Macro for downloading [spectral workbench](http://spectralworkbench.org/) curves as csvs

download.js

setup: function() {
  $('#myModal').remove();
  $('body').append('<div class="modal fade" id="myModal" role="dialog"><div class="modal-content dl-btns"></div></div>');
  $.each($W.data, function(idx, data){
    var $dlBtn = $('<a class="btn btn-success dl-btn">Download ' + (data.label || "") + ' csv<a>');
    $dlBtn.css('margin', 5);
    $('.dl-btns').append($dlBtn);
    var csv = $.map(data.data, function(row, idx){
      return row.join(',');
    }).join('\n');
    console.log(csv);
    $dlBtn.attr('href', window.URL.createObjectURL(new Blob([csv])));
    $dlBtn.attr('download', (data.label || "data") + ".csv");
  });
  $('#myModal').modal('show');
},
draw: function() {
  // code to run every frame
}