Only one initializer for a default argument
[u/mrichter/AliRoot.git] / TRD / AliTRDclusterizer.cxx
CommitLineData
f7336fa3 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$Log$
6f1e466d 18Revision 1.1.4.1 2000/05/08 15:08:03 cblume
19Remove the class AliTRDcluster
20
21Revision 1.1 2000/02/28 18:57:58 cblume
22Add new TRD classes
23
f7336fa3 24*/
25
26///////////////////////////////////////////////////////////////////////////////
27// //
28// TRD cluster finder base class //
29// //
30///////////////////////////////////////////////////////////////////////////////
31
32#include "AliRun.h"
33
34#include "AliTRD.h"
35#include "AliTRDclusterizer.h"
36
37ClassImp(AliTRDclusterizer)
38
39//_____________________________________________________________________________
40AliTRDclusterizer::AliTRDclusterizer():TNamed()
41{
42 //
43 // AliTRDclusterizer default constructor
44 //
45
46 fInputFile = NULL;
47 fEvent = 0;
48
49}
50
51//_____________________________________________________________________________
52AliTRDclusterizer::AliTRDclusterizer(const Text_t* name, const Text_t* title)
53 :TNamed(name, title)
54{
55 //
56 // AliTRDclusterizer default constructor
57 //
58
59 fInputFile = NULL;
60 fEvent = 0;
61
62 Init();
63
64}
65
66//_____________________________________________________________________________
67AliTRDclusterizer::~AliTRDclusterizer()
68{
69
70 if (fInputFile) {
71 fInputFile->Close();
72 delete fInputFile;
73 }
74
75}
76
77//_____________________________________________________________________________
78void AliTRDclusterizer::Init()
79{
80 //
81 // Initializes the cluster finder
82 //
83
84}
85
86//_____________________________________________________________________________
87Bool_t AliTRDclusterizer::Open(const Char_t *name, Int_t nEvent)
88{
89 //
90 // Opens a ROOT-file with TRD-hits and reads in the digits-tree
91 //
92
93 // Connect the AliRoot file containing Geometry, Kine, and Hits
94 fInputFile = (TFile*) gROOT->GetListOfFiles()->FindObject(name);
95 if (!fInputFile) {
96 printf("AliTRDclusterizer::Open -- ");
97 printf("Open the ALIROOT-file %s.\n",name);
98 fInputFile = new TFile(name,"UPDATE");
99 }
100 else {
101 printf("AliTRDclusterizer::Open -- ");
102 printf("%s is already open.\n",name);
103 }
104
105 // Get AliRun object from file or create it if not on file
106 //if (!gAlice) {
107 gAlice = (AliRun*) fInputFile->Get("gAlice");
108 if (gAlice) {
109 printf("AliTRDclusterizer::Open -- ");
110 printf("AliRun object found on file.\n");
111 }
112 else {
113 printf("AliTRDclusterizer::Open -- ");
114 printf("Could not find AliRun object.\n");
115 return kFALSE;
116 }
117 //}
118
119 fEvent = nEvent;
120
121 // Import the Trees for the event nEvent in the file
122 Int_t nparticles = gAlice->GetEvent(fEvent);
123 if (nparticles <= 0) {
124 printf("AliTRDclusterizer::Open -- ");
125 printf("No entries in the trees for event %d.\n",fEvent);
126 return kFALSE;
127 }
128
129 return kTRUE;
130
131}
132
133//_____________________________________________________________________________
134Bool_t AliTRDclusterizer::WriteCluster()
135{
136 //
137 // Writes out the TRD-cluster
138 //
139
140 // Write the new tree into the input file (use overwrite option)
141 Char_t treeName[7];
142 sprintf(treeName,"TreeR%d",fEvent);
143 printf("AliTRDclusterizer::WriteCluster -- ");
144 printf("Write the cluster tree %s for event %d.\n"
145 ,treeName,fEvent);
146 gAlice->TreeR()->Write(treeName,2);
147
148 return kTRUE;
149
150}