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451f5018 | 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 | // This is the base class for ITS detector signal simulations. Data members // | |
17 | // include are a pointer to the AliITSDetTypeSim clas in order to access // | |
18 | // segmentation and response objects // | |
19 | // classes. See the detector specific implementations for the propper code. // | |
20 | ////////////////////////////////////////////////////////////////////////////// | |
21 | #include <TRandom.h> | |
22 | #include "TSeqCollection.h" | |
23 | #include "AliITSUSimulation.h" | |
24 | #include "AliITSUSDigit.h" | |
25 | ||
26 | ClassImp(AliITSUSimulation) | |
27 | ||
28 | //______________________________________________________________________ | |
29 | AliITSUSimulation::AliITSUSimulation() | |
30 | : fSeg(0) | |
31 | ,fCalibDead(0) | |
32 | ,fCalibNoisy(0) | |
33 | ,fSensMap(0) | |
34 | ,fSimuParam(0) | |
35 | ,fModule(0) | |
36 | ,fEvent(0) | |
37 | ,fDebug(0) | |
38 | { | |
39 | // Default constructor | |
40 | } | |
41 | //______________________________________________________________________ | |
42 | AliITSUSimulation::AliITSUSimulation(AliITSUSimuParam* sim,AliITSUSensMap* map) | |
43 | :fSeg(0) | |
44 | ,fCalibDead(0) | |
45 | ,fCalibNoisy(0) | |
46 | ,fSensMap(map) | |
47 | ,fSimuParam(sim) | |
48 | ,fModule(0) | |
49 | ,fEvent(0) | |
50 | ,fDebug(0) | |
51 | { | |
52 | // Default constructor | |
53 | } | |
54 | ||
55 | //__________________________________________________________________________ | |
56 | AliITSUSimulation::AliITSUSimulation(const AliITSUSimulation &s) | |
57 | :TObject(s) | |
58 | ,fSeg(s.fSeg) | |
59 | ,fCalibDead(s.fCalibDead) | |
60 | ,fCalibNoisy(s.fCalibNoisy) | |
61 | ,fSensMap(s.fSensMap) | |
62 | ,fSimuParam(s.fSimuParam) | |
63 | ,fModule(s.fModule) | |
64 | ,fEvent(s.fEvent) | |
65 | ,fDebug(s.fDebug) | |
66 | { | |
67 | // Copy Constructor | |
68 | } | |
69 | ||
70 | //_________________________________________________________________________ | |
71 | AliITSUSimulation& AliITSUSimulation::operator=(const AliITSUSimulation &s) | |
72 | { | |
73 | // Assignment operator | |
74 | if(&s == this) return *this; | |
75 | fSeg = s.fSeg; | |
76 | fCalibDead = s.fCalibDead; | |
77 | fCalibNoisy= s.fCalibNoisy; | |
78 | fSensMap = s.fSensMap; | |
79 | fSimuParam = s.fSimuParam; | |
80 | fModule = s.fModule; | |
81 | fEvent = s.fEvent; | |
82 | return *this; | |
83 | } | |
84 | ||
85 | //______________________________________________________________________ | |
86 | void AliITSUSimulation::InitSimulationModule(Int_t module, Int_t event, AliITSsegmentation* seg) | |
87 | { | |
88 | // This function creates maps to build the list of tracks for each | |
89 | // summable digit. Inputs defined by base class. | |
90 | // | |
91 | SetModule(module); | |
92 | SetEvent(event); | |
93 | SetSegmentation(seg); | |
94 | ClearMap(); | |
95 | } | |
96 | ||
97 | //______________________________________________________________________ | |
98 | Bool_t AliITSUSimulation::AddSDigitsToModule(TSeqCollection *pItemArr,Int_t mask ) | |
