[u/mrichter/AliRoot.git] / MUON / Config.C

// Config file test for MUON spectormeter
// Remember to define the directory and option
// gAlice->SetConfigFunction("Config('$HOME','box');");

void Config(char directory[100]="", char option[6]="param")
{
  //
  // Config file for MUON test
  //

  //=====================================================================
  //  Libraries required by geant321
  gSystem->Load("libgeant321.so");
  new TGeant3TGeo("C++ Interface to Geant3");
  //=======================================================================
  //  Create the output file    
  Text_t filename[100];
  sprintf(filename,"%sgalice.root",directory);
  cout << ">>> Output file is " << filename << endl;   
  cout << ">>> Config.C: Creating Run Loader ..."<<endl;
  AliRunLoader* rl=0x0;
  rl = AliRunLoader::Open(
	filename, AliConfig::GetDefaultEventFolderName(), "recreate");
  if (rl == 0x0) {
    gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
    return;
  }
  rl->SetCompressionLevel(2);
  rl->SetNumberOfEventsPerFile(100);
  gAlice->SetRunLoader(rl);

  
  //=======================================================================
  // Set External decayer
  TVirtualMCDecayer *decayer = new AliDecayerPythia();
  decayer->SetForceDecay(kAll);
  decayer->Init();
  gMC->SetExternalDecayer(decayer);

  //
  //=======================================================================
  // ******* GEANT STEERING parameters FOR ALICE SIMULATION *******
    gMC->SetProcess("DCAY",1);
    gMC->SetProcess("PAIR",1);
    gMC->SetProcess("COMP",1);
    gMC->SetProcess("PHOT",1);
    gMC->SetProcess("PFIS",0);
    gMC->SetProcess("DRAY",0);
    gMC->SetProcess("ANNI",1);
    gMC->SetProcess("BREM",1);
    gMC->SetProcess("MUNU",1);
    gMC->SetProcess("CKOV",1);
    gMC->SetProcess("HADR",1);
    gMC->SetProcess("LOSS",2);
    gMC->SetProcess("MULS",1);
    gMC->SetProcess("RAYL",1);

    Float_t cut = 1.e-3;        // 1MeV cut by default
    Float_t tofmax = 1.e10;

