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

static Int_t    eventsPerRun = 100;
enum PprGeo_t 
{
    kHoles, kNoHoles
};
static PprGeo_t geo = kHoles;

void Config()
{
    // 7-DEC-2000 09:00
    // Switch on Transition Radiation simulation. 6/12/00 18:00
    // iZDC=1  7/12/00 09:00
    // ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00
    // Theta range given through pseudorapidity limits 22/6/2001

    // Set Random Number seed
    // gRandom->SetSeed(12345);


   // libraries required by geant321
    gSystem->Load("libgeant321");

    new     TGeant3("C++ Interface to Geant3");

    if (!gSystem->Getenv("CONFIG_FILE"))
    {
        TFile  *rootfile = new TFile("galice.root", "recreate");

        rootfile->SetCompressionLevel(2);
    }

    TGeant3 *geant3 = (TGeant3 *) gMC;

    //
    // Set External decayer
    TVirtualMCDecayer *decayer = new AliDecayerPythia();

    decayer->SetForceDecay(kAll);
    decayer->Init();
    gMC->SetExternalDecayer(decayer);
    //
    //
    //=======================================================================
    // ******* GEANT STEERING parameters FOR ALICE SIMULATION *******
    geant3->SetTRIG(1);         //Number of events to be processed 
    geant3->SetSWIT(4, 10);
    geant3->SetDEBU(0, 0, 1);
    //geant3->SetSWIT(2,2);
    geant3->SetDCAY(1);
    geant3->SetPAIR(1);
    geant3->SetCOMP(1);
    geant3->SetPHOT(1);
    geant3->SetPFIS(0);
    geant3->SetDRAY(0);
    geant3->SetANNI(1);
    geant3->SetBREM(1);
    geant3->SetMUNU(1);
    geant3->SetCKOV(1);
    geant3->SetHADR(1);         //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3)
    geant3->SetLOSS(2);
    geant3->SetMULS(1);
    geant3->SetRAYL(1);
    geant3->SetAUTO(1);         //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;

    //             GAM ELEC NHAD CHAD MUON EBREM MUHAB EDEL MUDEL MUPA TOFMAX
    geant3->SetCUTS(cut, cut, cut, cut, cut, cut, cut, cut, cut, cut,
                    tofmax);
    //
    //=======================================================================
    // ************* STEERING parameters FOR ALICE SIMULATION **************
    // --- Specify event type to be tracked through the ALICE setup
    // --- All positions are in cm, angles in degrees, and P and E in GeV
    if (gSystem->Getenv("CONFIG_NPARTICLES"))
    {
        int     nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES"));
    } else
    {
        int     nParticles = 50;
    }
    AliGenHIJINGpara *gener = new AliGenHIJINGpara(nParticles);

    gener->SetMomentumRange(0, 999);
    gener->SetPhiRange(0, 360);
    // Set pseudorapidity range from -8 to 8.
    Float_t thmin = EtaToTheta(8);   // theta min. <---> eta max
    Float_t thmax = EtaToTheta(-8);  // theta max. <---> eta min 
    gener->SetThetaRange(thmin,thmax);
    gener->SetOrigin(0, 0, 0);  //vertex position
    gener->SetSigma(0, 0, 0);   //Sigma in (X,Y,Z) (cm) on IP position
    gener->Init();
    // 
    // Activate this line if you want the vertex smearing to happen
    // track by track
    //
    //gener->SetVertexSmear(perTrack); 
    // Field (L3 0.4 T)
    AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., 1);
    rootfile->cd();
    gAlice->SetField(field);    


    Int_t   iABSO  =  1;
    Int_t   iDIPO  =  1;
    Int_t   iFMD   =  1;
    Int_t   iFRAME =  1;
    Int_t   iHALL  =  1;
    Int_t   iITS   =  1;
    Int_t   iMAG   =  1;
    Int_t   iMUON  =  1;
    Int_t   iPHOS  =  1;
    Int_t   iPIPE  =  1;
    Int_t   iPMD   =  1;
    Int_t   iRICH  =  1;
    Int_t   iSHIL  =  1;
    Int_t   iSTART =  1;
    Int_t   iTOF   =  1;
    Int_t   iTPC   =  1;
    Int_t   iTRD   =  1;
    Int_t   iZDC   =  1;
    Int_t   iEMCAL =  1;
    Int_t   iCRT   =  0;
    Int_t   iVZERO =  1;

