proper linking for libHLTrec.so
[u/mrichter/AliRoot.git] / EMCAL / AliEMCALv2.cxx
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1963b290 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//_________________________________________________________________________
d87bd045 19//*-- Implementation version v2 of EMCAL Manager class; SHASHLYK version
1963b290 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//*--
3d841a9f 23//*-- Author : Alexei Pavlinov (WSU)
d87bd045 24
1963b290 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
7dd95fbf 28#include <cassert>
1963b290 29// --- ROOT system ---
cde6a23d 30#include <TBrowser.h>
7ca4655f 31#include <TClonesArray.h>
cde6a23d 32#include <TH2.h>
7ca4655f 33#include <TParticle.h>
a1e17193 34#include <TROOT.h>
7ca4655f 35#include <TVirtualMC.h>
1963b290 36
37// --- Standard library ---
38
39// --- AliRoot header files ---
40#include "AliEMCALv2.h"
41#include "AliEMCALHit.h"
42#include "AliEMCALGeometry.h"
43#include "AliRun.h"
44#include "AliHeader.h"
45#include "AliMC.h"
5bf6eb16 46#include "AliStack.h"
6c62c273 47#include "AliTrackReference.h"
dc7da436 48// for TRD1 case only; May 31,2006
1963b290 49
50ClassImp(AliEMCALv2)
51
1963b290 52//______________________________________________________________________
18a21c7c 53AliEMCALv2::AliEMCALv2()
ab6a174f 54 : AliEMCALv1()
18a21c7c 55{
1963b290 56 // ctor
1963b290 57}
58
59//______________________________________________________________________
28135539 60AliEMCALv2::AliEMCALv2(const char *name, const char *title,
61 const Bool_t checkGeoAndRun)
62 : AliEMCALv1(name,title,checkGeoAndRun)
18a21c7c 63{
1963b290 64 // Standard Creator.
65
96d5ea0d 66 //fHits= new TClonesArray("AliEMCALHit",1000); //Already done in ctor of v1
1963b290 67 gAlice->GetMCApp()->AddHitList(fHits);
68
69 fNhits = 0;
70 fIshunt = 2; // All hits are associated with particles entering the calorimeter
71 fTimeCut = 30e-09;
28135539 72
1963b290 73 fGeometry = GetGeometry();
1963b290 74}
75
76//______________________________________________________________________
77AliEMCALv2::~AliEMCALv2(){
78 // dtor
79
96d5ea0d 80 //Already done in dtor of v1
81// if ( fHits ) {
82// fHits->Clear();
83// delete fHits;
84// fHits = 0;
85// }
1963b290 86}
87
88//______________________________________________________________________
89void AliEMCALv2::AddHit(Int_t shunt, Int_t primary, Int_t tracknumber, Int_t iparent, Float_t ienergy,
90 Int_t id, Float_t * hits,Float_t * p){
91 // Add a hit to the hit list.
92 // An EMCAL hit is the sum of all hits in a tower section
93 // originating from the same entering particle
80b68f94 94 static Int_t hitCounter;
95 static AliEMCALHit *newHit, *curHit;
96 static Bool_t deja ;
97
98 deja = kFALSE;
1963b290 99
100 newHit = new AliEMCALHit(shunt, primary, tracknumber, iparent, ienergy, id, hits, p);
101 for ( hitCounter = fNhits-1; hitCounter >= 0 && !deja; hitCounter-- ) {
102 curHit = (AliEMCALHit*) (*fHits)[hitCounter];
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]) AliEMCALHit(*newHit);
116 fNhits++;
117 }
118 // printf(" fNhits %i \n", fNhits);
119 delete newHit;
120}
d297ef6e 121
1963b290 122//______________________________________________________________________
123void AliEMCALv2::StepManager(void){
124 // Accumulates hits as long as the track stays in a tower
125
126 // position wrt MRS and energy deposited
127 static Float_t xyzte[5]={0.,0.,0.,0.,0.};// position wrt MRS, time and energy deposited
128 static Float_t pmom[4]={0.,0.,0.,0.};
d25f2c54 129 static TLorentzVector pos; // Lorentz vector of the track current position.
130 static TLorentzVector mom; // Lorentz vector of the track current momentum.
