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9825400f | 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 | /* $Id$ */ |
d4fa40b7 | 17 | |
30178c30 | 18 | #include <TClonesArray.h> |
19 | #include <TMinuit.h> | |
20 | ||
9825400f | 21 | #include "AliRun.h" |
22 | #include "AliMUON.h" | |
b7ef3c96 | 23 | #include "AliMUONSegmentation.h" |
7e4a628d | 24 | #include "AliMUONConstants.h" |
9825400f | 25 | #include "AliMUONClusterInput.h" |
7e4a628d | 26 | #include "AliMUONMathieson.h" |
9825400f | 27 | #include "AliMUONRawCluster.h" |
28 | #include "AliMUONDigit.h" | |
8c343c7c | 29 | #include "AliLog.h" |
9825400f | 30 | |
9825400f | 31 | ClassImp(AliMUONClusterInput) |
32 | ||
33 | AliMUONClusterInput* AliMUONClusterInput::fgClusterInput = 0; | |
34 | TMinuit* AliMUONClusterInput::fgMinuit = 0; | |
7e4a628d | 35 | AliMUONMathieson* AliMUONClusterInput::fgMathieson = 0; |
9825400f | 36 | |
30178c30 | 37 | AliMUONClusterInput::AliMUONClusterInput() |
7e4a628d | 38 | : TObject(), |
39 | fCluster(0), | |
fed772f3 | 40 | fChargeCorrel(1.), |
fed772f3 | 41 | fDetElemId(0) |
b137f8b9 | 42 | |
30178c30 | 43 | { |
3f5cf0b3 | 44 | fDigits[0]=0; |
45 | fDigits[1]=0; | |
fed772f3 | 46 | fSegmentation2[0]=0; |
47 | fSegmentation2[1]=0; | |
3f5cf0b3 | 48 | } |
49 | ||
9825400f | 50 | AliMUONClusterInput* AliMUONClusterInput::Instance() |
51 | { | |
52 | // return pointer to the singleton instance | |
53 | if (fgClusterInput == 0) { | |
54 | fgClusterInput = new AliMUONClusterInput(); | |
e357fc46 | 55 | fgMinuit = new TMinuit(8); |
9825400f | 56 | } |
57 | ||
58 | return fgClusterInput; | |
59 | } | |
60 | ||
d4fa40b7 | 61 | AliMUONClusterInput::~AliMUONClusterInput() |
62 | { | |
63 | // Destructor | |
64 | delete fgMinuit; | |
7e4a628d | 65 | delete fgMathieson; |
d4fa40b7 | 66 | } |
30178c30 | 67 | |
7b4177a6 | 68 | AliMUONClusterInput::AliMUONClusterInput(const AliMUONClusterInput& clusterInput):TObject(clusterInput) |
69 | { | |
30178c30 | 70 | // Protected copy constructor |
71 | ||
8c343c7c | 72 | AliFatal("Not implemented."); |
7b4177a6 | 73 | } |
d4fa40b7 | 74 | |
a713db22 | 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 | ||
b7ef3c96 | 85 | fgMathieson = new AliMUONMathieson(); |
86 | ||
a713db22 | 87 | AliMUON *pMUON; |
b7ef3c96 | 88 | AliMUONSegmentation* pSegmentation; |
a713db22 | 89 | |
90 | pMUON = (AliMUON*) gAlice->GetModule("MUON"); | |
b7ef3c96 | 91 | pSegmentation = pMUON->GetSegmentation(); |
92 | fSegmentation2[0]= pSegmentation->GetModuleSegmentation(chamber, 0); | |
93 | fSegmentation2[1]= pSegmentation->GetModuleSegmentation(chamber, 1); | |
a713db22 | 94 | |
95 | fNseg = 2; | |
96 | if (chamber < AliMUONConstants::NTrackingCh()) { | |
97 | if (chamber > 1 ) { | |
98 | fgMathieson->SetPitch(AliMUONConstants::Pitch()); | |
99 | fgMathieson->SetSqrtKx3AndDeriveKx2Kx4(AliMUONConstants::SqrtKx3()); | |
100 | fgMathieson->SetSqrtKy3AndDeriveKy2Ky4(AliMUONConstants::SqrtKy3()); | |
101 | fChargeCorrel = AliMUONConstants::ChargeCorrel(); | |