    //=================== Alice BODY parameters =============================
    AliBODY *BODY = new AliBODY("BODY", "Alice envelop");

    if (iMAG)
    {
        //=================== MAG parameters ============================
        // --- Start with Magnet since detector layouts may be depending ---
        // --- on the selected Magnet dimensions ---
        AliMAG *MAG = new AliMAG("MAG", "Magnet");
    }


    if (iABSO)
    {
        //=================== ABSO parameters ============================
        AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber");
    }

    if (iDIPO)
    {
        //=================== DIPO parameters ============================

        AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2");
    }

    if (iHALL)
    {
        //=================== HALL parameters ============================

        AliHALL *HALL = new AliHALL("HALL", "Alice Hall");
    }


    if (iFRAME)
    {
        //=================== FRAME parameters ============================

        AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
	if (geo == kHoles) {
	    FRAME->SetHoles(1);
	} else {
	    FRAME->SetHoles(0);
	}
    }

    if (iSHIL)
    {
        //=================== SHIL parameters ============================

        AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding Version 2");
    }


    if (iPIPE)
    {
        //=================== PIPE parameters ============================

        AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe");
    }
 
    if(iITS) {

    //=================== ITS parameters ============================
    //
    // As the innermost detector in ALICE, the Inner Tracking System "impacts" on
    // almost all other detectors. This involves the fact that the ITS geometry
    // still has several options to be followed in parallel in order to determine
    // the best set-up which minimizes the induced background. All the geometries
    // available to date are described in the following. Read carefully the comments
    // and use the default version (the only one uncommented) unless you are making
    // comparisons and you know what you are doing. In this case just uncomment the
    // ITS geometry you want to use and run Aliroot.
    //
    // Detailed geometries:         
    //
    //
    //AliITS *ITS  = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services");
    //
    //AliITS *ITS  = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services");
    //
	AliITSvPPRasymm *ITS  = new AliITSvPPRasymm("ITS","New ITS PPR detailed version with asymmetric services");
	ITS->SetMinorVersion(2);					 // don't touch this parameter if you're not an ITS developer
	ITS->SetReadDet(kFALSE);					 // don't touch this parameter if you're not an ITS developer
    //    ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det");  // don't touch this parameter if you're not an ITS developer
	ITS->SetThicknessDet1(200.);   // detector thickness on layer 1 must be in the range [100,300]
	ITS->SetThicknessDet2(200.);   // detector thickness on layer 2 must be in the range [100,300]
	ITS->SetThicknessChip1(200.);  // chip thickness on layer 1 must be in the range [150,300]
	ITS->SetThicknessChip2(200.);  // chip thickness on layer 2 must be in the range [150,300]
	ITS->SetRails(0);	     // 1 --> rails in ; 0 --> rails out
	ITS->SetCoolingFluid(1);   // 1 --> water ; 0 --> freon
	//
    //AliITSvPPRsymm *ITS  = new AliITSvPPRsymm("ITS","New ITS PPR detailed version with symmetric services");
    //ITS->SetMinorVersion(2);                                       // don't touch this parameter if you're not an ITS developer
    //ITS->SetReadDet(kFALSE);                                       // don't touch this parameter if you're not an ITS developer
    //ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRsymm2.det"); // don't touch this parameter if you're not an ITS developer
    //ITS->SetThicknessDet1(200.);   // detector thickness on layer 1 must be in the range [100,300]
    //ITS->SetThicknessDet2(200.);   // detector thickness on layer 2 must be in the range [100,300]
    //ITS->SetThicknessChip1(200.);  // chip thickness on layer 1 must be in the range [150,300]
    //ITS->SetThicknessChip2(200.);  // chip thickness on layer 2 must be in the range [150,300]
    //ITS->SetRails(0);              // 1 --> rails in ; 0 --> rails out
    //ITS->SetCoolingFluid(1);       // 1 --> water ; 0 --> freon
    //
    //
    // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful 
    // for reconstruction !):
    //                                                     
    //
    //AliITSvPPRcoarseasymm *ITS  = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services");
    //ITS->SetRails(0);                // 1 --> rails in ; 0 --> rails out
    //ITS->SetSupportMaterial(0);      // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
    //
    //AliITS *ITS  = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services");
    //ITS->SetRails(0);                // 1 --> rails in ; 0 --> rails out
    //ITS->SetSupportMaterial(0);      // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
    //                      
    //
    //
    // Geant3 <-> EUCLID conversion
    // ============================
    //
    // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and
    // media to two ASCII files (called by default ITSgeometry.euc and
    // ITSgeometry.tme) in a format understandable to the CAD system EUCLID.
    // The default (=0) means that you dont want to use this facility.
    //
	ITS->SetEUCLID(0);  
    }

