[u/mrichter/AliRoot.git] / EMCAL / AliEMCALv3.cxx

/**************************************************************************
 * Copyright(c) 1998-2004, 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 version v2 of EMCAL Manager class; SHASHLYK version
//*-- An object of this class does not produce digits
//*-- It is the one to use if you do want to produce outputs in TREEH 
//*--                  
//*-- Author : Aleksei Pavlinov (WSU)

// This Class not stores information on all particles prior to EMCAL entry - in order to facilitate analysis.
// This is done by setting fIShunt =2, and flagging all parents of particles entering the EMCAL.

// --- ROOT system ---
#include "AliEMCALv3.h"
#include "AliEMCALHitv1.h"

#include "TParticle.h"
#include "TVirtualMC.h"
#include "TBrowser.h"
#include "TH2.h"
#include <cassert>

// --- Standard library ---

// --- AliRoot header files ---
#include "AliEMCALGeometry.h"
#include "AliRun.h"
#include "AliHeader.h"
#include "AliMC.h"
#include "AliStack.h"
// for TRD1,2 case

ClassImp(AliEMCALv3)

  //extern "C" void gdaxis_(float &x0, float &y0, float &z0, float &axsiz);


//______________________________________________________________________
AliEMCALv3::AliEMCALv3():AliEMCALv1(){
  // ctor

}

//______________________________________________________________________
AliEMCALv3::AliEMCALv3(const char *name, const char *title): AliEMCALv1(name,title) {
    // Standard Creator.

    fHits= new TClonesArray("AliEMCALHitv1",2000);
    gAlice->GetMCApp()->AddHitList(fHits);

    fNhits    = 0;
    fIshunt   = 2; // All hits are associated with particles entering the calorimeter
    fTimeCut  = 30e-09;

    fGeometry = GetGeometry(); 
}

//______________________________________________________________________
AliEMCALv3::AliEMCALv3(const AliEMCALv3 & emcal):AliEMCALv1(emcal)
{
  fGeometry = emcal.fGeometry;
}

//______________________________________________________________________
AliEMCALv3::~AliEMCALv3(){
    // dtor

    if ( fHits) {
	fHits->Delete();
	delete fHits;
	fHits = 0;
    }
}

//______________________________________________________________________
void AliEMCALv3::AddHit(Int_t shunt, Int_t primary, Int_t tracknumber, Int_t iparent, Float_t ienergy, 
			Int_t id, Float_t * hits,Float_t * p){
    // Add a hit to the hit list.
    // An EMCAL hit is the sum of all hits in a tower section
    //   originating from the same entering particle 
    static Int_t hitCounter=0;
    static AliEMCALHitv1 *newHit=0, *curHit=0;
    static Bool_t deja = kFALSE;

    newHit = new AliEMCALHitv1(shunt, primary, tracknumber, iparent, ienergy, id, hits, p);
    for ( hitCounter = fNhits-1; hitCounter >= 0 && !deja; hitCounter-- ) {
      curHit = (AliEMCALHitv1*) (*fHits)[hitCounter];
	// We add hits with the same tracknumber, while GEANT treats
	// primaries succesively
	if(curHit->GetPrimary() != primary) 
	  break;
	if( *curHit == *newHit ) {
	    *curHit = *curHit + *newHit;
	    deja = kTRUE;
	    //            break; // 30-aug-04 by PAI 
	} // end if
    } // end for hitCounter
    
    if ( !deja ) {
	new((*fHits)[fNhits]) AliEMCALHitv1(*newHit);
	fNhits++;
    }
    //    printf(" fNhits %i \n", fNhits); 
    delete newHit;
}
//______________________________________________________________________
void AliEMCALv3::StepManager(void){
  // Accumulates hits as long as the track stays in a tower

  // position wrt MRS and energy deposited
  static Float_t        xyzte[5]={0.,0.,0.,0.,0.};// position wrt MRS, time and energy deposited
  static Float_t        pmom[4]={0.,0.,0.,0.};
  static TLorentzVector pos; // Lorentz vector of the track current position.
  static TLorentzVector mom; // Lorentz vector of the track current momentum.
  static Float_t ienergy = 0;
  static TString curVolName="";
  static int supModuleNumber=-1, moduleNumber=-1, yNumber=-1, xNumber=-1, absid=-1;
  static int keyGeom=0;
  static char *vn = "SX"; // 15-mar-05
  static int nSMOP[7]={1,3,5,7,9,11}; // 30-mar-05
  static int nSMON[7]={2,4,6,8,10,12};
  static Float_t depositedEnergy=0.0; 

