Import Geant4 0.0.0 source tree

2016-06-01 15:25:35 +02:00
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+// This code implementation is the intellectual property of
+// the RD44 GEANT4 collaboration.
+//
+// By copying, distributing or modifying the Program (or any work
+// based on the Program) you indicate your acceptance of this statement,
+// and all its terms.
+//
+// $Id: G4UniformMagField.cc,v 2.4 1998/11/27 16:15:53 japost Exp $
+// GEANT4 tag $Name: geant4-00 $
+//
+// 
+//
+// Class for creation of uniform Magnetic Field
+//
+// 30.1.97 V.Grichine
+//
+#include "G4UniformMagField.hh"
+#include "globals.hh"
+#include "geomdefs.hh"
+
+G4UniformMagField::G4UniformMagField(const G4ThreeVector& FieldVector )
+{
+      fFieldComponents[0] = FieldVector.x();
+      fFieldComponents[1] = FieldVector.y();
+      fFieldComponents[2] = FieldVector.z();
+}
+
+void
+G4UniformMagField::SetFieldValue(const G4ThreeVector& newFieldVector )
+{
+      fFieldComponents[0] = newFieldVector.x();
+      fFieldComponents[1] = newFieldVector.y();
+      fFieldComponents[2] = newFieldVector.z();
+}
+   
+G4UniformMagField::G4UniformMagField(G4double vField,
+			             G4double vTheta,
+			             G4double vPhi    )
+{
+   if(vField >= 0 && 
+      vTheta >= 0 && vTheta <= pi && 
+      vPhi >= 0 && vPhi <= twopi)
+   {
+      fFieldComponents[0] = vField*sin(vTheta)*cos(vPhi) ;
+      fFieldComponents[1] = vField*sin(vTheta)*sin(vPhi) ;
+      fFieldComponents[2] = vField*cos(vTheta) ;
+   }
+   else
+   {
+      G4Exception("Invalid parameters in G4UniformMagField::G4UniformMagField") ;
+   }
+}
+
+G4UniformMagField::~G4UniformMagField()
+{
+   ;
+}
+
+G4UniformMagField::G4UniformMagField (const G4UniformMagField &p)
+{
+   for (G4int i=0; i<3; i++)
+      fFieldComponents[i] = p.fFieldComponents[i];
+}
+
+G4UniformMagField& G4UniformMagField::operator = (const G4UniformMagField &p)
+{
+   for (G4int i=0; i<3; i++)
+      fFieldComponents[i] = p.fFieldComponents[i];
+   return *this;
+}
+
+// ------------------------------------------------------------------------
+
+
+void G4UniformMagField::GetFieldValue (const G4double [3],
+                                             G4double *B  ) const 
+{
+   B[0]= fFieldComponents[0] ;
+   B[1]= fFieldComponents[1] ;
+   B[2]= fFieldComponents[2] ;
+   return ;
+}
+