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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 | //-----------------------------------------------------// | |
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> | |
26 | #include <TMath.h> | |
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" | |
47 | #include "AliPMDcluster.h" | |
48 | #include "AliPMDrecpoint1.h" | |
49 | ||
50 | ||
51 | ClassImp(AliPMDClusterFinder) | |
52 | ||
53 | AliPMDClusterFinder::AliPMDClusterFinder(): | |
54 | fRunLoader(0), | |
55 | fPMDLoader(0), | |
56 | fTreeD(0), | |
57 | fTreeR(0), | |
58 | fDigits(0), | |
59 | fRecpoints(new TClonesArray("AliPMDrecpoint1", 1000)), | |
60 | fNpoint(0), | |
61 | fDebug(0), | |
62 | fEcut(0.) | |
63 | { | |
64 | // | |
65 | // Default Constructor | |
66 | // | |
67 | } | |
68 | // ------------------------------------------------------------------------- // | |
69 | AliPMDClusterFinder::~AliPMDClusterFinder() | |
70 | { | |
71 | // Destructor | |
72 | if (fRecpoints) | |
73 | { | |
74 | fRecpoints->Delete(); | |
75 | delete fRecpoints; | |
76 | fRecpoints=0; | |
77 | } | |
78 | } | |
79 | // ------------------------------------------------------------------------- // | |
80 | ||
81 | void AliPMDClusterFinder::OpengAliceFile(const Char_t *file, Option_t *option) | |
82 | { | |
83 | // Loads galice.root file and corresponding header, kinematics | |
84 | // hits and sdigits or digits depending on the option | |
85 | // | |
86 | fRunLoader = AliRunLoader::Open(file,AliConfig::GetDefaultEventFolderName(), | |
87 | "UPDATE"); | |
88 | ||
89 | if (!fRunLoader) | |
90 | { | |
91 | Error("Open","Can not open session for file %s.",file); | |
92 | } | |
93 | ||
94 | fRunLoader->LoadgAlice(); | |
95 | gAlice = fRunLoader->GetAliRun(); | |
96 | ||
97 | if (gAlice) | |
98 | { | |
99 | printf("<AliPMDdigitizer::Open> "); | |
100 | printf("AliRun object found on file.\n"); | |
101 | } | |
102 | else | |
103 | { | |
104 | printf("<AliPMDdigitizer::Open> "); | |
105 | printf("Could not find AliRun object.\n"); | |
106 | } | |
107 | fPMDLoader = fRunLoader->GetLoader("PMDLoader"); | |
108 | if (fPMDLoader == 0x0) | |
109 | { | |
110 | cerr<<"OpengAlice : Can not find PMD or PMDLoader\n"; | |
111 | } | |
112 | ||
113 | const char *cDR = strstr(option,"DR"); | |
114 | ||
115 | if (cDR) | |
116 | { | |
117 | fPMDLoader->LoadDigits("READ"); | |
118 | fPMDLoader->LoadRecPoints("recreate"); | |
119 | } | |
120 | } | |
121 | // ------------------------------------------------------------------------- // | |
122 | ||
123 | void AliPMDClusterFinder::Digits2RecPoints(Int_t ievt) | |
124 | { | |
125 | // Converts digits to recpoints after running clustering | |
126 | // algorithm on CPV plane and PREshower plane | |
127 | // | |
128 | Int_t det = 0,smn = 0; | |
129 | Int_t xpos,ypos; | |
130 | Float_t adc; | |
131 | Int_t ismn; | |
132 | Int_t idet; | |
133 | Float_t clusdata[5]; | |
134 | ||
135 | TObjArray *pmdcont = new TObjArray(); | |
136 | AliPMDcluster *pmdcl = new AliPMDcluster; | |
137 | AliPMDClustering *pmdclust = new AliPMDClustering(); | |
138 | pmdclust->SetDebug(fDebug); | |
139 | pmdclust->SetEdepCut(fEcut); | |
140 | ||
141 | fRunLoader->GetEvent(ievt); | |
142 | //cout << " ***** Beginning::Digits2RecPoints *****" << endl; | |
143 | fTreeD = fPMDLoader->TreeD(); | |
144 | if (fTreeD == 0x0) | |
145 | { | |
146 | cout << " Can not get TreeD" << endl; | |
147 | } | |
148 | AliPMDdigit *pmddigit; | |
149 | TBranch *branch = fTreeD->GetBranch("PMDDigit"); | |
150 | branch->SetAddress(&fDigits); | |
151 | ||
152 | ResetRecpoint(); | |
153 | fTreeR = fPMDLoader->TreeR(); | |
154 | if (fTreeR == 0x0) | |
155 | { | |
156 | fPMDLoader->MakeTree("R"); | |
157 | fTreeR = fPMDLoader->TreeR(); | |
158 | } | |
159 | ||
160 | Int_t bufsize = 16000; | |
161 | fTreeR->Branch("PMDRecpoint", &fRecpoints, bufsize); | |
162 | ||
163 | Int_t nmodules = (Int_t) fTreeD->GetEntries(); | |
164 | ||
