Gabriele Cosmo
78 lines
2.2 KiB
C++
78 lines
2.2 KiB
C++
// 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: G4HEPEvtInterface.hh,v 1.4 1999/12/15 14:49:38 gunter Exp $
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// GEANT4 tag $Name: geant4-01-01 $
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//
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#ifndef G4HEPEvtInterface_h
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#define G4HEPEvtInterface_h 1
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#include "g4std/fstream"
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#include "g4rw/tpordvec.h"
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#include "globals.hh"
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#include "G4VPrimaryGenerator.hh"
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#include "G4HEPEvtParticle.hh"
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class G4PrimaryVertex;
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class G4Event;
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// class description:
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//
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// This is a concrete class of G4VPrimaryGenerator.
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// This class object reads an ASCII file which contains particles generated
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// by a physics generator which supports /HEPEVT/ common block.
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//
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// The format of ASCII file must be equivalent to the follwing sample fortran
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// code.
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//***********************************************************
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// SUBROUTINE HEP2G4
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//*
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//* Output /HEPEVT/ event structure to G4HEPEvtInterface
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//*
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//***********************************************************
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// PARAMETER (NMXHEP=2000)
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// COMMON/HEPEVT/NEVHEP,NHEP,ISTHEP(NMXHEP),IDHEP(NMXHEP),
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// >JMOHEP(2,NMXHEP),JDAHEP(2,NMXHEP),PHEP(5,NMXHEP),VHEP(4,NMXHEP)
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// DOUBLE PRECISION PHEP,VHEP
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//*
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// WRITE(6,*) NHEP
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// DO IHEP=1,NHEP
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// WRITE(6,10)
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// > ISTHEP(IHEP),IDHEP(IHEP),JDAHEP(1,IHEP),JDAHEP(2,IHEP),
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// > PHEP(1,IHEP),PHEP(2,IHEP),PHEP(3,IHEP),PHEP(5,IHEP)
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//10 FORMAT(4I5,4(1X,D15.8))
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// ENDDO
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//*
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// RETURN
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// END
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//
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// The position and time of the primary interaction must be set by the corresponding
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// set methods of G4VPrimaryGenerator base class, otherwise zero will be set.
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//
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class G4HEPEvtInterface:public G4VPrimaryGenerator
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{
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public: // with description
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G4HEPEvtInterface(char* evfile);
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G4HEPEvtInterface(G4String evfile);
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// Constructors, "evfile" is the file name (with directory path).
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public:
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~G4HEPEvtInterface();
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void GeneratePrimaryVertex(G4Event* evt);
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private:
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G4String fileName;
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G4std::ifstream inputFile;
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G4RWTPtrOrderedVector<G4HEPEvtParticle> HPlist;
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};
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#endif
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