[u/mrichter/AliRoot.git] / MUON / AliMUONproto.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

/* $Id$ */

/*
Implementation of MUON Chamber Prototype Class 
Both read digits from raw data or use the Monte-Carlo. 
1-Feb-2000 Rachid GUERNANE, IPN Lyon guernane@ipnl.in2p3.fr
*/


////////////////////////////////////////////////
//  Manager and hits classes for set:PROTO    //
////////////////////////////////////////////////

#include <TTUBE.h>
#include <TBRIK.h>
#include <TRotMatrix.h>
#include <TNode.h> 
#include <TTree.h> 
#include <TRandom.h> 
#include <TObject.h>
#include <TVector.h>
#include <TObjArray.h>
#include <TMinuit.h>
#include <TParticle.h>
#include <TROOT.h>
#include <TFile.h>
#include <TNtuple.h>
#include <TCanvas.h>
#include <TPad.h>
#include <TDirectory.h>
#include <TObjectTable.h>
#include <AliPDG.h>
#include <TArrayI.h>
#include <AliDetector.h>

#include "AliMUONChamber.h"
#include "AliMUONproto.h"
#include "AliMUONHit.h"
#include "TTUBE.h"
#include "AliMUONClusterFinder.h"
#include "AliRun.h"
#include "Riostream.h"
#include "AliCallf77.h" 
#include "AliConst.h"
//#include "chainalice2.h"
#include "AliMUONSegmentationV0.h"
//#include "AliMUONSegResV11.h"

ClassImp(AliMUONproto)

//___________________________________________    
AliMUONproto::AliMUONproto()
        : AliMUON()
{
    cout << "\n Calling AliMUONproto constructor..." << endl;
    
        //
        //
        //
}
 
//___________________________________________
AliMUONproto::AliMUONproto(const char *name, const char *title) 
        : AliMUON(name,title)
//  AliMUON defines everything, but the chamber for NCH=1
{
    
//  z-Positions of Chambers
    const Float_t zch[1] = {975.};
//
//  inner diameter
    const Float_t dmi[1] = {0.};
//
//  outer diameter
    const Float_t dma[1] = {29.2};
//
//    
//    Default Parameters for ALICE2 prototype

//
    (*fChambers)[0] = new AliMUONChamber();
    AliMUONChamber* chamber = (AliMUONChamber*) (*fChambers)[0];
    chamber->SetGid(0);
    chamber->SetZ(zch[0]);
//
    chamber->InitGeo(zch[0]); 
    chamber->SetRInner(dmi[0]/2);
    chamber->SetROuter(dma[0]/2);

    for (int i = 0; i <= 99; i++) {
        fThreshold[i] = 0.;
    }
    
}

#ifdef WE_FORGET_FOR_THE_MOMENT
//___________________________________________ 
void AliMUONproto::GetRawDigits(Int_t evnb, Int_t *lptr, Int_t ilen) {

    Int_t ip = 0;
    Int_t equip = 0;
    Int_t nochnl;
    Int_t loop;
    Int_t val;    
    Int_t itype;
    Int_t id;
    Int_t serial;
    Int_t equiplen;

    Int_t digits[5]; 
    
    AliMUON* MUON  = (AliMUON*)gAlice->GetModule("MUON");
    AliMUONSegmentationV0* seg = (AliMUONSegmentationV0*) Chamber(0).SegmentationModel(1);
    
    Int_t tracks[10];
    Int_t charges[10];
        
    for (Int_t i = 0; i < 10; i++) {
        tracks[i] = 0;
        charges[i] = 0;
    }
        
    Int_t ich = 0;
    
  nwtype:	      

    itype = lptr[ip++];
    id = lptr[ip++];
    equiplen = lptr[ip++];
    
    if (equiplen < 0 ) return;

    if (itype != (int)(0XCACCA008)) {        
        ip += equiplen;
        if (ip < ilen-2)  goto nwtype;
    }    
    else {
        serial = id >> 16;
        equip = id & 0x1;
        if ((serial == 190) && (equip == 1)) {
            for (loop = 0; loop < equiplen; loop++) {
                nochnl = (lptr[ip] & 0x7ff000 ) >> 12;
                val = lptr[ip] & 0x3ff;
                // fill digits from raw data according to cathode connexions
                if (group[nochnl][2][1]!=0)
                    digits[0] = group[nochnl][2][1] - 12;
                else if  (group[nochnl][1][1]!=0)
                    digits[0] = group[nochnl][1][1] - 12;
                else
                    digits[0] = group[nochnl][0][1] - 12;
                digits[1] = group[nochnl][0][0];
                if (digits[0] != seg->Ix(digits[0], digits[1]))
                    printf("Pb pour ix=%d,iy=%d\n", digits[0], digits[1]);
                digits[2] = val;
                digits[3] = 0;
                digits[4] = 0;
                if (digits[2] >= fThreshold[nochnl]) 
                    MUON->AddDigits(ich, tracks, charges, digits);

                ip++;
            }   
        } 
        else
            ip += equiplen;
        
        if (ip < ilen-2) goto nwtype;
    }
    
    gAlice->TreeD()->Fill();
    MUON->ResetDigits();

    gAlice->TreeD()->Fill();
    MUON->ResetDigits();
    
    char hname[30];
    sprintf(hname, "TreeD%d", evnb);
    gAlice->TreeD()->Write(hname,TObject::kOverwrite);
    // reset tree
    gAlice->TreeD()->Reset();

