Method autosizedOccupantDiversity

src/model/SizingSystem.cpp:955–992

    }

    boost::optional<double> SizingSystem_Impl::autosizedOccupantDiversity() const {
      boost::optional<double> result;

      // Note: as of 9.6.0, for some reason, it returns one entry for cooling and one for heating...
      // And it's only present in the tabular report 'Standard62.1Summary'
      // Both the Heating and Cooling are actually the same underlying value. Cf https://github.com/NREL/OpenStudio/pull/4450#issue-1011104323
      std::string tableName = "System Ventilation Requirements for Cooling";

      // Get the parent AirLoopHVAC
      AirLoopHVAC parAirLoop = airLoopHVAC();

      // Get the object name and transform to the way it is recorded
      // in the sql file
      std::string sqlName = parAirLoop.nameString();
      boost::to_upper(sqlName);

      // Check that the model has a sql file
      if (!model().sqlFile()) {
        LOG(Warn, "This model has no sql file, cannot retrieve the autosized " + tableName + " - 'Occupant Diversity - D'.");
        return result;
      }

      // Query the InitializationSummary -> System Sizing table to get
      // the row names that contains information for this component.
      std::string rowsQuery = R"(
        SELECT Value FROM TabularDataWithStrings
          WHERE ReportName = 'Standard62.1Summary'
          AND ReportForString = 'Entire Facility'
          AND ColumnName = 'Occupant Diversity - D'
          AND TableName = ?
          AND RowName = ?;
      )";

      result = model().sqlFile().get().execAndReturnFirstDouble(rowsQuery,
                                                                // Bind args
                                                                tableName, sqlName);
      return result;
    }

    void SizingSystem_Impl::autosize() {
      autosizeDesignOutdoorAirFlowRate();