cascade.cc

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/***********************************************************************
*                                                                      *
* File: cascade.cc                                                     *
* This is a simple test program.                                       *
* based on the example cascade program                                 *
* from the MC School at DESY in April 2008                             *
*                                                                      *
* Modified by sj                                                       *
*                                                                      *
***********************************************************************/

//////////////////////////////////////////////////////////////////////////
// Events are read into the HepMC event record from the FORTRAN HEPEVT 
// common block using the IO_HEPEVT strategy -- nothing is done with them.
// This program is just used to find the total time required to transfer
// from HEPEVT into the HepMC event record.
//////////////////////////////////////////////////////////////////////////


#include <iostream>
#include "HepMC/PythiaWrapper.h"
#include "CascadeWrapper.h"
#include "MyCascadeWrapper.h"
#include "HepMC/IO_HEPEVT.h"
#include "HepMC/IO_Ascii.h"
#include "HepMC/IO_GenEvent.h"
#include "HepMC/GenEvent.h"
#include "PythiaHelper.h"

#include <stdio.h>
#include "HepMC/IO_AsciiParticles.h"
#include "HepMC/SimpleVector.h"

#include "TH1.h"
#include "TFile.h"
#include "TMath.h"
#include <TCanvas.h>

#include "TF1.h"
#include <TH2.h>
#include <TStyle.h>
#include "TLegend.h"
#include <TTree.h>
#include <TString.h>

using namespace std;

// include our own classes
#include "../../include/TopAnalysis.h"
#include "../../include/TauAnalysis.h"
#include "../../include/DiJetAnalysis.h"
#include "../../include/WplusJetAnalysis.h"
#include "../../include/ZAnalysis.h"
#include "../../include/UEAnalysis.h"
#include "readCascadeConfigFile.h"
#include "../../include/Configuration.h"

extern "C" {
  extern struct {
    int Nevent;
  } steer1_;
}
#define steer1 steer1_

int main(int argc, const char* argv[]) { 

  if(argc <= 1 ) {
    std::cout << "Usage: " << argv[0] << " <Configuration File>" << std::endl;
    return 0;
  }


  Configuration* currentconfig = new Configuration();
  if(currentconfig->read(argv[1]))
    {
      std::cout << " ... skip !" << std::endl;
      return 0;
    }   

  DiJetAnalysis dijet;
  WplusJetAnalysis wplusjet;  
  ZAnalysis z0;
  TauAnalysis tau;
  TopAnalysis top;
  UEAnalysis ue;

  // create analysis Objects and initialize them
  if(currentconfig->dijet){
    dijet.Init(currentconfig->max_eta,currentconfig->min_pt);
    dijet.InitJetFinder(currentconfig->coneRadius,currentconfig->overlapThreshold,currentconfig->jet_ptmin);
  }
  
  if(currentconfig->wplusjet){
    wplusjet.Init(currentconfig->max_eta,currentconfig->min_pt);
    wplusjet.InitJetFinder(currentconfig->coneRadius,currentconfig->overlapThreshold,currentconfig->jet_ptmin);
  }
  
  if(currentconfig->z){
    z0.Init(currentconfig->max_eta,currentconfig->min_pt);
    z0.InitJetFinder(currentconfig->coneRadius,currentconfig->overlapThreshold,currentconfig->jet_ptmin);
  }
  if(currentconfig->tau){
    tau.Init(currentconfig->max_eta,currentconfig->min_pt);
    tau.InitJetFinder(currentconfig->coneRadius,currentconfig->overlapThreshold,currentconfig->jet_ptmin);
  }
  if(currentconfig->top){  
    top.Init(currentconfig->max_eta,currentconfig->min_pt);
    top.InitJetFinder(currentconfig->coneRadius,currentconfig->overlapThreshold,currentconfig->jet_ptmin);
  }
  if(currentconfig->ue){
    ue.Init(currentconfig->max_eta,currentconfig->min_pt);
    ue.InitJetFinder(currentconfig->coneRadius,currentconfig->overlapThreshold,currentconfig->jet_ptmin);
  }

  //
  //........................................HEPEVT
  // CASCADE (via PYTHIA6) uses HEPEVT with 10000 entries and 
  // 8-byte floating point numbers. We need to explicitly pass
  // this information to the HEPEVT_Wrapper.
  //
  //    HepMC::HEPEVT_Wrapper::set_sizeof_int(4);
  //    HepMC::HEPEVT_Wrapper::set_sizeof_real(8);
  //    HepMC::HEPEVT_Wrapper::set_max_number_entries(10000);
  //
  pyjets.n=0;     // ensure dummyness of the next call
  call_pyhepc(1); // mstu(8) is set to NMXHEP in this dummy call (version >=6.404)
  //HepMC::HEPEVT_Wrapper::set_max_number_entries(pydat1.mstu[8-1]);
  HepMC::HEPEVT_Wrapper::set_max_number_entries(10000);
  HepMC::HEPEVT_Wrapper::set_sizeof_real(8);
  