165 | for (Int_t imodule = 0; imodule < nmodules; imodule++) | |
166 | { | |
167 | ResetCellADC(); | |
168 | fTreeD->GetEntry(imodule); | |
169 | Int_t nentries = fDigits->GetLast(); | |
170 | for (Int_t ient = 0; ient < nentries+1; ient++) | |
171 | { | |
172 | pmddigit = (AliPMDdigit*)fDigits->UncheckedAt(ient); | |
173 | ||
174 | det = pmddigit->GetDetector(); | |
175 | smn = pmddigit->GetSMNumber(); | |
176 | xpos = pmddigit->GetRow(); | |
177 | ypos = pmddigit->GetColumn(); | |
178 | adc = pmddigit->GetADC(); | |
179 | //Int_t trno = pmddigit->GetTrackNumber(); | |
180 | ||
181 | fCellADC[xpos][ypos] = (Double_t) adc; | |
182 | } | |
183 | ||
184 | idet = det; | |
185 | ismn = smn; | |
186 | pmdclust->DoClust(idet,ismn,fCellADC,pmdcont); | |
187 | ||
188 | Int_t nentries1 = pmdcont->GetEntries(); | |
189 | cout << " nentries1 = " << nentries1 << endl; | |
190 | for (Int_t ient1 = 0; ient1 < nentries1; ient1++) | |
191 | { | |
192 | pmdcl = (AliPMDcluster*)pmdcont->UncheckedAt(ient1); | |
193 | idet = pmdcl->GetDetector(); | |
194 | ismn = pmdcl->GetSMN(); | |
195 | clusdata[0] = pmdcl->GetClusX(); | |
196 | clusdata[1] = pmdcl->GetClusY(); | |
197 | clusdata[2] = pmdcl->GetClusADC(); | |
198 | clusdata[3] = pmdcl->GetClusCells(); | |
199 | clusdata[4] = pmdcl->GetClusRadius(); | |
200 | ||
201 | AddRecPoint(idet,ismn,clusdata); | |
202 | } | |
203 | pmdcont->Clear(); | |
204 | ||
205 | fTreeR->Fill(); | |
206 | ResetRecpoint(); | |
207 | ||
208 | } // modules | |
209 | ||
210 | ResetCellADC(); | |
211 | fPMDLoader = fRunLoader->GetLoader("PMDLoader"); | |
212 | fPMDLoader->WriteRecPoints("OVERWRITE"); | |
213 | ||
214 | // delete the pointers | |
215 | delete pmdclust; | |
216 | delete pmdcont; | |
217 | ||
218 | // cout << " ***** End::Digits2RecPoints *****" << endl; | |
219 | } | |
220 | // ------------------------------------------------------------------------- // | |
221 | void AliPMDClusterFinder::SetCellEdepCut(Float_t ecut) | |
222 | { | |
223 | fEcut = ecut; | |
224 | } | |
225 | // ------------------------------------------------------------------------- // | |
226 | void AliPMDClusterFinder::SetDebug(Int_t idebug) | |
227 | { | |
228 | fDebug = idebug; | |
229 | } | |
230 | // ------------------------------------------------------------------------- // | |
231 | void AliPMDClusterFinder::AddRecPoint(Int_t idet,Int_t ismn,Float_t *clusdata) | |
232 | { | |
233 | // Add Reconstructed points | |
234 | // | |
235 | TClonesArray &lrecpoints = *fRecpoints; | |
236 | AliPMDrecpoint1 *newrecpoint; | |
237 | newrecpoint = new AliPMDrecpoint1(idet, ismn, clusdata); | |
238 | new(lrecpoints[fNpoint++]) AliPMDrecpoint1(newrecpoint); | |
239 | delete newrecpoint; | |
240 | } | |
241 | // ------------------------------------------------------------------------- // | |
242 | void AliPMDClusterFinder::ResetCellADC() | |
243 | { | |
244 | // Reset the individual cell ADC value to zero | |
245 | // | |
246 | for(Int_t irow = 0; irow < fgkRow; irow++) | |
247 | { | |
248 | for(Int_t icol = 0; icol < fgkCol; icol++) | |
249 | { | |
250 | fCellADC[irow][icol] = 0.; | |
251 | } | |
252 | } | |
253 | } | |
254 | // ------------------------------------------------------------------------- // | |
255 | ||
256 | void AliPMDClusterFinder::ResetRecpoint() | |
257 | { | |
258 | // Clear the list of reconstructed points | |
259 | fNpoint = 0; | |
260 | if (fRecpoints) fRecpoints->Clear(); | |
261 | } | |
262 | // ------------------------------------------------------------------------- // | |
263 | void AliPMDClusterFinder::UnLoad(Option_t *option) | |
264 | { | |
265 | // Unload all the *.root files | |
266 | // | |
267 | const char *cR = strstr(option,"R"); | |
268 | ||
269 | fRunLoader->UnloadgAlice(); | |
270 | ||
271 | if (cR) | |
272 | { | |
273 | fPMDLoader->UnloadDigits(); | |
274 | fPMDLoader->UnloadRecPoints(); | |
275 | } | |
276 | } | |
277 | // ------------------------------------------------------------------------- // |