}
#endif

//___________________________________________
void AliMUONproto::SetPadSize(Int_t id, Int_t isec, Float_t p1, Float_t p2)
{
    Int_t i=2*(id-1);
    ((AliMUONChamber*)(*fChambers)[i])->SetPadSize(isec,p1,p2);
}

//___________________________________________
void AliMUONproto::SetChargeSlope(Int_t id, Float_t p1)
{
    Int_t i=2*(id-1);
    ((AliMUONChamber*) (*fChambers)[i])->SetChargeSlope(p1);
}

//___________________________________________
void AliMUONproto::SetChargeSpread(Int_t id, Float_t p1, Float_t p2)
{
    Int_t i=2*(id-1);
    ((AliMUONChamber*) (*fChambers)[i])->SetChargeSpread(p1,p2);
}

//___________________________________________
void AliMUONproto::SetMaxAdc(Int_t id, Float_t p1)
{
    Int_t i=2*(id-1);
    ((AliMUONChamber*) (*fChambers)[i])->SetMaxAdc(p1);
}

//___________________________________________
void AliMUONproto::CreateGeometry()
{
    Int_t *idtmed = fIdtmed->GetArray()-1099;
//
    Float_t zpos;
    Float_t bpar[3];
    Int_t idGas=idtmed[1100];
    
    AliMUONChamber *iChamber;
//********************************************************************
//                          Prototype ALICE2                        **
//********************************************************************
    iChamber=(AliMUONChamber*) (*fChambers)[0];
    
    zpos=iChamber->Z(); 
//
    const Float_t X_POS = 11*.975/2; //half x
    const Float_t Y_POS = 18*.55/2;  //half y
    const Float_t Z_POS = 0.325;
    
    bpar[0] = X_POS; 
    bpar[1] = Y_POS;  
    bpar[2] = Z_POS;
    
    gMC->Gsvolu("C01G", "BOX", idGas, bpar, 3);
    gMC->Gspos("C01G", 1, "ALIC", -bpar[0], bpar[1], zpos, 0, "ONLY");
}

//___________________________________________
void AliMUONproto::CreateMaterials()
{
  // *** DEFINITION OF AVAILABLE MUON MATERIALS *** 
  //
  //     Ar-CO2 gas 
    Float_t ag1[3]   = { 39.95,12.01,16. };
    Float_t zg1[3]   = { 18.,6.,8. };
    Float_t wg1[3]   = { .8,.0667,.13333 };
    Float_t dg1      = .001821;
    
    Float_t epsil  = .001; // Tracking precision, 
    Float_t tmaxfd = -20.; // Maximum angle due to field deflection
    Float_t stmin  = -.8;
    Int_t ISXFLD   = gAlice->Field()->Integ();
    Float_t SXMGMX = gAlice->Field()->Max();

    //
    // --- Define the various materials for GEANT ---
    AliMixture(22, "ArCO2 80%$", ag1, zg1, dg1, 3, wg1);

    //
    //    Ar/CO2
    AliMedium(1, "ARG_CO2   ", 22, 1, ISXFLD, SXMGMX, tmaxfd, fMaxStepGas,
              fMaxDestepAlu, epsil, stmin);
    //    Air 
        //AliMedium(1, "AIR_CH_US         ", 15, 1, ISXFLD, SXMGMX, tmaxfd, -1., -.3, epsil, stmin);
}

//___________________________________________
void AliMUONproto::Init()
{
   printf("\n\n\n Start Init for Prototype ALICE2 - CPC chamber type\n\n\n");

   // 
   // Initialize Tracking Chambers
   //
   
   ( (AliMUONChamber*) (*fChambers)[0])->Init();
   
   //
   // Set the chamber (sensitive region) GEANT identifier
   ((AliMUONChamber*)(*fChambers)[0])->SetGid(gMC->VolId("C01G"));

   printf("\n\n\n Finished Init for Prototype ALICE2 - CPC chamber type\n\n\n");

}

//___________________________________________
void AliMUONproto::StepManager()
{
  Int_t          copy, id;
  static Int_t   idvol;
  static Int_t   vol[2];
  Int_t          ipart;
  TLorentzVector pos;
  TLorentzVector mom;
  Float_t        theta,phi;
  Float_t        destep, step;
  
  static Float_t eloss, eloss2, xhit, yhit, tlength;
  const  Float_t big=1.e10;
  
  //  modifs perso
  static Float_t hits[14];

  TClonesArray &lhits = *fHits;

  //
  // Set maximum step size for gas
  // numed=gMC->GetMedium();
  //
  // Only charged tracks
  if( !(gMC->TrackCharge()) ) return; 
  //
  // Only gas gap inside chamber
  // Tag chambers and record hits when track enters 
  idvol=-1;
  id=gMC->CurrentVolID(copy);
  
    for (Int_t i=1; i<=kNCH; i++) {
      if(id==((AliMUONChamber*)(*fChambers)[i-1])->GetGid()){ 
	  vol[0]=i; 
	  idvol=i-1;
      }
    }
    if (idvol == -1) return;
  //
  // Get current particle id (ipart), track position (pos)  and momentum (mom) 
  gMC->TrackPosition(pos);
  gMC->TrackMomentum(mom);

  ipart  = gMC->TrackPid();
  //Int_t ipart1 = gMC->IdFromPDG(ipart);
  //printf("ich, ipart %d %d \n",vol[0],ipart1);

