Kamil Sedlak 2009-05-18

This is the first version of the muSR simulation code (musrSim)
based on the merged codes of Kamil Sedlak and Toni Shiroka.
It should be a running version of the simulation code, however 
it has not been very well tested, therefore it will probably
need some further development.

include/musrQuadrupole.hh

@@ -0,0 +1,49 @@
+#ifndef musrQuadrupole_h
+#define musrQuadrupole_h 1
+
+#include "globals.hh"
+#include "F04ElementField.hh"
+#include "F04GlobalField.hh"
+//#include "G4ios.hh"
+#include "BLEngeFunction.hh"
+//#include <fstream>
+//#include <vector>
+//#include <cmath>
+const G4double FRINGE_ACCURACY=1.0e-4;
+
+class musrQuadrupole : public F04ElementField
+{
+public:
+  musrQuadrupole(G4double halflengthVal, G4double fieldRadiusVal, G4double gradientVal, G4double fringeFactorVal, G4LogicalVolume* logVolume, G4ThreeVector positionOfTheCenter);
+  // musrQuadrupole is based on "BLCMDgenericquad" class of the G4beamline package.
+  // 
+
+  ///  Destructor.
+  virtual ~musrQuadrupole() {}
+
+  ///  addFieldValue() adds the field for this solenoid into field[].
+  ///  point[] is in global coordinates.
+  void  addFieldValue( const  G4double Point[4], G4double* field) const;
+
+  G4double GetNominalFieldValue();
+  void SetNominalFieldValue(G4double newFieldValue);
+  
+  //  getWidth(), getHeight(), getLength(),  return the dimensions of the field 
+  // (used to define the boundary of the field)
+  virtual G4double getWidth()  { return 2*fieldRadius; }   // x coordinate
+  virtual G4double getHeight() { return 2*fieldRadius; }   // y coordinate
+  virtual G4double getLength() { return 2*fringeMaxZ; }    //{ return 2*halflength; }   // z coordinate
+
+
+private:
+  G4double gradient;
+  G4double fieldRadius;
+  G4double halflength;
+
+  G4double fringeMaxZ;
+  G4double fringeDepth;
+
+  BLEngeFunction enge;
+};
+
+#endif