    gMC->SetCut("CUTGAM", cut);
    gMC->SetCut("CUTELE", cut);
    gMC->SetCut("CUTNEU", cut);
    gMC->SetCut("CUTHAD", cut);
    gMC->SetCut("CUTMUO", cut);
    gMC->SetCut("BCUTE",  cut); 
    gMC->SetCut("BCUTM",  cut); 
    gMC->SetCut("DCUTE",  cut); 
    gMC->SetCut("DCUTM",  cut); 
    gMC->SetCut("PPCUTM", cut);
    gMC->SetCut("TOFMAX", tofmax); 
  //
  //=======================================================================
  // ************* STEERING parameters FOR ALICE SIMULATION **************
  // Chamber positions
  // From AliMUONConstants class we get :
  //   Position Z (along beam) of the chambers (in cm) 
  //        (from AliMUONConstants class):  
  //    533.5,  546.5,  678.5, 693.5,  964.0, 986.0, 1251.5, 1278.5, 
  //   1416.5, 1443.5,  1610, 1625.,  1710., 1725. 
  //   Internal Radius (in cm)   
  //     36.4,  46.2,  66.0,  80.,  80., 100., 100.    
  //   External Radius (in cm)
  //    183.,  245.,  395.,  560., 563., 850., 900.  
  //=======================================================================
  if (!strcmp(option,"box")) {
    AliGenBox * gener = new AliGenBox(1);
    gener->SetMomentumRange(20.,20.1);
    gener->SetPhiRange(0., 360.);         
    gener->SetThetaRange(171.000,178.001);
    gener->SetPart(13);           // Muons
    gener->SetOrigin(0.,0., 0.);  //vertex position
    gener->SetSigma(0.0, 0.0, 0.0);         //Sigma in (X,Y,Z) (cm) on IP position
  }
  if (!strcmp(option,"gun")) {
    //*********************************************
    // Example for Fixed Particle Gun             *
    //*********************************************
    AliGenFixed *gener = new AliGenFixed(ntracks);
    gener->SetMomentum(10);
    gener->SetPhiRange(0.);
    gener->SetThetaRange(0.);
    gener->SetOrigin(30,30,1200);//vertex position
    gener->SetPart(13);          //GEANT particle type  13 is muons
  }
  if (!strcmp(option,"scan")) {
    AliGenScan *gener = new AliGenScan(-1);
    gener->SetMomentumRange(10,10);
    gener->SetPhiRange(0, 0);
    gener->SetThetaRange(-180, -180);
    //vertex position
    //gener->SetSigma(1,1,0);           //Sigma in (X,Y,Z) (cm) on IP position
    gener->SetPart(kRootino); 
    gener->SetRange(100, -300., 300., 100, -300., 300., 1, 2000, 2000);
  }  
  if (!strcmp(option,"param")) {
    //*******************************************************
    // Example for J/psi or Upsilon Production from  Parameterisation *
    //*******************************************************
    AliGenParam *gener = new AliGenParam(1, AliGenMUONlib::kUpsilon);
    gener->SetMomentumRange(0,999);
    gener->SetPtRange(0,100.);
    gener->SetPhiRange(0., 360.);
    gener->SetCutOnChild(1);
    gener->SetChildPhiRange(0.,360.);
    gener->SetChildThetaRange(171.0,178.0);
    gener->SetOrigin(0,0,0);          //vertex position    gener->SetSigma(0,0,0);           //Sigma in (X,Y,Z) (cm) on IP position
    gener->SetForceDecay(kDiMuon);
    gener->SetTrackingFlag(1);
    gener->Init();
  }
  //============================================================= 
  // Field (L3 0.4 T)
  AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 1, 1., 10., AliMagFMaps::k4kG);
  gAlice->SetField(field);

  //=================== Alice BODY parameters =============================
  AliBODY *BODY = new AliBODY("BODY","Alice envelop");
  //=================== ABSO parameters ============================
  AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber");
  //=================== DIPO parameters ============================
  AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2");
  //================== HALL parameters ============================
  AliHALL *HALL = new AliHALL("HALL", "Alice Hall");
  //=================== PIPE parameters ============================
  AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe");
  //=================== SHIL parameters ============================
  AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding Version 2");
  //=================== MUON Subsystem ===========================
  cout << ">>> Config.C: Creating AliMUONv1 ..."<<endl;
  // New MUONv1 version (geometry defined via builders)
  AliMUON *MUON = new AliMUONv1("MUON", "default");
  // If align = true, the detection elements transformations
  // are taken from the input files and not from the code
  //MUON->SetAlign(true);
  ((AliMUONv1*)MUON)->SetStepManagerVersionDE(true);
  MUON->AddGeometryBuilder(new AliMUONSt1GeometryBuilderV2(MUON));
  MUON->AddGeometryBuilder(new AliMUONSt2GeometryBuilderV2(MUON));
  MUON->AddGeometryBuilder(new AliMUONSlatGeometryBuilder(MUON));
  MUON->AddGeometryBuilder(new AliMUONTriggerGeometryBuilder(MUON));
}

