g3Config_new.C

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/********************************************************************************
 *    Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH    *
 *                                                                              *
 *              This software is distributed under the terms of the             *
 *              GNU Lesser General Public Licence (LGPL) version 3,             *
 *                  copied verbatim in the file "LICENSE"                       *
 ********************************************************************************/
// $Id: g3Config.C,v 1.1.1.1 2005/06/23 07:14:09 dbertini Exp $
//
// Configuration macro for Geant3 VirtualMC

void Config()
{
    FairRunSim* fRun = FairRunSim::Instance();
    TString* gModel = fRun->GetGeoModel();
    TGeant3* geant3 = NULL;
    if (strncmp(gModel->Data(), "TGeo", 4) == 0) {
        geant3 = new TGeant3TGeo("C++ Interface to Geant3");
        cout << "-I- G3Config: Geant3 with TGeo has been created." << endl;
    } else {
        geant3 = new TGeant3("C++ Interface to Geant3");
        cout << "-I- G3Config: Geant3 native has been created." << endl;
    }
    // create Fair Specific Stack
    FairStack* st = new FairStack();
    st->SetMinPoints(0);
    geant3->SetStack(st);

    // ******* Geant3 configuration for simulated Runs  *******
    geant3->SetTRIG(1);   // Number of events to be processed
    geant3->SetSWIT(4, 100);
    geant3->SetDEBU(0, 0, 1);
    geant3->SetDCAY(1);
    geant3->SetPAIR(1);
    geant3->SetCOMP(1);
    geant3->SetPHOT(1);
    geant3->SetPFIS(0);   //
    geant3->SetDRAY(1);
    geant3->SetANNI(1);
    geant3->SetBREM(1);
    geant3->SetMUNU(1);
    geant3->SetCKOV(1);
    geant3->SetHADR(3);   // Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3) //5==GCALOR
    geant3->SetLOSS(1);
    geant3->SetMULS(1);
    geant3->SetRAYL(1);
    geant3->SetSTRA(1);

    geant3->SetAUTO(0);   // Select automatic STMIN etc... calc. (AUTO 1) or manual (AUTO 0)
    geant3->SetABAN(0);   // Restore 3.16 behaviour for abandoned tracks
    geant3->SetOPTI(2);   // Select optimisation level for GEANT geometry searches (0,1,2)
    geant3->SetERAN(5.e-7);

    Float_t cut = 1. e - 3;   // 1MeV cut by default
    Float_t tofmax = 1.e10;
    // Float_t cut2 =  1.e-10; // 1 keV?
    Float_t cut2 = cut;
    Float_t cut3 = 50.e-6;   // Threshold for delta electrons

    Float_t cut5[5] = {0, 0, 0, 0, 0};
    // set cuts here
    //             GAM ELEC NHAD CHAD MUON EBREM MUHAB EDEL MUDEL MUPA TOFMAX
    //    geant3->SetCUTS(cut2, cut2, cut2, cut2, cut, cut2, cut2, cut3, cut2, cut2,
    //                    tofmax);
    geant3->SetCUTS(cut2, cut2, cut2, cut2, cut, cut2, cut2, cut2, cut2, cut2, tofmax, cut5);
}