[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.                  *
 **************************************************************************/
/*
$Log$
Revision 1.2  2000/06/15 07:58:49  morsch
Code from MUON-dev joined

Revision 1.1.2.1  2000/04/18 09:11:15  morsch
Implementation of MUON Chamber Prototype Class
Both read digits from raw data or use the Monte-Carlo.
Rachid GUERNANE, IPN Lyon guernane@ipnl.in2p3.fr

*/

/*
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 "AliMC.h"
#include "iostream.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);
    // 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
   AliMC* gMC = AliMC::GetMC(); 
   ((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->CurrentTrack(),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	**************************************************************************/
	15	/*
	16	$Log$
4bc2de9c	17	Revision 1.2 2000/06/15 07:58:49 morsch
	18	Code from MUON-dev joined
	19
a9e2aefa	20	Revision 1.1.2.1 2000/04/18 09:11:15 morsch
	21	Implementation of MUON Chamber Prototype Class
	22	Both read digits from raw data or use the Monte-Carlo.
	23	Rachid GUERNANE, IPN Lyon guernane@ipnl.in2p3.fr
	24
	25	*/
	26
	27	/*
	28	Implementation of MUON Chamber Prototype Class
	29	Both read digits from raw data or use the Monte-Carlo.
	30	1-Feb-2000 Rachid GUERNANE, IPN Lyon guernane@ipnl.in2p3.fr
	31	*/
	32
	33
	34	////////////////////////////////////////////////
	35	// Manager and hits classes for set:PROTO //
	36	////////////////////////////////////////////////
	37
	38	#include <TTUBE.h>
	39	#include <TBRIK.h>
	40	#include <TRotMatrix.h>
	41	#include <TNode.h>
	42	#include <TTree.h>
	43	#include <TRandom.h>
	44	#include <TObject.h>
	45	#include <TVector.h>
	46	#include <TObjArray.h>
	47	#include <TMinuit.h>
	48	#include <TParticle.h>
	49	#include <TROOT.h>
	50	#include <TFile.h>
	51	#include <TNtuple.h>
	52	#include <TCanvas.h>
	53	#include <TPad.h>
	54	#include <TDirectory.h>
	55	#include <TObjectTable.h>
	56	#include <AliPDG.h>
	57	#include <TArrayI.h>
	58	#include <AliDetector.h>
	59
4bc2de9c	60	#include "AliMUONChamber.h"
a9e2aefa	61	#include "AliMUONproto.h"
4bc2de9c	62	#include "AliMUONHit.h"
a9e2aefa	63	#include "TTUBE.h"
	64	#include "AliMUONClusterFinder.h"
	65	#include "AliRun.h"
	66	#include "AliMC.h"
	67	#include "iostream.h"
	68	#include "AliCallf77.h"
	69	#include "AliConst.h"
4bc2de9c	70	//#include "chainalice2.h"
	71	#include "AliMUONSegmentationV0.h"
	72	//#include "AliMUONSegResV11.h"
a9e2aefa	73
	74	ClassImp(AliMUONproto)
	75
	76	//___________________________________________
	77	AliMUONproto::AliMUONproto()
	78	: AliMUON()
	79	{
	80	cout << "\n Calling AliMUONproto constructor..." << endl;
	81
	82	//
	83	//
	84	//
	85	}
	86
	87	//___________________________________________
	88	AliMUONproto::AliMUONproto(const char name, const char title)
	89	: AliMUON(name,title)
	90	// AliMUON defines everything, but the chamber for NCH=1
	91	{
	92
	93	// z-Positions of Chambers
	94	const Float_t zch[1] = {975.};
	95	//
