Wkhtmltopdf not drawing charts when using www.gstatic.com/charts/loader.js











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1
down vote

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I have been trying to output charts in my pdf but for some reason it fails to render the template with the chart.
when using this .
however for some solutions i have seen them using
. but i want the solution for the upper one.



code



<script type="text/javascript">



  // Load Charts and the corechart and barchart packages.

  function init(){

    //google.charts.load('current','1.0',{'packages':['corechart']});

    //google.charts.setOnLoadCallback(drawChart);

    window.onload = function () {

    google.charts.load('current','1.0',{'packages':['corechart']});

    setTimeout(function(){drawChart();}, 500);

    };

  }



  // Draw the pie chart and bar chart when Charts is loaded.





  function drawChart() {



    var data = new google.visualization.DataTable();

    data.addColumn('string', 'number');

    data.addColumn('number', 'Number of users');

    data.addRows([

      ['Admin', {{ count_4 }}],

      ['Farmers', {{ count_1 }}],

      ['Wholesalers', {{ count_2 }}],

      ['Retailers', {{ count_3 }}]

    ]);



    var piechart_options = {title:'Pie Chart: Showing number of users of the Marketing survey Assistant Web  Service',

                   width:400,

                   height:300};

    var piechart = new google.visualization.PieChart(document.getElementById('piechart_div'));

    piechart.draw(data, piechart_options);

  }

</script>





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    up vote
    1
    down vote

    favorite












    I have been trying to output charts in my pdf but for some reason it fails to render the template with the chart.
    when using this .
    however for some solutions i have seen them using
    . but i want the solution for the upper one.



    code



    <script type="text/javascript">
    

    
  // Load Charts and the corechart and barchart packages.
    
  function init(){
    
    //google.charts.load('current','1.0',{'packages':['corechart']});
    
    //google.charts.setOnLoadCallback(drawChart);
    
    window.onload = function () {
    
    google.charts.load('current','1.0',{'packages':['corechart']});
    
    setTimeout(function(){drawChart();}, 500);
    
    };
    
  }
    

    
  // Draw the pie chart and bar chart when Charts is loaded.
    

    

    
  function drawChart() {
    

    
    var data = new google.visualization.DataTable();
    
    data.addColumn('string', 'number');
    
    data.addColumn('number', 'Number of users');
    
    data.addRows([
    
      ['Admin', {{ count_4 }}],
    
      ['Farmers', {{ count_1 }}],
    
      ['Wholesalers', {{ count_2 }}],
    
      ['Retailers', {{ count_3 }}]
    
    ]);
    

    
    var piechart_options = {title:'Pie Chart: Showing number of users of the Marketing survey Assistant Web  Service',
    
                   width:400,
    
                   height:300};
    
    var piechart = new google.visualization.PieChart(document.getElementById('piechart_div'));
    
    piechart.draw(data, piechart_options);
    
  }
    
</script>





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    share|improve this question
























      up vote
      1
      down vote

      favorite









      up vote
      1
      down vote

      favorite











      I have been trying to output charts in my pdf but for some reason it fails to render the template with the chart.
      when using this .
      however for some solutions i have seen them using
      . but i want the solution for the upper one.



      code



      <script type="text/javascript">
      

      
  // Load Charts and the corechart and barchart packages.
      
  function init(){
      
    //google.charts.load('current','1.0',{'packages':['corechart']});
      
    //google.charts.setOnLoadCallback(drawChart);
      
    window.onload = function () {
      
    google.charts.load('current','1.0',{'packages':['corechart']});
      
    setTimeout(function(){drawChart();}, 500);
      
    };
      
  }
      

      
  // Draw the pie chart and bar chart when Charts is loaded.
      

      

      
  function drawChart() {
      

      
    var data = new google.visualization.DataTable();
      
    data.addColumn('string', 'number');
      
    data.addColumn('number', 'Number of users');
      
    data.addRows([
      
      ['Admin', {{ count_4 }}],
      
      ['Farmers', {{ count_1 }}],
      
      ['Wholesalers', {{ count_2 }}],
      
      ['Retailers', {{ count_3 }}]
      
    ]);
      

      
    var piechart_options = {title:'Pie Chart: Showing number of users of the Marketing survey Assistant Web  Service',
      
                   width:400,
      
                   height:300};
      
    var piechart = new google.visualization.PieChart(document.getElementById('piechart_div'));
      
    piechart.draw(data, piechart_options);
      
  }
      
</script>





      python flask jinja2







      share|improve this question













      I have been trying to output charts in my pdf but for some reason it fails to render the template with the chart.
      when using this .
      however for some solutions i have seen them using
      . but i want the solution for the upper one.



      code



      <script type="text/javascript">
      

      
  // Load Charts and the corechart and barchart packages.
      
  function init(){
      
    //google.charts.load('current','1.0',{'packages':['corechart']});
      
    //google.charts.setOnLoadCallback(drawChart);
      
    window.onload = function () {
      
    google.charts.load('current','1.0',{'packages':['corechart']});
      
    setTimeout(function(){drawChart();}, 500);
      
    };
      
  }
      

      
  // Draw the pie chart and bar chart when Charts is loaded.
      

      

      
  function drawChart() {
      

      
    var data = new google.visualization.DataTable();
      
    data.addColumn('string', 'number');
      
    data.addColumn('number', 'Number of users');
      
    data.addRows([
      
      ['Admin', {{ count_4 }}],
      
      ['Farmers', {{ count_1 }}],
      
      ['Wholesalers', {{ count_2 }}],
      
      ['Retailers', {{ count_3 }}]
      
    ]);
      

      
    var piechart_options = {title:'Pie Chart: Showing number of users of the Marketing survey Assistant Web  Service',
      
                   width:400,
      
                   height:300};
      
    var piechart = new google.visualization.PieChart(document.getElementById('piechart_div'));
      
    piechart.draw(data, piechart_options);
      
  }
      
</script>





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      asked 6 hours ago









      joshua

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