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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 | |
4dd5a4bf | 18 | // ---------------------------- |
19 | // Class AliMUONClusterInput | |
20 | // ---------------------------- | |
21 | // Global data service for hit reconstruction | |
22 | // Author: to be added | |
23 | ||
63ed9c6b | 24 | #include "AliMUONClusterInput.h" |
30178c30 | 25 | |
4dd5a4bf | 26 | #include "AliMUONGeometryTransformer.h" |
27 | #include "AliMUONGeometrySegmentation.h" | |
28 | #include "AliMUONSegFactory.h" | |
b7ef3c96 | 29 | #include "AliMUONSegmentation.h" |
7e4a628d | 30 | #include "AliMUONConstants.h" |
7e4a628d | 31 | #include "AliMUONMathieson.h" |
9825400f | 32 | #include "AliMUONRawCluster.h" |
33 | #include "AliMUONDigit.h" | |
63ed9c6b | 34 | |
8c343c7c | 35 | #include "AliLog.h" |
9825400f | 36 | |
63ed9c6b | 37 | #include <TClonesArray.h> |
38 | #include <TMinuit.h> | |
4dd5a4bf | 39 | #include <TGeoManager.h> |
9825400f | 40 | |
4dd5a4bf | 41 | AliMUONClusterInput* AliMUONClusterInput::fgClusterInput = 0; |
42 | TMinuit* AliMUONClusterInput::fgMinuit = 0; | |
43 | AliMUONMathieson* AliMUONClusterInput::fgMathieson = 0; | |
44 | AliMUONGeometryTransformer* AliMUONClusterInput::fgTransformer = 0; | |
45 | AliMUONSegmentation* AliMUONClusterInput::fgSegmentation = 0; | |
9825400f | 46 | |
63ed9c6b | 47 | ClassImp(AliMUONClusterInput) |
48 | ||
30178c30 | 49 | AliMUONClusterInput::AliMUONClusterInput() |
7e4a628d | 50 | : TObject(), |
51 | fCluster(0), | |
fed772f3 | 52 | fChargeCorrel(1.), |
fed772f3 | 53 | fDetElemId(0) |
b137f8b9 | 54 | |
30178c30 | 55 | { |
4dd5a4bf | 56 | // Default constructor |
57 | ||
3f5cf0b3 | 58 | fDigits[0]=0; |
59 | fDigits[1]=0; | |
fed772f3 | 60 | fSegmentation2[0]=0; |
61 | fSegmentation2[1]=0; | |
3f5cf0b3 | 62 | } |
63 | ||
9825400f | 64 | AliMUONClusterInput* AliMUONClusterInput::Instance() |
65 | { | |
66 | // return pointer to the singleton instance | |
67 | if (fgClusterInput == 0) { | |
68 | fgClusterInput = new AliMUONClusterInput(); | |
e357fc46 | 69 | fgMinuit = new TMinuit(8); |
4dd5a4bf | 70 | |
71 | // Create segmentation with activated Root geometry | |
72 | if ( ! gGeoManager ) { | |
73 | AliFatalClass("Geometry not loaded."); | |
74 | return fgClusterInput; | |
75 | } | |
76 | fgTransformer = new AliMUONGeometryTransformer(true); | |
77 | fgTransformer->ReadGeometryData("volpath.dat", gGeoManager); | |
78 | AliMUONSegFactory factory(fgTransformer); | |
79 | fgSegmentation = factory.CreateSegmentation(); | |
9825400f | 80 | } |
81 | ||
82 | return fgClusterInput; | |
83 | } | |
84 | ||
d4fa40b7 | 85 | AliMUONClusterInput::~AliMUONClusterInput() |
86 | { | |
87 | // Destructor | |
88 | delete fgMinuit; | |
7e4a628d | 89 | delete fgMathieson; |
4dd5a4bf | 90 | delete fgTransformer; |
91 | delete fgSegmentation; | |
8fee0ce8 | 92 | fgMinuit = 0; |
93 | fgMathieson = 0; | |
d4fa40b7 | 94 | } |
30178c30 | 95 | |
7b4177a6 | 96 | AliMUONClusterInput::AliMUONClusterInput(const AliMUONClusterInput& clusterInput):TObject(clusterInput) |
97 | { | |
30178c30 | 98 | // Protected copy constructor |
99 | ||
8c343c7c | 100 | AliFatal("Not implemented."); |
7b4177a6 | 101 | } |
d4fa40b7 | 102 | |
a713db22 | 103 | void AliMUONClusterInput::SetDigits(Int_t chamber, Int_t idDE, TClonesArray* dig1, TClonesArray* dig2) |
104 | { | |