	96	// inner diameter
	97	const Float_t dmi[1] = {0.};
	98	//
	99	// outer diameter
	100	const Float_t dma[1] = {29.2};
	101	//
	102	//
	103	// Default Parameters for ALICE2 prototype
	104
	105	//
	106	(*fChambers)[0] = new AliMUONChamber();
	107	AliMUONChamber* chamber = (AliMUONChamber) (fChambers)[0];
	108	chamber->SetGid(0);
4bc2de9c	109	chamber->SetZ(zch[0]);
a9e2aefa	110	//
	111	chamber->InitGeo(zch[0]);
	112	chamber->SetRInner(dmi[0]/2);
	113	chamber->SetROuter(dma[0]/2);
	114
	115	for (int i = 0; i <= 99; i++) {
	116	fThreshold[i] = 0.;
	117	}
	118
	119	}
	120
4bc2de9c	121	#ifdef WE_FORGET_FOR_THE_MOMENT
a9e2aefa	122	//___________________________________________
	123	void AliMUONproto::GetRawDigits(Int_t evnb, Int_t *lptr, Int_t ilen) {
	124
	125	Int_t ip = 0;
	126	Int_t equip = 0;
	127	Int_t nochnl;
	128	Int_t loop;
	129	Int_t val;
	130	Int_t itype;
	131	Int_t id;
	132	Int_t serial;
	133	Int_t equiplen;
	134
	135	Int_t digits[5];
	136
	137	AliMUON* MUON = (AliMUON*)gAlice->GetModule("MUON");
4bc2de9c	138	AliMUONSegmentationV0* seg = (AliMUONSegmentationV0*) Chamber(0).SegmentationModel(1);
a9e2aefa	139
	140	Int_t tracks[10];
	141	Int_t charges[10];
	142
	143	for (Int_t i = 0; i < 10; i++) {
	144	tracks[i] = 0;
	145	charges[i] = 0;
	146	}
	147
	148	Int_t ich = 0;
	149
	150	nwtype:
	151
	152	itype = lptr[ip++];
	153	id = lptr[ip++];
	154	equiplen = lptr[ip++];
	155
	156	if (equiplen < 0 ) return;
	157
	158	if (itype != (int)(0XCACCA008)) {
	159	ip += equiplen;
	160	if (ip < ilen-2) goto nwtype;
	161	}
	162	else {
	163	serial = id >> 16;
	164	equip = id & 0x1;
	165	if ((serial == 190) && (equip == 1)) {
	166	for (loop = 0; loop < equiplen; loop++) {
	167	nochnl = (lptr[ip] & 0x7ff000 ) >> 12;
	168	val = lptr[ip] & 0x3ff;
	169	// fill digits from raw data according to cathode connexions
	170	if (group[nochnl][2][1]!=0)
	171	digits[0] = group[nochnl][2][1] - 12;
	172	else if (group[nochnl][1][1]!=0)
	173	digits[0] = group[nochnl][1][1] - 12;
	174	else
	175	digits[0] = group[nochnl][0][1] - 12;
	176	digits[1] = group[nochnl][0][0];
	177	if (digits[0] != seg->Ix(digits[0], digits[1]))
	178	printf("Pb pour ix=%d,iy=%d\n", digits[0], digits[1]);
	179	digits[2] = val;
	180	digits[3] = 0;
	181	digits[4] = 0;
	182	if (digits[2] >= fThreshold[nochnl])
	183	MUON->AddDigits(ich, tracks, charges, digits);
	184
	185	ip++;
	186	}
	187	}
	188	else
	189	ip += equiplen;
	190
	191	if (ip < ilen-2) goto nwtype;
	192	}
	193
	194	gAlice->TreeD()->Fill();
	195	MUON->ResetDigits();
	196
	197	gAlice->TreeD()->Fill();
	198	MUON->ResetDigits();
	199
	200	char hname[30];
	201	sprintf(hname, "TreeD%d", evnb);
	202	gAlice->TreeD()->Write(hname);
203	// reset tree
204	gAlice->TreeD()->Reset();
205
206	}
4bc2de9c	207	#endif
a9e2aefa	208
	209	//___________________________________________
	210	void AliMUONproto::SetPadSize(Int_t id, Int_t isec, Float_t p1, Float_t p2)
	211	{
	212	Int_t i=2*(id-1);
	213	((AliMUONChamber)(fChambers)[i])->SetPadSize(isec,p1,p2);
	214	}
	215
	216	//___________________________________________