    if (iTPC)
    {
        //============================ TPC parameters ================================
        // --- This allows the user to specify sectors for the SLOW (TPC geometry 2)
        // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper)
        // --- sectors are specified, any value other than that requires at least one 
        // --- sector (lower or upper)to be specified!
        // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0)
        // ---           sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0)
        // --- SecLows - number of lower sectors specified (up to 6)
        // --- SecUps - number of upper sectors specified (up to 12)
        // --- Sens - sensitive strips for the Slow Simulator !!!
        // --- This does NOT work if all S or L-sectors are specified, i.e.
        // --- if SecAL or SecAU < 0
        //
        //
        //-----------------------------------------------------------------------------

        //  gROOT->LoadMacro("SetTPCParam.C");
        //  AliTPCParam *param = SetTPCParam();
        AliTPC *TPC = new AliTPCv2("TPC", "Default");

        // All sectors included 
        TPC->SetSecAL(-1);
        TPC->SetSecAU(-1);

    }


    if (iTOF) {
	if (geo == kHoles) {
        //=================== TOF parameters ============================
	    AliTOF *TOF = new AliTOFv2FHoles("TOF", "TOF with Holes");
	} else {
	    AliTOF *TOF = new AliTOFv4T0("TOF", "normal TOF");
	}
    }


    if (iRICH)
    {
        //=================== RICH parameters ===========================
        AliRICH *RICH = new AliRICHv3("RICH", "normal RICH");

    }


    if (iZDC)
    {
        //=================== ZDC parameters ============================

        AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC");
    }

    if (iTRD)
    {
        //=================== TRD parameters ============================

        AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");

        // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2)
        TRD->SetGasMix(1);
	if (geo == kHoles) {
	    // With hole in front of PHOS
	    TRD->SetPHOShole();
	    // With hole in front of RICH
	    TRD->SetRICHhole();
	}
	    // Switch on TR
	    AliTRDsim *TRDsim = TRD->CreateTR();
    }

    if (iFMD)
    {
        //=================== FMD parameters ============================
	AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
        FMD->SetRingsSi1(256);
        FMD->SetRingsSi2(128);
        FMD->SetSectorsSi1(20);
        FMD->SetSectorsSi2(40);      
   }

    if (iMUON)
    {
        //=================== MUON parameters ===========================

        AliMUON *MUON = new AliMUONv1("MUON", "default");
    }
    //=================== PHOS parameters ===========================

    if (iPHOS)
    {
        AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
    }


    if (iPMD)
    {
        //=================== PMD parameters ============================
        AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
    }

    if (iSTART)
    {
        //=================== START parameters ============================
        AliSTART *START = new AliSTARTv1("START", "START Detector");
    }

    if (iEMCAL)
    {
        //=================== EMCAL parameters ============================
        AliEMCAL *EMCAL = new AliEMCALv1("EMCAL", "G56_2_55_19_104_14");
    }

     if (iCRT)
    {
        //=================== CRT parameters ============================
        AliCRT *CRT = new AliCRTv0("CRT", "normal ACORDE");
    }

     if (iVZERO)
    {
        //=================== CRT parameters ============================
        AliVZERO *VZERO = new AliVZEROv2("VZERO", "normal VZERO");
    }

