Gabriele Cosmo
269 lines
8.3 KiB
C++
269 lines
8.3 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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// $Id: G4EmModelManager.hh,v 1.13 2003/11/03 19:37:59 vnivanch 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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//
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// GEANT4 Class header file
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//
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//
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// File name: G4EmModelManager
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//
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// Author: Vladimir Ivanchenko
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//
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// Creation date: 07.05.2002
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//
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// Modifications:
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//
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// 03-12-02 V.Ivanchenko fix a bug in model selection
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// 20-01-03 Migrade to cut per region (V.Ivanchenko)
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// 27-01-03 Make models region aware (V.Ivanchenko)
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// 13-02-03 The set of models is defined for region (V.Ivanchenko)
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// 26-03-03 Add GetDEDXDispersion (V.Ivanchenko)
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// 13-04-03 Add startFromNull (V.Ivanchenko)
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// 13-05-03 Add calculation of precise range (V.Ivanchenko)
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// 21-07-03 Add UpdateEmModel method (V.Ivanchenko)
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// 03-11-03 Substitute STL vector for G4RegionModels (V.Ivanchenko)
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//
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// Class Description:
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//
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// It is the unified energy loss process it calculates the continuous
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// energy loss for charged particles using a set of Energy Loss
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// models valid for different energy regions. There are a possibility
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// to create and access to dE/dx and range tables, or to calculate
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// that information on fly.
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// -------------------------------------------------------------------
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//
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#ifndef G4EmModelManager_h
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#define G4EmModelManager_h 1
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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#include "globals.hh"
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#include "G4DataVector.hh"
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class G4RegionModels
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{
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friend class G4EmModelManager;
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public:
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private:
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G4RegionModels(G4int nMod, std::vector<G4int>& list, G4DataVector& lowE);
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~G4RegionModels();
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G4int SelectIndex(G4double e) const {
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G4int idx = 0;
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if (nModelsForRegion>1) {
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idx = nModelsForRegion;
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do {idx--;} while (idx && e <= lowKineticEnergy[idx]);
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}
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return theListOfModelIndexes[idx];
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};
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G4int ModelIndex(G4int n) const {
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return theListOfModelIndexes[n];
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};
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G4int NumberOfModels() const {
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return nModelsForRegion;
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};
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G4int nModelsForRegion;
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G4int* theListOfModelIndexes;
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G4double* lowKineticEnergy;
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};
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#include "G4VEmModel.hh"
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#include "G4VEmFluctuationModel.hh"
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#include "G4DynamicParticle.hh"
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class G4Region;
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class G4ParticleDefinition;
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class G4DataVector;
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class G4PhysicsVector;
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class G4MaterialCutsCouple;
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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class G4EmModelManager
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{
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public:
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G4EmModelManager();
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~G4EmModelManager();
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void Clear();
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const G4DataVector* Initialise(const G4ParticleDefinition*,
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const G4ParticleDefinition*,
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G4double,
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G4int);
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const G4DataVector* Cuts() const;
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const G4DataVector* SubCutoff() const;
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void FillDEDXVector(G4PhysicsVector*, const G4MaterialCutsCouple*);
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void FillDEDXVectorForPreciseRange(G4PhysicsVector*, const G4MaterialCutsCouple*);
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void FillLambdaVector(G4PhysicsVector*, const G4MaterialCutsCouple*,
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G4bool startFromNull = true);
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void FillSubLambdaVector(G4PhysicsVector*, const G4MaterialCutsCouple*,
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G4bool startFromNull = true);
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G4VEmModel* SelectModel(G4double& energy, size_t& index);
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G4double SampleFluctuations(const G4Material* material,
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const G4DynamicParticle* dp,
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G4double& tmax,
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G4double& length,
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G4double& eloss,
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G4double& preStepKinEnergy,
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size_t& index);
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G4double GetDEDXDispersion( const G4Material* material,
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const G4DynamicParticle* dp,
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G4double& tmax,
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G4double& length,
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size_t& index);
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void AddEmModel(G4int, G4VEmModel*, G4VEmFluctuationModel*, const G4Region*);
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void UpdateEmModel(const G4String&, G4double, G4double);
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private:
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// hide assignment operator
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G4EmModelManager(G4EmModelManager &);
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G4EmModelManager & operator=(const G4EmModelManager &right);
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// =====================================================================
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private:
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G4DataVector theCuts;
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G4DataVector theSubCuts;
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std::vector<G4VEmModel*> models;
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std::vector<G4VEmFluctuationModel*> flucModels;
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std::vector<const G4Region*> regions;
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std::vector<G4int> orderOfModels;
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G4DataVector upperEkin;
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G4int nEmModels;
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G4int nRegions;
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G4int nCouples;
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G4int* idxOfRegionModels;
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G4RegionModels** setOfRegionModels;
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G4double minSubRange;
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const G4ParticleDefinition* particle;
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const G4ParticleDefinition* secondaryParticle;
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G4int verboseLevel;
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// cash
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G4int currentIdx;
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};
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4VEmModel* G4EmModelManager::SelectModel(G4double& kinEnergy, size_t& index)
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{
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currentIdx = (setOfRegionModels[idxOfRegionModels[index]])->SelectIndex(kinEnergy);
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return models[currentIdx];
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4double G4EmModelManager::SampleFluctuations(
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const G4Material* material,
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const G4DynamicParticle* dp,
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G4double& tmax,
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G4double& length,
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G4double& eloss,
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G4double& kinEnergy,
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size_t& index)
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{
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currentIdx = (setOfRegionModels[idxOfRegionModels[index]])->SelectIndex(kinEnergy);
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G4VEmFluctuationModel* fm = flucModels[currentIdx];
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G4double x = eloss;
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if(fm) x = fm->SampleFluctuations(material,dp,tmax,length,eloss);
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return x;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline G4double G4EmModelManager::GetDEDXDispersion(
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const G4Material* material,
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const G4DynamicParticle* dp,
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G4double& tmax,
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G4double& length,
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size_t& index)
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{
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currentIdx = (setOfRegionModels[idxOfRegionModels[index]])
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->SelectIndex(dp->GetKineticEnergy());
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G4VEmFluctuationModel* fm = flucModels[currentIdx];
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G4double x = 0.0;
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if(fm) x = fm->Dispersion(material,dp,tmax,length);
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return x;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline const G4DataVector* G4EmModelManager::Cuts() const
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{
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return &theCuts;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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inline const G4DataVector* G4EmModelManager::SubCutoff() const
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{
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return &theSubCuts;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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#endif
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