	217	void AliMUONproto::SetChargeSlope(Int_t id, Float_t p1)
	218	{
	219	Int_t i=2*(id-1);
	220	((AliMUONChamber) (fChambers)[i])->SetChargeSlope(p1);
	221	}
	222
	223	//___________________________________________
	224	void AliMUONproto::SetChargeSpread(Int_t id, Float_t p1, Float_t p2)
	225	{
	226	Int_t i=2*(id-1);
	227	((AliMUONChamber) (fChambers)[i])->SetChargeSpread(p1,p2);
	228	}
	229
	230	//___________________________________________
	231	void AliMUONproto::SetMaxAdc(Int_t id, Float_t p1)
	232	{
	233	Int_t i=2*(id-1);
	234	((AliMUONChamber) (fChambers)[i])->SetMaxAdc(p1);
	235	}
	236
	237	//___________________________________________
	238	void AliMUONproto::CreateGeometry()
	239	{
	240	Int_t *idtmed = fIdtmed->GetArray()-1099;
	241	//
	242	Float_t zpos;
	243	Float_t bpar[3];
	244	Int_t idGas=idtmed[1100];
	245
	246	AliMUONChamber *iChamber;
	247	//********************************************************************
	248	// Prototype ALICE2 **
	249	//********************************************************************
	250	iChamber=(AliMUONChamber) (fChambers)[0];
	251
4bc2de9c	252	zpos=iChamber->Z();
a9e2aefa	253	//
	254	const Float_t X_POS = 11*.975/2; //half x
	255	const Float_t Y_POS = 18*.55/2; //half y
	256	const Float_t Z_POS = 0.325;
	257
	258	bpar[0] = X_POS;
	259	bpar[1] = Y_POS;
	260	bpar[2] = Z_POS;
	261
	262	gMC->Gsvolu("C01G", "BOX", idGas, bpar, 3);
	263	gMC->Gspos("C01G", 1, "ALIC", -bpar[0], bpar[1], zpos, 0, "ONLY");
	264	}
	265
	266	//___________________________________________
	267	void AliMUONproto::CreateMaterials()
	268	{
	269	// * DEFINITION OF AVAILABLE MUON MATERIALS *
	270	//
	271	// Ar-CO2 gas
	272	Float_t ag1[3] = { 39.95,12.01,16. };
	273	Float_t zg1[3] = { 18.,6.,8. };
	274	Float_t wg1[3] = { .8,.0667,.13333 };
	275	Float_t dg1 = .001821;
	276
	277	Float_t epsil = .001; // Tracking precision,
	278	Float_t tmaxfd = -20.; // Maximum angle due to field deflection
	279	Float_t stmin = -.8;
	280	Int_t ISXFLD = gAlice->Field()->Integ();
	281	Float_t SXMGMX = gAlice->Field()->Max();
	282
	283	//
	284	// --- Define the various materials for GEANT ---
	285	AliMixture(22, "ArCO2 80%$", ag1, zg1, dg1, 3, wg1);
	286
	287	//
	288	// Ar/CO2
	289	AliMedium(1, "ARG_CO2 ", 22, 1, ISXFLD, SXMGMX, tmaxfd, fMaxStepGas,
	290	fMaxDestepAlu, epsil, stmin);
	291	// Air
	292	//AliMedium(1, "AIR_CH_US ", 15, 1, ISXFLD, SXMGMX, tmaxfd, -1., -.3, epsil, stmin);
	293	}
	294
	295	//___________________________________________
	296	void AliMUONproto::Init()
	297	{
	298	printf("\n\n\n Start Init for Prototype ALICE2 - CPC chamber type\n\n\n");
	299
	300	//
	301	// Initialize Tracking Chambers
	302	//
	303
	304	( (AliMUONChamber) (fChambers)[0])->Init();
	305
	306	//
	307	// Set the chamber (sensitive region) GEANT identifier
	308	AliMC* gMC = AliMC::GetMC();
	309	((AliMUONChamber)(fChambers)[0])->SetGid(gMC->VolId("C01G"));
	310
	311	printf("\n\n\n Finished Init for Prototype ALICE2 - CPC chamber type\n\n\n");
	312
	313	}
	314
	315	//___________________________________________
	316	void AliMUONproto::StepManager()
