Import Geant4 11.0.0.beta source tree
This commit is contained in:
Gabriele Cosmo
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//
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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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//
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//
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#ifndef G4ExcitedString_h
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#define G4ExcitedString_h 1
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// ------------------------------------------------------------
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// GEANT 4 class header file
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//
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// ---------------- G4ExcitedString ----------------
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// by Gunter Folger, June 1998.
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// class for an excited string used by Parton String Models
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// ------------------------------------------------------------
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#include "G4ios.hh"
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#include "globals.hh"
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#include "G4ThreeVector.hh"
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#include "G4LorentzVector.hh"
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#include "G4LorentzRotation.hh"
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#include "G4Parton.hh"
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#include "G4PartonVector.hh"
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#include "G4KineticTrack.hh"
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#include "G4HadronicException.hh"
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#include <algorithm>
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class G4ExcitedString
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{
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public:
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enum {
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PROJECTILE = 1,
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TARGET = -1
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};
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G4ExcitedString(G4Parton* Color, G4Parton* Gluon, G4Parton* AntiColor, G4int Direction=PROJECTILE);
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G4ExcitedString(G4Parton* Color, G4Parton* AntiColor, G4int Direction=PROJECTILE);
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G4ExcitedString(G4KineticTrack * atrack);
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~G4ExcitedString();
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private:
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G4ExcitedString(const G4ExcitedString &right);
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G4ExcitedString& operator= (const G4ExcitedString &right);
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public:
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G4bool operator==(const G4ExcitedString &right) const;
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G4bool operator!=(const G4ExcitedString &right) const;
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public:
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G4double GetTimeOfCreation() const;
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void SetTimeOfCreation(G4double aTime);
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const G4ThreeVector & GetPosition() const;
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void SetPosition(const G4ThreeVector &aPosition);
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const G4PartonVector * GetPartonList() const;
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G4LorentzVector Get4Momentum() const;
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void LorentzRotate(const G4LorentzRotation & rotation);
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void InsertParton(G4Parton * aParton, const G4Parton * addafter = NULL);
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G4LorentzRotation TransformToCenterOfMass();
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G4LorentzRotation TransformToAlignedCms();
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void Boost(G4ThreeVector& Velocity);
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G4Parton* GetColorParton(void) const;
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G4Parton* GetGluon(void) const;
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G4Parton* GetAntiColorParton(void) const;
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G4Parton* GetGluon(G4int GluonPos) const;
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G4KineticTrack * GetKineticTrack() const;
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G4Parton* GetLeftParton(void) const;
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G4Parton* GetRightParton(void) const;
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G4bool IsItKinkyString(void) const;
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G4int GetDirection(void) const;
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G4bool IsExcited() const;
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private:
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G4int theDirection; // must be 1 or -1 (PROJECTILE or TARGET)
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G4double theTimeOfCreation;
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G4ThreeVector thePosition;
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G4PartonVector thePartons; // would like initial capacity for 3 Partons.
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G4KineticTrack* theTrack;
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};
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inline
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G4bool G4ExcitedString::operator==(const G4ExcitedString &right) const
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{
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return this == &right;
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}
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inline
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G4bool G4ExcitedString::operator!=(const G4ExcitedString &right) const
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{
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return this != &right;
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}
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inline
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G4double G4ExcitedString::GetTimeOfCreation() const
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{
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return theTimeOfCreation;
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}
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inline
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void G4ExcitedString::SetTimeOfCreation(G4double aTime)
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{
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theTimeOfCreation=aTime;
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}
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inline
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const G4ThreeVector & G4ExcitedString::GetPosition() const
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{
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return thePosition;
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}
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inline
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void G4ExcitedString::SetPosition(const G4ThreeVector &aPosition)
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{
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thePosition= aPosition;
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}
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inline
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G4LorentzVector G4ExcitedString::Get4Momentum() const
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{
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G4LorentzVector momentum;
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if ( IsExcited() )
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{
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for ( unsigned int index=0; index < thePartons.size() ; index++ )
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{
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// std::cout << "HPW "<<thePartons[index]->Get4Momentum()<<std::endl;
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momentum += thePartons[index]->Get4Momentum();
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}
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}
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else
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{
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momentum=theTrack->Get4Momentum();
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}
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return momentum;
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}
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inline
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void G4ExcitedString::LorentzRotate(const G4LorentzRotation & rotation)
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{
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if ( IsExcited() )
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{
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for ( unsigned int index=0; index < thePartons.size() ; index++ )
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{
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thePartons[index]->Set4Momentum(rotation*thePartons[index]->Get4Momentum());
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}
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}
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else
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{
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theTrack->Set4Momentum(rotation*theTrack->Get4Momentum());
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}
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}
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inline
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void G4ExcitedString::InsertParton(G4Parton *aParton, const G4Parton * addafter)
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{
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G4PartonVector::iterator insert_index;
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if ( addafter != NULL )
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{
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insert_index=std::find(thePartons.begin(), thePartons.end(), addafter);
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if ( insert_index == thePartons.end() ) // No object addafter in thePartons
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{
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G4String text = "G4ExcitedString::InsertParton called with invalid second argument";
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throw G4HadronicException(__FILE__, __LINE__, text);
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}
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}
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thePartons.insert(insert_index+1, aParton);
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}
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inline
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G4LorentzRotation G4ExcitedString::TransformToCenterOfMass()
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{
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G4LorentzVector momentum=Get4Momentum();
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G4LorentzRotation toCms(-1*momentum.boostVector());
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if ( IsExcited() )
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{
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for ( unsigned int index=0; index < thePartons.size() ; index++ )
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{
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momentum=toCms * thePartons[index]->Get4Momentum();
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thePartons[index]->Set4Momentum(momentum);
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}
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}
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else
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{
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momentum*=toCms;
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theTrack->Set4Momentum(momentum);
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}
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return toCms;
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}
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inline
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G4LorentzRotation G4ExcitedString::TransformToAlignedCms()
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{
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G4LorentzVector momentum=Get4Momentum();
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G4LorentzRotation toAlignedCms(-1*momentum.boostVector());
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momentum= toAlignedCms* thePartons[0]->Get4Momentum();
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toAlignedCms.rotateZ(-1*momentum.phi());
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toAlignedCms.rotateY(-1*momentum.theta());
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for ( unsigned int index=0; index < thePartons.size() ; index++ )
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{
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momentum=toAlignedCms * thePartons[index]->Get4Momentum();
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thePartons[index]->Set4Momentum(momentum);
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}
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return toAlignedCms;
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}
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inline
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const G4PartonVector * G4ExcitedString::GetPartonList() const
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{
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return &thePartons;
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}
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inline
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G4KineticTrack * G4ExcitedString::GetKineticTrack() const
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{
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return theTrack;
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}
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inline
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G4bool G4ExcitedString::IsExcited() const
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{
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return theTrack == 0;
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}
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#endif
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