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This commit is contained in:
Gabriele Cosmo
2016-06-08 15:55:53 +02:00
parent e7d7193284
commit cfcb558cfe
3050 changed files with 91703 additions and 48310 deletions
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source/processes/electromagnetic/xrays/src/G4Cerenkov.cc
+31 -11
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@@ -5,8 +5,8 @@
// based on the Program) you indicate your acceptance of this statement,
// and all its terms.
//
// $Id: G4Cerenkov.cc,v 1.7 1999/12/15 14:52:05 gunter Exp $
// GEANT4 tag $Name: geant4-02-00 $
// $Id: G4Cerenkov.cc,v 1.9 2000/11/13 01:09:48 gum Exp $
// GEANT4 tag $Name: geant4-03-00 $
//
////////////////////////////////////////////////////////////////////////
// Cerenkov Radiation Class Implementation
@@ -17,11 +17,19 @@
// Version: 2.1
// Created: 1996-02-21
// Author: Juliet Armstrong
// Updated: 1999-10-29 by Peter Gumplinger
// Updated: 2000-11-12 by Peter Gumplinger
// > add check on CerenkovAngleIntegrals->IsFilledVectorExist()
// in method GetAverageNumberOfPhotons
// > and a test for MeanNumPhotons <= 0.0 in DoIt
// 2000-09-18 by Peter Gumplinger
// > change: aSecondaryPosition=x0+rand*aStep.GetDeltaPosition();
// aSecondaryTrack->SetTouchable(0);
// 1999-10-29 by Peter Gumplinger
// > change: == into <= in GetContinuousStepLimit
// 1997-08-08 by Peter Gumplinger
// > add protection against /0
// > G4MaterialPropertiesTable; new physics/tracking scheme
//
// mail: gum@triumf.ca
//
////////////////////////////////////////////////////////////////////////
@@ -70,7 +78,7 @@ G4Cerenkov::G4Cerenkov(const G4String& processName)
G4Cerenkov::~G4Cerenkov()
{
if (thePhysicsTable!= NULL) {
if (thePhysicsTable != NULL) {
thePhysicsTable->clearAndDestroy();
delete thePhysicsTable;
}
@@ -103,11 +111,11 @@ G4Cerenkov::AlongStepDoIt(const G4Track& aTrack, const G4Step& aStep)
const G4DynamicParticle* aParticle = aTrack.GetDynamicParticle();
const G4Material* aMaterial = aTrack.GetMaterial();
G4StepPoint* pPreStepPoint = aStep.GetPreStepPoint();
G4StepPoint* pPreStepPoint = aStep.GetPreStepPoint();
G4StepPoint* pPostStepPoint = aStep.GetPostStepPoint();
G4ThreeVector x0 = pPreStepPoint->GetPosition();
G4ThreeVector p0 = pPreStepPoint->GetMomentumDirection();
G4ThreeVector p0 = aStep.GetDeltaPosition().unit();
G4double t0 = pPreStepPoint->GetGlobalTime();
G4MaterialPropertiesTable* aMaterialPropertiesTable =
@@ -123,6 +131,16 @@ G4Cerenkov::AlongStepDoIt(const G4Track& aTrack, const G4Step& aStep)
G4double MeanNumPhotons =
GetAverageNumberOfPhotons(aParticle,aMaterial,Rindex);
if (MeanNumPhotons <= 0.0) {
// return unchanged particle and no secondaries
aParticleChange.SetNumberOfSecondaries(0);
return G4VContinuousProcess::AlongStepDoIt(aTrack, aStep);
}
G4double step_length;
step_length = aStep.GetStepLength();
@@ -242,20 +260,20 @@ G4Cerenkov::AlongStepDoIt(const G4Track& aTrack, const G4Step& aStep)
rand = G4UniformRand();
G4double delta = rand * aStep.GetStepLength();
G4ThreeVector aSecondaryPosition = x0 + delta * p0;
G4double delta = rand * aStep.GetStepLength();
G4double deltaTime = delta /
((pPreStepPoint->GetVelocity()+
pPostStepPoint->GetVelocity())/2.);
G4double aSecondaryTime = t0 + deltaTime;
G4ThreeVector aSecondaryPosition =
x0 + rand * aStep.GetDeltaPosition();
G4Track* aSecondaryTrack =
new G4Track(aCerenkovPhoton,aSecondaryTime,aSecondaryPosition);
aSecondaryTrack->SetTouchable(pPreStepPoint->
GetTouchable());
aSecondaryTrack->SetTouchable(0);
aSecondaryTrack->SetParentID(aTrack.GetTrackID());
@@ -440,6 +458,8 @@ G4Cerenkov::GetAverageNumberOfPhotons(const G4DynamicParticle* aParticle,
G4PhysicsOrderedFreeVector* CerenkovAngleIntegrals =
(G4PhysicsOrderedFreeVector*)((*thePhysicsTable)(materialIndex));
if(!(CerenkovAngleIntegrals->IsFilledVectorExist()))return 0.0;
// Min and Max photon momenta
G4double Pmin = Rindex->GetMinPhotonMomentum();
G4double Pmax = Rindex->GetMaxPhotonMomentum();