317	{
318	Int_t copy, id;
319	static Int_t idvol;
320	static Int_t vol[2];
321	Int_t ipart;
322	TLorentzVector pos;
323	TLorentzVector mom;
324	Float_t theta,phi;
325	Float_t destep, step;
326
327	static Float_t eloss, eloss2, xhit, yhit, tlength;
328	const Float_t big=1.e10;
329
330	// modifs perso
331	static Float_t hits[14];
332
333	TClonesArray &lhits = *fHits;
334
335	//
336	// Set maximum step size for gas
337	// numed=gMC->GetMedium();
338	//
339	// Only charged tracks
340	if( !(gMC->TrackCharge()) ) return;
341	//
342	// Only gas gap inside chamber
343	// Tag chambers and record hits when track enters
344	idvol=-1;
345	id=gMC->CurrentVolID(copy);
346
4bc2de9c	347	for (Int_t i=1; i<=kNCH; i++) {
a9e2aefa	348	if(id==((AliMUONChamber)(fChambers)[i-1])->GetGid()){
	349	vol[0]=i;
	350	idvol=i-1;
	351	}
	352	}
	353	if (idvol == -1) return;
	354	//
	355	// Get current particle id (ipart), track position (pos) and momentum (mom)
	356	gMC->TrackPosition(pos);
	357	gMC->TrackMomentum(mom);
	358
	359	ipart = gMC->TrackPid();
	360	//Int_t ipart1 = gMC->IdFromPDG(ipart);
	361	//printf("ich, ipart %d %d \n",vol[0],ipart1);
	362
	363	//
	364	// momentum loss and steplength in last step
	365	destep = gMC->Edep();
	366	step = gMC->TrackStep();
	367
	368	//
	369	// record hits when track enters ...
	370	if( gMC->IsTrackEntering()) {
	371	gMC->SetMaxStep(fMaxStepGas);
	372	Double_t tc = mom[0]mom[0]+mom[1]mom[1];
	373	Double_t rt = TMath::Sqrt(tc);
	374	Double_t pmom = TMath::Sqrt(tc+mom[2]*mom[2]);
	375	Double_t tx=mom[0]/pmom;
	376	Double_t ty=mom[1]/pmom;
	377	Double_t tz=mom[2]/pmom;
	378	Double_t s=((AliMUONChamber)(fChambers)[idvol])
4bc2de9c	379	->ResponseModel()
a9e2aefa	380	->Pitch()/tz;
	381	theta = Float_t(TMath::ATan2(rt,Double_t(mom[2])))*kRaddeg;
	382	phi = Float_t(TMath::ATan2(Double_t(mom[1]),Double_t(mom[0])))*kRaddeg;
	383	hits[0] = Float_t(ipart); // Geant3 particle type
	384	hits[1] = pos[0]+s*tx; // X-position for hit
	385	hits[2] = pos[1]+s*ty; // Y-position for hit
	386	hits[3] = pos[2]+s*tz; // Z-position for hit
	387	hits[4] = theta; // theta angle of incidence
	388	hits[5] = phi; // phi angle of incidence
4bc2de9c	389	hits[8] = (Float_t) fNPadHits; // first padhit
a9e2aefa	390	hits[9] = -1; // last pad hit
	391
	392	// modifs perso
	393	hits[10] = mom[3]; // hit momentum P
	394	hits[11] = mom[0]; // Px/P
	395	hits[12] = mom[1]; // Py/P
	396	hits[13] = mom[2]; // Pz/P
	397	// fin modifs perso
	398
	399	// phi angle of incidence
	400	tlength = 0;
	401	eloss = 0;
	402	eloss2 = 0;
	403	xhit = pos[0];
	404	yhit = pos[1];
	405	// Only if not trigger chamber
	406	if(idvol<10) {
	407	//
	408	// Initialize hit position (cursor) in the segmentation model
	409	((AliMUONChamber) (fChambers)[idvol])
	410	->SigGenInit(pos[0], pos[1], pos[2]);
	411	} else {
	412	//geant3->Gpcxyz();
	413	//printf("In the Trigger Chamber #%d\n",idvol-9);
	414	}
	415	}
	416	eloss2+=destep;
	417
	418	//
	419	// Calculate the charge induced on a pad (disintegration) in case
	420	//
	421	// Mip left chamber ...
