Added GetELossRandomKFast and CalcELossRandomKFast
[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
dfaeee5f 53AliPMDClusterFinder::AliPMDClusterFinder(AliRunLoader* runLoader):
54 fRunLoader(runLoader),
55 fPMDLoader(runLoader->GetLoader("PMDLoader")),
1758e4fe 56 fTreeD(0),
57 fTreeR(0),
58 fDigits(0),
59 fRecpoints(new TClonesArray("AliPMDrecpoint1", 1000)),
60 fNpoint(0),
61 fDebug(0),
62 fEcut(0.)
01709453 63{
b208c6a3 64//
dfaeee5f 65// Constructor
b208c6a3 66//
01709453 67}
1758e4fe 68// ------------------------------------------------------------------------- //
01709453 69AliPMDClusterFinder::~AliPMDClusterFinder()
70{
b208c6a3 71 // Destructor
1758e4fe 72 if (fRecpoints)
73 {
74 fRecpoints->Delete();
75 delete fRecpoints;
76 fRecpoints=0;
77 }
01709453 78}
1758e4fe 79// ------------------------------------------------------------------------- //
b208c6a3 80
01709453 81void AliPMDClusterFinder::Digits2RecPoints(Int_t ievt)
82{
b208c6a3 83 // Converts digits to recpoints after running clustering
84 // algorithm on CPV plane and PREshower plane
85 //
ed228cbc 86 Int_t det = 0,smn = 0;
01709453 87 Int_t xpos,ypos;
88 Float_t adc;
1758e4fe 89 Int_t ismn;
01709453 90 Int_t idet;
1758e4fe 91 Float_t clusdata[5];
ed228cbc 92
93 TObjArray *pmdcont = new TObjArray();
94 AliPMDcluster *pmdcl = new AliPMDcluster;
95 AliPMDClustering *pmdclust = new AliPMDClustering();
96 pmdclust->SetDebug(fDebug);
97 pmdclust->SetEdepCut(fEcut);
01709453 98
dfaeee5f 99 fPMDLoader->LoadDigits("READ");
100 fPMDLoader->LoadRecPoints("recreate");
01709453 101 fRunLoader->GetEvent(ievt);
102 //cout << " ***** Beginning::Digits2RecPoints *****" << endl;
b208c6a3 103 fTreeD = fPMDLoader->TreeD();
104 if (fTreeD == 0x0)
01709453 105 {
106 cout << " Can not get TreeD" << endl;
107 }
108 AliPMDdigit *pmddigit;
b208c6a3 109 TBranch *branch = fTreeD->GetBranch("PMDDigit");
01709453 110 branch->SetAddress(&fDigits);
111
112 ResetRecpoint();
b208c6a3 113 fTreeR = fPMDLoader->TreeR();
114 if (fTreeR == 0x0)
01709453 115 {
b208c6a3 116 fPMDLoader->MakeTree("R");
117 fTreeR = fPMDLoader->TreeR();
01709453 118 }
119
120 Int_t bufsize = 16000;
b208c6a3 121 fTreeR->Branch("PMDRecpoint", &fRecpoints, bufsize);
01709453 122
b208c6a3 123 Int_t nmodules = (Int_t) fTreeD->GetEntries();
01709453 124
125 for (Int_t imodule = 0; imodule < nmodules; imodule++)
126 {
ed228cbc 127 ResetCellADC();
b208c6a3 128 fTreeD->GetEntry(imodule);
01709453 129 Int_t nentries = fDigits->GetLast();
130 for (Int_t ient = 0; ient < nentries+1; ient++)
131 {
132 pmddigit = (AliPMDdigit*)fDigits->UncheckedAt(ient);
133
134 det = pmddigit->GetDetector();
135 smn = pmddigit->GetSMNumber();
5e6a9312 136 xpos = pmddigit->GetRow();
137 ypos = pmddigit->GetColumn();
01709453 138 adc = pmddigit->GetADC();
ed228cbc 139 //Int_t trno = pmddigit->GetTrackNumber();
01709453 140
ed228cbc 141 fCellADC[xpos][ypos] = (Double_t) adc;
01709453 142 }
01709453 143
ed228cbc 144 idet = det;
1758e4fe 145 ismn = smn;
146 pmdclust->DoClust(idet,ismn,fCellADC,pmdcont);
ed228cbc 147
148 Int_t nentries1 = pmdcont->GetEntries();
