Gabriele Cosmo
172 lines
6.4 KiB
C++
172 lines
6.4 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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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. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// $Id: $
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//
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// -------------------------------------------------------------------
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// File name: G4CrossSectionDataStore
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//
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// Modifications:
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// 23.01.2009 V.Ivanchenko move constructor and destructor to source,
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// use STL vector instead of C-array
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//
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// August 2011 Re-designed
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// by G. Folger, V. Ivantchenko, T. Koi and D.H. Wright
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// Class Description
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// This is the class to which cross section data sets may be registered.
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// An instance of it is contained in each hadronic process, allowing
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// the use of the AddDataSet() method to tailor the cross sections to
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// your application.
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// Class Description - End
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#ifndef G4CrossSectionDataStore_h
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#define G4CrossSectionDataStore_h 1
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#include "globals.hh"
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#include "G4VCrossSectionDataSet.hh"
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#include "G4FastPathHadronicCrossSection.hh"
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#include "G4DynamicParticle.hh"
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#include "G4PhysicsVector.hh"
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#include <vector>
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#include <iostream>
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class G4Nucleus;
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class G4ParticleDefinition;
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class G4Isotope;
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class G4Element;
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class G4Material;
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class G4NistManager;
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class G4CrossSectionDataStore
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{
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public:
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G4CrossSectionDataStore();
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~G4CrossSectionDataStore();
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// Cross section per unit volume is computed (inverse mean free path)
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inline G4double GetCrossSection(const G4DynamicParticle*, const G4Material*);
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// Cross section per element is computed
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G4double GetCrossSection(const G4DynamicParticle*,
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const G4Element*, const G4Material*);
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// Cross section per isotope is computed
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G4double GetCrossSection(const G4DynamicParticle*, G4int Z, G4int A,
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const G4Isotope*,
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const G4Element*, const G4Material*);
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// Sample Z and A of a target nucleus and upload into G4Nucleus
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G4Element* SampleZandA(const G4DynamicParticle*, const G4Material*,
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G4Nucleus& target);
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// Initialisation before run
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void BuildPhysicsTable(const G4ParticleDefinition&);
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// Dump store to G4cout
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void DumpPhysicsTable(const G4ParticleDefinition&);
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// Dump store as html
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void DumpHtml(const G4ParticleDefinition&, std::ofstream&) const;
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void PrintCrossSectionHtml(const G4VCrossSectionDataSet *cs) const;
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inline void AddDataSet(G4VCrossSectionDataSet*);
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inline void SetVerboseLevel(G4int value);
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private:
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G4double GetIsoCrossSection(const G4DynamicParticle*, G4int Z, G4int A,
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const G4Isotope*,
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const G4Element*, const G4Material* aMaterial,
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G4int index);
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G4CrossSectionDataStore & operator=(const G4CrossSectionDataStore &right);
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G4CrossSectionDataStore(const G4CrossSectionDataStore&);
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G4String HtmlFileName(const G4String & in) const;
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G4NistManager* nist;
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std::vector<G4VCrossSectionDataSet*> dataSetList;
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std::vector<G4double> xsecelm;
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std::vector<G4double> xseciso;
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const G4Material* currentMaterial;
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const G4ParticleDefinition* matParticle;
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G4double matKinEnergy;
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G4double matCrossSection;
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const G4Material* elmMaterial;
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const G4Element* currentElement;
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const G4ParticleDefinition* elmParticle;
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G4double elmKinEnergy;
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G4double elmCrossSection;
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G4int nDataSetList;
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G4int verboseLevel;
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//Fast path: caching
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public:
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inline const G4FastPathHadronicCrossSection::fastPathParameters&
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GetFastPathParameters() const { return fastPathParams; }
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inline const G4FastPathHadronicCrossSection::controlFlag&
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GetFastPathControlFlags() const { return fastPathFlags; }
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void DumpFastPath( const G4ParticleDefinition* , const G4Material* , std::ostream& os);
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void ActivateFastPath( const G4ParticleDefinition*, const G4Material* , G4double);
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private:
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friend struct G4FastPathHadronicCrossSection::fastPathEntry;
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//The following method is called by the public one GetCrossSection(const G4DynamicParticle*, const G4Material*)
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//The third parameter is used to force the calculation of cross-sections skipping the fast-path mechanism
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G4double GetCrossSection(const G4DynamicParticle*, const G4Material*, G4bool requiresSlowPath);
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G4FastPathHadronicCrossSection::controlFlag fastPathFlags;
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G4FastPathHadronicCrossSection::fastPathParameters fastPathParams;
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//Counters
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G4FastPathHadronicCrossSection::getCrossSectionCount counters;
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//TODO: share this among threads
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G4FastPathHadronicCrossSection::G4CrossSectionDataStore_Cache fastPathCache;
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G4FastPathHadronicCrossSection::timing timing;
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G4FastPathHadronicCrossSection::G4CrossSectionDataStore_Requests requests;
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};
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inline G4double G4CrossSectionDataStore::GetCrossSection(const G4DynamicParticle* particle , const G4Material* material ) {
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//By default tries to use the fast-path mechanism
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return GetCrossSection( particle , material , false);
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}
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inline void G4CrossSectionDataStore::AddDataSet(G4VCrossSectionDataSet* p)
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{
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dataSetList.push_back(p);
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++nDataSetList;
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}
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inline void G4CrossSectionDataStore::SetVerboseLevel(G4int value)
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{
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verboseLevel = value;
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}
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#endif
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