00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // 00027 // $Id$ 00028 // 00029 00030 #ifndef G4HEPEvtInterface_h 00031 #define G4HEPEvtInterface_h 1 00032 00033 #include <fstream> 00034 #include <vector> 00035 #include "globals.hh" 00036 #include "G4VPrimaryGenerator.hh" 00037 #include "G4HEPEvtParticle.hh" 00038 00039 class G4PrimaryVertex; 00040 class G4Event; 00041 00042 // class description: 00043 // 00044 // This is a concrete class of G4VPrimaryGenerator. 00045 // This class object reads an ASCII file which contains particles generated 00046 // by a physics generator which supports /HEPEVT/ common block. 00047 // 00048 // The format of ASCII file must be equivalent to the follwing sample fortran 00049 // code. 00050 //*********************************************************** 00051 // SUBROUTINE HEP2G4 00052 //* 00053 //* Output /HEPEVT/ event structure to G4HEPEvtInterface 00054 //* 00055 //*********************************************************** 00056 // PARAMETER (NMXHEP=2000) 00057 // COMMON/HEPEVT/NEVHEP,NHEP,ISTHEP(NMXHEP),IDHEP(NMXHEP), 00058 // >JMOHEP(2,NMXHEP),JDAHEP(2,NMXHEP),PHEP(5,NMXHEP),VHEP(4,NMXHEP) 00059 // DOUBLE PRECISION PHEP,VHEP 00060 //* 00061 // WRITE(6,*) NHEP 00062 // DO IHEP=1,NHEP 00063 // WRITE(6,10) 00064 // > ISTHEP(IHEP),IDHEP(IHEP),JDAHEP(1,IHEP),JDAHEP(2,IHEP), 00065 // > PHEP(1,IHEP),PHEP(2,IHEP),PHEP(3,IHEP),PHEP(5,IHEP) 00066 //10 FORMAT(4I5,4(1X,D15.8)) 00067 // ENDDO 00068 //* 00069 // RETURN 00070 // END 00071 // 00072 // The position and time of the primary interaction must be set by the corresponding 00073 // set methods of G4VPrimaryGenerator base class, otherwise zero will be set. 00074 // 00075 00076 class G4HEPEvtInterface:public G4VPrimaryGenerator 00077 { 00078 public: // with description 00079 G4HEPEvtInterface(char* evfile); 00080 G4HEPEvtInterface(G4String evfile); 00081 // Constructors, "evfile" is the file name (with directory path). 00082 00083 public: 00084 ~G4HEPEvtInterface(); 00085 00086 void GeneratePrimaryVertex(G4Event* evt); 00087 00088 private: 00089 G4String fileName; 00090 std::ifstream inputFile; 00091 std::vector<G4HEPEvtParticle*> HPlist; 00092 }; 00093 00094 #endif 00095