  //    
  //    initPythia();
  //........................................CASCADE INITIALIZATIONS
  //  call_rluxgo(lux,iseed,k1,k2)
  // lux = luxory level
  // iseed = seed for random number generator
  //    call_rluxgo(4,87777886,0,0);
  //--initialise CASCADE parameters

  call_casini();

  //call steering
  //call_steer();

  //-- change standard parameters of CASCADE
  call_cascha();
  
  //change cascade parameters
  std::vector< std::string > cascade_commands;
  // read in commandlines
  for (unsigned int files=0; files<(currentconfig->ConfigFileNames).size(); files++)
    readConfigFile((currentconfig->ConfigFileNames)[files]);

  //-- change standard parameters of JETSET/PYTHIA
  call_pytcha();

  //-- set up for running CASCADE  
  call_cascade();

  //-- print result from integration
  call_caend(1);   

  //
  //........................................HepMC INITIALIZATIONS
  //
  // Instantiate an IO strategy for reading from HEPEVT.
  HepMC::IO_HEPEVT hepevtio;
  //
  // Instantial an IO strategy to write the data to file - it uses the 
  //  same ParticleDataTable
  //HepMC::IO_GenEvent ascii_io("example_MyCASCADE.dat",std::ios::out);
  //
  //........................................EVENT LOOP
  //int Nevent = steer1.Nevent;
  int Nevent = currentconfig->nevents;

  for ( int iEvent = 1; iEvent <= Nevent; iEvent++ ) {
    if ( iEvent==1 || iEvent%100==0 ) std::cout << "Processing Event Number " 
                                      << iEvent << std::endl;
    call_event();      // generate one event with CASCADE

    // pythia pyhepc routine convert common PYJETS in common HEPEVT
    call_pyhepc( 1 );
    HepMC::GenEvent* hepmcevt = hepevtio.read_next_event();
    //
    // add some information to the event
    hepmcevt->set_event_number(iEvent);
    hepmcevt->set_signal_process_id(11);

    int ret_dijet = SUCCESS;
    int ret_wplusjet = SUCCESS;
    int ret_z0 = SUCCESS;
    int ret_tau = SUCCESS;
    int ret_top = SUCCESS;
    int ret_ue = SUCCESS;

    //call analysis
    if(currentconfig->dijet)       ret_dijet = dijet.Process(hepmcevt);
    if(currentconfig->wplusjet)    ret_wplusjet = wplusjet.Process(hepmcevt);
    if(currentconfig->z)           ret_z0 = z0.Process(hepmcevt);
    if(currentconfig->tau)  ret_tau = tau.Process(hepmcevt);
    if(currentconfig->top)  ret_top = top.Process(hepmcevt);
    if(currentconfig->ue)   ret_ue = ue.Process(hepmcevt);

   if (ret_dijet==FAILURE || ret_wplusjet==FAILURE || ret_z0==FAILURE 
        || ret_tau==FAILURE || ret_top==FAILURE || ret_ue==FAILURE)
     {
        std::cout << "Processing event number " << iEvent << std::endl;    
        std::cout << "throw FAILURE"<<std::endl;
        //std::cout<<std::endl;
        //std::cout<<"HepMC Output"<<std::endl;
        //hepmcevt->print();
        std::cout<<std::endl;
     }

    //// write the event out to the ascii file
    //ascii_io << hepmcevt;
    
    //delete all the jet objects to be free for the next event
    if(currentconfig->dijet)       dijet.DeleteJetObject(hepmcevt);
    if(currentconfig->wplusjet)    wplusjet.DeleteJetObject(hepmcevt);
    if(currentconfig->z)         z0.DeleteJetObject(hepmcevt);
    if(currentconfig->tau)       tau.DeleteJetObject(hepmcevt);
    if(currentconfig->top)       top.DeleteJetObject(hepmcevt);
    if(currentconfig->ue)        ue.DeleteJetObject(hepmcevt);

    // we also need to delete the created event from memory
    delete hepmcevt;

  }
  //........................................TERMINATION
  //  Print out of generated event summary
  call_caend(2);
  // write out some information from Pythia to the screen
  //    call_pystat( 1 );    
  
  TFile* f = new TFile(currentconfig->OutputFileName.c_str(),"RECREATE");
  if(currentconfig->dijet)       dijet.Finalize(f);
  if(currentconfig->wplusjet)    wplusjet.Finalize(f);
  if(currentconfig->z)         z0.Finalize(f);
  if(currentconfig->tau)       tau.Finalize(f);
  if(currentconfig->top)       top.Finalize(f);
  if(currentconfig->ue)       ue.finalize(f);
  
  std::cout<<"cascade: program ends"<<std::endl;
  f->Close();

  // Done.
  return 0;
}

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