EXP1803

void exp1803_sim_digi(Int_t nEvents = 10000) {

  // --------------- Telescope T1 -------------------------------------------

  Double_t T1Dl = 0.5;         // [cm]      

  Double_t T1PosZ = 10.;       // [cm] 

  Double_t T1D1Thick = 0.002;  // [cm]  

  Double_t T1D2Thick = 0.1;    // [cm] 

  Double_t T1Side = 6.2;       // [cm]  this parameter should coincide with SD1 side length from /db/QTelescope/QTelescopeParts.xml

  Double_t T1Aperture = 3.1;   // [cm]  

  // --------------- Telescope D1 -------------------------------------------

  Double_t D1PosZ = 20.;       // [cm]

  Double_t D1Thick = 0.03;     // [cm]

  // --------------- BeamDet ------------------------------------------------

  Double_t BeamDetLToF = 1500.;     // [cm] 

  Double_t BeamDetPosZToF = -50;  // [cm] 

  Double_t BeamDetLMWPC = 32.;     // [cm]

  Double_t BeamDetPosZMWPC = -8;  // [cm]  

  // --------------- Beam start position ------------------------------------

  Double_t beamStartPosition = -40;  // [cm]

  // --------------- Target -------------------------------------------------

  Double_t targetH2Thickness = 0.4;  // [cm] this parameter should coincide with target H2 thickness in /macro/geo/create_target_h2_geo.C

  //---------------------Files-----------------------------------------------

  TString outFile= "/store/ivan/EXP1803/temp/sim.root";

  TString parFile= "/store/ivan/EXP1803/temp/par.root";

  TString workDirPath = gSystem->Getenv("VMCWORKDIR");

  TString paramFileQTelescope = workDirPath

                         + "/db/QTelescope/QTelescopeParts.xml";

  TString paramFileBeamDet = workDirPath

                         + "/db/BeamDet/BeamDetParts.xml";

  TString targetGeoFileName = workDirPath + "/geometry/target.h2.geo.root";

  TString gadastGeoFileName = workDirPath + "/geometry/partOfGadast.v1.geo.root";

  TString ndGeoFileName = workDirPath + "/geometry/ND.geo.root";

  TString magnetGeoFileName = workDirPath + "/geometry/magnet.geo.root";

  // ------------------------------------------------------------------------

  // -----   Timer   --------------------------------------------------------

  TStopwatch timer; 

  timer.Start();

  // ------------------------------------------------------------------------

  // -----   Create simulation run   ----------------------------------------

  ERRunSim* run = new ERRunSim();

  /** Select transport engine

  * TGeant3

  * TGeant4

  **/

  run->SetName("TGeant4");              // Transport engine

  run->SetOutputFile(outFile.Data());          // Output file

  // ------------------------------------------------------------------------

  // -----   Runtime database   ---------------------------------------------

  FairRuntimeDb* rtdb = run->GetRuntimeDb();

    //-------- Set MC event header --------------------------------------------

  ERDecayMCEventHeader* decayMCheader = new ERDecayMCEventHeader();

  run->SetMCEventHeader(decayMCheader);

  // -----   Create media   -------------------------------------------------

  run->SetMaterials("media.geo");       // Materials

  // -----   Create detectors  ----------------------------------------------   

  FairModule* cave= new ERCave("CAVE");

  cave->SetGeometryFileName("cave.geo");

  run->AddModule(cave);

  Int_t verbose = 0;

  // -----  BeamDet Setup ---------------------------------------------------

  ERBeamDetSetup* setupBeamDet = ERBeamDetSetup::Instance();

  setupBeamDet->SetXmlParametersFile(paramFileBeamDet);

  // -----  BeamDet parameters ----------------------------------------------

  setupBeamDet->AddToF("ToF1", BeamDetPosZToF - BeamDetLToF);       // 

  setupBeamDet->AddToF("ToF1", BeamDetPosZToF);                     //  BeamDet parts should be added in ascending order   

  setupBeamDet->AddMWPC("MWPC1", BeamDetPosZMWPC - BeamDetLMWPC);   //  of Z-coordinate of part.

  setupBeamDet->AddMWPC("MWPC1", BeamDetPosZMWPC);                  // 

  //setupBeamDet->SetSensitiveTarget();

  // -----   Create target  -------------------------------------------------

  FairModule* target = new ERTarget("targetH2", kTRUE, 1);

  target->SetGeometryFileName(targetGeoFileName);

  run->AddModule(target);

  // -----   Create Part of Gadast ------------------------------------------

  ERGadast* gadast = new ERGadast("PartofGadast", kTRUE, 1);

  gadast->SetGeometryFileName(gadastGeoFileName);

  run->AddModule(gadast);

