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09906775 | 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 | ||
88cb7938 | 16 | |
09906775 | 17 | /* $Id$ */ |
18 | ||
19 | //_________________________________________________________________________ | |
20 | // Implementation version vImpacts of PHOS Manager class. | |
21 | // This class inherits from v1 and adds impacts storing. | |
22 | // Impacts stands for exact values of track coming to the detectors | |
23 | // EMC, CPV or PPSD. | |
24 | // Impacts are written to the same tree as hits are | |
25 | // but in separate branches. | |
26 | //--- | |
27 | //*-- Author: Yuri Kharlov (IHEP, Protvino/SUBATECH, Nantes) | |
28 | ||
29 | ||
30 | // --- ROOT system --- | |
31 | ||
e957fea8 | 32 | //#include <TTree.h> |
88cb7938 | 33 | #include <TVirtualMC.h> |
09906775 | 34 | |
35 | // --- Standard library --- | |
36 | ||
37 | // --- AliRoot header files --- | |
38 | ||
09906775 | 39 | #include "AliPHOSGeometry.h" |
40 | #include "AliPHOSImpact.h" | |
88cb7938 | 41 | #include "AliPHOSvImpacts.h" |
42 | #include "AliRun.h" | |
5d12ce38 | 43 | #include "AliMC.h" |
09906775 | 44 | |
45 | ClassImp(AliPHOSvImpacts) | |
46 | ||
47 | //____________________________________________________________________________ | |
9688c1dd | 48 | AliPHOSvImpacts::AliPHOSvImpacts():AliPHOSv1() |
09906775 | 49 | { |
50 | // ctor | |
fa0bc588 | 51 | fEMCImpacts = 0 ; |
52 | fPPSDImpacts = 0 ; | |
53 | fCPVImpacts = 0 ; | |
09906775 | 54 | } |
55 | ||
56 | //____________________________________________________________________________ | |
57 | AliPHOSvImpacts::AliPHOSvImpacts(const char *name, const char *title): | |
58 | AliPHOSv1(name,title) | |
59 | { | |
60 | // ctor : title is used to identify the layout | |
09906775 | 61 | // |
62 | // We store hits : | |
63 | // - fHits (the "normal" one), which retains the hits associated with | |
64 | // the current primary particle being tracked | |
65 | // (this array is reset after each primary has been tracked). | |
66 | // This part inherits from AliPHOSv1 | |
67 | // | |
68 | // We store impacts : | |
9688c1dd | 69 | // - fEMCImpacts, fCPVImpacts which are |
70 | // TList of EMC and CPV modules respectively, each | |
09906775 | 71 | // modules contains TClonesArray of AliPHOSImpacts |
72 | ||
73 | fEMCImpacts = new TList(); | |
74 | fCPVImpacts = new TList(); | |
09906775 | 75 | |
fa7cce36 | 76 | Int_t nPHOSModules = GetGeometry()->GetNModules(); |
9688c1dd | 77 | Int_t nCPVModules = GetGeometry()->GetNModules(); |
09906775 | 78 | |
79 | Int_t iPHOSModule; | |
80 | TClonesArray * impacts; | |
81 | for (iPHOSModule=0; iPHOSModule<nPHOSModules; iPHOSModule++) { | |
82 | fEMCImpacts->Add(new TClonesArray("AliPHOSImpact",200)) ; | |
83 | fNEMCImpacts[iPHOSModule] = 0; | |
29b077b5 | 84 | impacts = dynamic_cast<TClonesArray *>(fEMCImpacts->At(iPHOSModule)); |
09906775 | 85 | } |
86 | for (iPHOSModule=0; iPHOSModule<nCPVModules; iPHOSModule++) { | |
87 | fCPVImpacts->Add(new TClonesArray("AliPHOSImpact",200)) ; | |
88 | fNCPVImpacts[iPHOSModule] = 0; | |