  if(keyGeom == 0) {
    keyGeom = 2;
    if(gMC->VolId("PBMO")==0 || gMC->VolId("WSUC")==1) {
      vn      = "SCMX";   // old TRD2(TRD1) or WSUC
      keyGeom = 1;
    }    
    printf("AliEMCALv3::StepManager():  keyGeom %i : Sensetive volume %s \n", 
    keyGeom, vn); 
    if(gMC->VolId("WSUC")==1) printf(" WSUC - cosmic ray stand geometry \n");
  }
  Int_t tracknumber =  gAlice->GetMCApp()->GetCurrentTrackNumber();

  curVolName = gMC->CurrentVolName();
  if(curVolName.Contains(vn)) { // We are in a scintillator layer
    //    printf(" keyGeom %i : Sensetive volume %s (%s) \n", keyGeom, curVolName.Data(), vn); 
    
    if( ((depositedEnergy = gMC->Edep()) > 0.)  && (gMC->TrackTime() < fTimeCut)){// Track is inside a scintillator and deposits some energy
      //       Info("StepManager "," entry %i DE %f",++ientry, depositedEnergy); // for testing
       if (fCurPrimary==-1) 
	fCurPrimary=gAlice->GetMCApp()->GetPrimary(tracknumber);

      if (fCurParent==-1 || tracknumber != fCurTrack) {
	// Check parentage
	Int_t parent=tracknumber;
	if (fCurParent != -1) {
	  while (parent != fCurParent && parent != -1) {
	    TParticle *part=gAlice->GetMCApp()->Particle(parent);
	    parent=part->GetFirstMother();
	  }
	}
	if (fCurParent==-1 || parent==-1) {
	  Int_t parent=tracknumber;
	  TParticle *part=gAlice->GetMCApp()->Particle(parent);
	  while (parent != -1 && fGeometry->IsInEMCAL(part->Vx(),part->Vy(),part->Vz())) {
	    parent=part->GetFirstMother();
	    if (parent!=-1) 
	      part=gAlice->GetMCApp()->Particle(parent);
	  } 
	  fCurParent=parent;
	  if (fCurParent==-1)
	    Error("StepManager","Cannot find parent");
	  else {
	    TParticle *part=gAlice->GetMCApp()->Particle(fCurParent);
	    ienergy = part->Energy(); 
	  }
	  while (parent != -1) {
	    part=gAlice->GetMCApp()->Particle(parent);
	    part->SetBit(kKeepBit);
	    parent=part->GetFirstMother();
	  }
	}
	fCurTrack=tracknumber;
      }    
      gMC->TrackPosition(pos);
      xyzte[0] = pos[0];
      xyzte[1] = pos[1];
      xyzte[2] = pos[2];
      xyzte[3] = gMC->TrackTime() ;       
      
      gMC->TrackMomentum(mom);
      pmom[0] = mom[0];
      pmom[1] = mom[1];
      pmom[2] = mom[2];
      pmom[3] = mom[3];
      
      //      if(ientry%200 > 0) return; // testing
      supModuleNumber = moduleNumber = yNumber = xNumber = absid = 0;
      if(keyGeom >= 1) { // old style
        gMC->CurrentVolOffID(4, supModuleNumber);
        gMC->CurrentVolOffID(3, moduleNumber);
        gMC->CurrentVolOffID(1, yNumber);
        gMC->CurrentVolOffID(0, xNumber); // really x number now
        if(strcmp(gMC->CurrentVolOffName(4),"SM10")==0) supModuleNumber += 10; // 13-oct-05
      } else {
        gMC->CurrentVolOffID(5, supModuleNumber);
        gMC->CurrentVolOffID(4, moduleNumber);
        gMC->CurrentVolOffID(1, yNumber);
        gMC->CurrentVolOffID(0, xNumber);
        if     (strcmp(gMC->CurrentVolOffName(5),"SMOP")==0) supModuleNumber = nSMOP[supModuleNumber-1];
        else if(strcmp(gMC->CurrentVolOffName(5),"SMON")==0) supModuleNumber = nSMON[supModuleNumber-1];
        else   assert(0); // something wrong
      }
      absid = fGeometry->GetAbsCellId(supModuleNumber, moduleNumber, yNumber, xNumber);
    
      if (absid == -1) Fatal("StepManager()", "Wrong id ") ;

