SetRunReconstruction renamed to SetRunLoaclReconstruction. First implementation of...
[u/mrichter/AliRoot.git] / PMD / AliPMDClusterFinder.cxx
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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
51ClassImp(AliPMDClusterFinder)
b208c6a3 52
01709453 53AliPMDClusterFinder::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}
65AliPMDClusterFinder::~AliPMDClusterFinder()
66{
b208c6a3 67 // Destructor
01709453 68 delete fRecpoints;
69}
b208c6a3 70
01709453 71void 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 //
e191bb57 76 fRunLoader = AliRunLoader::Open(file,AliConfig::GetDefaultEventFolderName(),
01709453 77 "UPDATE");
78
79 if (!fRunLoader)
80 {
81 Error("Open","Can not open session for file %s.",file);
82 }
83
84 fRunLoader->LoadgAlice();
01709453 85 gAlice = fRunLoader->GetAliRun();
86
87 if (gAlice)
88 {
89 printf("<AliPMDdigitizer::Open> ");
90 printf("AliRun object found on file.\n");
91 }
92 else
93 {
94 printf("<AliPMDdigitizer::Open> ");
95 printf("Could not find AliRun object.\n");
96 }
b208c6a3 97 fPMDLoader = fRunLoader->GetLoader("PMDLoader");
98 if (fPMDLoader == 0x0)
01709453 99 {
100 cerr<<"OpengAlice : Can not find PMD or PMDLoader\n";
101 }
102
103 const char *cDR = strstr(option,"DR");
104
105 if (cDR)
106 {
b208c6a3 107 fPMDLoader->LoadDigits("READ");
108 fPMDLoader->LoadRecPoints("recreate");
01709453 109 }
110}
111
112void AliPMDClusterFinder::Digits2RecPoints(Int_t ievt)
113{
b208c6a3 114 // Converts digits to recpoints after running clustering
115 // algorithm on CPV plane and PREshower plane
116 //
ed228cbc 117 Int_t det = 0,smn = 0;
01709453 118 Int_t xpos,ypos;
119 Float_t adc;
ed228cbc 120 Int_t isup;
01709453 121 Int_t idet;
01709453 122 Float_t clusdata[7];
ed228cbc 123
124 TObjArray *pmdcont = new TObjArray();
125 AliPMDcluster *pmdcl = new AliPMDcluster;
126 AliPMDClustering *pmdclust = new AliPMDClustering();
127 pmdclust->SetDebug(fDebug);
128 pmdclust->SetEdepCut(fEcut);
01709453 129
130 fRunLoader->GetEvent(ievt);
131 //cout << " ***** Beginning::Digits2RecPoints *****" << endl;
b208c6a3 132 fTreeD = fPMDLoader->TreeD();
133 if (fTreeD == 0x0)
01709453 134 {
135 cout << " Can not get TreeD" << endl;
136 }
137 AliPMDdigit *pmddigit;
b208c6a3 138 TBranch *branch = fTreeD->GetBranch("PMDDigit");
01709453 139 branch->SetAddress(&fDigits);
140
141 ResetRecpoint();
b208c6a3 142 fTreeR = fPMDLoader->TreeR();
143 if (fTreeR == 0x0)
01709453 144 {
b208c6a3 145 fPMDLoader->MakeTree("R");
146 fTreeR = fPMDLoader->TreeR();
01709453 147 }
148
149 Int_t bufsize = 16000;
b208c6a3 150 fTreeR->Branch("PMDRecpoint", &fRecpoints, bufsize);
01709453 151
b208c6a3 152 Int_t nmodules = (Int_t) fTreeD->GetEntries();
01709453 153
154 for (Int_t imodule = 0; imodule < nmodules; imodule++)
155 {
ed228cbc 156 ResetCellADC();
b208c6a3 157 fTreeD->GetEntry(imodule);
01709453 158 Int_t nentries = fDigits->GetLast();