29b077b5 | 89 | impacts = dynamic_cast<TClonesArray *>(fCPVImpacts->At(iPHOSModule)); |
09906775 | 90 | } |
09906775 | 91 | |
92 | } | |
93 | ||
94 | //____________________________________________________________________________ | |
95 | AliPHOSvImpacts::~AliPHOSvImpacts() | |
96 | { | |
97 | // dtor | |
98 | ||
99 | // Delete hits | |
100 | if ( fHits ) { | |
101 | fHits->Delete() ; | |
102 | delete fHits ; | |
103 | fHits = 0 ; | |
104 | } | |
105 | ||
9688c1dd | 106 | // Delete impacts in EMC, CPV |
09906775 | 107 | if ( fEMCImpacts ) { |
108 | fEMCImpacts->Delete() ; | |
109 | delete fEMCImpacts ; | |
110 | fEMCImpacts = 0 ; | |
111 | } | |
112 | if ( fCPVImpacts ) { | |
113 | fCPVImpacts->Delete() ; | |
114 | delete fCPVImpacts ; | |
115 | fCPVImpacts = 0 ; | |
116 | } | |
09906775 | 117 | } |
118 | ||
119 | //____________________________________________________________________________ | |
120 | void AliPHOSvImpacts::AddImpact( char* det, Int_t shunt, Int_t primary, Int_t track, Int_t module, | |
121 | Int_t pid, TLorentzVector p, Float_t *xyz) | |
122 | { | |
123 | // Add an impact to the impact list. | |
124 | ||
125 | TClonesArray * impacts = 0; | |
126 | Int_t nImpacts = 0; | |
127 | ||
128 | if (strcmp(det,"EMC ")==0) { | |
29b077b5 | 129 | impacts = dynamic_cast<TClonesArray *>(fEMCImpacts->At(module)); |
09906775 | 130 | nImpacts= fNEMCImpacts[module]; |
131 | fNEMCImpacts[module]++ ; | |
132 | } | |
133 | else if (strcmp(det,"CPV ")==0) { | |
29b077b5 | 134 | impacts = dynamic_cast<TClonesArray *>(fCPVImpacts->At(module)); |
09906775 | 135 | nImpacts= fNCPVImpacts[module]; |
136 | fNCPVImpacts[module]++ ; | |
137 | } | |
09906775 | 138 | |
139 | new((*impacts)[nImpacts]) AliPHOSImpact(shunt,primary,track,pid,p,xyz) ; | |
140 | ||
141 | if (fDebug==1) { | |
142 | printf("Module %d %s: ",module,det); | |
29b077b5 | 143 | (dynamic_cast<AliPHOSImpact*>((impacts->At(nImpacts))))->Print(); |
09906775 | 144 | } |
145 | } | |
146 | ||
147 | //____________________________________________________________________________ | |
88cb7938 | 148 | void AliPHOSvImpacts::MakeBranch(Option_t *opt) |
09906775 | 149 | { |
150 | // Create new branch in the current Hits Root Tree containing | |
151 | // a list of PHOS impacts (exact values of track coming to detector) | |
152 | ||
88cb7938 | 153 | AliDetector::MakeBranch(opt); |
09906775 | 154 | |
155 | Int_t bufferSize = 32000 ; | |
156 | Int_t splitlevel = 0 ; | |
88cb7938 | 157 | TreeH()->Branch("PHOSEmcImpacts" , "TList", &fEMCImpacts , bufferSize, splitlevel); |
158 | TreeH()->Branch("PHOSCpvImpacts" , "TList", &fCPVImpacts , bufferSize, splitlevel); | |
09906775 | 159 | |
160 | } | |
161 | ||
162 | //____________________________________________________________________________ | |
163 | void AliPHOSvImpacts::ResetHits() | |
164 | { | |
165 | // Reset impact branches for EMC, CPV and PPSD | |
166 | ||
167 | AliDetector::ResetHits(); | |
168 | ||
169 | Int_t i; | |
fa7cce36 | 170 | for (i=0; i<GetGeometry()->GetNModules(); i++) { |