  // -----   Create Stilbene wall -------------------------------------------

  ERND* neutronDetector = new ERND("StilbeneWall", kTRUE, 1);

  neutronDetector->SetGeometryFileName(ndGeoFileName);

  run->AddModule(neutronDetector);

  // -----   Create Magnet geometry -----------------------------------------

  FairModule* magnet = new ERTarget("magnet", 1, kTRUE);

  magnet->SetGeometryFileName(magnetGeoFileName);

  run->AddModule(magnet);

  // -----  QTelescope Setup ------------------------------------------------

  ERQTelescopeSetup* setupQTelescope = ERQTelescopeSetup::Instance();

  setupQTelescope->SetXmlParametersFile(paramFileQTelescope);

  // ----- T1 parameters ----------------------------------------------------

  // ----- T1.1--------------------------------------------------------------

  setupQTelescope->AddSi("DoubleSi_SD1", TVector3( T1Side/2 + T1Aperture/2, 

                                                   T1Side/2 - T1Aperture/2,  

                                                   T1PosZ + T1D1Thick/2), "X");

  setupQTelescope->AddSi("DoubleSi_SD2", TVector3( T1Side/2 + T1Aperture/2, 

                                                   T1Side/2 - T1Aperture/2,  

                                                   T1PosZ + T1D1Thick +T1Dl + T1D2Thick/2), "X");

  // ----- T1.2--------------------------------------------------------------

  setupQTelescope->AddSi("DoubleSi_SD1", TVector3( T1Side/2 - T1Aperture/2, 

                                                  -T1Side/2 - T1Aperture/2,  

                                                   T1PosZ + T1D1Thick/2), "X");

  setupQTelescope->AddSi("DoubleSi_SD2", TVector3( T1Side/2 - T1Aperture/2, 

                                                  -T1Side/2 - T1Aperture/2,  

                                                   T1PosZ + T1D1Thick +T1Dl + T1D2Thick/2), "X");

  // ----- T1.3 -------------------------------------------------------------

  setupQTelescope->AddSi("DoubleSi_SD1", TVector3(-T1Side/2 - T1Aperture/2, 

                                                  -T1Side/2 + T1Aperture/2,  

                                                   T1PosZ + T1D1Thick/2), "X");

  setupQTelescope->AddSi("DoubleSi_SD2", TVector3(-T1Side/2 - T1Aperture/2, 

                                                  -T1Side/2 + T1Aperture/2,  

                                                   T1PosZ + T1D1Thick +T1Dl + T1D2Thick/2), "X");

  // ----- T1.4--------------------------------------------------------------

  setupQTelescope->AddSi("DoubleSi_SD1", TVector3(-T1Side/2 + T1Aperture/2, 

                                                   T1Side/2 + T1Aperture/2,  

                                                   T1PosZ + T1D1Thick/2), "X");

  setupQTelescope->AddSi("DoubleSi_SD2", TVector3(-T1Side/2 + T1Aperture/2, 

                                                   T1Side/2 + T1Aperture/2,  

                                                   T1PosZ + T1D1Thick +T1Dl + T1D2Thick/2), "X");

  // ----- D1 parameters ----------------------------------------------------

  setupQTelescope->AddSi("DoubleSi_D1", TVector3( 0, 

                                                  0,  

                                                  D1PosZ + D1Thick/2), "X");

  // ------QTelescope -------------------------------------------------------

  ERQTelescope* qtelescope= new ERQTelescope("ERQTelescope", kTRUE,verbose);

  run->AddModule(qtelescope);

  // ------BeamDet ----------------------------------------------------------

  ERBeamDet* beamdet= new ERBeamDet("ERBeamDet", kTRUE,verbose);

  run->AddModule(beamdet);

  FairPrimaryGenerator* primGen = new FairPrimaryGenerator();

  Double_t  kinE_MevPerNucleon = 30.;

  // Int_t     Z = 1, A = 3, Q = 1;

  // TString   ionName = "3H";

    Int_t Z = 2, A = 6, Q = 2;

  TString ionName = "6He";

  ERIonMixGenerator* generator = new ERIonMixGenerator(ionName, Z, A, Q, 1);

  Double32_t kin_energy = kinE_MevPerNucleon * 1e-3 * A; //GeV

  generator->SetKinE(kin_energy);

  generator->SetPSigmaOverP(0);

  Double32_t sigmaTheta = 0.004*TMath::RadToDeg();

  generator->SetThetaSigma(0, 0);

 // generator->SetThetaRange(0., 5.);

 // generator->SetPhiRange(0, 360);

  generator->SetBoxXYZ(0, 0, 0, 0, beamStartPosition);

  generator->SpreadingOnTarget(); 

  primGen->AddGenerator(generator);

  run->SetGenerator(primGen);

  // ------- Decayer --------------------------------------------------------

  Double_t massH5 = 4.8;  // [GeV]

  ERDecayer* decayer = new ERDecayer();