	422	if( gMC->IsTrackExiting() \|\| gMC->IsTrackStop() \|\| gMC->IsTrackDisappeared()){
	423	gMC->SetMaxStep(big);
	424	eloss += destep;
	425	tlength += step;
	426
	427	// Only if not trigger chamber
	428	if(idvol<10) {
	429	if (eloss > 0)
4bc2de9c	430	MakePadHits(0.5(xhit+pos[0]),0.5(yhit+pos[1]),eloss,0.0,idvol);
a9e2aefa	431	}
	432
	433	hits[6]=tlength;
	434	hits[7]=eloss2;
4bc2de9c	435	if (fNPadHits > (Int_t)hits[8]) {
a9e2aefa	436	hits[8]= hits[8]+1;
4bc2de9c	437	hits[9]= (Float_t) fNPadHits;
a9e2aefa	438	}
	439
	440	new(lhits[fNhits++])
	441	AliMUONHit(fIshunt,gAlice->CurrentTrack(),vol,hits);
	442	eloss = 0;
	443	//
	444	// Check additional signal generation conditions
	445	// defined by the segmentation
	446	// model (boundary crossing conditions)
	447	} else if
	448	(((AliMUONChamber) (fChambers)[idvol])
	449	->SigGenCond(pos[0], pos[1], pos[2]))
	450	{
	451	((AliMUONChamber) (fChambers)[idvol])
	452	->SigGenInit(pos[0], pos[1], pos[2]);
	453	// printf("\n-> MakePadHits, reason special %d",ipart);
	454	if (eloss > 0)
4bc2de9c	455	MakePadHits(0.5(xhit+pos[0]),0.5(yhit+pos[1]),eloss,0.0,idvol);
a9e2aefa	456	xhit = pos[0];
	457	yhit = pos[1];
	458	eloss = destep;
	459	tlength += step ;
	460	//
	461	// nothing special happened, add up energy loss
	462	} else {
	463	eloss += destep;
	464	tlength += step ;
	465	}
	466	}
	467
	468	//___________________________________________
	469	void AliMUONproto::BuildGeometry()
	470	{
	471	TNode *Node;
	472	TNode *Top;
	473
	474	const int kColorMUON = kBlue;
	475	//
	476	Top=gAlice->GetGeometry()->GetNode("alice");
	477	//
	478	//
	479	//
	480	float dx, dy, dz, zpos;
	481
	482	const Float_t cz[1]={975.};
	483
	484	zpos=cz[0];
	485
	486	dx=11*.975/2;
	487	dy=18*.55/2;
	488	dz=0.325;
	489
	490	new TBRIK("C_MUON101","Mother volume for Proto.","void",dx2,dy2,dz*2);
	491	TBRIK* PROTO = new TBRIK("PROT", "Proto. Sens. Region","void",dx,dy,dz);
	492	Top->cd();
	493	Node = new TNode("MUON101","ChamberNode","C_MUON101",0,0,zpos,"");
	494	Node->SetLineColor(kColorMUON);
	495	Node->SetVisibility(0);
	496	fNodes->Add(Node);
	497	Node->cd();
	498	Node = new TNode("MUON201", "Proto. Sens. Region Node", PROTO, -dx, dy, dz);
	499	Node->SetLineColor(kColorMUON);
	500
	501	}
	502
	503	//_____________________________________________________________________________
	504	void AliMUONproto::FindClusters(Int_t nev, Int_t last_entry)
	505	{
	506
	507	//
