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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 | /* $Id$ */ | |
17 | ||
18 | #include <TClonesArray.h> | |
19 | #include <TMinuit.h> | |
20 | ||
21 | #include "AliRun.h" | |
22 | #include "AliMUON.h" | |
23 | #include "AliMUONChamber.h" | |
24 | #include "AliMUONConstants.h" | |
25 | #include "AliMUONClusterInput.h" | |
26 | #include "AliMUONMathieson.h" | |
27 | #include "AliMUONRawCluster.h" | |
28 | #include "AliMUONDigit.h" | |
29 | #include "AliLog.h" | |
30 | ||
31 | ClassImp(AliMUONClusterInput) | |
32 | ||
33 | AliMUONClusterInput* AliMUONClusterInput::fgClusterInput = 0; | |
34 | TMinuit* AliMUONClusterInput::fgMinuit = 0; | |
35 | AliMUONMathieson* AliMUONClusterInput::fgMathieson = 0; | |
36 | ||
37 | AliMUONClusterInput::AliMUONClusterInput() | |
38 | : TObject(), | |
39 | fCluster(0), | |
40 | fChargeCorrel(1.), | |
41 | fDetElemId(0) | |
42 | ||
43 | { | |
44 | fDigits[0]=0; | |
45 | fDigits[1]=0; | |
46 | fSegmentation2[0]=0; | |
47 | fSegmentation2[1]=0; | |
48 | } | |
49 | ||
50 | AliMUONClusterInput* AliMUONClusterInput::Instance() | |
51 | { | |
52 | // return pointer to the singleton instance | |
53 | if (fgClusterInput == 0) { | |
54 | fgClusterInput = new AliMUONClusterInput(); | |
55 | fgMinuit = new TMinuit(8); | |
56 | } | |
57 | ||
58 | return fgClusterInput; | |
59 | } | |
60 | ||
61 | AliMUONClusterInput::~AliMUONClusterInput() | |
62 | { | |
63 | // Destructor | |
64 | delete fgMinuit; | |
65 | delete fgMathieson; | |
66 | } | |
67 | ||
68 | AliMUONClusterInput::AliMUONClusterInput(const AliMUONClusterInput& clusterInput):TObject(clusterInput) | |
69 | { | |
70 | // Protected copy constructor | |
71 | ||
72 | AliFatal("Not implemented."); | |
73 | } | |
74 | ||
75 | void AliMUONClusterInput::SetDigits(Int_t chamber, Int_t idDE, TClonesArray* dig1, TClonesArray* dig2) | |
76 | { | |
77 | // Set pointer to digits with corresponding segmentations and responses (two cathode planes) | |
78 | fChamber = chamber; | |
79 | fDetElemId = idDE; | |
80 | fDigits[0] = dig1; | |
81 | fDigits[1] = dig2; | |
82 | fNDigits[0] = dig1->GetEntriesFast(); | |
83 | fNDigits[1] = dig2->GetEntriesFast(); | |
84 | ||
85 | AliMUON *pMUON; | |
86 | AliMUONChamber* iChamber; | |
87 | ||
88 | pMUON = (AliMUON*) gAlice->GetModule("MUON"); | |
89 | iChamber = &(pMUON->Chamber(chamber)); | |
90 | ||
91 | fgMathieson = new AliMUONMathieson(); | |
92 | ||
93 | fSegmentation2[0]=iChamber->SegmentationModel2(1); | |
94 | fSegmentation2[1]=iChamber->SegmentationModel2(2); | |
95 | ||
96 | fNseg = 2; | |
97 | if (chamber < AliMUONConstants::NTrackingCh()) { | |
98 | if (chamber > 1 ) { | |
99 | fgMathieson->SetPitch(AliMUONConstants::Pitch()); | |
100 | fgMathieson->SetSqrtKx3AndDeriveKx2Kx4(AliMUONConstants::SqrtKx3()); | |
