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37c55dc0 | 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 | //_________________________________________________________________________ | |
17 | // This is a TTask that constructs ReconstParticles (reconstructed particles) | |
18 | // out of Digits | |
19 | // | |
20 | //-- Authors: Evgeny Karpechev(INR) and Alla Maevsksia | |
21 | ////////////////////////////////////////////////////////////////////////////// | |
22 | ||
dc8af42e | 23 | // --- ROOT system --- |
24 | #include "TTask.h" | |
25 | #include "TTree.h" | |
26 | #include "TSystem.h" | |
27 | #include "TFile.h" | |
37c55dc0 | 28 | #include "TROOT.h" |
29 | #include "TFolder.h" | |
cb1df35e | 30 | #include <Riostream.h> |
37c55dc0 | 31 | |
dc8af42e | 32 | // --- Standard library --- |
37c55dc0 | 33 | #include <stdlib.h> |
dc8af42e | 34 | |
35 | // --- AliRoot header files --- | |
36 | ||
37 | #include "AliFMDdigit.h" | |
38 | #include "AliFMDReconstParticles.h" | |
39 | #include "AliFMD.h" | |
40 | #include "AliFMDv1.h" | |
41 | #include "AliFMDReconstruction.h" | |
42 | #include "AliRun.h" | |
dc8af42e | 43 | ClassImp(AliFMDReconstruction) |
44 | ||
45 | ||
46 | //____________________________________________________________________________ | |
47 | ||
48 | AliFMDReconstruction::AliFMDReconstruction():TTask("AliFMDReconstruction","") | |
49 | { | |
50 | fNevents = 0 ; // Number of events to rreconnstraction, 0 means all events in current file | |
51 | // add Task to //root/Tasks folder | |
52 | TTask * roottasks = (TTask*)gROOT->GetRootFolder()->FindObject("Tasks") ; | |
53 | roottasks->Add(this) ; | |
54 | } | |
55 | //____________________________________________________________________________ | |
56 | ||
57 | AliFMDReconstruction::AliFMDReconstruction(char* HeaderFile, char *ReconstParticlesFile):TTask("AliFMDReconstruction","") | |
58 | { | |
59 | fNevents = 0 ; // Number of events to rreconnstraction, 0 means all events in current file | |
60 | fReconstParticlesFile=ReconstParticlesFile ; | |
61 | fHeadersFile=HeaderFile ; | |
62 | //add Task to //root/Tasks folder | |
63 | TTask * roottasks = (TTask*)gROOT->GetRootFolder()->FindObject("Tasks") ; | |
64 | roottasks->Add(this) ; | |
65 | } | |
66 | ||
67 | //____________________________________________________________________________ | |
68 | ||
69 | AliFMDReconstruction::~AliFMDReconstruction() | |
70 | { | |
dc8af42e | 71 | } |
cb1df35e | 72 | //---------------------------------------------------------------------------- |
dc8af42e | 73 | |
37c55dc0 | 74 | void AliFMDReconstruction::Exec(Option_t *option) |
dc8af42e | 75 | { |
cb1df35e | 76 | printf (" AliFMDReconstruction starting \n"); |
dc8af42e | 77 | //Collects all digits in the same active volume into number of particles |
cb1df35e | 78 | |
79 | Int_t const NumVolums=5; | |
80 | Int_t const NumSectors=40; | |
81 | Int_t const NumRings=768; | |
82 | Int_t PadADC[10][50][800]; | |
83 | Int_t ivol, iSector, iRing; | |
84 | Int_t Ne1; | |
85 | //Int_t NumberOfRings[5]= {256,128,256,128,256}; | |
86 | Int_t NumberOfSectors[5]= {20,40,20,40,20}; | |
87 | // number of ring for boundary 0.1 eta | |
88 | Int_t EtaIntervalInner []= | |
89 | {0, 55, 110, 165, 221, 276, 331, 386, 442, | |
90 | 497, 552, 607, 663, 718, 767 }; | |
91 | /* | |
92 | {0, 18, 36, 55, 73, | |
93 | 92, 110, 128, 147, 165, | |
94 | 184, 202, 221, 239, 255};*/ | |
95 | Int_t EtaIntervalOuter []= //{0, 21, 43, 65, 86, 108, 127}; | |
96 | {0, 65, 130, 195, 260, 325, 383}; | |
97 | Int_t EtaInterval[20]; | |
98 | ||
99 | ||
100 | Int_t size_EtaIntervalInner=sizeof (EtaIntervalInner)/sizeof(EtaIntervalInner[0]); | |