	508	// Loop on chambers and on cathode planes
	509	//
	510	for (Int_t icat = 0; icat < 2; icat++) {
	511	gAlice->ResetDigits();
	512	gAlice->TreeD()->GetEvent(last_entry+icat);
	513
4bc2de9c	514	for (Int_t ich = 0; ich < kNTrackingCh; ich++) {
a9e2aefa	515	AliMUONChamber* iChamber=(AliMUONChamber) (fChambers)[ich];
	516	TClonesArray *MUONdigits = this->DigitsAddress(ich);
	517	if (MUONdigits == 0) continue;
	518	//
	519	// Get ready the current chamber stuff
	520	//
	521
4bc2de9c	522	AliMUONResponse* response = iChamber->ResponseModel();
	523	AliMUONSegmentation* seg = iChamber->SegmentationModel(icat+1);
	524	AliMUONClusterFinder* rec = iChamber->ReconstructionModel();
a9e2aefa	525
	526	if (seg) {
	527	rec->SetSegmentation(seg);
	528	rec->SetResponse(response);
	529	rec->SetDigits(MUONdigits);
	530	rec->SetChamber(ich);
	531	rec->FindRawClusters();
	532	}
	533
	534	TClonesArray *fRch;
	535	fRch=RawClustAddress(ich);
	536	fRch->Sort();
	537	// it seems to work
	538
	539	} // for ich
	540	// fill the tree
	541	gAlice->TreeR()->Fill();
	542
	543	ResetRawClusters();
	544	} // for icat
	545
	546	char hname[30];
	547	sprintf(hname,"TreeR%d",nev);
	548	gAlice->TreeR()->Write(hname);
	549	gAlice->TreeR()->Reset();
	550	}
	551
4bc2de9c	552	#ifdef WE_FORGRET_THIS_SHIT
a9e2aefa	553	//_____________________________________________________________________________
	554	void AliMUONproto::SetThreshold()
	555	{
	556
	557	ifstream inputFile("/home/alice/guernane/aliroot/pro/MUON/crped190.dat", ios::in);
	558
	559	if (inputFile.fail()) {
	560	cout << "Error opening file" << endl;
	561	exit(2);
	562	}
	563
	564	char buff[32];
	565	Int_t Serial;
	566	Int_t Ntrigger;
	567	Int_t Nchannel;
	568	Int_t i1;
	569	Int_t i2;
	570
	571	inputFile >> buff;
	572
	573	inputFile >> Serial;
	574	inputFile >> Ntrigger;
	575	inputFile >> Nchannel;
	576	inputFile >> i1;
	577	inputFile >> i2;
	578
	579	Float_t ped0[Nchannel];
	580	Float_t sig0[Nchannel];
	581	Float_t ped1[Nchannel];
	582	Float_t sig1[Nchannel];
	583	Int_t ichannel;
	584
	585	for (Int_t i = 0; i < Nchannel-1; i++) {
	586	ped0[i] = 0;
	587	sig0[i] = 0;
	588	ped1[i] = 0;
	589	sig1[i] = 0;
	590	}
	591
	592	for (Int_t i = 0; i < Nchannel-1; i++) {
	593	inputFile >> ichannel;
	594	inputFile >> ped0[i];
	595	inputFile >> sig0[i];
	596	inputFile >> ped1[i];
	597	inputFile >> sig1[i];
	598	fThreshold[i] = fNsigma*sig1[i];
	599	}
	600
	601	inputFile.close();
	602	}
4bc2de9c	603	#endif