}

Float_t EtaToTheta(Float_t arg){
  return (180./TMath::Pi())*2.*atan(exp(-arg));
}
Commit	Line	Data
	1	static Int_t eventsPerRun = 100;
	2	enum PprGeo_t
	3	{
	4	kHoles, kNoHoles
	5	};
	6	static PprGeo_t geo = kHoles;
	7
	8	void Config()
	9	{
	10	// 7-DEC-2000 09:00
	11	// Switch on Transition Radiation simulation. 6/12/00 18:00
	12	// iZDC=1 7/12/00 09:00
	13	// ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00
	14	// Theta range given through pseudorapidity limits 22/6/2001
	15
	16	// Set Random Number seed
	17	// gRandom->SetSeed(12345);
	18
	19
	20	// libraries required by geant321
	21	gSystem->Load("libgeant321");
	22
	23	new TGeant3("C++ Interface to Geant3");
	24
	25	if (!gSystem->Getenv("CONFIG_FILE"))
	26	{
	27	TFile *rootfile = new TFile("galice.root", "recreate");
	28
	29	rootfile->SetCompressionLevel(2);
	30	}
	31
	32	TGeant3 geant3 = (TGeant3 ) gMC;
	33
	34	//
	35	// Set External decayer
	36	TVirtualMCDecayer *decayer = new AliDecayerPythia();
	37
	38	decayer->SetForceDecay(kAll);
	39	decayer->Init();
	40	gMC->SetExternalDecayer(decayer);
	41	//
	42	//
	43	//=======================================================================
	44	// ***** GEANT STEERING parameters FOR ALICE SIMULATION *****
	45	geant3->SetTRIG(1); //Number of events to be processed
	46	geant3->SetSWIT(4, 10);
	47	geant3->SetDEBU(0, 0, 1);
	48	//geant3->SetSWIT(2,2);
	49	geant3->SetDCAY(1);
	50	geant3->SetPAIR(1);
	51	geant3->SetCOMP(1);
	52	geant3->SetPHOT(1);
	53	geant3->SetPFIS(0);
	54	geant3->SetDRAY(0);
	55	geant3->SetANNI(1);
	56	geant3->SetBREM(1);
	57	geant3->SetMUNU(1);
	58	geant3->SetCKOV(1);
	59	geant3->SetHADR(1); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3)
	60	geant3->SetLOSS(2);
	61	geant3->SetMULS(1);
	62	geant3->SetRAYL(1);
	63	geant3->SetAUTO(1); //Select automatic STMIN etc... calc. (AUTO 1) or manual (AUTO 0)
	64	geant3->SetABAN(0); //Restore 3.16 behaviour for abandoned tracks
	65	geant3->SetOPTI(2); //Select optimisation level for GEANT geometry searches (0,1,2)
	66	geant3->SetERAN(5.e-7);
	67
	68	Float_t cut = 1.e-3; // 1MeV cut by default
	69	Float_t tofmax = 1.e10;
	70
	71	// GAM ELEC NHAD CHAD MUON EBREM MUHAB EDEL MUDEL MUPA TOFMAX
	72	geant3->SetCUTS(cut, cut, cut, cut, cut, cut, cut, cut, cut, cut,
	73	tofmax);
	74	//
	75	//=======================================================================
	76	// *********** STEERING parameters FOR ALICE SIMULATION ************
	77	// --- Specify event type to be tracked through the ALICE setup
	78	// --- All positions are in cm, angles in degrees, and P and E in GeV
	79	if (gSystem->Getenv("CONFIG_NPARTICLES"))
	80	{
	81	int nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES"));
	82	} else
	83	{
	84	int nParticles = 50;
	85	}
	86	AliGenHIJINGpara *gener = new AliGenHIJINGpara(nParticles);
	87
	88	gener->SetMomentumRange(0, 999);
	89	gener->SetPhiRange(0, 360);
	90	// Set pseudorapidity range from -8 to 8.
	91	Float_t thmin = EtaToTheta(8); // theta min. <---> eta max
	92	Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min
	93	gener->SetThetaRange(thmin,thmax);
	94	gener->SetOrigin(0, 0, 0); //vertex position
	95	gener->SetSigma(0, 0, 0); //Sigma in (X,Y,Z) (cm) on IP position
	96	gener->Init();
	97	//
	98	// Activate this line if you want the vertex smearing to happen
	99	// track by track
	100	//
	101	//gener->SetVertexSmear(perTrack);
	102	// Field (L3 0.4 T)
	103	AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., 1);
	104	rootfile->cd();
	105	gAlice->SetField(field);
	106
	107
	108	Int_t iABSO = 1;
	109	Int_t iDIPO = 1;
	110	Int_t iFMD = 1;
	111	Int_t iFRAME = 1;
	112	Int_t iHALL = 1;
	113	Int_t iITS = 1;
	114	Int_t iMAG = 1;
	115	Int_t iMUON = 1;
	116	Int_t iPHOS = 1;
	117	Int_t iPIPE = 1;
	118	Int_t iPMD = 1;
	119	Int_t iRICH = 1;
	120	Int_t iSHIL = 1;
	121	Int_t iSTART = 1;
	122	Int_t iTOF = 1;
	123	Int_t iTPC = 1;
	124	Int_t iTRD = 1;
	125	Int_t iZDC = 1;
	126	Int_t iEMCAL = 1;
	127	Int_t iCRT = 0;
	128	Int_t iVZERO = 1;
	129
	130	//=================== Alice BODY parameters =============================
	131	AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
	132
	133	if (iMAG)
	134	{
	135	//=================== MAG parameters ============================