101 | ||
102 | Int_t size_EtaIntervalOuter=sizeof (EtaIntervalOuter)/sizeof(EtaIntervalOuter[0]); | |
103 | ||
104 | AliFMD * FMD = (AliFMD *) gAlice->GetDetector("FMD"); | |
37c55dc0 | 105 | TClonesArray *fReconParticles=FMD->ReconParticles(); |
cb1df35e | 106 | if(fNevents == 0) fNevents=(Int_t)gAlice->TreeE()->GetEntries(); |
dc8af42e | 107 | for(Int_t ievent=0;ievent<fNevents;ievent++) |
108 | { | |
cb1df35e | 109 | for (Int_t i=0; i<NumVolums; i++) |
110 | for(Int_t j=0; j<NumSectors; j++) | |
111 | for(Int_t ij=0; ij<NumRings; ij++) | |
112 | PadADC[i][j][ij]=0; //zhachem ??? | |
dc8af42e | 113 | gAlice->GetEvent(ievent) ; |
114 | if(gAlice->TreeH()==0) return; | |
115 | if(gAlice->TreeR()==0) gAlice->MakeTree("R"); | |
116 | //Make branches | |
cb1df35e | 117 | AliFMDdigit *fmdDigit; |
dc8af42e | 118 | FMD->MakeBranch("R"); |
37c55dc0 | 119 | |
cb1df35e | 120 | Int_t zeroADC=1; |
121 | // Int_t threshold_array_size=30; | |
37c55dc0 | 122 | |
cb1df35e | 123 | // cout<<" AliFMDdigit "<<AliFMDdigit<<endl; |
dc8af42e | 124 | if (FMD) |
125 | { | |
126 | gAlice->TreeD()->GetEvent(0); | |
127 | TClonesArray *FMDdigits=FMD->Digits(); | |
37c55dc0 | 128 | Int_t nDigits=FMDdigits->GetEntries(); |
cb1df35e | 129 | Int_t RecParticles[6]; |
dc8af42e | 130 | Int_t nRecPart=0 ; |
cb1df35e | 131 | Int_t ZeroPads=0; |
132 | Int_t NumberOfPads=0; //To avoid warning | |
133 | Int_t pedestal; | |
134 | Float_t channelWidth=(22400*50)/1024; | |
dc8af42e | 135 | for (Int_t digit=0;digit<nDigits;digit++) |
136 | { | |
cb1df35e | 137 | fmdDigit=(AliFMDdigit*)FMDdigits->UncheckedAt(digit); |
138 | ivol=fmdDigit->Volume(); | |
139 | iSector=fmdDigit->NumberOfSector(); | |
140 | iRing=fmdDigit->NumberOfRing(); | |
141 | pedestal=Int_t(gRandom->Gaus(500,250)); | |
142 | PadADC[ivol-1][iSector-1][iRing-1]= | |
143 | fmdDigit->ADCsignal() | |
144 | -Int_t(Float_t(pedestal)/channelWidth); | |
145 | if (PadADC[ivol-1][iSector-1][iRing-1]<0) | |
146 | PadADC[ivol-1][iSector-1][iRing-1]=0; | |
dc8af42e | 147 | } //digit loop |
cb1df35e | 148 | Int_t Rmin=0; Int_t Rmax=0; //To avoid warning |
149 | Int_t Smin=0; Int_t Smax=0; //To avoid warning | |
150 | ||
151 | for (ivol=1; ivol<=NumVolums; ivol++) | |
152 | { | |
153 | if (ivol==1||ivol==3||ivol==5) | |
154 | { | |
155 | Ne1=size_EtaIntervalInner; | |
156 | for(Int_t ieta=0; ieta<Ne1; ieta++) | |
157 | EtaInterval[ieta]=EtaIntervalInner[ieta]; | |
158 | } | |
159 | if (ivol==2||ivol==4) | |
160 | { | |
161 | Ne1=size_EtaIntervalOuter; | |
162 | for( Int_t ieta=0; ieta<Ne1; ieta++) | |
163 | EtaInterval[ieta]=EtaIntervalOuter[ieta]; | |
164 | } | |
165 | ||
166 | ||
167 | for (Int_t e1=0;e1<Ne1-1;e1++) // vol<=NumVolums | |
168 | { | |
169 | Rmin=EtaInterval[e1]; | |
170 | Rmax=EtaInterval[e1+1]; | |
171 | ZeroPads=0; | |
172 | Smin=0; | |
173 | Smax=NumberOfSectors[ivol-1]; | |
174 | for (Int_t iring=Rmin; iring<Rmax; iring++) | |
175 | { | |
176 | NumberOfPads=(Rmax-Rmin)*(Smax-Smin); | |
177 | for | |
178 | (Int_t isector=1; | |
179 | isector<=NumberOfSectors[ivol-1]; | |
180 | isector++) | |
181 | if(PadADC[ivol-1][isector-1][iring-1]<zeroADC) | |
182 | ZeroPads++; | |
183 | } //ring | |
184 | /* | |
185 | cout<<"\nRmin="<<Rmin; | |
186 | cout<<"\nRmax="<<Rmax; | |
187 | cout<<"\nSmin="<<Smin; | |
188 | cout<<"\nSmax="<<Smax; | |
189 | ||
190 | cout<<"\nvolume "<<ivol<<" zero "<<ZeroPads<< | |
191 | " NumberOfPads "<<NumberOfPads<<endl; | |
192 | */ | |
193 | Float_t zerosRatio= | |
194 | (Float_t)ZeroPads/(Float_t)NumberOfPads; | |
195 | // cout<<"\nzerosRatio="<<zerosRatio; | |
196 | RecParticles[0]=ivol; | |
197 | RecParticles[1]=Smin; | |