      Float_t lightYield =  depositedEnergy ;
      // Apply Birk's law (copied from G3BIRK)

      if (gMC->TrackCharge()!=0) { // Check
	  Float_t BirkC1_mod = 0;
	if (fBirkC0==1){ // Apply correction for higher charge states
	  if (TMath::Abs(gMC->TrackCharge())>=2) BirkC1_mod=fBirkC1*7.2/12.6;
	  else                                    BirkC1_mod=fBirkC1;
	}

	Float_t dedxcm=0;
	if (gMC->TrackStep()>0)  dedxcm=1000.*gMC->Edep()/gMC->TrackStep();
	else                     dedxcm=0;
	lightYield=lightYield/(1.+BirkC1_mod*dedxcm+fBirkC2*dedxcm*dedxcm);
      } 

      xyzte[4] = lightYield; // 15-dec-04
      Float_t xd[5]; // see Gmtod
      gMC->Gmtod(xyzte, xd, 1);
      xd[3] = xyzte[3];
      xd[4] = xyzte[4];
      //      printf(" x %7.2f y %7.2f z %7.2f de %f\n", xd[0], xd[1], xd[2], xd[4]);
        
      if (gDebug == -2) 
      printf("#sm %2i #m %3i #x %1i #z %1i -> absid %i : xyzte[4] = %f\n",
      supModuleNumber,moduleNumber,yNumber,xNumber,absid, xd[4]);

      AddHit(fIshunt, fCurPrimary,tracknumber, fCurParent, ienergy, absid,  xd, pmom);
    } // there is deposited energy
  }
}

