     $el = $(element)
 
     $el.append """
-
     <div class="row">
       <div class="col-sm-8">
         <div class="row">

      .call @zoom
      .append "g"


    # init data & force layout
    @node_data = []
    @link_data = []
    @force = d3.layout.force()
      .size [@width, @height]
      .linkDistance 150

    @link_data.push(link)
    @restart()

  #removes any selected nodes/edges
  remove : () =>
    for d in d3.selectAll(@selected_nodes).data()
      @node_data.splice(@node_data.indexOf(d), 1);