  //
  // momentum loss and steplength in last step
  destep = gMC->Edep();
  step   = gMC->TrackStep();
  
  //
  // record hits when track enters ...
  if( gMC->IsTrackEntering()) {
      gMC->SetMaxStep(fMaxStepGas);
      Double_t tc = mom[0]*mom[0]+mom[1]*mom[1];
      Double_t rt = TMath::Sqrt(tc);
      Double_t pmom = TMath::Sqrt(tc+mom[2]*mom[2]);
      Double_t tx=mom[0]/pmom;
      Double_t ty=mom[1]/pmom;
      Double_t tz=mom[2]/pmom;
      Double_t s=((AliMUONChamber*)(*fChambers)[idvol])
	  ->ResponseModel()
	  ->Pitch()/tz;
      theta   = Float_t(TMath::ATan2(rt,Double_t(mom[2])))*kRaddeg;
      phi     = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg;
      hits[0] = Float_t(ipart);         // Geant3 particle type
      hits[1] = pos[0]+s*tx;                 // X-position for hit
      hits[2] = pos[1]+s*ty;                 // Y-position for hit
      hits[3] = pos[2]+s*tz;                 // Z-position for hit
      hits[4] = theta;                  // theta angle of incidence
      hits[5] = phi;                    // phi angle of incidence 
      hits[8] = (Float_t) fNPadHits;   // first padhit
      hits[9] = -1;                     // last pad hit

      // modifs perso
      hits[10] = mom[3]; // hit momentum P
      hits[11] = mom[0]; // Px/P
      hits[12] = mom[1]; // Py/P
      hits[13] = mom[2]; // Pz/P
      // fin modifs perso

      // phi angle of incidence
      tlength = 0;
      eloss   = 0;
      eloss2  = 0;
      xhit    = pos[0];
      yhit    = pos[1];      
      // Only if not trigger chamber
      if(idvol<10) {
	  //
	  //  Initialize hit position (cursor) in the segmentation model 
	  ((AliMUONChamber*) (*fChambers)[idvol])
	      ->SigGenInit(pos[0], pos[1], pos[2]);
      } else {
	  //geant3->Gpcxyz();
	  //printf("In the Trigger Chamber #%d\n",idvol-9);
      }
  }
  eloss2+=destep;
  
  // 
  // Calculate the charge induced on a pad (disintegration) in case 
  //
  // Mip left chamber ...
  if( gMC->IsTrackExiting() || gMC->IsTrackStop() || gMC->IsTrackDisappeared()){
      gMC->SetMaxStep(big);
      eloss   += destep;
      tlength += step;
      
      // Only if not trigger chamber
      if(idvol<10) {
	  if (eloss > 0) 
	      MakePadHits(0.5*(xhit+pos[0]),0.5*(yhit+pos[1]),eloss,0.0,idvol);
      }
	  
      hits[6]=tlength;
      hits[7]=eloss2;
      if (fNPadHits > (Int_t)hits[8]) {
	  hits[8]= hits[8]+1;
	  hits[9]= (Float_t) fNPadHits;
      }
    
      new(lhits[fNhits++]) 
	  AliMUONHit(fIshunt,gAlice->GetCurrentTrackNumber(),vol,hits);
      eloss = 0; 
      //
      // Check additional signal generation conditions 
      // defined by the segmentation
      // model (boundary crossing conditions) 
  } else if 
      (((AliMUONChamber*) (*fChambers)[idvol])
       ->SigGenCond(pos[0], pos[1], pos[2]))
  {
      ((AliMUONChamber*) (*fChambers)[idvol])
	  ->SigGenInit(pos[0], pos[1], pos[2]);
//      printf("\n-> MakePadHits, reason special %d",ipart);
      if (eloss > 0)
	  MakePadHits(0.5*(xhit+pos[0]),0.5*(yhit+pos[1]),eloss,0.0,idvol);
      xhit     = pos[0];
      yhit     = pos[1]; 
      eloss    = destep;
      tlength += step ;
      //
      // nothing special  happened, add up energy loss
  } else {        
      eloss   += destep;
      tlength += step ;
  }
}

//___________________________________________
void AliMUONproto::BuildGeometry()
{
    TNode *Node;
    TNode *Top;
    
    const int kColorMUON = kBlue;
    //
    Top=gAlice->GetGeometry()->GetNode("alice");
    //
    //
    //
    float dx, dy, dz, zpos;

    const Float_t cz[1]={975.};
    
    zpos=cz[0];

    dx=11*.975/2;
    dy=18*.55/2;
    dz=0.325;

    new TBRIK("C_MUON101","Mother volume for Proto.","void",dx*2,dy*2,dz*2);
    TBRIK* PROTO = new TBRIK("PROT", "Proto. Sens. Region","void",dx,dy,dz);
    Top->cd();
    Node = new TNode("MUON101","ChamberNode","C_MUON101",0,0,zpos,"");
    Node->SetLineColor(kColorMUON);
    Node->SetVisibility(0);    
    fNodes->Add(Node);
    Node->cd();
    Node = new TNode("MUON201", "Proto. Sens. Region Node", PROTO, -dx, dy, dz);
    Node->SetLineColor(kColorMUON);    

