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ed228cbc | 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 | ||
01709453 | 16 | //-----------------------------------------------------// |
17 | // // | |
18 | // Date : August 05 2003 // | |
19 | // This reads the file PMD.digits.root(TreeD), // | |
20 | // calls the Clustering algorithm and stores the // | |
21 | // clustering output in PMD.RecPoints.root(TreeR) // | |
22 | // // | |
23 | //-----------------------------------------------------// | |
24 | ||
25 | #include <Riostream.h> | |
b208c6a3 | 26 | #include <TMath.h> |
01709453 | 27 | #include <TBRIK.h> |
28 | #include <TNode.h> | |
29 | #include <TTree.h> | |
30 | #include <TGeometry.h> | |
31 | #include <TObjArray.h> | |
32 | #include <TClonesArray.h> | |
33 | #include <TFile.h> | |
34 | #include <TNtuple.h> | |
35 | #include <TParticle.h> | |
36 | ||
37 | #include "AliRun.h" | |
38 | #include "AliPMD.h" | |
39 | #include "AliDetector.h" | |
40 | #include "AliRunLoader.h" | |
41 | #include "AliLoader.h" | |
42 | #include "AliHeader.h" | |
43 | ||
44 | #include "AliPMDdigit.h" | |
45 | #include "AliPMDClusterFinder.h" | |
46 | #include "AliPMDClustering.h" | |
01709453 | 47 | #include "AliPMDcluster.h" |
96377d57 | 48 | #include "AliPMDrecpoint1.h" |
01709453 | 49 | |
50 | ||
51 | ClassImp(AliPMDClusterFinder) | |
b208c6a3 | 52 | |
01709453 | 53 | AliPMDClusterFinder::AliPMDClusterFinder() |
54 | { | |
b208c6a3 | 55 | // |
56 | // Default Constructor | |
57 | // | |
ed228cbc | 58 | if (!fRecpoints) fRecpoints = new TClonesArray("AliPMDrecpoint1", 1000); |
01709453 | 59 | fNpoint = 0; |
60 | ||
ed228cbc | 61 | fDebug = 0; |
62 | fEcut = 0.; | |
01709453 | 63 | |
64 | } | |
65 | AliPMDClusterFinder::~AliPMDClusterFinder() | |
66 | { | |
b208c6a3 | 67 | // Destructor |
01709453 | 68 | delete fRecpoints; |
69 | } | |
b208c6a3 | 70 | |
01709453 | 71 | void AliPMDClusterFinder::OpengAliceFile(Char_t *file, Option_t *option) |
72 | { | |
b208c6a3 | 73 | // Loads galice.root file and corresponding header, kinematics |
74 | // hits and sdigits or digits depending on the option | |
75 | // | |
01709453 | 76 | fRunLoader = AliRunLoader::Open(file,AliConfig::fgkDefaultEventFolderName, |
77 | "UPDATE"); | |
78 | ||
79 | if (!fRunLoader) | |
80 | { | |
81 | Error("Open","Can not open session for file %s.",file); | |
82 | } | |
83 | ||
84 | fRunLoader->LoadgAlice(); | |
85 | fRunLoader->LoadHeader(); | |
01709453 | 86 | gAlice = fRunLoader->GetAliRun(); |
87 | ||
88 | if (gAlice) | |
89 | { | |
90 | printf("<AliPMDdigitizer::Open> "); | |
91 | printf("AliRun object found on file.\n"); | |
92 | } | |
93 | else | |
94 | { | |
95 | printf("<AliPMDdigitizer::Open> "); | |
96 | printf("Could not find AliRun object.\n"); | |
97 | } | |
b208c6a3 | 98 | fPMD = (AliPMD*)gAlice->GetDetector("PMD"); |
