text:         // Copyright: 2015 AlignAlytics
          // License: "https://github.com/PMSI-AlignAlytics/dimple/blob/master/MIT-LICENSE.txt"
          // Source: /src/objects/chart/methods/addTimeAxis.js
          // Help: http://github.com/PMSI-AlignAlytics/dimple/wiki/dimple.chart#wiki-addTimeAxis
          this.addTimeAxis = function (position, timeField, inputFormat, outputFormat) {
              var axis = this.addAxis(position, null, null, timeField);
              axis.tickFormat = outputFormat;
              axis.dateParseFormat = inputFormat;
              return axis;
          };
  
  