Float_t EtaToTheta(Float_t arg){
  return (180./TMath::Pi())*2.*atan(exp(-arg));
}
Commit	Line	Data
8d6c1ae0	1	// Config file test for MUON spectormeter
	2	// Remember to define the directory and option
	3	// gAlice->SetConfigFunction("Config('$HOME','box');");
	4
6b1e4b22	5	void Config(char directory[100]="", char option[6]="param")
8d6c1ae0	6	{
	7	//
	8	// Config file for MUON test
6570c14d	9	//
8d6c1ae0	10
	11	//=====================================================================
	12	// Libraries required by geant321
	13	gSystem->Load("libgeant321.so");
6570c14d	14	new TGeant3TGeo("C++ Interface to Geant3");
8d6c1ae0	15	//=======================================================================
	16	// Create the output file
	17	Text_t filename[100];
	18	sprintf(filename,"%sgalice.root",directory);
	19	cout << ">>> Output file is " << filename << endl;
	20	cout << ">>> Config.C: Creating Run Loader ..."<<endl;
	21	AliRunLoader* rl=0x0;
	22	rl = AliRunLoader::Open(
	23	filename, AliConfig::GetDefaultEventFolderName(), "recreate");
	24	if (rl == 0x0) {
	25	gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
	26	return;
	27	}
	28	rl->SetCompressionLevel(2);
	29	rl->SetNumberOfEventsPerFile(100);
	30	gAlice->SetRunLoader(rl);
	31
	32
	33	//=======================================================================
	34	// Set External decayer
	35	TVirtualMCDecayer *decayer = new AliDecayerPythia();
	36	decayer->SetForceDecay(kAll);
	37	decayer->Init();
	38	gMC->SetExternalDecayer(decayer);
	39
	40	//
	41	//=======================================================================
	42	// ***** GEANT STEERING parameters FOR ALICE SIMULATION *****
	43	gMC->SetProcess("DCAY",1);
	44	gMC->SetProcess("PAIR",1);
	45	gMC->SetProcess("COMP",1);
	46	gMC->SetProcess("PHOT",1);
	47	gMC->SetProcess("PFIS",0);
	48	gMC->SetProcess("DRAY",0);
	49	gMC->SetProcess("ANNI",1);
	50	gMC->SetProcess("BREM",1);
	51	gMC->SetProcess("MUNU",1);
	52	gMC->SetProcess("CKOV",1);
	53	gMC->SetProcess("HADR",1);
	54	gMC->SetProcess("LOSS",2);
	55	gMC->SetProcess("MULS",1);
	56	gMC->SetProcess("RAYL",1);
	57
	58	Float_t cut = 1.e-3; // 1MeV cut by default
	59	Float_t tofmax = 1.e10;
	60
	61	gMC->SetCut("CUTGAM", cut);
	62	gMC->SetCut("CUTELE", cut);
	63	gMC->SetCut("CUTNEU", cut);
	64	gMC->SetCut("CUTHAD", cut);
	65	gMC->SetCut("CUTMUO", cut);
	66	gMC->SetCut("BCUTE", cut);
	67	gMC->SetCut("BCUTM", cut);
	68	gMC->SetCut("DCUTE", cut);
	69	gMC->SetCut("DCUTM", cut);
	70	gMC->SetCut("PPCUTM", cut);
	71	gMC->SetCut("TOFMAX", tofmax);
	72	//
	73	//=======================================================================
	74	// *********** STEERING parameters FOR ALICE SIMULATION ************
	75	// Chamber positions
	76	// From AliMUONConstants class we get :
	77	// Position Z (along beam) of the chambers (in cm)
	78	// (from AliMUONConstants class):
79	// 533.5, 546.5, 678.5, 693.5, 964.0, 986.0, 1251.5, 1278.5,
80	// 1416.5, 1443.5, 1610, 1625., 1710., 1725.
81	// Internal Radius (in cm)
82	// 36.4, 46.2, 66.0, 80., 80., 100., 100.
83	// External Radius (in cm)
84	// 183., 245., 395., 560., 563., 850., 900.
85	//=======================================================================
86	if (!strcmp(option,"box")) {
87	AliGenBox * gener = new AliGenBox(1);
88	gener->SetMomentumRange(20.,20.1);
89	gener->SetPhiRange(0., 360.);
90	gener->SetThetaRange(171.000,178.001);
91	gener->SetPart(13); // Muons
92	gener->SetOrigin(0.,0., 0.); //vertex position