99 | { | |
100 | // Add Summable digits to module maps. | |
101 | // Inputs: | |
102 | // pItemArr Array of AliITSpListItems (SDigits). | |
103 | // mask Track number off set value | |
104 | // | |
105 | Int_t nItems = pItemArr->GetEntries(); | |
106 | Bool_t sig = kFALSE; | |
107 | // | |
108 | for( Int_t i=0; i<nItems; i++ ) { | |
109 | AliITSUSDigit * pItem = (AliITSUSDigit *)(pItemArr->At( i )); | |
110 | if( pItem->GetModule() != fModule ) AliFatal(Form("SDigits module %d != current module %d: exit", pItem->GetModule(), fModule )); | |
111 | if(pItem->GetSumSignal()>0.0 ) sig = kTRUE; | |
112 | AliITSUSDigit* oldItem = (AliITSUSDigit*)fSensMap->GetItem(pItem); | |
113 | if (!oldItem) { | |
114 | oldItem = (AliITSUSDigit*)fSensMap->RegisterItem( new(fSensMap->GetFree()) AliITSUSDigit(*pItem) ); | |
115 | if (mask) oldItem->ShiftIndices(mask); | |
116 | } | |
117 | else oldItem->AddTo(mask, pItem); | |
118 | } | |
119 | return sig; | |
120 | } | |
121 | ||
122 | //______________________________________________________________________ | |
123 | void AliITSUSimulation::UpdateMapSignal(UInt_t dim0,UInt_t dim1,Int_t trk,Int_t ht,Double_t signal) | |
124 | { | |
125 | // update map with new hit | |
126 | UInt_t ind = fSensMap->GetIndex(dim0,dim1); | |
127 | AliITSUSDigit* oldItem = (AliITSUSDigit*)fSensMap->GetItem(ind); | |
128 | if (!oldItem) fSensMap->RegisterItem( new(fSensMap->GetFree()) AliITSUSDigit(trk,ht,fModule,ind,signal) ); | |
129 | else oldItem->AddSignal(trk,ht,signal); | |
130 | } | |
131 | ||
132 | //______________________________________________________________________ | |
133 | void AliITSUSimulation::UpdateMapNoise(UInt_t dim0,UInt_t dim1,Double_t noise) | |
134 | { | |
135 | // update map with new hit | |
136 | UInt_t ind = fSensMap->GetIndex(dim0,dim1); | |
137 | AliITSUSDigit* oldItem = (AliITSUSDigit*)fSensMap->GetItem(ind); | |
138 | if (!oldItem) fSensMap->RegisterItem( new(fSensMap->GetFree()) AliITSUSDigit(fModule,ind,noise) ); | |
139 | else oldItem->AddNoise(noise); | |
140 | } | |
141 | ||
142 | //______________________________________________________________________ | |
143 | Int_t AliITSUSimulation::GenOrderedSample(UInt_t nmax,UInt_t ngen,TArrayI &vals,TArrayI &indx) | |
144 | { | |
145 | // generate random sample [0:nmax] of ngen variables, and fill orreder indices | |
146 | // return actual number of generated values | |
147 | if (vals.GetSize()<(int)ngen) vals.Set(ngen); | |
148 | if (indx.GetSize()<(int)ngen) indx.Set(ngen); | |
149 | int* valA = vals.GetArray(); | |
150 | int* indA = indx.GetArray(); | |
151 | if (ngen>=nmax) { | |
152 | ngen = nmax-1; | |
153 | for (int i=(int)ngen;i--;) {valA[i]=indA[i]=i;} | |
154 | return ngen; | |
155 | } | |
156 | Bool_t rep; | |
157 | for (int i=0;i<(int)ngen;i++) { | |
158 | do { // exclude repetitions | |
159 | rep = kFALSE; | |
160 | valA[i] = gRandom->Rndm()*nmax; | |
161 | for (int j=i;j--;) if (valA[j]==valA[i]) {rep=kTRUE;break;} | |
162 | } while(rep); | |
163 | } | |
164 | TMath::Sort((int)ngen,valA,indA,kFALSE); | |
165 | return ngen; | |
166 | } |