101 | fgMathieson->SetSqrtKy3AndDeriveKy2Ky4(AliMUONConstants::SqrtKy3()); | |
102 | fChargeCorrel = AliMUONConstants::ChargeCorrel(); | |
103 | } else { | |
104 | fgMathieson->SetPitch(AliMUONConstants::PitchSt1()); | |
105 | fgMathieson->SetSqrtKx3AndDeriveKx2Kx4(AliMUONConstants::SqrtKx3St1()); | |
106 | fgMathieson->SetSqrtKy3AndDeriveKy2Ky4(AliMUONConstants::SqrtKy3St1()); | |
107 | fChargeCorrel = AliMUONConstants::ChargeCorrelSt1(); | |
108 | } | |
109 | } | |
110 | } | |
111 | ||
112 | void AliMUONClusterInput::SetDigits(Int_t chamber, Int_t idDE, TClonesArray* dig) | |
113 | { | |
114 | // Set pointer to digits with corresponding segmentations and responses (one cathode plane) | |
115 | ||
116 | fChamber = chamber; | |
117 | fDetElemId = idDE; | |
118 | fDigits[0] = dig; | |
119 | ||
120 | AliMUON *pMUON; | |
121 | AliMUONChamber* iChamber; | |
122 | ||
123 | pMUON = (AliMUON*) gAlice->GetModule("MUON"); | |
124 | iChamber = &(pMUON->Chamber(chamber)); | |
125 | ||
126 | fSegmentation2[0]=iChamber->SegmentationModel2(1); | |
127 | ||
128 | fNseg=1; | |
129 | } | |
130 | ||
131 | void AliMUONClusterInput::SetCluster(AliMUONRawCluster* cluster) | |
132 | { | |
133 | // Set the current cluster | |
134 | //PH printf("\n %p \n", cluster); | |
135 | fCluster=cluster; | |
136 | Float_t qtot; | |
137 | Int_t i, cath, ix, iy; | |
138 | AliMUONDigit* digit; | |
139 | fNmul[0]=cluster->GetMultiplicity(0); | |
140 | fNmul[1]=cluster->GetMultiplicity(1); | |
141 | //PH printf("\n %p %p ", fDigits[0], fDigits[1]); | |
142 | ||
143 | for (cath=0; cath<2; cath++) { | |
144 | qtot=0; | |
145 | for (i=0; i<fNmul[cath]; i++) { | |
146 | // pointer to digit | |
147 | digit =(AliMUONDigit*) | |
148 | (fDigits[cath]->UncheckedAt(cluster->GetIndex(i,cath))); | |
149 | // pad coordinates | |
150 | ix = digit->PadX(); | |
151 | iy = digit->PadY(); | |
152 | // pad charge | |
153 | fCharge[i][cath] = digit->Signal(); | |
154 | // pad centre coordinates | |
155 | // fSegmentation[cath]->GetPadCxy(ix, iy, x, y); | |
156 | // globals kUsed in fitting functions | |
157 | fix[i][cath]=ix; | |
158 | fiy[i][cath]=iy; | |
159 | // total charge per cluster | |
160 | qtot+=fCharge[i][cath]; | |
161 | // Current z | |
162 | Float_t xc, yc; | |
163 | fSegmentation2[cath]->GetPadC(fDetElemId,ix,iy,xc,yc,fZ); | |
164 | } // loop over cluster digits | |
165 | fQtot[cath]=qtot; | |
166 | fChargeTot[cath]=Int_t(qtot); | |
167 | } // loop over cathodes | |
168 | } | |
169 | ||
170 | ||
171 | ||
172 | Float_t AliMUONClusterInput::DiscrChargeS1(Int_t i,Double_t *par) | |
173 | { | |
174 | // Compute the charge on first cathod only. | |
175 | return DiscrChargeCombiS1(i,par,0); | |
176 | } | |
177 | ||
178 | Float_t AliMUONClusterInput::DiscrChargeCombiS1(Int_t i,Double_t *par, Int_t cath) | |
179 | { | |
180 | // par[0] x-position of cluster | |
181 | // par[1] y-position of cluster | |