93	gener->SetSigma(0.0, 0.0, 0.0); //Sigma in (X,Y,Z) (cm) on IP position
94	}
95	if (!strcmp(option,"gun")) {
96	//*********************************************
97	// Example for Fixed Particle Gun *
98	//*********************************************
99	AliGenFixed *gener = new AliGenFixed(ntracks);
100	gener->SetMomentum(10);
101	gener->SetPhiRange(0.);
102	gener->SetThetaRange(0.);
103	gener->SetOrigin(30,30,1200);//vertex position
104	gener->SetPart(13); //GEANT particle type 13 is muons
105	}
106	if (!strcmp(option,"scan")) {
107	AliGenScan *gener = new AliGenScan(-1);
108	gener->SetMomentumRange(10,10);
109	gener->SetPhiRange(0, 0);
110	gener->SetThetaRange(-180, -180);
111	//vertex position
112	//gener->SetSigma(1,1,0); //Sigma in (X,Y,Z) (cm) on IP position
113	gener->SetPart(kRootino);
114	gener->SetRange(100, -300., 300., 100, -300., 300., 1, 2000, 2000);
115	}
116	if (!strcmp(option,"param")) {
117	//*******************************************************
118	// Example for J/psi or Upsilon Production from Parameterisation *
119	//*******************************************************
120	AliGenParam *gener = new AliGenParam(1, AliGenMUONlib::kUpsilon);
121	gener->SetMomentumRange(0,999);
122	gener->SetPtRange(0,100.);
123	gener->SetPhiRange(0., 360.);
124	gener->SetCutOnChild(1);
125	gener->SetChildPhiRange(0.,360.);
126	gener->SetChildThetaRange(171.0,178.0);
127	gener->SetOrigin(0,0,0); //vertex position gener->SetSigma(0,0,0); //Sigma in (X,Y,Z) (cm) on IP position
128	gener->SetForceDecay(kDiMuon);
129	gener->SetTrackingFlag(1);
130	gener->Init();
131	}
132	//=============================================================
133	// Field (L3 0.4 T)
134	AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 1, 1., 10., AliMagFMaps::k4kG);
135	gAlice->SetField(field);
136
137	//=================== Alice BODY parameters =============================
138	AliBODY *BODY = new AliBODY("BODY","Alice envelop");
139	//=================== ABSO parameters ============================
140	AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber");
141	//=================== DIPO parameters ============================
142	AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2");
143	//================== HALL parameters ============================
144	AliHALL *HALL = new AliHALL("HALL", "Alice Hall");
145	//=================== PIPE parameters ============================
146	AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe");
147	//=================== SHIL parameters ============================
148	AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding Version 2");
149	//=================== MUON Subsystem ===========================
150	cout << ">>> Config.C: Creating AliMUONv1 ..."<<endl;
8d6c1ae0	151	// New MUONv1 version (geometry defined via builders)
8d6c1ae0	152	AliMUON *MUON = new AliMUONv1("MUON", "default");
6570c14d	153	// If align = true, the detection elements transformations
6570c14d	154	// are taken from the input files and not from the code
8d6c1ae0	155	//MUON->SetAlign(true);
6570c14d	156	((AliMUONv1*)MUON)->SetStepManagerVersionDE(true);
8d6c1ae0	157	MUON->AddGeometryBuilder(new AliMUONSt1GeometryBuilderV2(MUON));
6570c14d	158	MUON->AddGeometryBuilder(new AliMUONSt2GeometryBuilderV2(MUON));
8d6c1ae0	159	MUON->AddGeometryBuilder(new AliMUONSlatGeometryBuilder(MUON));
	160	MUON->AddGeometryBuilder(new AliMUONTriggerGeometryBuilder(MUON));
	161	}
	162
	163	Float_t EtaToTheta(Float_t arg){
	164	return (180./TMath::Pi())2.atan(exp(-arg));
	165	}