Gabriele Cosmo
106 lines
3.6 KiB
C++
106 lines
3.6 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: G4UniformMagField.cc,v 1.9 2004/02/09 14:43:10 gcosmo Exp $
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// GEANT4 tag $Name: geant4-06-00-patch-01 $
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//
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//
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// Class for creation of uniform Magnetic Field
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//
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// 30.1.97 V.Grichine
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//
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// -------------------------------------------------------------------
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#include "G4UniformMagField.hh"
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G4UniformMagField::G4UniformMagField(const G4ThreeVector& FieldVector )
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{
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fFieldComponents[0] = FieldVector.x();
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fFieldComponents[1] = FieldVector.y();
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fFieldComponents[2] = FieldVector.z();
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}
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void
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G4UniformMagField::SetFieldValue(const G4ThreeVector& newFieldVector )
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{
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fFieldComponents[0] = newFieldVector.x();
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fFieldComponents[1] = newFieldVector.y();
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fFieldComponents[2] = newFieldVector.z();
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}
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G4UniformMagField::G4UniformMagField(G4double vField,
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G4double vTheta,
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G4double vPhi )
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{
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if(vField >= 0 &&
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vTheta >= 0 && vTheta <= pi &&
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vPhi >= 0 && vPhi <= twopi)
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{
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fFieldComponents[0] = vField*sin(vTheta)*cos(vPhi) ;
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fFieldComponents[1] = vField*sin(vTheta)*sin(vPhi) ;
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fFieldComponents[2] = vField*cos(vTheta) ;
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}
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else
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{
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G4Exception("G4UniformMagField::G4UniformMagField()",
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"WrongArgumentValue", FatalException, "Invalid parameters.") ;
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}
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}
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G4UniformMagField::~G4UniformMagField()
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{
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}
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G4UniformMagField::G4UniformMagField (const G4UniformMagField &p)
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: G4MagneticField(p)
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{
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for (G4int i=0; i<3; i++)
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fFieldComponents[i] = p.fFieldComponents[i];
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}
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G4UniformMagField& G4UniformMagField::operator = (const G4UniformMagField &p)
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{
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if (&p == this) return *this;
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for (G4int i=0; i<3; i++)
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fFieldComponents[i] = p.fFieldComponents[i];
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return *this;
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}
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// ------------------------------------------------------------------------
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void G4UniformMagField::GetFieldValue (const G4double [4],
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G4double *B ) const
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{
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B[0]= fFieldComponents[0] ;
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B[1]= fFieldComponents[1] ;
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B[2]= fFieldComponents[2] ;
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}
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G4ThreeVector G4UniformMagField::GetConstantFieldValue() const
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{
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G4ThreeVector B(fFieldComponents[0],
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fFieldComponents[1],
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fFieldComponents[2]);
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return B;
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}
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