102 | } else { | |
103 | fgMathieson->SetPitch(AliMUONConstants::PitchSt1()); | |
104 | fgMathieson->SetSqrtKx3AndDeriveKx2Kx4(AliMUONConstants::SqrtKx3St1()); | |
105 | fgMathieson->SetSqrtKy3AndDeriveKy2Ky4(AliMUONConstants::SqrtKy3St1()); | |
106 | fChargeCorrel = AliMUONConstants::ChargeCorrelSt1(); | |
107 | } | |
108 | } | |
109 | } | |
110 | ||
111 | void AliMUONClusterInput::SetDigits(Int_t chamber, Int_t idDE, TClonesArray* dig) | |
112 | { | |
113 | // Set pointer to digits with corresponding segmentations and responses (one cathode plane) | |
114 | ||
115 | fChamber = chamber; | |
116 | fDetElemId = idDE; | |
117 | fDigits[0] = dig; | |
118 | ||
119 | AliMUON *pMUON; | |
b7ef3c96 | 120 | AliMUONSegmentation* pSegmentation; |
a713db22 | 121 | |
122 | pMUON = (AliMUON*) gAlice->GetModule("MUON"); | |
b7ef3c96 | 123 | pSegmentation = pMUON->GetSegmentation(); |
124 | fSegmentation2[0]= pSegmentation->GetModuleSegmentation(chamber, 0); | |
a713db22 | 125 | |
9825400f | 126 | fNseg=1; |
127 | } | |
128 | ||
129 | void AliMUONClusterInput::SetCluster(AliMUONRawCluster* cluster) | |
130 | { | |
131 | // Set the current cluster | |
b137f8b9 | 132 | //PH printf("\n %p \n", cluster); |
133 | fCluster=cluster; | |
134 | Float_t qtot; | |
135 | Int_t i, cath, ix, iy; | |
136 | AliMUONDigit* digit; | |
137 | fNmul[0]=cluster->GetMultiplicity(0); | |
138 | fNmul[1]=cluster->GetMultiplicity(1); | |
139 | //PH printf("\n %p %p ", fDigits[0], fDigits[1]); | |
140 | ||
141 | for (cath=0; cath<2; cath++) { | |
142 | qtot=0; | |
143 | for (i=0; i<fNmul[cath]; i++) { | |
144 | // pointer to digit | |
145 | digit =(AliMUONDigit*) | |
0164904a | 146 | (fDigits[cath]->UncheckedAt(cluster->GetIndex(i,cath))); |
9825400f | 147 | // pad coordinates |
08a636a8 | 148 | ix = digit->PadX(); |
149 | iy = digit->PadY(); | |
9825400f | 150 | // pad charge |
08a636a8 | 151 | fCharge[i][cath] = digit->Signal(); |
9825400f | 152 | // pad centre coordinates |
153 | // fSegmentation[cath]->GetPadCxy(ix, iy, x, y); | |
154 | // globals kUsed in fitting functions | |
155 | fix[i][cath]=ix; | |
156 | fiy[i][cath]=iy; | |
157 | // total charge per cluster | |
158 | qtot+=fCharge[i][cath]; | |
e357fc46 | 159 | // Current z |
160 | Float_t xc, yc; | |
002920d1 | 161 | fSegmentation2[cath]->GetPadC(fDetElemId,ix,iy,xc,yc,fZ); |
9825400f | 162 | } // loop over cluster digits |
163 | fQtot[cath]=qtot; | |
164 | fChargeTot[cath]=Int_t(qtot); | |
165 | } // loop over cathodes | |
166 | } | |
167 | ||
168 | ||
169 | ||
170 | Float_t AliMUONClusterInput::DiscrChargeS1(Int_t i,Double_t *par) | |
171 | { | |
a1b02be9 | 172 | // Compute the charge on first cathod only. |
173 | return DiscrChargeCombiS1(i,par,0); | |
9825400f | 174 | } |
175 | ||
176 | Float_t AliMUONClusterInput::DiscrChargeCombiS1(Int_t i,Double_t *par, Int_t cath) | |
177 | { | |
178 | // par[0] x-position of cluster | |
179 | // par[1] y-position of cluster | |
180 | ||
a713db22 | 181 | Float_t q1; |