//_____________________________________________
void AliEMCALv3::Browse(TBrowser* b)
{
  TObject::Browse(b);
}
Commit	Line	Data
58feed7c	1	/**************************************************************************
	2	* Copyright(c) 1998-2004, 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	/* $Id$ */
	17
	18	//_________________________________________________________________________
	19	//*-- Implementation version v2 of EMCAL Manager class; SHASHLYK version
	20	//*-- An object of this class does not produce digits
	21	//*-- It is the one to use if you do want to produce outputs in TREEH
	22	//*--
	23	//*-- Author : Aleksei Pavlinov (WSU)
	24
	25	// This Class not stores information on all particles prior to EMCAL entry - in order to facilitate analysis.
	26	// This is done by setting fIShunt =2, and flagging all parents of particles entering the EMCAL.
	27
	28	// --- ROOT system ---
	29	#include "AliEMCALv3.h"
	30	#include "AliEMCALHitv1.h"
	31
	32	#include "TParticle.h"
	33	#include "TVirtualMC.h"
	34	#include "TBrowser.h"
58feed7c	35	#include "TH2.h"
21e7df44	36	#include <cassert>
58feed7c	37
	38	// --- Standard library ---
	39
	40	// --- AliRoot header files ---
	41	#include "AliEMCALGeometry.h"
	42	#include "AliRun.h"
	43	#include "AliHeader.h"
	44	#include "AliMC.h"
5bf6eb16	45	#include "AliStack.h"
58feed7c	46	// for TRD1,2 case
	47
	48	ClassImp(AliEMCALv3)
	49
	50	//extern "C" void gdaxis_(float &x0, float &y0, float &z0, float &axsiz);
	51
	52
	53	//______________________________________________________________________
	54	AliEMCALv3::AliEMCALv3():AliEMCALv1(){
	55	// ctor
	56
	57	}
	58
	59	//______________________________________________________________________
	60	AliEMCALv3::AliEMCALv3(const char name, const char title): AliEMCALv1(name,title) {
	61	// Standard Creator.
	62
	63	fHits= new TClonesArray("AliEMCALHitv1",2000);
	64	gAlice->GetMCApp()->AddHitList(fHits);
	65
	66	fNhits = 0;
	67	fIshunt = 2; // All hits are associated with particles entering the calorimeter
	68	fTimeCut = 30e-09;
	69
	70	fGeometry = GetGeometry();
58feed7c	71	}
58feed7c	72
0a4cb131	73	//______________________________________________________________________
	74	AliEMCALv3::AliEMCALv3(const AliEMCALv3 & emcal):AliEMCALv1(emcal)
	75	{
	76	fGeometry = emcal.fGeometry;
0a4cb131	77	}
0a4cb131	78
58feed7c	79	//______________________________________________________________________
	80	AliEMCALv3::~AliEMCALv3(){
	81	// dtor
	82
	83	if ( fHits) {
	84	fHits->Delete();
	85	delete fHits;
	86	fHits = 0;
	87	}
	88	}
	89
	90	//______________________________________________________________________
	91	void AliEMCALv3::AddHit(Int_t shunt, Int_t primary, Int_t tracknumber, Int_t iparent, Float_t ienergy,
	92	Int_t id, Float_t * hits,Float_t * p){
	93	// Add a hit to the hit list.
	94	// An EMCAL hit is the sum of all hits in a tower section
	95	// originating from the same entering particle
53e430a3	96	static Int_t hitCounter=0;
	97	static AliEMCALHitv1 newHit=0, curHit=0;
	98	static Bool_t deja = kFALSE;
58feed7c	99
	100	newHit = new AliEMCALHitv1(shunt, primary, tracknumber, iparent, ienergy, id, hits, p);
	101	for ( hitCounter = fNhits-1; hitCounter >= 0 && !deja; hitCounter-- ) {
53e430a3	102	curHit = (AliEMCALHitv1) (fHits)[hitCounter];
58feed7c	103	// We add hits with the same tracknumber, while GEANT treats
	104	// primaries succesively
	105	if(curHit->GetPrimary() != primary)
	106	break;
	107	if( curHit == newHit ) {
	108	curHit = curHit + *newHit;
	109	deja = kTRUE;
	110	// break; // 30-aug-04 by PAI
	111	} // end if
	112	} // end for hitCounter
	113
	114	if ( !deja ) {
	115	new((fHits)[fNhits]) AliEMCALHitv1(newHit);
	116	fNhits++;
	117	}
	118	// printf(" fNhits %i \n", fNhits);
	119	delete newHit;
	120	}
	121	//______________________________________________________________________
	122	void AliEMCALv3::StepManager(void){
	123	// Accumulates hits as long as the track stays in a tower
	124
	125	// position wrt MRS and energy deposited
	126	static Float_t xyzte[5]={0.,0.,0.,0.,0.};// position wrt MRS, time and energy deposited
	127	static Float_t pmom[4]={0.,0.,0.,0.};
	128	static TLorentzVector pos; // Lorentz vector of the track current position.
	129	static TLorentzVector mom; // Lorentz vector of the track current momentum.
	130	static Float_t ienergy = 0;
53e430a3	131	static TString curVolName="";
53e430a3	132	static int supModuleNumber=-1, moduleNumber=-1, yNumber=-1, xNumber=-1, absid=-1;
58feed7c	133	static int keyGeom=0;
	134	static char *vn = "SX"; // 15-mar-05
	135	static int nSMOP[7]={1,3,5,7,9,11}; // 30-mar-05
