javascript - make sigma.js compatible with ruby on rails -

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please me,this drives me nuts.

i have ruby on rails application , following code sigma.js example visualize graph files.i not know why graph not render

some notes:

1.java script files sigma.min , parsegexf located correctly,looking @ source code of browser can see them

2.the data file "file.gexf" problem think .i not know else try following helpers did not work 

asset_path  asset_url

i tried pass absolute path of file.gexf still did not work 

<% content_for :header %>    <%= javascript_include_tag "sigma.min", "data-turbolinks-track" => true %>   <%= javascript_include_tag "sigma.parsegexf", "data-turbolinks-track" => true %> <% end %>    <div class="container">       <div class="row">       <div class="sigma-parent" id="sigma-example-parent">       <div class="sigma-expand" id="sigma-example"></div>    </div>   </div>  <script type="text/javascript">  function init() {   // instanciate sigma.js , customize rendering :   var siginst = sigma.init(document.getelementbyid('sigma-example')).drawingproperties({    ...     defaultedgetype: 'curve'    }).graphproperties({    ...   }).mouseproperties({     maxratio: 32   });    // parse gexf encoded file fill graph  // (requires "sigma.parsegexf.js" included)  siginst.parsegexf('file.gexf');  //highlights nodes hovered+ edges  // bind events :  var greycolor = '#666';  siginst.bind('overnodes',function(event){     ...     // draw graph :     siginst.draw();   }   if (document.addeventlistener) {     document.addeventlistener("domcontentloaded", init, false);  } else {    window.onload = init; }    </script> //some stylinmg here      <style type="text/css">        .sigma-parent {     position: relative;    ...   }    .sigma-expand {      position: absolute;   ...   }   .buttons-container{      padding-bottom: 8px;    ...  } </style>


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