99 | fPMDLoader = fRunLoader->GetLoader("PMDLoader"); | |
100 | if (fPMDLoader == 0x0) | |
01709453 | 101 | { |
102 | cerr<<"OpengAlice : Can not find PMD or PMDLoader\n"; | |
103 | } | |
104 | ||
105 | const char *cDR = strstr(option,"DR"); | |
106 | ||
107 | if (cDR) | |
108 | { | |
b208c6a3 | 109 | fPMDLoader->LoadDigits("READ"); |
110 | fPMDLoader->LoadRecPoints("recreate"); | |
01709453 | 111 | } |
112 | } | |
113 | ||
114 | void AliPMDClusterFinder::Digits2RecPoints(Int_t ievt) | |
115 | { | |
b208c6a3 | 116 | // Converts digits to recpoints after running clustering |
117 | // algorithm on CPV plane and PREshower plane | |
118 | // | |
ed228cbc | 119 | Int_t det = 0,smn = 0; |
01709453 | 120 | Int_t xpos,ypos; |
121 | Float_t adc; | |
ed228cbc | 122 | Int_t isup; |
01709453 | 123 | Int_t idet; |
01709453 | 124 | Float_t clusdata[7]; |
ed228cbc | 125 | |
126 | TObjArray *pmdcont = new TObjArray(); | |
127 | AliPMDcluster *pmdcl = new AliPMDcluster; | |
128 | AliPMDClustering *pmdclust = new AliPMDClustering(); | |
129 | pmdclust->SetDebug(fDebug); | |
130 | pmdclust->SetEdepCut(fEcut); | |
01709453 | 131 | |
132 | fRunLoader->GetEvent(ievt); | |
133 | //cout << " ***** Beginning::Digits2RecPoints *****" << endl; | |
b208c6a3 | 134 | fTreeD = fPMDLoader->TreeD(); |
135 | if (fTreeD == 0x0) | |
01709453 | 136 | { |
137 | cout << " Can not get TreeD" << endl; | |
138 | } | |
139 | AliPMDdigit *pmddigit; | |
b208c6a3 | 140 | TBranch *branch = fTreeD->GetBranch("PMDDigit"); |
01709453 | 141 | branch->SetAddress(&fDigits); |
142 | ||
143 | ResetRecpoint(); | |
b208c6a3 | 144 | fTreeR = fPMDLoader->TreeR(); |
145 | if (fTreeR == 0x0) | |
01709453 | 146 | { |
b208c6a3 | 147 | fPMDLoader->MakeTree("R"); |
148 | fTreeR = fPMDLoader->TreeR(); | |
01709453 | 149 | } |
150 | ||
151 | Int_t bufsize = 16000; | |
b208c6a3 | 152 | fTreeR->Branch("PMDRecpoint", &fRecpoints, bufsize); |
01709453 | 153 | |
b208c6a3 | 154 | Int_t nmodules = (Int_t) fTreeD->GetEntries(); |
01709453 | 155 | |
156 | for (Int_t imodule = 0; imodule < nmodules; imodule++) | |
157 | { | |
ed228cbc | 158 | ResetCellADC(); |
b208c6a3 | 159 | fTreeD->GetEntry(imodule); |
01709453 | 160 | Int_t nentries = fDigits->GetLast(); |
161 | for (Int_t ient = 0; ient < nentries+1; ient++) | |
162 | { | |
163 | pmddigit = (AliPMDdigit*)fDigits->UncheckedAt(ient); | |
164 | ||
165 | det = pmddigit->GetDetector(); | |
166 | smn = pmddigit->GetSMNumber(); | |
5e6a9312 | 167 | xpos = pmddigit->GetRow(); |
168 | ypos = pmddigit->GetColumn(); | |
01709453 | 169 | adc = pmddigit->GetADC(); |
ed228cbc | 170 | //Int_t trno = pmddigit->GetTrackNumber(); |
01709453 | 171 | |
ed228cbc | 172 | fCellADC[xpos][ypos] = (Double_t) adc; |
01709453 | 173 | } |
01709453 | 174 | |
ed228cbc | 175 | idet = det; |
176 | isup = smn; | |
177 | pmdclust->DoClust(fCellADC,pmdcont); | |
178 | ||