105 | // Set pointer to digits with corresponding segmentations and responses (two cathode planes) | |
106 | fChamber = chamber; | |
107 | fDetElemId = idDE; | |
108 | fDigits[0] = dig1; | |
109 | fDigits[1] = dig2; | |
110 | fNDigits[0] = dig1->GetEntriesFast(); | |
111 | fNDigits[1] = dig2->GetEntriesFast(); | |
112 | ||
8fee0ce8 | 113 | delete fgMathieson; |
b7ef3c96 | 114 | fgMathieson = new AliMUONMathieson(); |
115 | ||
4dd5a4bf | 116 | fSegmentation2[0]= fgSegmentation->GetModuleSegmentation(chamber, 0); |
117 | fSegmentation2[1]= fgSegmentation->GetModuleSegmentation(chamber, 1); | |
a713db22 | 118 | |
119 | fNseg = 2; | |
120 | if (chamber < AliMUONConstants::NTrackingCh()) { | |
121 | if (chamber > 1 ) { | |
122 | fgMathieson->SetPitch(AliMUONConstants::Pitch()); | |
123 | fgMathieson->SetSqrtKx3AndDeriveKx2Kx4(AliMUONConstants::SqrtKx3()); | |
124 | fgMathieson->SetSqrtKy3AndDeriveKy2Ky4(AliMUONConstants::SqrtKy3()); | |
125 | fChargeCorrel = AliMUONConstants::ChargeCorrel(); | |
126 | } else { | |
127 | fgMathieson->SetPitch(AliMUONConstants::PitchSt1()); | |
128 | fgMathieson->SetSqrtKx3AndDeriveKx2Kx4(AliMUONConstants::SqrtKx3St1()); | |
129 | fgMathieson->SetSqrtKy3AndDeriveKy2Ky4(AliMUONConstants::SqrtKy3St1()); | |
130 | fChargeCorrel = AliMUONConstants::ChargeCorrelSt1(); | |
131 | } | |
132 | } | |
133 | } | |
134 | ||
135 | void AliMUONClusterInput::SetDigits(Int_t chamber, Int_t idDE, TClonesArray* dig) | |
136 | { | |
137 | // Set pointer to digits with corresponding segmentations and responses (one cathode plane) | |
138 | ||
139 | fChamber = chamber; | |
140 | fDetElemId = idDE; | |
141 | fDigits[0] = dig; | |
142 | ||
4dd5a4bf | 143 | fSegmentation2[0]= fgSegmentation->GetModuleSegmentation(chamber, 0); |
9825400f | 144 | fNseg=1; |
145 | } | |
146 | ||
147 | void AliMUONClusterInput::SetCluster(AliMUONRawCluster* cluster) | |
148 | { | |
149 | // Set the current cluster | |
b137f8b9 | 150 | //PH printf("\n %p \n", cluster); |
151 | fCluster=cluster; | |
152 | Float_t qtot; | |
153 | Int_t i, cath, ix, iy; | |
154 | AliMUONDigit* digit; | |
155 | fNmul[0]=cluster->GetMultiplicity(0); | |
156 | fNmul[1]=cluster->GetMultiplicity(1); | |
157 | //PH printf("\n %p %p ", fDigits[0], fDigits[1]); | |
158 | ||
159 | for (cath=0; cath<2; cath++) { | |
160 | qtot=0; | |
161 | for (i=0; i<fNmul[cath]; i++) { | |
162 | // pointer to digit | |
163 | digit =(AliMUONDigit*) | |
0164904a | 164 | (fDigits[cath]->UncheckedAt(cluster->GetIndex(i,cath))); |
9825400f | 165 | // pad coordinates |
08a636a8 | 166 | ix = digit->PadX(); |
167 | iy = digit->PadY(); | |
9825400f | 168 | // pad charge |
08a636a8 | 169 | fCharge[i][cath] = digit->Signal(); |
9825400f | 170 | // pad centre coordinates |
171 | // fSegmentation[cath]->GetPadCxy(ix, iy, x, y); | |
172 | // globals kUsed in fitting functions | |
173 | fix[i][cath]=ix; | |
174 | fiy[i][cath]=iy; | |
175 | // total charge per cluster | |
176 | qtot+=fCharge[i][cath]; | |
e357fc46 | 177 | // Current z |
178 | Float_t xc, yc; | |
002920d1 | 179 | fSegmentation2[cath]->GetPadC(fDetElemId,ix,iy,xc,yc,fZ); |
9825400f | 180 | } // loop over cluster digits |
181 | fQtot[cath]=qtot; | |
182 | fChargeTot[cath]=Int_t(qtot); | |
183 | } // loop over cathodes | |
184 | } | |
185 | ||
186 | ||
187 | ||
188 | Float_t AliMUONClusterInput::DiscrChargeS1(Int_t i,Double_t *par) | |