159 for (Int_t ient = 0; ient < nentries+1; ient++)
160 {
161 pmddigit = (AliPMDdigit*)fDigits->UncheckedAt(ient);
162
163 det = pmddigit->GetDetector();
164 smn = pmddigit->GetSMNumber();
5e6a9312 165 xpos = pmddigit->GetRow();
166 ypos = pmddigit->GetColumn();
01709453 167 adc = pmddigit->GetADC();
ed228cbc 168 //Int_t trno = pmddigit->GetTrackNumber();
01709453 169
ed228cbc 170 fCellADC[xpos][ypos] = (Double_t) adc;
01709453 171 }
01709453 172
ed228cbc 173 idet = det;
174 isup = smn;
175 pmdclust->DoClust(fCellADC,pmdcont);
176
177 Int_t nentries1 = pmdcont->GetEntries();
178 cout << " nentries1 = " << nentries1 << endl;
179 for (Int_t ient1 = 0; ient1 < nentries1; ient1++)
01709453 180 {
ed228cbc 181 clusdata[0] = (Float_t) idet;
182 clusdata[1] = (Float_t) isup;
01709453 183
ed228cbc 184 pmdcl = (AliPMDcluster*)pmdcont->UncheckedAt(ient1);
01709453 185
ed228cbc 186 clusdata[2] = pmdcl->GetClusX();
187 clusdata[3] = pmdcl->GetClusY();
188 clusdata[4] = pmdcl->GetClusADC();
189 clusdata[5] = pmdcl->GetClusCells();
190 clusdata[6] = pmdcl->GetClusRadius();
01709453 191
ed228cbc 192 AddRecPoint(clusdata);
193 }
194 pmdcont->Clear();
195
b208c6a3 196 fTreeR->Fill();
ed228cbc 197 ResetRecpoint();
198
199 } // modules
200
01709453 201 ResetCellADC();
e1287360 202 fPMDLoader = fRunLoader->GetLoader("PMDLoader");
b208c6a3 203 fPMDLoader->WriteRecPoints("OVERWRITE");
01709453 204
205 // delete the pointers
206 delete pmdclust;
207 delete pmdcont;
208
209 // cout << " ***** End::Digits2RecPoints *****" << endl;
210}
211
ed228cbc 212void AliPMDClusterFinder::SetCellEdepCut(Float_t ecut)
213{
214 fEcut = ecut;
215}
216void AliPMDClusterFinder::SetDebug(Int_t idebug)
217{
218 fDebug = idebug;
219}
01709453 220
221void AliPMDClusterFinder::AddRecPoint(Float_t *clusdata)
222{
b208c6a3 223 // Add Reconstructed points
224 //
01709453 225 TClonesArray &lrecpoints = *fRecpoints;
ed228cbc 226 AliPMDrecpoint1 *newrecpoint;
227 newrecpoint = new AliPMDrecpoint1(clusdata);
228 new(lrecpoints[fNpoint++]) AliPMDrecpoint1(newrecpoint);
01709453 229 delete newrecpoint;
230}
231void AliPMDClusterFinder::ResetCellADC()
232{
b208c6a3 233 // Reset the individual cell ADC value to zero
234 //
5e6a9312 235 for(Int_t irow = 0; irow < fgkRow; irow++)
01709453 236 {
5e6a9312 237 for(Int_t icol = 0; icol < fgkCol; icol++)
01709453 238 {
ed228cbc 239 fCellADC[irow][icol] = 0.;
01709453 240 }
241 }
242}
243
244void AliPMDClusterFinder::ResetRecpoint()
245{
b208c6a3 246 // Clear the list of reconstructed points
01709453 247 fNpoint = 0;
248 if (fRecpoints) fRecpoints->Clear();
249}
250void AliPMDClusterFinder::UnLoad(Option_t *option)
251{
b208c6a3 252 // Unload all the *.root files
253 //
01709453 254 const char *cR = strstr(option,"R");
255
256 fRunLoader->UnloadgAlice();
01709453 257
258 if (cR)
259 {
b208c6a3 260 fPMDLoader->UnloadDigits();
e1287360 261 fPMDLoader->UnloadRecPoints();
01709453 262 }
263}