EphemerisTable.h

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#ifndef CARMA_SERVICES_EPHEMERISTABLE_H
#define CARMA_SERVICES_EPHEMERISTABLE_H

#include <iostream>
#include <iomanip>
#include <sstream>
#include <string>
#include <vector>

namespace carma {
  namespace services {

    class EphemerisTable {
    public:

      EphemerisTable();

      EphemerisTable(const std::string& filename, int nrows=0);

      EphemerisTable(const std::string& filename, double mjd_min, double mjd_max);
      
      ~EphemerisTable();
      

      void open(const std::string& fileName, int maxRows=0);


      ephemTableType getEphemType(const std::string& fileName);


      void open_sza(const std::string& fileName, int maxRows=0);

      void setMJD(double mjd_tt);

      
      double    getMJD(void) const;

      double    getRa(void) const;


      double    getDec(void) const;

      double    getDoppler(void) const;


      double    getDistance(void) const;

    private:
      std::string sourceName_;     // not used yet

      // scope of table
      int      nrows_;
      int      ncols_;    // 11 for CARMA, 7 for SZA (not used)
      double   min_mjd_;
      double   max_mjd_;

      // type of table
      ephemTableType ett_;
      void setEphemType(const std::string& fileName);

      //  the table
      std::vector<double> vmjd_;        // MJD [TT]
      std::vector<double> vra_;         // RA  [radians]
      std::vector<double> vdec_;        // Dec [radians]
      std::vector<double> vdoppler_;    // Doppler [m/s]
      std::vector<double> vdistance_;   // Distance [AU]

      //  current index in table
      int      idx_;

      //  set this one
      double   mjd_;       // we keep tables in TT 
      bool     valid_;     // if true, the mjd_ has been set and was valid

      //  and these are for grabs after the interpolation has been done
      double   ra_;        // radians
      double   dec_;       // radians
      double   doppler_;   // m/s
      double   distance_;  // AU
    };
  }
}

#endif  // CARMA_SERVICES_EPHEMERISTABLE_H