Gabriele Cosmo
116 lines
3.5 KiB
Plaintext
116 lines
3.5 KiB
Plaintext
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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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 statement,
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// and all its terms.
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//
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// $Id: G4PropagatorInField.icc,v 1.5.2.1 1999/12/07 20:48:41 gunter Exp $
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// GEANT4 tag $Name: geant4-01-00 $
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//
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//
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// ------------------------------------------------------------------------
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// GEANT 4 include file implementation
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//
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// For information related to this code contact:
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// CERN, IT Division (formely CN), ASD group
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// ------------------------------------------------------------------------
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//
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// 25.10.96 John Apostolakis, design and implementation
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// 25.03.97 John Apostolakis, adaptation for G4Transportation and cleanup
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//
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// To create an object, must have
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// an object that calculates the Curved paths
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// the navigator to find (linear) intersections
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// and ?? also must know the value of the maximum displacement allowed
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//
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inline G4PropagatorInField::
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G4PropagatorInField( G4Navigator *theNavigator,
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G4FieldManager *detectorFieldMgr) :
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fNavigator(theNavigator),
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fDetectorFieldMgr(detectorFieldMgr),
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fmax_loop_count(10000),
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End_PointAndTangent(G4ThreeVector(0.,0.,0.),
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G4ThreeVector(0.,0.,0.),0.0,0.0),
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fDelta_One_Step_Value(fDefault_Delta_One_Step_Value),
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fDelta_Intersection_Val(fDefault_Delta_Intersection_Val),
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fVerboseLevel(0)
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{
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// this->fChordFinder = new G4ChordFinder( (G4MagneticField*)0, 1e-6 );
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fNoZeroStep=0;
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fThresholdNo_ZeroSteps= 2;
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// fMidPoint_CurveLen_of_LastAttempt= -1;
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fFull_CurveLen_of_LastAttempt= -1;
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fLast_ProposedStepLength= -1;
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}
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inline
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G4ChordFinder* G4PropagatorInField::GetChordFinder()
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{
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// Now only the "Chord Finder" of the global Field Mgr is used
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// ...
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return fDetectorFieldMgr->GetChordFinder();
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}
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inline void G4PropagatorInField::SetChargeMomentumMass(
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G4double Charge, // in e+ units
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G4double Momentum, // in GeV/c
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G4double Mass) // in ? units
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{
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GetChordFinder()->SetChargeMomentumMass(Charge, Momentum, Mass);
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}
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// Obtain the final space-point and velocity (normal) at the end of the Step
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//
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inline
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G4ThreeVector G4PropagatorInField::EndPosition()
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{
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return End_PointAndTangent.Position();
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}
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inline
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G4ThreeVector G4PropagatorInField::EndMomentumDir()
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{
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return End_PointAndTangent.GetMomentumDir();
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}
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inline G4double G4PropagatorInField::GetEpsilonStep()
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{
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return fEpsilonStep;
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}
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inline void G4PropagatorInField::SetEpsilonStep(G4double newEps)
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{
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fEpsilonStep=newEps;
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}
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inline G4bool G4PropagatorInField::IsParticleLooping()
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{
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return fParticleIsLooping;
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}
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inline G4int G4PropagatorInField::GetMaxLoopCount()
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{
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return fmax_loop_count;
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}
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inline void G4PropagatorInField::SetMaxLoopCount(G4int new_max)
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{
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fmax_loop_count= new_max;
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}
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// inline void G4PropagatorInField::SetChordFinder(G4ChordFinder* newCF)
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inline G4double G4PropagatorInField::GetDeltaIntersection()
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{ return fDelta_Intersection_Val; }
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inline G4double G4PropagatorInField:: GetDeltaOneStep()
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{ return fDelta_One_Step_Value; }
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// void SetDeltaIntersection(G4double);
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inline void G4PropagatorInField::SetAccuraciesWithDeltaOneStep(G4double valDeltaOneStep)
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{
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fDelta_One_Step_Value= valDeltaOneStep;
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fDelta_Intersection_Val = 0.4 * fDelta_One_Step_Value;
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}
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