131 static Float_t ienergy = 0; // part->Energy();
53e430a3 132 static TString curVolName="";
133 static int supModuleNumber=-1, moduleNumber=-1, yNumber=-1, xNumber=-1, absid=-1;
d297ef6e 134 static int keyGeom=1; //real TRD1 geometry
a6e0ebfe 135 static const char *vn = "SCMX"; // Apr 13, 2006 - only TRD1 case now
1963b290 136 static int nSMOP[7]={1,3,5,7,9,11}; // 30-mar-05
137 static int nSMON[7]={2,4,6,8,10,12};
138 static Float_t depositedEnergy=0.0;
139
140 if(keyGeom == 0) {
141 keyGeom = 2;
142 if(gMC->VolId("PBMO")==0 || gMC->VolId("WSUC")==1) {
143 vn = "SCMX"; // old TRD2(TRD1) or WSUC
144 keyGeom = 1;
145 }
146 printf("AliEMCALv2::StepManager(): keyGeom %i : Sensetive volume %s \n",
147 keyGeom, vn);
148 if(gMC->VolId("WSUC")==1) printf(" WSUC - cosmic ray stand geometry \n");
149 }
150 Int_t tracknumber = gAlice->GetMCApp()->GetCurrentTrackNumber();
53e430a3 151 Int_t parent=0;
152 TParticle* part=0;
1963b290 153
154 curVolName = gMC->CurrentVolName();
1d46d1f6 155 if(curVolName.Contains(vn) || curVolName.Contains("SCX")) { // We are in a scintillator layer; SCX for 3X3
1963b290 156
157 if( ((depositedEnergy = gMC->Edep()) > 0.) && (gMC->TrackTime() < fTimeCut)){// Track is inside a scintillator and deposits some energy
158 // Info("StepManager "," entry %i DE %f",++ientry, depositedEnergy); // for testing
159 if (fCurPrimary==-1)
160 fCurPrimary=gAlice->GetMCApp()->GetPrimary(tracknumber);
161
162 if (fCurParent==-1 || tracknumber != fCurTrack) {
163 // Check parentage
e63c78ba 164 parent=tracknumber;
6c62c273 165
1963b290 166 if (fCurParent != -1) {
167 while (parent != fCurParent && parent != -1) {
e63c78ba 168 //TParticle *part=gAlice->GetMCApp()->Particle(parent);
169 part=gAlice->GetMCApp()->Particle(parent);
1963b290 170 parent=part->GetFirstMother();
171 }
172 }
173 if (fCurParent==-1 || parent==-1) {
e63c78ba 174 //Int_t parent=tracknumber;
175 //TParticle *part=gAlice->GetMCApp()->Particle(parent);
176 parent=tracknumber;
177 part=gAlice->GetMCApp()->Particle(parent);
1963b290 178 while (parent != -1 && fGeometry->IsInEMCAL(part->Vx(),part->Vy(),part->Vz())) {
179 parent=part->GetFirstMother();
180 if (parent!=-1)
181 part=gAlice->GetMCApp()->Particle(parent);
182 }
183 fCurParent=parent;
184 if (fCurParent==-1)
185 Error("StepManager","Cannot find parent");
186 else {
e63c78ba 187 //TParticle *part=gAlice->GetMCApp()->Particle(fCurParent);
188 part=gAlice->GetMCApp()->Particle(fCurParent);
1963b290 189 ienergy = part->Energy();
6c62c273 190
191 //Add reference to parent in TR tree.
192 AddTrackReference(tracknumber, AliTrackReference::kEMCAL);
193
1963b290 194 }
195 while (parent != -1) {
196 part=gAlice->GetMCApp()->Particle(parent);
197 part->SetBit(kKeepBit);
198 parent=part->GetFirstMother();
199 }
200 }
201 fCurTrack=tracknumber;
202 }
203 gMC->TrackPosition(pos);
204 xyzte[0] = pos[0];
205 xyzte[1] = pos[1];
206 xyzte[2] = pos[2];
207 xyzte[3] = gMC->TrackTime() ;
208
209 gMC->TrackMomentum(mom);
210 pmom[0] = mom[0];
211 pmom[1] = mom[1];
212 pmom[2] = mom[2];
213 pmom[3] = mom[3];
214
215 // if(ientry%200 > 0) return; // testing
216 supModuleNumber = moduleNumber = yNumber = xNumber = absid = 0;
d25f2c54 217 if(keyGeom >= 1) { // TRD1 case now
1963b290 218 gMC->CurrentVolOffID(4, supModuleNumber);
219 gMC->CurrentVolOffID(3, moduleNumber);
220 gMC->CurrentVolOffID(1, yNumber);
221 gMC->CurrentVolOffID(0, xNumber); // really x number now
d87bd045 222 if(strcmp(gMC->CurrentVolOffName(4),"SM10")==0) supModuleNumber += 10; // 13-oct-05