}

//_____________________________________________________________________________
void AliMUONproto::FindClusters(Int_t nev, Int_t last_entry)
{

//
// Loop on chambers and on cathode planes
//
  for (Int_t icat = 0; icat < 2; icat++) {
	    gAlice->ResetDigits();
 	    gAlice->TreeD()->GetEvent(last_entry+icat);
            
      for (Int_t ich = 0; ich < kNTrackingCh; ich++) {
	  AliMUONChamber* iChamber=(AliMUONChamber*) (*fChambers)[ich];
	  TClonesArray *MUONdigits  = this->DigitsAddress(ich);
	  if (MUONdigits == 0) continue;
          //
	  // Get ready the current chamber stuff
	  //

          AliMUONResponse* response = iChamber->ResponseModel();
	  AliMUONSegmentation* seg = iChamber->SegmentationModel(icat+1);
	  AliMUONClusterFinder* rec = iChamber->ReconstructionModel();

          if (seg) {	  
	      rec->SetSegmentation(seg);
	      rec->SetResponse(response);
	      rec->SetDigits(MUONdigits);
	      rec->SetChamber(ich);
	      rec->FindRawClusters();
	  }
          
          TClonesArray *fRch;
	  fRch=RawClustAddress(ich);
	  fRch->Sort();
          // it seems to work
          
      } // for ich
      // fill the tree
      gAlice->TreeR()->Fill();

      ResetRawClusters();
  } // for icat

  char hname[30];
  sprintf(hname,"TreeR%d",nev);
  gAlice->TreeR()->Write(hname);
  gAlice->TreeR()->Reset();
}

#ifdef WE_FORGRET_THIS_SHIT
//_____________________________________________________________________________
void AliMUONproto::SetThreshold()
{

    ifstream inputFile("/home/alice/guernane/aliroot/pro/MUON/crped190.dat", ios::in);

    if (inputFile.fail()) {
        cout << "Error opening file" << endl;
        exit(2);
    }

    char buff[32];
    Int_t Serial;
    Int_t Ntrigger;
    Int_t Nchannel;
    Int_t i1;
    Int_t i2;
        
    inputFile >> buff;

    inputFile >> Serial;
    inputFile >> Ntrigger;
    inputFile >> Nchannel;
    inputFile >> i1;
    inputFile >> i2;

    Float_t ped0[Nchannel];
    Float_t sig0[Nchannel];
    Float_t ped1[Nchannel];
    Float_t sig1[Nchannel];
    Int_t ichannel;

    for (Int_t i = 0; i < Nchannel-1; i++) {
    ped0[i] = 0;
    sig0[i] = 0;
    ped1[i] = 0;
    sig1[i] = 0;        
    }
    
    for (Int_t i = 0; i < Nchannel-1; i++) {
        inputFile >> ichannel;
        inputFile >> ped0[i];
        inputFile >> sig0[i];
        inputFile >> ped1[i];
        inputFile >> sig1[i];
        fThreshold[i] = fNsigma*sig1[i];        
    }
    