dfaeee5f 149// cout << " nentries1 = " << nentries1 << endl;
ed228cbc 150 for (Int_t ient1 = 0; ient1 < nentries1; ient1++)
01709453 151 {
ed228cbc 152 pmdcl = (AliPMDcluster*)pmdcont->UncheckedAt(ient1);
1758e4fe 153 idet = pmdcl->GetDetector();
154 ismn = pmdcl->GetSMN();
155 clusdata[0] = pmdcl->GetClusX();
156 clusdata[1] = pmdcl->GetClusY();
157 clusdata[2] = pmdcl->GetClusADC();
158 clusdata[3] = pmdcl->GetClusCells();
159 clusdata[4] = pmdcl->GetClusRadius();
01709453 160
1758e4fe 161 AddRecPoint(idet,ismn,clusdata);
ed228cbc 162 }
163 pmdcont->Clear();
164
b208c6a3 165 fTreeR->Fill();
ed228cbc 166 ResetRecpoint();
167
168 } // modules
169
01709453 170 ResetCellADC();
e1287360 171 fPMDLoader = fRunLoader->GetLoader("PMDLoader");
b208c6a3 172 fPMDLoader->WriteRecPoints("OVERWRITE");
dfaeee5f 173 fPMDLoader->UnloadRecPoints();
174 fPMDLoader->UnloadDigits();
01709453 175
176 // delete the pointers
177 delete pmdclust;
178 delete pmdcont;
179
180 // cout << " ***** End::Digits2RecPoints *****" << endl;
181}
1758e4fe 182// ------------------------------------------------------------------------- //
ed228cbc 183void AliPMDClusterFinder::SetCellEdepCut(Float_t ecut)
184{
185 fEcut = ecut;
186}
1758e4fe 187// ------------------------------------------------------------------------- //
ed228cbc 188void AliPMDClusterFinder::SetDebug(Int_t idebug)
189{
190 fDebug = idebug;
191}
1758e4fe 192// ------------------------------------------------------------------------- //
193void AliPMDClusterFinder::AddRecPoint(Int_t idet,Int_t ismn,Float_t *clusdata)
01709453 194{
b208c6a3 195 // Add Reconstructed points
196 //
01709453 197 TClonesArray &lrecpoints = *fRecpoints;
ed228cbc 198 AliPMDrecpoint1 *newrecpoint;
1758e4fe 199 newrecpoint = new AliPMDrecpoint1(idet, ismn, clusdata);
ed228cbc 200 new(lrecpoints[fNpoint++]) AliPMDrecpoint1(newrecpoint);
01709453 201 delete newrecpoint;
202}
1758e4fe 203// ------------------------------------------------------------------------- //
01709453 204void AliPMDClusterFinder::ResetCellADC()
205{
b208c6a3 206 // Reset the individual cell ADC value to zero
207 //
5e6a9312 208 for(Int_t irow = 0; irow < fgkRow; irow++)
01709453 209 {
5e6a9312 210 for(Int_t icol = 0; icol < fgkCol; icol++)
01709453 211 {
ed228cbc 212 fCellADC[irow][icol] = 0.;
01709453 213 }
214 }
215}
1758e4fe 216// ------------------------------------------------------------------------- //
01709453 217
218void AliPMDClusterFinder::ResetRecpoint()
219{
b208c6a3 220 // Clear the list of reconstructed points
01709453 221 fNpoint = 0;
222 if (fRecpoints) fRecpoints->Clear();
223}
1758e4fe 224// ------------------------------------------------------------------------- //
01709453 225void AliPMDClusterFinder::UnLoad(Option_t *option)
226{
b208c6a3 227 // Unload all the *.root files
228 //
01709453 229 const char *cR = strstr(option,"R");
230
231 fRunLoader->UnloadgAlice();
01709453 232
233 if (cR)
234 {
b208c6a3 235 fPMDLoader->UnloadDigits();
e1287360 236 fPMDLoader->UnloadRecPoints();
01709453 237 }
238}
1758e4fe 239// ------------------------------------------------------------------------- //