189 | { | |
a1b02be9 | 190 | // Compute the charge on first cathod only. |
191 | return DiscrChargeCombiS1(i,par,0); | |
9825400f | 192 | } |
193 | ||
194 | Float_t AliMUONClusterInput::DiscrChargeCombiS1(Int_t i,Double_t *par, Int_t cath) | |
195 | { | |
196 | // par[0] x-position of cluster | |
197 | // par[1] y-position of cluster | |
198 | ||
a713db22 | 199 | Float_t q1; |
002920d1 | 200 | fSegmentation2[cath]->SetPad(fDetElemId, fix[i][cath], fiy[i][cath]); |
201 | // First Cluster | |
202 | fSegmentation2[cath]->SetHit(fDetElemId, par[0],par[1],fZ); | |
203 | q1 = fgMathieson->IntXY(fDetElemId, fSegmentation2[cath]); | |
204 | ||
9825400f | 205 | Float_t value = fQtot[cath]*q1; |
206 | return value; | |
207 | } | |
208 | ||
209 | ||
210 | Float_t AliMUONClusterInput::DiscrChargeS2(Int_t i,Double_t *par) | |
211 | { | |
212 | // par[0] x-position of first cluster | |
213 | // par[1] y-position of first cluster | |
214 | // par[2] x-position of second cluster | |
215 | // par[3] y-position of second cluster | |
216 | // par[4] charge fraction of first cluster | |
217 | // 1-par[4] charge fraction of second cluster | |
218 | ||
a713db22 | 219 | Float_t q1, q2; |
220 | ||
002920d1 | 221 | fSegmentation2[0]->SetPad(fDetElemId, fix[i][0], fiy[i][0]); |
222 | // First Cluster | |
223 | fSegmentation2[0]->SetHit(fDetElemId, par[0],par[1],fZ); | |
224 | q1 = fgMathieson->IntXY(fDetElemId, fSegmentation2[0]); | |
225 | ||
226 | // Second Cluster | |
227 | fSegmentation2[0]->SetHit(fDetElemId,par[2],par[3],fZ); | |
228 | q2 = fgMathieson->IntXY(fDetElemId, fSegmentation2[0]); | |
229 | ||
a713db22 | 230 | Float_t value = fQtot[0]*(par[4]*q1+(1.-par[4])*q2); |
231 | return value; | |
9825400f | 232 | } |
233 | ||
234 | Float_t AliMUONClusterInput::DiscrChargeCombiS2(Int_t i,Double_t *par, Int_t cath) | |
235 | { | |
236 | // par[0] x-position of first cluster | |
237 | // par[1] y-position of first cluster | |
238 | // par[2] x-position of second cluster | |
239 | // par[3] y-position of second cluster | |
a1b02be9 | 240 | // par[4] charge fraction of first cluster - first cathode |
241 | // 1-par[4] charge fraction of second cluster | |
242 | // par[5] charge fraction of first cluster - second cathode | |
9825400f | 243 | |
a713db22 | 244 | Float_t q1, q2; |
245 | ||
002920d1 | 246 | fSegmentation2[cath]->SetPad(fDetElemId,fix[i][cath], fiy[i][cath]); |
247 | // First Cluster | |
248 | fSegmentation2[cath]->SetHit(fDetElemId,par[0],par[1],fZ); | |
249 | q1 = fgMathieson->IntXY(fDetElemId, fSegmentation2[cath]); | |
250 | ||
251 | // Second Cluster | |
252 | fSegmentation2[cath]->SetHit(fDetElemId,par[2],par[3],fZ); | |
253 | q2 = fgMathieson->IntXY(fDetElemId, fSegmentation2[cath]); | |
254 | ||
a713db22 | 255 | Float_t value; |
256 | if (cath==0) { | |
257 | value = fQtot[0]*(par[4]*q1+(1.-par[4])*q2); | |
258 | } else { | |
259 | value = fQtot[1]*(par[5]*q1+(1.-par[5])*q2); | |
260 | } | |
261 | return value; | |
9825400f | 262 | } |
263 | ||
6a9bc541 | 264 | AliMUONClusterInput& AliMUONClusterInput |
30178c30 | 265 | ::operator = (const AliMUONClusterInput& rhs) |
6a9bc541 | 266 | { |
30178c30 | 267 | // Protected assignement operator |
268 | ||
269 | if (this == &rhs) return *this; | |
270 | ||
8c343c7c | 271 | AliFatal("Not implemented."); |
30178c30 | 272 | |
273 | return *this; | |
6a9bc541 | 274 | } |