Option to read gas pressure tables from LHC PR 674.
[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 //
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
114void 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 214void AliPMDClusterFinder::SetCellEdepCut(Float_t ecut)
215{
216 fEcut = ecut;
217}
218void AliPMDClusterFinder::SetDebug(Int_t idebug)
219{
220 fDebug = idebug;
221}
01709453 222
223void 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}
233void 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
246void AliPMDClusterFinder::ResetRecpoint()
247{
b208c6a3 248 // Clear the list of reconstructed points
01709453 249 fNpoint = 0;
250 if (fRecpoints) fRecpoints->Clear();
251}
252void 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}