    inputFile.close();    
}
#endif
Commit	Line	Data
a9e2aefa	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	7	* Permission to use, copy, modify and distribute this software and its *
	8	* documentation strictly for non-commercial purposes is hereby granted *
	9	* without fee, provided that the above copyright notice appears in all *
	10	* copies and that both the copyright notice and this permission notice *
	11	* appear in the supporting documentation. The authors make no claims *
	12	* about the suitability of this software for any purpose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
2ab0c725	15
88cb7938	16	/* $Id$ */
a9e2aefa	17
	18	/*
	19	Implementation of MUON Chamber Prototype Class
	20	Both read digits from raw data or use the Monte-Carlo.
	21	1-Feb-2000 Rachid GUERNANE, IPN Lyon guernane@ipnl.in2p3.fr
	22	*/
	23
	24
	25	////////////////////////////////////////////////
	26	// Manager and hits classes for set:PROTO //
	27	////////////////////////////////////////////////
	28
	29	#include <TTUBE.h>
	30	#include <TBRIK.h>
	31	#include <TRotMatrix.h>
	32	#include <TNode.h>
	33	#include <TTree.h>
	34	#include <TRandom.h>
	35	#include <TObject.h>
	36	#include <TVector.h>
	37	#include <TObjArray.h>
	38	#include <TMinuit.h>
	39	#include <TParticle.h>
	40	#include <TROOT.h>
	41	#include <TFile.h>
	42	#include <TNtuple.h>
	43	#include <TCanvas.h>
	44	#include <TPad.h>
	45	#include <TDirectory.h>
	46	#include <TObjectTable.h>
	47	#include <AliPDG.h>
	48	#include <TArrayI.h>
	49	#include <AliDetector.h>
	50
4bc2de9c	51	#include "AliMUONChamber.h"
a9e2aefa	52	#include "AliMUONproto.h"
4bc2de9c	53	#include "AliMUONHit.h"
a9e2aefa	54	#include "TTUBE.h"
	55	#include "AliMUONClusterFinder.h"
	56	#include "AliRun.h"
70479d0e	57	#include "Riostream.h"
a9e2aefa	58	#include "AliCallf77.h"
a9e2aefa	59	#include "AliConst.h"
4bc2de9c	60	//#include "chainalice2.h"
	61	#include "AliMUONSegmentationV0.h"
	62	//#include "AliMUONSegResV11.h"
a9e2aefa	63
	64	ClassImp(AliMUONproto)
	65
	66	//___________________________________________
	67	AliMUONproto::AliMUONproto()
	68	: AliMUON()
	69	{
	70	cout << "\n Calling AliMUONproto constructor..." << endl;
	71
	72	//
	73	//
	74	//
	75	}
	76
	77	//___________________________________________
	78	AliMUONproto::AliMUONproto(const char name, const char title)
	79	: AliMUON(name,title)
	80	// AliMUON defines everything, but the chamber for NCH=1
	81	{
	82
	83	// z-Positions of Chambers
	84	const Float_t zch[1] = {975.};
	85	//
	86	// inner diameter
	87	const Float_t dmi[1] = {0.};
	88	//
	89	// outer diameter
	90	const Float_t dma[1] = {29.2};
	91	//
	92	//
	93	// Default Parameters for ALICE2 prototype
	94
	95	//
	96	(*fChambers)[0] = new AliMUONChamber();
	97	AliMUONChamber* chamber = (AliMUONChamber) (fChambers)[0];
	98	chamber->SetGid(0);
4bc2de9c	99	chamber->SetZ(zch[0]);
a9e2aefa	100	//
	101	chamber->InitGeo(zch[0]);
	102	chamber->SetRInner(dmi[0]/2);
	103	chamber->SetROuter(dma[0]/2);
	104
	105	for (int i = 0; i <= 99; i++) {
	106	fThreshold[i] = 0.;
	107	}
	108
	109	}
	110
4bc2de9c	111	#ifdef WE_FORGET_FOR_THE_MOMENT
a9e2aefa	112	//___________________________________________
	113	void AliMUONproto::GetRawDigits(Int_t evnb, Int_t *lptr, Int_t ilen) {
	114
	115	Int_t ip = 0;
	116	Int_t equip = 0;
	117	Int_t nochnl;
	118	Int_t loop;
	119	Int_t val;
	120	Int_t itype;
	121	Int_t id;
	122	Int_t serial;
	123	Int_t equiplen;
	124
	125	Int_t digits[5];
	126
	127	AliMUON* MUON = (AliMUON*)gAlice->GetModule("MUON");
4bc2de9c	128	AliMUONSegmentationV0* seg = (AliMUONSegmentationV0*) Chamber(0).SegmentationModel(1);
a9e2aefa	129
	130	Int_t tracks[10];
	131	Int_t charges[10];
	132
	133	for (Int_t i = 0; i < 10; i++) {
	134	tracks[i] = 0;
	135	charges[i] = 0;
	136	}
	137
	138	Int_t ich = 0;
	139
	140	nwtype:
	141
	142	itype = lptr[ip++];
	143	id = lptr[ip++];
	144	equiplen = lptr[ip++];
	145
	146	if (equiplen < 0 ) return;
	147
	148	if (itype != (int)(0XCACCA008)) {
	149	ip += equiplen;
	150	if (ip < ilen-2) goto nwtype;
	151	}
	152	else {
	153	serial = id >> 16;
	154	equip = id & 0x1;
	155	if ((serial == 190) && (equip == 1)) {