179 | Int_t nentries1 = pmdcont->GetEntries(); | |
180 | cout << " nentries1 = " << nentries1 << endl; | |
181 | for (Int_t ient1 = 0; ient1 < nentries1; ient1++) | |
01709453 | 182 | { |
ed228cbc | 183 | clusdata[0] = (Float_t) idet; |
184 | clusdata[1] = (Float_t) isup; | |
01709453 | 185 | |
ed228cbc | 186 | pmdcl = (AliPMDcluster*)pmdcont->UncheckedAt(ient1); |
01709453 | 187 | |
ed228cbc | 188 | clusdata[2] = pmdcl->GetClusX(); |
189 | clusdata[3] = pmdcl->GetClusY(); | |
190 | clusdata[4] = pmdcl->GetClusADC(); | |
191 | clusdata[5] = pmdcl->GetClusCells(); | |
192 | clusdata[6] = pmdcl->GetClusRadius(); | |
01709453 | 193 | |
ed228cbc | 194 | AddRecPoint(clusdata); |
195 | } | |
196 | pmdcont->Clear(); | |
197 | ||
b208c6a3 | 198 | fTreeR->Fill(); |
ed228cbc | 199 | ResetRecpoint(); |
200 | ||
201 | } // modules | |
202 | ||
01709453 | 203 | ResetCellADC(); |
204 | ||
b208c6a3 | 205 | fPMDLoader->WriteRecPoints("OVERWRITE"); |
01709453 | 206 | |
207 | // delete the pointers | |
208 | delete pmdclust; | |
209 | delete pmdcont; | |
210 | ||
211 | // cout << " ***** End::Digits2RecPoints *****" << endl; | |
212 | } | |
213 | ||
ed228cbc | 214 | void AliPMDClusterFinder::SetCellEdepCut(Float_t ecut) |
215 | { | |
216 | fEcut = ecut; | |
217 | } | |
218 | void AliPMDClusterFinder::SetDebug(Int_t idebug) | |
219 | { | |
220 | fDebug = idebug; | |
221 | } | |
01709453 | 222 | |
223 | void AliPMDClusterFinder::AddRecPoint(Float_t *clusdata) | |
224 | { | |
b208c6a3 | 225 | // Add Reconstructed points |
226 | // | |
01709453 | 227 | TClonesArray &lrecpoints = *fRecpoints; |
ed228cbc | 228 | AliPMDrecpoint1 *newrecpoint; |
229 | newrecpoint = new AliPMDrecpoint1(clusdata); | |
230 | new(lrecpoints[fNpoint++]) AliPMDrecpoint1(newrecpoint); | |
01709453 | 231 | delete newrecpoint; |
232 | } | |
233 | void AliPMDClusterFinder::ResetCellADC() | |
234 | { | |
b208c6a3 | 235 | // Reset the individual cell ADC value to zero |
236 | // | |
5e6a9312 | 237 | for(Int_t irow = 0; irow < fgkRow; irow++) |
01709453 | 238 | { |
5e6a9312 | 239 | for(Int_t icol = 0; icol < fgkCol; icol++) |
01709453 | 240 | { |
ed228cbc | 241 | fCellADC[irow][icol] = 0.; |
01709453 | 242 | } |
243 | } | |
244 | } | |
245 | ||
246 | void AliPMDClusterFinder::ResetRecpoint() | |
247 | { | |
b208c6a3 | 248 | // Clear the list of reconstructed points |
01709453 | 249 | fNpoint = 0; |
250 | if (fRecpoints) fRecpoints->Clear(); | |
251 | } | |
252 | void AliPMDClusterFinder::UnLoad(Option_t *option) | |
253 | { | |
b208c6a3 | 254 | // Unload all the *.root files |
255 | // | |
01709453 | 256 | const char *cR = strstr(option,"R"); |
257 | ||
258 | fRunLoader->UnloadgAlice(); | |
259 | fRunLoader->UnloadHeader(); | |
260 | fRunLoader->UnloadKinematics(); | |
261 | ||
262 | if (cR) | |
263 | { | |
b208c6a3 | 264 | fPMDLoader->UnloadDigits(); |
01709453 | 265 | } |
266 | } |