	136	// --- Start with Magnet since detector layouts may be depending ---
	137	// --- on the selected Magnet dimensions ---
	138	AliMAG *MAG = new AliMAG("MAG", "Magnet");
	139	}
	140
	141
	142	if (iABSO)
	143	{
	144	//=================== ABSO parameters ============================
	145	AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber");
	146	}
	147
	148	if (iDIPO)
	149	{
	150	//=================== DIPO parameters ============================
	151
	152	AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2");
	153	}
	154
	155	if (iHALL)
	156	{
	157	//=================== HALL parameters ============================
	158
	159	AliHALL *HALL = new AliHALL("HALL", "Alice Hall");
	160	}
	161
	162
	163	if (iFRAME)
	164	{
	165	//=================== FRAME parameters ============================
	166
	167	AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
	168	if (geo == kHoles) {
	169	FRAME->SetHoles(1);
	170	} else {
	171	FRAME->SetHoles(0);
	172	}
	173	}
	174
	175	if (iSHIL)
	176	{
	177	//=================== SHIL parameters ============================
	178
	179	AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding Version 2");
	180	}
	181
	182
	183	if (iPIPE)
	184	{
	185	//=================== PIPE parameters ============================
	186
	187	AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe");
	188	}
	189
	190	if(iITS) {
	191
	192	//=================== ITS parameters ============================
	193	//
	194	// As the innermost detector in ALICE, the Inner Tracking System "impacts" on
	195	// almost all other detectors. This involves the fact that the ITS geometry
	196	// still has several options to be followed in parallel in order to determine
	197	// the best set-up which minimizes the induced background. All the geometries
	198	// available to date are described in the following. Read carefully the comments
	199	// and use the default version (the only one uncommented) unless you are making
	200	// comparisons and you know what you are doing. In this case just uncomment the
	201	// ITS geometry you want to use and run Aliroot.
	202	//
	203	// Detailed geometries:
	204	//
	205	//
	206	//AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services");
	207	//
	208	//AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services");
	209	//
	210	AliITSvPPRasymm *ITS = new AliITSvPPRasymm("ITS","New ITS PPR detailed version with asymmetric services");
	211	ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
	212	ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer
	213	// ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer
	214	ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300]
	215	ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300]
	216	ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300]
	217	ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300]
	218	ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
	219	ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
	220	//
	221	//AliITSvPPRsymm *ITS = new AliITSvPPRsymm("ITS","New ITS PPR detailed version with symmetric services");
	222	//ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
	223	//ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer
	224	//ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRsymm2.det"); // don't touch this parameter if you're not an ITS developer
	225	//ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300]
	226	//ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300]
	227	//ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300]
	228	//ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300]
	229	//ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
	230	//ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
	231	//
	232	//
	233	// Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful
	234	// for reconstruction !):
	235	//
	236	//
	237	//AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services");
	238	//ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
	239	//ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
	240	//
	241	//AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services");
	242	//ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
	243	//ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
	244	//
	245	//
	246	//
