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[u/mrichter/AliRoot.git] / TPC / AliTPCReconstructor.cxx
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59697224 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/* $Id$ */
17
18///////////////////////////////////////////////////////////////////////////////
19// //
20// class for TPC reconstruction //
21// //
22///////////////////////////////////////////////////////////////////////////////
23
24
25#include "AliTPCReconstructor.h"
26#include "AliRunLoader.h"
27#include "AliRun.h"
38e6e547 28#include "AliRawReader.h"
59697224 29#include "AliTPCclustererMI.h"
30#include "AliTPCtrackerMI.h"
31#include "AliTPCpidESD.h"
4fb6310b 32#include "AliTPCParam.h"
90c7886e 33#include "AliTPCParamSR.h"
3d37b790 34#include "AliTPCcalibDB.h"
59697224 35
36ClassImp(AliTPCReconstructor)
37
194b0609 38
39AliTPCRecoParam * AliTPCReconstructor::fgkRecoParam =0; // reconstruction parameters
40Int_t AliTPCReconstructor::fgStreamLevel = 0; // stream (debug) level
41
42
3464c690 43AliTPCReconstructor::AliTPCReconstructor():
44AliReconstructor(),
45fClusterer(NULL)
46{
194b0609 47 //
48 // default constructor
49 //
50 if (!fgkRecoParam) {
51 AliError("The Reconstruction parameters nonitialized - Used default one");
52 fgkRecoParam = AliTPCRecoParam::GetHighFluxParam();
53 }
3464c690 54
55 AliTPCParam* param = GetTPCParam();
56 if (!param) {
57 AliWarning("Loading default TPC parameters !");
58 param = new AliTPCParamSR;
59 }
60 fClusterer = new AliTPCclustererMI(param);
194b0609 61}
62
3464c690 63//_____________________________________________________________________________
64AliTPCReconstructor::~AliTPCReconstructor()
65{
66 if (fgkRecoParam) delete fgkRecoParam;
67 if (fClusterer) delete fClusterer;
68}
194b0609 69
59697224 70//_____________________________________________________________________________
3464c690 71void AliTPCReconstructor::Reconstruct(TTree* digitsTree, TTree* clustersTree) const {
72 // single event local reconstruction
73 // of TPC data
74 fClusterer->SetInput(digitsTree);
75 fClusterer->SetOutput(clustersTree);
76 fClusterer->Digits2Clusters();
77}
78
79//_____________________________________________________________________________
3464c690 80void AliTPCReconstructor::Reconstruct(AliRawReader* rawReader, TTree* clustersTree) const {
81 // single event local reconstruction
82 // of TPC data starting from raw data
83 TString option = GetOption();
84 if (option.Contains("OldRCUFormat"))
85 fClusterer->SetOldRCUFormat(kTRUE);
86
87 fClusterer->SetOutput(clustersTree);
88 fClusterer->Digits2Clusters(rawReader);
89}
90
91//_____________________________________________________________________________
d76c31f4 92AliTracker* AliTPCReconstructor::CreateTracker() const
59697224 93{
94// create a TPC tracker
95
3464c690 96 AliTPCParam* param = GetTPCParam();
90c7886e 97 if (!param) {
98 AliWarning("Loading default TPC parameters !");
99 param = new AliTPCParamSR;
100 }
4fb6310b 101 param->ReadGeoMatrices();
59697224 102 return new AliTPCtrackerMI(param);
103}
104
105//_____________________________________________________________________________
d76c31f4 106void AliTPCReconstructor::FillESD(TTree */*digitsTree*/, TTree */*clustersTree*/,
af885e0f 107 AliESDEvent* esd) const
59697224 108{
109// make PID
110
7a8614f3 111 Double_t parTPC[] = {47., 0.07, 5.};
59697224 112 AliTPCpidESD tpcPID(parTPC);
113 tpcPID.MakePID(esd);
114}
115
116
117//_____________________________________________________________________________
3464c690 118AliTPCParam* AliTPCReconstructor::GetTPCParam() const
59697224 119{
120// get the TPC parameters
121
3464c690 122 AliTPCParam* param = AliTPCcalibDB::Instance()->GetParameters();
3d37b790 123
6d75e4b6 124 return param;
59697224 125}