	156	for (loop = 0; loop < equiplen; loop++) {
	157	nochnl = (lptr[ip] & 0x7ff000 ) >> 12;
	158	val = lptr[ip] & 0x3ff;
	159	// fill digits from raw data according to cathode connexions
	160	if (group[nochnl][2][1]!=0)
	161	digits[0] = group[nochnl][2][1] - 12;
	162	else if (group[nochnl][1][1]!=0)
	163	digits[0] = group[nochnl][1][1] - 12;
	164	else
	165	digits[0] = group[nochnl][0][1] - 12;
	166	digits[1] = group[nochnl][0][0];
	167	if (digits[0] != seg->Ix(digits[0], digits[1]))
	168	printf("Pb pour ix=%d,iy=%d\n", digits[0], digits[1]);
	169	digits[2] = val;
	170	digits[3] = 0;
	171	digits[4] = 0;
	172	if (digits[2] >= fThreshold[nochnl])
	173	MUON->AddDigits(ich, tracks, charges, digits);
	174
	175	ip++;
	176	}
	177	}
	178	else
	179	ip += equiplen;
	180
	181	if (ip < ilen-2) goto nwtype;
	182	}
	183
	184	gAlice->TreeD()->Fill();
	185	MUON->ResetDigits();
	186
	187	gAlice->TreeD()->Fill();
	188	MUON->ResetDigits();
	189
	190	char hname[30];
	191	sprintf(hname, "TreeD%d", evnb);
2ab0c725	192	gAlice->TreeD()->Write(hname,TObject::kOverwrite);
a9e2aefa	193	// reset tree
	194	gAlice->TreeD()->Reset();
	195
	196	}
4bc2de9c	197	#endif
a9e2aefa	198
	199	//___________________________________________
	200	void AliMUONproto::SetPadSize(Int_t id, Int_t isec, Float_t p1, Float_t p2)
	201	{
	202	Int_t i=2*(id-1);
	203	((AliMUONChamber)(fChambers)[i])->SetPadSize(isec,p1,p2);
	204	}
	205
	206	//___________________________________________
	207	void AliMUONproto::SetChargeSlope(Int_t id, Float_t p1)
	208	{
	209	Int_t i=2*(id-1);
	210	((AliMUONChamber) (fChambers)[i])->SetChargeSlope(p1);
	211	}
	212
	213	//___________________________________________
	214	void AliMUONproto::SetChargeSpread(Int_t id, Float_t p1, Float_t p2)
	215	{
	216	Int_t i=2*(id-1);
	217	((AliMUONChamber) (fChambers)[i])->SetChargeSpread(p1,p2);
	218	}
	219
	220	//___________________________________________
	221	void AliMUONproto::SetMaxAdc(Int_t id, Float_t p1)
	222	{
	223	Int_t i=2*(id-1);
	224	((AliMUONChamber) (fChambers)[i])->SetMaxAdc(p1);
	225	}
	226
	227	//___________________________________________
	228	void AliMUONproto::CreateGeometry()
	229	{
	230	Int_t *idtmed = fIdtmed->GetArray()-1099;
	231	//
	232	Float_t zpos;
	233	Float_t bpar[3];
	234	Int_t idGas=idtmed[1100];
	235
	236	AliMUONChamber *iChamber;
	237	//********************************************************************
	238	// Prototype ALICE2 **
	239	//********************************************************************
	240	iChamber=(AliMUONChamber) (fChambers)[0];
	241
4bc2de9c	242	zpos=iChamber->Z();
a9e2aefa	243	//
	244	const Float_t X_POS = 11*.975/2; //half x
	245	const Float_t Y_POS = 18*.55/2; //half y
	246	const Float_t Z_POS = 0.325;
	247
	248	bpar[0] = X_POS;
	249	bpar[1] = Y_POS;
	250	bpar[2] = Z_POS;
	251
	252	gMC->Gsvolu("C01G", "BOX", idGas, bpar, 3);
	253	gMC->Gspos("C01G", 1, "ALIC", -bpar[0], bpar[1], zpos, 0, "ONLY");
	254	}
	255
	256	//___________________________________________
	257	void AliMUONproto::CreateMaterials()
	258	{
	259	// * DEFINITION OF AVAILABLE MUON MATERIALS *
	260	//
	261	// Ar-CO2 gas
	262	Float_t ag1[3] = { 39.95,12.01,16. };
	263	Float_t zg1[3] = { 18.,6.,8. };
	264	Float_t wg1[3] = { .8,.0667,.13333 };
	265	Float_t dg1 = .001821;
	266
	267	Float_t epsil = .001; // Tracking precision,
	268	Float_t tmaxfd = -20.; // Maximum angle due to field deflection
	269	Float_t stmin = -.8;
	270	Int_t ISXFLD = gAlice->Field()->Integ();
	271	Float_t SXMGMX = gAlice->Field()->Max();
	272
	273	//
	274	// --- Define the various materials for GEANT ---
	275	AliMixture(22, "ArCO2 80%$", ag1, zg1, dg1, 3, wg1);
	276
	277	//
	278	// Ar/CO2
	279	AliMedium(1, "ARG_CO2 ", 22, 1, ISXFLD, SXMGMX, tmaxfd, fMaxStepGas,
	280	fMaxDestepAlu, epsil, stmin);
	281	// Air
	282	//AliMedium(1, "AIR_CH_US ", 15, 1, ISXFLD, SXMGMX, tmaxfd, -1., -.3, epsil, stmin);
	283	}
	284
	285	//___________________________________________
	286	void AliMUONproto::Init()
	287	{
	288	printf("\n\n\n Start Init for Prototype ALICE2 - CPC chamber type\n\n\n");
	289
	290	//
	291	// Initialize Tracking Chambers
	292	//
	293
	294	( (AliMUONChamber) (fChambers)[0])->Init();