002920d1 | 182 | fSegmentation2[cath]->SetPad(fDetElemId, fix[i][cath], fiy[i][cath]); |
183 | // First Cluster | |
184 | fSegmentation2[cath]->SetHit(fDetElemId, par[0],par[1],fZ); | |
185 | q1 = fgMathieson->IntXY(fDetElemId, fSegmentation2[cath]); | |
186 | ||
9825400f | 187 | Float_t value = fQtot[cath]*q1; |
188 | return value; | |
189 | } | |
190 | ||
191 | ||
192 | Float_t AliMUONClusterInput::DiscrChargeS2(Int_t i,Double_t *par) | |
193 | { | |
194 | // par[0] x-position of first cluster | |
195 | // par[1] y-position of first cluster | |
196 | // par[2] x-position of second cluster | |
197 | // par[3] y-position of second cluster | |
198 | // par[4] charge fraction of first cluster | |
199 | // 1-par[4] charge fraction of second cluster | |
200 | ||
a713db22 | 201 | Float_t q1, q2; |
202 | ||
002920d1 | 203 | fSegmentation2[0]->SetPad(fDetElemId, fix[i][0], fiy[i][0]); |
204 | // First Cluster | |
205 | fSegmentation2[0]->SetHit(fDetElemId, par[0],par[1],fZ); | |
206 | q1 = fgMathieson->IntXY(fDetElemId, fSegmentation2[0]); | |
207 | ||
208 | // Second Cluster | |
209 | fSegmentation2[0]->SetHit(fDetElemId,par[2],par[3],fZ); | |
210 | q2 = fgMathieson->IntXY(fDetElemId, fSegmentation2[0]); | |
211 | ||
a713db22 | 212 | Float_t value = fQtot[0]*(par[4]*q1+(1.-par[4])*q2); |
213 | return value; | |
9825400f | 214 | } |
215 | ||
216 | Float_t AliMUONClusterInput::DiscrChargeCombiS2(Int_t i,Double_t *par, Int_t cath) | |
217 | { | |
218 | // par[0] x-position of first cluster | |
219 | // par[1] y-position of first cluster | |
220 | // par[2] x-position of second cluster | |
221 | // par[3] y-position of second cluster | |
a1b02be9 | 222 | // par[4] charge fraction of first cluster - first cathode |
223 | // 1-par[4] charge fraction of second cluster | |
224 | // par[5] charge fraction of first cluster - second cathode | |
9825400f | 225 | |
a713db22 | 226 | Float_t q1, q2; |
227 | ||
002920d1 | 228 | fSegmentation2[cath]->SetPad(fDetElemId,fix[i][cath], fiy[i][cath]); |
229 | // First Cluster | |
230 | fSegmentation2[cath]->SetHit(fDetElemId,par[0],par[1],fZ); | |
231 | q1 = fgMathieson->IntXY(fDetElemId, fSegmentation2[cath]); | |
232 | ||
233 | // Second Cluster | |
234 | fSegmentation2[cath]->SetHit(fDetElemId,par[2],par[3],fZ); | |
235 | q2 = fgMathieson->IntXY(fDetElemId, fSegmentation2[cath]); | |
236 | ||
a713db22 | 237 | Float_t value; |
238 | if (cath==0) { | |
239 | value = fQtot[0]*(par[4]*q1+(1.-par[4])*q2); | |
240 | } else { | |
241 | value = fQtot[1]*(par[5]*q1+(1.-par[5])*q2); | |
242 | } | |
243 | return value; | |
9825400f | 244 | } |
245 | ||
6a9bc541 | 246 | AliMUONClusterInput& AliMUONClusterInput |
30178c30 | 247 | ::operator = (const AliMUONClusterInput& rhs) |
6a9bc541 | 248 | { |
30178c30 | 249 | // Protected assignement operator |
250 | ||
251 | if (this == &rhs) return *this; | |
252 | ||
8c343c7c | 253 | AliFatal("Not implemented."); |
30178c30 | 254 | |
255 | return *this; | |
6a9bc541 | 256 | } |