text: /**
  * Copyright 2012-2018, Plotly, Inc.
  * All rights reserved.
  *
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  */
  
  
  'use strict';
  
  var Lib = require('../../lib');
  
  
  // arrayOk attributes, merge them into calcdata array
  module.exports = function arraysToCalcdata(cd, trace) {
  
      // so each point knows which index it originally came from
      for(var i = 0; i < cd.length; i++) cd[i].i = i;
  
      Lib.mergeArray(trace.text, cd, 'tx');
      Lib.mergeArray(trace.hovertext, cd, 'htx');
      Lib.mergeArray(trace.customdata, cd, 'data');
      Lib.mergeArray(trace.textposition, cd, 'tp');
      if(trace.textfont) {
          Lib.mergeArray(trace.textfont.size, cd, 'ts');
          Lib.mergeArray(trace.textfont.color, cd, 'tc');
          Lib.mergeArray(trace.textfont.family, cd, 'tf');
      }
  
      var marker = trace.marker;
      if(marker) {
          Lib.mergeArray(marker.size, cd, 'ms');
          Lib.mergeArray(marker.opacity, cd, 'mo');
          Lib.mergeArray(marker.symbol, cd, 'mx');
          Lib.mergeArray(marker.color, cd, 'mc');
  
          var markerLine = marker.line;
          if(marker.line) {
              Lib.mergeArray(markerLine.color, cd, 'mlc');
              Lib.mergeArray(markerLine.width, cd, 'mlw');
          }
  
          var markerGradient = marker.gradient;
          if(markerGradient && markerGradient.type !== 'none') {
              Lib.mergeArray(markerGradient.type, cd, 'mgt');
              Lib.mergeArray(markerGradient.color, cd, 'mgc');
          }
      }
  };
  