Velocity.h

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// $Id: Velocity.h,v 1.15 2014/04/02 23:11:12 iws Exp $

#ifndef CARMA_SERVICES_VELOCITY_H
#define CARMA_SERVICES_VELOCITY_H

#include "carma/services/ConformableQuantity.h"
#include "carma/services/stringConstants.h"
#include "carma/services/Angle.h"
#include "carma/services/Types.h"
#include <iostream>
#include <string>

namespace carma  {
  namespace services {

  class Velocity : public ConformableQuantity {
    public:

        Velocity(double value, 
             const std::string& units,
             velocityFrameType velFrame = FRAME_LSR,
             velocityDefType   velDef = VEL_RADIO
             );

        virtual ~Velocity();
        
        velocityFrameType getFrame() const {
            return velFrame_;
        }

        velocityDefType getDefinition() const {
            return velDef_;
        }

        void cotra_radio_lsr(Angle ra, Angle dec);

       static velocityDefType
           translateDefinition(const std::string& def) ;

       static velocityFrameType
           translateFrame(const std::string& frame) ;

       double kms() const 
       {
           return convert( KMS );
       }

       double mph() const 
       {
           return convert( MPH );
       }

       const Velocity operator+(const Velocity& velocity) const;

       const Velocity operator-(const Velocity& velocity) const;

        Velocity& operator+=(const Velocity &frequency);

        Velocity& operator-=(const Velocity &frequency);

    private:
        velocityFrameType velFrame_;

        velocityDefType velDef_;

  };

std::ostream& operator<<(std::ostream& os, 
             const carma::services::Velocity& velocity);
  }
}


#endif //CARMA_SERVICES_VELOCITY_H