	295
	296	//
	297	// Set the chamber (sensitive region) GEANT identifier
a9e2aefa	298	((AliMUONChamber)(fChambers)[0])->SetGid(gMC->VolId("C01G"));
	299
	300	printf("\n\n\n Finished Init for Prototype ALICE2 - CPC chamber type\n\n\n");
	301
	302	}
	303
	304	//___________________________________________
	305	void AliMUONproto::StepManager()
	306	{
	307	Int_t copy, id;
	308	static Int_t idvol;
	309	static Int_t vol[2];
	310	Int_t ipart;
	311	TLorentzVector pos;
	312	TLorentzVector mom;
	313	Float_t theta,phi;
	314	Float_t destep, step;
	315
	316	static Float_t eloss, eloss2, xhit, yhit, tlength;
	317	const Float_t big=1.e10;
	318
	319	// modifs perso
	320	static Float_t hits[14];
	321
	322	TClonesArray &lhits = *fHits;
	323
	324	//
	325	// Set maximum step size for gas
	326	// numed=gMC->GetMedium();
	327	//
	328	// Only charged tracks
	329	if( !(gMC->TrackCharge()) ) return;
	330	//
	331	// Only gas gap inside chamber
	332	// Tag chambers and record hits when track enters
	333	idvol=-1;
	334	id=gMC->CurrentVolID(copy);
	335
4bc2de9c	336	for (Int_t i=1; i<=kNCH; i++) {
a9e2aefa	337	if(id==((AliMUONChamber)(fChambers)[i-1])->GetGid()){
	338	vol[0]=i;
	339	idvol=i-1;
	340	}
	341	}
	342	if (idvol == -1) return;
	343	//
	344	// Get current particle id (ipart), track position (pos) and momentum (mom)
	345	gMC->TrackPosition(pos);
	346	gMC->TrackMomentum(mom);
	347
	348	ipart = gMC->TrackPid();
	349	//Int_t ipart1 = gMC->IdFromPDG(ipart);
	350	//printf("ich, ipart %d %d \n",vol[0],ipart1);
	351
	352	//
	353	// momentum loss and steplength in last step
	354	destep = gMC->Edep();
	355	step = gMC->TrackStep();
	356
	357	//
	358	// record hits when track enters ...
	359	if( gMC->IsTrackEntering()) {
	360	gMC->SetMaxStep(fMaxStepGas);
	361	Double_t tc = mom[0]mom[0]+mom[1]mom[1];
	362	Double_t rt = TMath::Sqrt(tc);
	363	Double_t pmom = TMath::Sqrt(tc+mom[2]*mom[2]);
	364	Double_t tx=mom[0]/pmom;
	365	Double_t ty=mom[1]/pmom;
	366	Double_t tz=mom[2]/pmom;
	367	Double_t s=((AliMUONChamber)(fChambers)[idvol])
4bc2de9c	368	->ResponseModel()
a9e2aefa	369	->Pitch()/tz;
	370	theta = Float_t(TMath::ATan2(rt,Double_t(mom[2])))*kRaddeg;
	371	phi = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg;
	372	hits[0] = Float_t(ipart); // Geant3 particle type
	373	hits[1] = pos[0]+s*tx; // X-position for hit
	374	hits[2] = pos[1]+s*ty; // Y-position for hit
	375	hits[3] = pos[2]+s*tz; // Z-position for hit
	376	hits[4] = theta; // theta angle of incidence
	377	hits[5] = phi; // phi angle of incidence
4bc2de9c	378	hits[8] = (Float_t) fNPadHits; // first padhit
a9e2aefa	379	hits[9] = -1; // last pad hit
	380
	381	// modifs perso
	382	hits[10] = mom[3]; // hit momentum P
	383	hits[11] = mom[0]; // Px/P
	384	hits[12] = mom[1]; // Py/P
	385	hits[13] = mom[2]; // Pz/P
	386	// fin modifs perso
	387
	388	// phi angle of incidence
	389	tlength = 0;
	390	eloss = 0;
	391	eloss2 = 0;
	392	xhit = pos[0];
	393	yhit = pos[1];
	394	// Only if not trigger chamber
	395	if(idvol<10) {
	396	//
	397	// Initialize hit position (cursor) in the segmentation model
	398	((AliMUONChamber) (fChambers)[idvol])
	399	->SigGenInit(pos[0], pos[1], pos[2]);
	400	} else {
	401	//geant3->Gpcxyz();
	402	//printf("In the Trigger Chamber #%d\n",idvol-9);
	403	}
	404	}
	405	eloss2+=destep;
	406
	407	//
	408	// Calculate the charge induced on a pad (disintegration) in case
	409	//
	410	// Mip left chamber ...
	411	if( gMC->IsTrackExiting() \|\| gMC->IsTrackStop() \|\| gMC->IsTrackDisappeared()){
	412	gMC->SetMaxStep(big);
	413	eloss += destep;
	414	tlength += step;
	415
	416	// Only if not trigger chamber
	417	if(idvol<10) {
	418	if (eloss > 0)
4bc2de9c	419	MakePadHits(0.5(xhit+pos[0]),0.5(yhit+pos[1]),eloss,0.0,idvol);
a9e2aefa	420	}
	421
	422	hits[6]=tlength;
	423	hits[7]=eloss2;
4bc2de9c	424	if (fNPadHits > (Int_t)hits[8]) {
a9e2aefa	425	hits[8]= hits[8]+1;
4bc2de9c	426	hits[9]= (Float_t) fNPadHits;
a9e2aefa	427	}
	428
	429	new(lhits[fNhits++])
642f15cf	430	AliMUONHit(fIshunt,gAlice->GetCurrentTrackNumber(),vol,hits);
a9e2aefa	431	eloss = 0;
	432	//
	433	// Check additional signal generation conditions
	434	// defined by the segmentation