29b077b5 | 171 | (dynamic_cast<TClonesArray*>(fEMCImpacts->At(i))) -> Clear(); |
09906775 | 172 | fNEMCImpacts[i] = 0 ; |
173 | } | |
174 | ||
9688c1dd | 175 | for (i=0; i<GetGeometry()->GetNModules(); i++) { |
29b077b5 | 176 | (dynamic_cast<TClonesArray*>(fCPVImpacts->At(i))) -> Clear(); |
9688c1dd | 177 | fNCPVImpacts[i] = 0 ; |
09906775 | 178 | } |
179 | ||
180 | } | |
181 | ||
182 | //_____________________________________________________________________________ | |
183 | void AliPHOSvImpacts::StepManager(void) | |
184 | { | |
9688c1dd | 185 | // Find impacts (tracks which enter the EMC, CPV) |
09906775 | 186 | // and add them to to the impact lists |
187 | ||
188 | AliPHOSv1::StepManager(); | |
189 | ||
190 | Float_t xyzm[3], xyzd[3], pm[3], pd[3]; | |
191 | TLorentzVector pmom ; // Lorentz momentum of the particle initiated hit | |
192 | TLorentzVector pos ; // Lorentz vector of the track current position | |
193 | Int_t copy ; | |
194 | ||
5d12ce38 | 195 | Int_t tracknumber = gAlice->GetMCApp()->GetCurrentTrackNumber() ; |
196 | Int_t primary = gAlice->GetMCApp()->GetPrimary( gAlice->GetMCApp()->GetCurrentTrackNumber() ); | |
fa7cce36 | 197 | TString name = GetGeometry()->GetName() ; |
09906775 | 198 | |
199 | // Add impact to EMC | |
200 | ||
201 | if( gMC->CurrentVolID(copy) == gMC->VolId("PXTL") && | |
202 | gMC->IsTrackEntering() ) { | |
203 | gMC->TrackMomentum(pmom); | |
204 | gMC->TrackPosition(pos) ; | |
205 | ||
206 | Int_t i; | |
207 | for (i=0; i<3; i++) xyzm[i] = pos[i]; | |
208 | ||
fdeead01 | 209 | for (i=0; i<3; i++) { |
09906775 | 210 | xyzm[i] = pos[i] ; |
211 | pm[i] = pmom[i]; | |
212 | } | |
213 | gMC -> Gmtod (xyzm, xyzd, 1); // transform coordinate from master to daughter system | |
214 | gMC -> Gmtod (pm, pd, 2); // transform 3-momentum from master to daughter system | |
215 | ||
216 | // Select tracks coming to the crystal from up or down sides | |
c3a88feb | 217 | if (pd[1]<0 && xyzd[1] > GetGeometry()->GetCrystalSize(1)/2-0.1 || |
218 | pd[1]>0 && xyzd[1] < -GetGeometry()->GetCrystalSize(1)/2+0.1) { | |
219 | // Select tracks coming to the crystal from up or down sides | |
09906775 | 220 | Int_t pid = gMC->TrackPid(); |
221 | Int_t module; | |
222 | gMC->CurrentVolOffID(10,module); | |
09906775 | 223 | module--; |
224 | AddImpact("EMC ",fIshunt, primary,tracknumber, module, pid, pmom, xyzm); | |
225 | } | |
226 | } | |
227 | ||
228 | // Add impact to CPV | |
229 | ||
9688c1dd | 230 | if( gMC->CurrentVolID(copy) == gMC->VolId("PCPQ") && |
09906775 | 231 | gMC->IsTrackEntering() ) { |
232 | gMC->TrackMomentum(pmom); | |
233 | gMC->TrackPosition(pos) ; | |
234 | ||
235 | Int_t i; | |
236 | for (i=0; i<3; i++) xyzm[i] = pos[i]; | |
237 | ||
fdeead01 | 238 | for (i=0; i<3; i++) { |
09906775 | 239 | xyzm[i] = pos[i] ; |
240 | pm[i] = pmom[i]; | |
241 | } | |
242 | Int_t pid = gMC->TrackPid(); | |
243 | Int_t module; | |
244 | gMC->CurrentVolOffID(3,module); | |
245 | module--; | |
246 | AddImpact("CPV ",fIshunt, primary,tracknumber, module, pid, pmom, xyzm); | |
247 | } | |
9688c1dd | 248 | |
09906775 | 249 | } |