="Divya"){
		  return "Divya.png";
		  }
		  else if(d.name=="Deepthi"){
		    return "deepthi.png"
		  }
		  else if(d.name=="Prasoon"){
		    return "prasoon.png"
		  }
		  else if(d.name=="Sreerekha"){
		    return "sree.png"
		  }		 	 
		  else if(d.name=="Awanish"){
		    return "awanish.jpg"
		  }
		  else if(d.name=="Vardhan"){
		    return "vardhan.PNG"
		  }
		  else if(d.name=="Pritish"){
		    return "pritish.png"
		  }
		  else if(d.name=="Sharvari"){
		    return "sharvari.png"
		  }
		  else if(d.name=="Pradeepa"){
		    return "pradeepa.jpg"
		  }
		   else if(d.name=="Harshita"){
		    return "harshita.png"
		  }
		  else{
		  return "";
		  }
	  
	  }
	  
	  )
      .attr("x", "-10px")
      .attr("y", "-5px")
      .attr("width", "100px")
      .attr("height", "100px");
  node.append("title")
      .text(function(d) { return d.name; });
  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; })
		.attr("stroke",function(d){ return colorScale(Math.random());})
		.attr("stroke-width",2);
		
    node.attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")"; });
  });
});