	435	// model (boundary crossing conditions)
	436	} else if
	437	(((AliMUONChamber) (fChambers)[idvol])
	438	->SigGenCond(pos[0], pos[1], pos[2]))
	439	{
	440	((AliMUONChamber) (fChambers)[idvol])
	441	->SigGenInit(pos[0], pos[1], pos[2]);
	442	// printf("\n-> MakePadHits, reason special %d",ipart);
	443	if (eloss > 0)
4bc2de9c	444	MakePadHits(0.5(xhit+pos[0]),0.5(yhit+pos[1]),eloss,0.0,idvol);
a9e2aefa	445	xhit = pos[0];
	446	yhit = pos[1];
	447	eloss = destep;
	448	tlength += step ;
	449	//
	450	// nothing special happened, add up energy loss
	451	} else {
	452	eloss += destep;
	453	tlength += step ;
	454	}
	455	}
	456
	457	//___________________________________________
	458	void AliMUONproto::BuildGeometry()
	459	{
	460	TNode *Node;
	461	TNode *Top;
	462
	463	const int kColorMUON = kBlue;
	464	//
	465	Top=gAlice->GetGeometry()->GetNode("alice");
	466	//
	467	//
	468	//
	469	float dx, dy, dz, zpos;
	470
	471	const Float_t cz[1]={975.};
	472
	473	zpos=cz[0];
	474
	475	dx=11*.975/2;
	476	dy=18*.55/2;
	477	dz=0.325;
	478
	479	new TBRIK("C_MUON101","Mother volume for Proto.","void",dx2,dy2,dz*2);
	480	TBRIK* PROTO = new TBRIK("PROT", "Proto. Sens. Region","void",dx,dy,dz);
	481	Top->cd();
	482	Node = new TNode("MUON101","ChamberNode","C_MUON101",0,0,zpos,"");
	483	Node->SetLineColor(kColorMUON);
	484	Node->SetVisibility(0);
	485	fNodes->Add(Node);
	486	Node->cd();
	487	Node = new TNode("MUON201", "Proto. Sens. Region Node", PROTO, -dx, dy, dz);
	488	Node->SetLineColor(kColorMUON);
	489
	490	}
	491
	492	//_____________________________________________________________________________
	493	void AliMUONproto::FindClusters(Int_t nev, Int_t last_entry)
	494	{
	495
	496	//
	497	// Loop on chambers and on cathode planes
	498	//
	499	for (Int_t icat = 0; icat < 2; icat++) {
	500	gAlice->ResetDigits();
	501	gAlice->TreeD()->GetEvent(last_entry+icat);
	502
4bc2de9c	503	for (Int_t ich = 0; ich < kNTrackingCh; ich++) {
a9e2aefa	504	AliMUONChamber* iChamber=(AliMUONChamber) (fChambers)[ich];
	505	TClonesArray *MUONdigits = this->DigitsAddress(ich);
	506	if (MUONdigits == 0) continue;
	507	//
	508	// Get ready the current chamber stuff
	509	//
	510
4bc2de9c	511	AliMUONResponse* response = iChamber->ResponseModel();
	512	AliMUONSegmentation* seg = iChamber->SegmentationModel(icat+1);
	513	AliMUONClusterFinder* rec = iChamber->ReconstructionModel();
a9e2aefa	514
	515	if (seg) {
	516	rec->SetSegmentation(seg);
	517	rec->SetResponse(response);
	518	rec->SetDigits(MUONdigits);
	519	rec->SetChamber(ich);
	520	rec->FindRawClusters();
	521	}
	522
	523	TClonesArray *fRch;
	524	fRch=RawClustAddress(ich);
	525	fRch->Sort();
	526	// it seems to work
	527
	528	} // for ich
	529	// fill the tree
	530	gAlice->TreeR()->Fill();
	531
	532	ResetRawClusters();
	533	} // for icat
	534
	535	char hname[30];
	536	sprintf(hname,"TreeR%d",nev);
	537	gAlice->TreeR()->Write(hname);
	538	gAlice->TreeR()->Reset();
	539	}
	540
4bc2de9c	541	#ifdef WE_FORGRET_THIS_SHIT
a9e2aefa	542	//_____________________________________________________________________________
	543	void AliMUONproto::SetThreshold()
	544	{
	545
	546	ifstream inputFile("/home/alice/guernane/aliroot/pro/MUON/crped190.dat", ios::in);
	547
	548	if (inputFile.fail()) {
	549	cout << "Error opening file" << endl;
	550	exit(2);
	551	}
	552
	553	char buff[32];
	554	Int_t Serial;
	555	Int_t Ntrigger;
	556	Int_t Nchannel;
	557	Int_t i1;
	558	Int_t i2;
	559
	560	inputFile >> buff;
	561
	562	inputFile >> Serial;
	563	inputFile >> Ntrigger;
	564	inputFile >> Nchannel;
	565	inputFile >> i1;
	566	inputFile >> i2;
	567
	568	Float_t ped0[Nchannel];
	569	Float_t sig0[Nchannel];
	570	Float_t ped1[Nchannel];
	571	Float_t sig1[Nchannel];
	572	Int_t ichannel;
	573
	574	for (Int_t i = 0; i < Nchannel-1; i++) {
	575	ped0[i] = 0;
	576	sig0[i] = 0;
	577	ped1[i] = 0;
	578	sig1[i] = 0;
	579	}
	580
	581	for (Int_t i = 0; i < Nchannel-1; i++) {
	582	inputFile >> ichannel;
	583	inputFile >> ped0[i];
	584	inputFile >> sig0[i];
	585	inputFile >> ped1[i];
	586	inputFile >> sig1[i];
	587	fThreshold[i] = fNsigma*sig1[i];
	588	}
	589
	590	inputFile.close();
	591	}
6b677e96	592	#endif