182 | ||
183 | Float_t q1; | |
184 | fSegmentation2[cath]->SetPad(fDetElemId, fix[i][cath], fiy[i][cath]); | |
185 | // First Cluster | |
186 | fSegmentation2[cath]->SetHit(fDetElemId, par[0],par[1],fZ); | |
187 | q1 = fgMathieson->IntXY(fDetElemId, fSegmentation2[cath]); | |
188 | ||
189 | Float_t value = fQtot[cath]*q1; | |
190 | return value; | |
191 | } | |
192 | ||
193 | ||
194 | Float_t AliMUONClusterInput::DiscrChargeS2(Int_t i,Double_t *par) | |
195 | { | |
196 | // par[0] x-position of first cluster | |
197 | // par[1] y-position of first cluster | |
198 | // par[2] x-position of second cluster | |
199 | // par[3] y-position of second cluster | |
200 | // par[4] charge fraction of first cluster | |
201 | // 1-par[4] charge fraction of second cluster | |
202 | ||
203 | Float_t q1, q2; | |
204 | ||
205 | fSegmentation2[0]->SetPad(fDetElemId, fix[i][0], fiy[i][0]); | |
206 | // First Cluster | |
207 | fSegmentation2[0]->SetHit(fDetElemId, par[0],par[1],fZ); | |
208 | q1 = fgMathieson->IntXY(fDetElemId, fSegmentation2[0]); | |
209 | ||
210 | // Second Cluster | |
211 | fSegmentation2[0]->SetHit(fDetElemId,par[2],par[3],fZ); | |
212 | q2 = fgMathieson->IntXY(fDetElemId, fSegmentation2[0]); | |
213 | ||
214 | Float_t value = fQtot[0]*(par[4]*q1+(1.-par[4])*q2); | |
215 | return value; | |
216 | } | |
217 | ||
218 | Float_t AliMUONClusterInput::DiscrChargeCombiS2(Int_t i,Double_t *par, Int_t cath) | |
219 | { | |
220 | // par[0] x-position of first cluster | |
221 | // par[1] y-position of first cluster | |
222 | // par[2] x-position of second cluster | |
223 | // par[3] y-position of second cluster | |
224 | // par[4] charge fraction of first cluster - first cathode | |
225 | // 1-par[4] charge fraction of second cluster | |
226 | // par[5] charge fraction of first cluster - second cathode | |
227 | ||
228 | Float_t q1, q2; | |
229 | ||
230 | fSegmentation2[cath]->SetPad(fDetElemId,fix[i][cath], fiy[i][cath]); | |
231 | // First Cluster | |
232 | fSegmentation2[cath]->SetHit(fDetElemId,par[0],par[1],fZ); | |
233 | q1 = fgMathieson->IntXY(fDetElemId, fSegmentation2[cath]); | |
234 | ||
235 | // Second Cluster | |
236 | fSegmentation2[cath]->SetHit(fDetElemId,par[2],par[3],fZ); | |
237 | q2 = fgMathieson->IntXY(fDetElemId, fSegmentation2[cath]); | |
238 | ||
239 | Float_t value; | |
240 | if (cath==0) { | |
241 | value = fQtot[0]*(par[4]*q1+(1.-par[4])*q2); | |
242 | } else { | |
243 | value = fQtot[1]*(par[5]*q1+(1.-par[5])*q2); | |
244 | } | |
245 | return value; | |
246 | } | |
247 | ||
248 | AliMUONClusterInput& AliMUONClusterInput | |
249 | ::operator = (const AliMUONClusterInput& rhs) | |
250 | { | |
251 | // Protected assignement operator | |
252 | ||
253 | if (this == &rhs) return *this; | |
254 | ||
255 | AliFatal("Not implemented."); | |
256 | ||
257 | return *this; | |
258 | } |