geant4/LEMuSR/include/musrTabulatedField3D.hh

@@ -0,0 +1,46 @@
+#include "globals.hh"
+#include "G4MagneticField.hh"
+#include "G4ios.hh"
+
+#include <fstream>
+#include <vector>
+#include <cmath>
+
+using namespace std;
+
+class lem4TabulatedField3D
+#ifndef STANDALONE
+ : public G4MagneticField
+#endif
+{
+  
+  // Storage space for the table
+  vector< vector< vector< double > > > xField;
+  vector< vector< vector< double > > > yField;
+  vector< vector< vector< double > > > zField;
+  // The dimensions of the table
+  int nx,ny,nz; 
+  // The physical limits of the defined region
+  double minx, maxx, miny, maxy, minz, maxz;
+  // The physical extent of the defined region
+  double dx, dy, dz;
+  double ffieldValue;
+  bool invertX, invertY, invertZ;
+  double positionOffset[4];
+
+  static lem4TabulatedField3D* pointerToTabulatedField3D;
+
+public:
+
+  static lem4TabulatedField3D* GetInstance();
+
+  lem4TabulatedField3D(const char* filename, double fieldValue );
+  void  GetFieldValue( const  double Point[4],
+		       double *Bfield          ) const;
+  G4double GetFieldSetValue();
+  void SetFieldValue(double newFieldValue);
+  void SetPositionOffset(double offset[4]) { positionOffset[0]=offset[0]; positionOffset[1]=offset[1];
+    positionOffset[2]=offset[2]; positionOffset[3]=offset[3];}
+
+};
+