DMagneticFieldMapSpoiled.h

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// $Id$
//
//    File: DMagneticFieldMapSpoiled.h
// Created: Wed Mar 25 04:04:16 EDT 2009
// Creator: davidl (on Darwin Amelia.local 9.6.0 i386)
//

#ifndef _DMagneticFieldMapSpoiled_
#define _DMagneticFieldMapSpoiled_

#include <JANA/jerror.h>

#include <HDGEOMETRY/DMagneticFieldMap.h>

#include <JANA/JApplication.h>
#include <JANA/JCalibration.h>
using namespace jana;

class DMagneticFieldMapCalibDB;

class DMagneticFieldMapSpoiled:public DMagneticFieldMap{
   public:
      DMagneticFieldMapSpoiled(JApplication *japp, unsigned int run_number=1, string namepath = "Magnets/Solenoid/solenoid_1500");
      DMagneticFieldMapSpoiled(JCalibration *jcalib, string namepath = "Magnets/Solenoid/solenoid_1500");
      virtual ~DMagneticFieldMapSpoiled();

      void GetField(const DVector3 &pos,DVector3 &Bout) const;
      void GetField(double x, double y, double z, double &Bx, double &By, double &Bz, int method=0) const;
      
      double GetBz(double x,double y, double z) const;
      void GetFieldGradient(double x, double y, double z,
                  double &dBxdx, double &dBxdy,
                  double &dBxdz,
                  double &dBydx, double &dBydy,
                  double &dBydz,    
                  double &dBzdx, double &dBzdy,
                  double &dBzdz) const;
      
      void GetFieldBicubic(double x,double y,double z,
                 double &Bx,double &By,double &Bz) const;
      void GetFieldAndGradient(double x,double y,double z,
                double &Bx,double &By,
                double &Bz,
                double &dBxdx, double &dBxdy,
                double &dBxdz,
                double &dBydx, double &dBydy,
                double &dBydz,
                double &dBzdx, double &dBzdy,
                double &dBzdz) const;
      
   protected:
      
      void Init(void);
   
      bool initialized;
      DMagneticFieldMapCalibDB *bfield;
      double phi_amp;      ///< Amplitude of phi spoiler (fraction of magnitude)
      double phi_omega;    ///< Angular frequency of phi spoiler (radians/radian)
      double r_amp;        ///< Amplitude of r spoiler (fraction of magnitude)
      double r_omega;         ///< Angular frequency of r spoiler (radians/cm)
      double z_amp;        ///< Amplitude of z spoiler (fraction of magnitude)
      double z_omega;         ///< Angular frequency of z spoiler (radians/cm)
   
   private:

};

#endif // _DMagneticFieldMapSpoiled_