	247	// Geant3 <-> EUCLID conversion
	248	// ============================
	249	//
	250	// SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and
	251	// media to two ASCII files (called by default ITSgeometry.euc and
	252	// ITSgeometry.tme) in a format understandable to the CAD system EUCLID.
	253	// The default (=0) means that you dont want to use this facility.
	254	//
	255	ITS->SetEUCLID(0);
	256	}
	257
	258	if (iTPC)
	259	{
	260	//============================ TPC parameters ================================
	261	// --- This allows the user to specify sectors for the SLOW (TPC geometry 2)
	262	// --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper)
	263	// --- sectors are specified, any value other than that requires at least one
	264	// --- sector (lower or upper)to be specified!
	265	// --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0)
	266	// --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0)
	267	// --- SecLows - number of lower sectors specified (up to 6)
	268	// --- SecUps - number of upper sectors specified (up to 12)
	269	// --- Sens - sensitive strips for the Slow Simulator !!!
	270	// --- This does NOT work if all S or L-sectors are specified, i.e.
	271	// --- if SecAL or SecAU < 0
	272	//
	273	//
	274	//-----------------------------------------------------------------------------
	275
	276	// gROOT->LoadMacro("SetTPCParam.C");
	277	// AliTPCParam *param = SetTPCParam();
	278	AliTPC *TPC = new AliTPCv2("TPC", "Default");
	279
	280	// All sectors included
	281	TPC->SetSecAL(-1);
	282	TPC->SetSecAU(-1);
	283
	284	}
	285
	286
	287	if (iTOF) {
	288	if (geo == kHoles) {
	289	//=================== TOF parameters ============================
	290	AliTOF *TOF = new AliTOFv2FHoles("TOF", "TOF with Holes");
	291	} else {
	292	AliTOF *TOF = new AliTOFv4T0("TOF", "normal TOF");
	293	}
	294	}
	295
	296
	297	if (iRICH)
	298	{
	299	//=================== RICH parameters ===========================
	300	AliRICH *RICH = new AliRICHv3("RICH", "normal RICH");
	301
	302	}
	303
	304
	305	if (iZDC)
	306	{
	307	//=================== ZDC parameters ============================
	308
	309	AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC");
	310	}
	311
	312	if (iTRD)
	313	{
	314	//=================== TRD parameters ============================
	315
	316	AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
	317
	318	// Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2)
	319	TRD->SetGasMix(1);
	320	if (geo == kHoles) {
	321	// With hole in front of PHOS
	322	TRD->SetPHOShole();
	323	// With hole in front of RICH
	324	TRD->SetRICHhole();
	325	}
	326	// Switch on TR
	327	AliTRDsim *TRDsim = TRD->CreateTR();
	328	}
	329
	330	if (iFMD)
	331	{
	332	//=================== FMD parameters ============================
	333	AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
	334	FMD->SetRingsSi1(256);
	335	FMD->SetRingsSi2(128);
	336	FMD->SetSectorsSi1(20);
	337	FMD->SetSectorsSi2(40);
	338	}
	339
	340	if (iMUON)
	341	{
	342	//=================== MUON parameters ===========================
	343
	344	AliMUON *MUON = new AliMUONv1("MUON", "default");
	345	}
	346	//=================== PHOS parameters ===========================
	347
	348	if (iPHOS)
	349	{
	350	AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
	351	}
	352
	353
	354	if (iPMD)
	355	{
	356	//=================== PMD parameters ============================
	357	AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
	358	}
	359
	360	if (iSTART)
	361	{
	362	//=================== START parameters ============================
	363	AliSTART *START = new AliSTARTv1("START", "START Detector");
	364	}
	365
	366	if (iEMCAL)
	367	{
	368	//=================== EMCAL parameters ============================
	369	AliEMCAL *EMCAL = new AliEMCALv1("EMCAL", "G56_2_55_19_104_14");
	370	}
	371
	372	if (iCRT)
	373	{
	374	//=================== CRT parameters ============================
	375	AliCRT *CRT = new AliCRTv0("CRT", "normal ACORDE");
	376	}
	377
	378	if (iVZERO)
	379	{
	380	//=================== CRT parameters ============================
	381	AliVZERO *VZERO = new AliVZEROv2("VZERO", "normal VZERO");
	382	}
	383
	384	}
	385
	386	Float_t EtaToTheta(Float_t arg){
	387	return (180./TMath::Pi())2.atan(exp(-arg));
	388	}