  ERDecayEXP1803* targetDecay = new ERDecayEXP1803();

  targetDecay->SetTargetVolumeName("tubeH2");

  targetDecay->SetTargetThickness(targetH2Thickness);

  // targetDecay->SetH5Mass(massH5);

  targetDecay->SetH5Exitation(0.4, 0.02355, 1);

  targetDecay->SetH5Exitation(1.2, 0.2355, 1);

  decayer->AddDecay(targetDecay);

  run->SetDecayer(decayer);

  // ------- Magnetic field -------------------------------------------------

  ERFieldMap* magField = new ERFieldMap("exp1803Field","A"); 

  magField->SetVolume("magnet");

  run->SetField(magField);

    // ------- QTelescope Digitizer -------------------------------------------

  ERQTelescopeDigitizer* qtelescopeDigitizer = new ERQTelescopeDigitizer(verbose);

  qtelescopeDigitizer->SetSiElossThreshold(0);

  qtelescopeDigitizer->SetSiElossSigma(0);

  qtelescopeDigitizer->SetSiTimeSigma(0);

  qtelescopeDigitizer->SetCsIElossThreshold(0);

  qtelescopeDigitizer->SetCsIElossSigma(0);

  qtelescopeDigitizer->SetCsITimeSigma(0);

  run->AddTask(qtelescopeDigitizer);

  // ------  Gadast Digitizer -----------------------------------------------

  ERGadastDigitizer* gadastDigitizer = new ERGadastDigitizer(verbose);

  run->AddTask(gadastDigitizer);

  // -----  BeamDet Digitizer ----------------------------------------------

  ERBeamDetDigitizer* beamDetDigitizer = new ERBeamDetDigitizer(verbose);

  // beamDetDigitizer->SetMWPCElossThreshold(0.006);

  // beamDetDigitizer->SetToFElossThreshold(0.006);

  // beamDetDigitizer->SetToFElossSigmaOverEloss(0);

  // beamDetDigitizer->SetToFTimeSigma(1e-10);

  run->AddTask(beamDetDigitizer);

  // ------- BeamDet TrackFinder -------------------------------------------

  ERBeamDetTrackFinder* trackFinder = new ERBeamDetTrackFinder(verbose);

  run->AddTask(trackFinder);

  // -----------------------BeamDetTrackPID----------------------------------

  ERBeamDetPID* pid = new ERBeamDetPID(verbose);

  pid->SetIonMassNumber(A);

  pid->SetBoxPID(0., 1000., 0., 1000.);

  pid->SetOffsetToF(0.);

  pid->SetProbabilityThreshold(0);

  run->AddTask(pid);  

  // ------- QTelescope TrackFinder -------------------------------------------

  ERQTelescopeTrackFinder* qtelescopeTrackFinder = new ERQTelescopeTrackFinder(verbose);

  qtelescopeTrackFinder->SetHitStation("DoubleSi_SD2_XY_1");

  qtelescopeTrackFinder->SetHitStation("DoubleSi_SD2_XY_3");

  qtelescopeTrackFinder->SetStripEdepRange(0., 100.);          // [GeV]

  qtelescopeTrackFinder->SetTargetPoint(0., 0., 0.);

  // qtelescopeTrackFinder->SetStripEdepRange(0.0097, 100.);   // [GeV]

  // qtelescopeTrackFinder->SetEdepDiffXY(5.);                 // [GeV]

  qtelescopeTrackFinder->SetEdepMaxDiffXY(0.5); 

  run->AddTask(qtelescopeTrackFinder); 

  //-------Set visualisation flag to true------------------------------------

  run->SetStoreTraj(kTRUE);

  //-------Set LOG verbosity  ----------------------------------------------- 

  FairLogger::GetLogger()->SetLogScreenLevel("INFO");

  // -----   Initialize simulation run   ------------------------------------

  run->Init();

  Int_t nSteps = -15000;

  // -----   Runtime database   ---------------------------------------------

  Bool_t kParameterMerged = kTRUE;

  FairParRootFileIo* parOut = new FairParRootFileIo(kParameterMerged);

  parOut->open(parFile.Data());

  rtdb->setOutput(parOut);

  rtdb->saveOutput();

  rtdb->print();

  //gMC->SetMaxNStep(nSteps);

  // -----   Run simulation  ------------------------------------------------

  run->Run(nEvents);

  // -----   Finish   -------------------------------------------------------

  timer.Stop();

  Double_t rtime = timer.RealTime();

  Double_t ctime = timer.CpuTime();

  cout << endl << endl;

  cout << "Macro finished succesfully." << endl;

  cout << "Output file is sim.root" << endl;

  cout << "Parameter file is par.root" << endl;

  cout << "Real time " << rtime << " s, CPU time " << ctime

          << "s" << endl << endl;

}