a520bcd0 223 if(strcmp(gMC->CurrentVolOffName(4),"SM3rd")==0) supModuleNumber += 10; // 1-feb-12
1d46d1f6 224 // Nov 10,2006
d25f2c54 225 if(strcmp(gMC->CurrentVolOffName(0),vn) != 0) { // 3X3 case
226 if (strcmp(gMC->CurrentVolOffName(0),"SCX1")==0) xNumber=1;
227 else if(strcmp(gMC->CurrentVolOffName(0),"SCX2")==0) xNumber=2;
228 else if(strcmp(gMC->CurrentVolOffName(0),"SCX3")==0) xNumber=3;
6c62c273 229 else Fatal("StepManager()", "Wrong name of sensitive volume in 3X3 case : %s ", gMC->CurrentVolOffName(0));
1d46d1f6 230 }
1963b290 231 } else {
232 gMC->CurrentVolOffID(5, supModuleNumber);
233 gMC->CurrentVolOffID(4, moduleNumber);
234 gMC->CurrentVolOffID(1, yNumber);
d87bd045 235 gMC->CurrentVolOffID(0, xNumber);
236 if (strcmp(gMC->CurrentVolOffName(5),"SMOP")==0) supModuleNumber = nSMOP[supModuleNumber-1];
1963b290 237 else if(strcmp(gMC->CurrentVolOffName(5),"SMON")==0) supModuleNumber = nSMON[supModuleNumber-1];
238 else assert(0); // something wrong
239 }
c694fff1 240
241 // Due to problem with index ordering conventions the calcultation of absid is no more like this:
242 //absid = fGeometry->GetAbsCellId(smNumber, moduleNumber-1, yNumber-1, xNumber-1);
243
244 //Swap A side in Phi and C side in Eta due to wrong indexing.
245 Int_t iphi = -1;
246 Int_t ieta = -1;
247 Int_t smNumber = supModuleNumber-1;
248 Int_t smType = 1;
249 fGeometry->GetCellPhiEtaIndexInSModule(smNumber,moduleNumber-1,yNumber-1,xNumber-1, iphi, ieta);
250 if (smNumber%2 == 0) {
251 ieta = ((fGeometry->GetCentersOfCellsEtaDir()).GetSize()-1)-ieta;// 47-ieta, revert the ordering on A side in order to keep convention.
252 }
253 else {
a520bcd0 254 if(smNumber >= 10 && strcmp(gMC->CurrentVolOffName(4),"SM10")==0) smType = 2 ; //half supermodule. previous design/idea
255 if(smNumber >= 10 && strcmp(gMC->CurrentVolOffName(4),"SM3rd")==0) smType = 3 ; //one third (installed in 2012) supermodule
c694fff1 256 iphi= ((fGeometry->GetCentersOfCellsPhiDir()).GetSize()/smType-1)-iphi;//23-iphi, revert the ordering on C side in order to keep convention.
257 }
258
259 //Once we know the indexes, calculate the absolute ID
260 absid = fGeometry->GetAbsCellIdFromCellIndexes(smNumber, iphi, ieta);
261
1d46d1f6 262 if (absid < 0) {
263 printf(" supModuleNumber %i : moduleNumber %i : yNumber %i : xNumber %i \n",
c694fff1 264 supModuleNumber, moduleNumber, yNumber, xNumber);
1d46d1f6 265 Fatal("StepManager()", "Wrong id : %i ", absid) ;
266 }
1963b290 267
268 Float_t lightYield = depositedEnergy ;
269 // Apply Birk's law (copied from G3BIRK)
270
271 if (gMC->TrackCharge()!=0) { // Check
cde6a23d 272 Float_t birkC1Mod = 0;
1963b290 273 if (fBirkC0==1){ // Apply correction for higher charge states
cde6a23d 274 if (TMath::Abs(gMC->TrackCharge())>=2) birkC1Mod = fBirkC1*7.2/12.6;
275 else birkC1Mod = fBirkC1;
1963b290 276 }
277
53e430a3 278 Float_t dedxcm=0.;
1963b290 279 if (gMC->TrackStep()>0) dedxcm=1000.*gMC->Edep()/gMC->TrackStep();
280 else dedxcm=0;
cde6a23d 281 lightYield=lightYield/(1.+birkC1Mod*dedxcm+fBirkC2*dedxcm*dedxcm);
1963b290 282 }
283
284 // use sampling fraction to get original energy --HG
285 // xyzte[4] = lightYield * fGeometry->GetSampling();
286 xyzte[4] = lightYield; // 15-dec-04
287
288 if (gDebug == -2)
289 printf("#sm %2i #m %3i #x %1i #z %1i -> absid %i : xyzte[4] = %f\n",
290 supModuleNumber,moduleNumber,yNumber,xNumber,absid, xyzte[4]);
291
292 AddHit(fIshunt, fCurPrimary,tracknumber, fCurParent, ienergy, absid, xyzte, pmom);
293 } // there is deposited energy
294 }
295}