	136	static int nSMON[7]={2,4,6,8,10,12};
	137	static Float_t depositedEnergy=0.0;
	138
	139	if(keyGeom == 0) {
	140	keyGeom = 2;
	141	if(gMC->VolId("PBMO")==0 \|\| gMC->VolId("WSUC")==1) {
	142	vn = "SCMX"; // old TRD2(TRD1) or WSUC
	143	keyGeom = 1;
	144	}
	145	printf("AliEMCALv3::StepManager(): keyGeom %i : Sensetive volume %s \n",
	146	keyGeom, vn);
	147	if(gMC->VolId("WSUC")==1) printf(" WSUC - cosmic ray stand geometry \n");
	148	}
	149	Int_t tracknumber = gAlice->GetMCApp()->GetCurrentTrackNumber();
	150
	151	curVolName = gMC->CurrentVolName();
	152	if(curVolName.Contains(vn)) { // We are in a scintillator layer
	153	// printf(" keyGeom %i : Sensetive volume %s (%s) \n", keyGeom, curVolName.Data(), vn);
	154
	155	if( ((depositedEnergy = gMC->Edep()) > 0.) && (gMC->TrackTime() < fTimeCut)){// Track is inside a scintillator and deposits some energy
	156	// Info("StepManager "," entry %i DE %f",++ientry, depositedEnergy); // for testing
	157	if (fCurPrimary==-1)
	158	fCurPrimary=gAlice->GetMCApp()->GetPrimary(tracknumber);
	159
	160	if (fCurParent==-1 \|\| tracknumber != fCurTrack) {
	161	// Check parentage
	162	Int_t parent=tracknumber;
	163	if (fCurParent != -1) {
	164	while (parent != fCurParent && parent != -1) {
	165	TParticle *part=gAlice->GetMCApp()->Particle(parent);
	166	parent=part->GetFirstMother();
	167	}
	168	}
	169	if (fCurParent==-1 \|\| parent==-1) {
	170	Int_t parent=tracknumber;
	171	TParticle *part=gAlice->GetMCApp()->Particle(parent);
	172	while (parent != -1 && fGeometry->IsInEMCAL(part->Vx(),part->Vy(),part->Vz())) {
	173	parent=part->GetFirstMother();
	174	if (parent!=-1)
	175	part=gAlice->GetMCApp()->Particle(parent);
	176	}
	177	fCurParent=parent;
	178	if (fCurParent==-1)
	179	Error("StepManager","Cannot find parent");
	180	else {
	181	TParticle *part=gAlice->GetMCApp()->Particle(fCurParent);
	182	ienergy = part->Energy();
	183	}
	184	while (parent != -1) {
	185	part=gAlice->GetMCApp()->Particle(parent);
	186	part->SetBit(kKeepBit);
	187	parent=part->GetFirstMother();
	188	}
	189	}
	190	fCurTrack=tracknumber;
	191	}
	192	gMC->TrackPosition(pos);
	193	xyzte[0] = pos[0];
	194	xyzte[1] = pos[1];
	195	xyzte[2] = pos[2];
	196	xyzte[3] = gMC->TrackTime() ;
197
198	gMC->TrackMomentum(mom);
199	pmom[0] = mom[0];
200	pmom[1] = mom[1];
201	pmom[2] = mom[2];
202	pmom[3] = mom[3];
203
204	// if(ientry%200 > 0) return; // testing
205	supModuleNumber = moduleNumber = yNumber = xNumber = absid = 0;
206	if(keyGeom >= 1) { // old style
207	gMC->CurrentVolOffID(4, supModuleNumber);
208	gMC->CurrentVolOffID(3, moduleNumber);
209	gMC->CurrentVolOffID(1, yNumber);
210	gMC->CurrentVolOffID(0, xNumber); // really x number now
211	if(strcmp(gMC->CurrentVolOffName(4),"SM10")==0) supModuleNumber += 10; // 13-oct-05
212	} else {
213	gMC->CurrentVolOffID(5, supModuleNumber);
214	gMC->CurrentVolOffID(4, moduleNumber);
215	gMC->CurrentVolOffID(1, yNumber);
216	gMC->CurrentVolOffID(0, xNumber);
217	if (strcmp(gMC->CurrentVolOffName(5),"SMOP")==0) supModuleNumber = nSMOP[supModuleNumber-1];
218	else if(strcmp(gMC->CurrentVolOffName(5),"SMON")==0) supModuleNumber = nSMON[supModuleNumber-1];
219	else assert(0); // something wrong
220	}
221	absid = fGeometry->GetAbsCellId(supModuleNumber, moduleNumber, yNumber, xNumber);
222
223	if (absid == -1) Fatal("StepManager()", "Wrong id ") ;
224
225	Float_t lightYield = depositedEnergy ;
226	// Apply Birk's law (copied from G3BIRK)
227
228	if (gMC->TrackCharge()!=0) { // Check
229	Float_t BirkC1_mod = 0;
230	if (fBirkC0==1){ // Apply correction for higher charge states
231	if (TMath::Abs(gMC->TrackCharge())>=2) BirkC1_mod=fBirkC1*7.2/12.6;
232	else BirkC1_mod=fBirkC1;
233	}
234
53e430a3	235	Float_t dedxcm=0;
58feed7c	236	if (gMC->TrackStep()>0) dedxcm=1000.*gMC->Edep()/gMC->TrackStep();
	237	else dedxcm=0;
	238	lightYield=lightYield/(1.+BirkC1_moddedxcm+fBirkC2dedxcm*dedxcm);
	239	}
	240
	241	xyzte[4] = lightYield; // 15-dec-04
	242	Float_t xd[5]; // see Gmtod
	243	gMC->Gmtod(xyzte, xd, 1);
	244	xd[3] = xyzte[3];
	245	xd[4] = xyzte[4];
	246	// printf(" x %7.2f y %7.2f z %7.2f de %f\n", xd[0], xd[1], xd[2], xd[4]);
	247
	248	if (gDebug == -2)
	249	printf("#sm %2i #m %3i #x %1i #z %1i -> absid %i : xyzte[4] = %f\n",
	250	supModuleNumber,moduleNumber,yNumber,xNumber,absid, xd[4]);
	251
	252	AddHit(fIshunt, fCurPrimary,tracknumber, fCurParent, ienergy, absid, xd, pmom);
	253	} // there is deposited energy
	254	}
	255	}
	256
ab6a174f	257	//_____________________________________________
58feed7c	258	void AliEMCALv3::Browse(TBrowser* b)
	259	{
	260	TObject::Browse(b);
	261	}