198 | RecParticles[2]=Smax; | |
199 | RecParticles[3]=Rmin; | |
200 | RecParticles[4]=Rmax; | |
201 | if (zerosRatio>0.1 ||(ivol==2||ivol==4)) | |
202 | RecParticles[5]= | |
203 | Determination_by_Poisson | |
204 | (PadADC,ivol,Rmin,Rmax,Smin,Smax); | |
205 | else | |
206 | RecParticles[5]= | |
207 | Determination_by_thresholds | |
208 | (PadADC,ivol,Rmin,Rmax,Smin,Smax); | |
209 | // cout<<" nDeterm "<<RecParticles[5]<<endl; | |
210 | new((*fReconParticles)[nRecPart++]) | |
211 | AliFMDReconstParticles(RecParticles); | |
212 | } // eta | |
213 | } // volume | |
214 | ||
215 | // if(zerosRatio<0.01) Determination_by_counting (ZeroPads) ; | |
216 | }//if FMD | |
217 | gAlice->TreeR()->Reset(); | |
218 | gAlice->TreeR()->Fill(); | |
219 | gAlice->TreeR()->Write(0,TObject::kOverwrite); | |
dc8af42e | 220 | } //event loop |
cb1df35e | 221 | // cout<<"\nAliFMDReconstruction::Exec finished"<<endl; |
222 | }; | |
dc8af42e | 223 | |
cb1df35e | 224 | //------------------------------------------------------------ |
225 | Int_t AliFMDReconstruction::Determination_by_thresholds | |
226 | (Int_t PadADC[][50][800],Int_t volume, Int_t Rmin, Int_t Rmax, | |
227 | Int_t Smin, Int_t Smax) | |
dc8af42e | 228 | { |
cb1df35e | 229 | |
230 | Int_t thresholdInner[30]={ | |
231 | 0, 14, 28, 42, 57, | |
232 | 72, 89, 104, 124, 129, | |
233 | 164, 174, 179, 208, 228, | |
234 | 248, 268, 317, 337, 357, | |
235 | 392, 407, 416, 426, 436, | |
236 | 461, 468, 493, 506, 515}; | |
237 | ||
238 | Int_t thresholdOuter[30]={0, 18, 48, 77, 105, | |
239 | 132, 165, 198, 231, | |
240 | 264, 286, 308, 334, | |
241 | 352, 374, 418, 440, | |
242 | 462, 484, 506, 528, | |
243 | 550, 572, 594, 616}; | |
244 | Int_t threshold[30]; | |
245 | for (Int_t it=0; it<30; it++) { | |
246 | if(volume==1||volume==3||volume==5) threshold[it]=thresholdInner[it]; | |
247 | if(volume==2||volume==4) threshold[it]=thresholdOuter[it]; | |
248 | } | |
249 | Int_t threshold_array_size = 30; | |
250 | Int_t NumPart=0; | |
251 | //Inner Si | |
252 | for (Int_t iring=Rmin; iring<Rmax; iring++) | |
253 | { | |
254 | for (Int_t isector=Smin; isector<Smax; isector++) | |
255 | { | |
256 | for (int i=0;i<threshold_array_size-1;i++) | |
257 | { | |
258 | if(PadADC[volume-1][isector][iring]>threshold[i] | |
259 | &&PadADC[volume-1][isector][iring]<=threshold[i+1]) | |
260 | { | |
261 | NumPart+=i; | |
262 | break; | |
263 | }; // if in threshol interval | |
264 | }; //threshold_array_size | |
265 | }; //iring | |
266 | }; //sector | |
267 | // cout<<"\nEnd threshol method"<<endl; | |
268 | return NumPart; | |
dc8af42e | 269 | } |
cb1df35e | 270 | |
271 | ||
272 | //__________________________________________________________________ | |
273 | ||
274 | Int_t AliFMDReconstruction::Determination_by_Poisson (Int_t PadADC[][50][800], | |
275 | Int_t vol, Int_t rmin, Int_t rmax, | |
276 | Int_t secmin, Int_t secmax) | |
dc8af42e | 277 | { |
cb1df35e | 278 | Int_t threshold_adc=1; |
279 | Int_t zeropads=0; | |
280 | for (Int_t i=rmin;i<rmax;i++) | |
281 | { | |
282 | for (Int_t j=secmin;j<secmax;j++) | |
283 | { | |
284 | if (PadADC[vol-1][j][i]<threshold_adc) zeropads++; | |
285 | }; | |
286 | }; | |
287 | Float_t lambda=-TMath::Log(Float_t(zeropads)/ | |
288 | ( Float_t(secmax-secmin)* | |
289 | Float_t(rmax-rmin))); //+1 zdes' ne nado | |
290 | Int_t Recon=(Int_t)(lambda*(secmax-secmin)*(rmax-rmin)); //+1 zdes' ne nado | |
291 | // cout<<"\nEnd Poisson method"<<endl; | |
292 | return Recon; | |
293 | }; | |
294 | ||
295 | //------------------------------------------------------------------ | |
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