Removing useless flag.
[u/mrichter/AliRoot.git] / OADB / AliOADBTrackFix.cxx
CommitLineData
6cffd6bf 1/**************************************************************************
2 * Copyright(c) 1998-2007, 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// OADB class for run dependent track fixing parameters
20// Convention for phi-dependent data: 0 : 2pi
21// Author: ruben.shahoyan@cern.ch
22//-------------------------------------------------------------------------
23
24#include <TGraph.h>
25#include <TMath.h>
26#include "AliOADBTrackFix.h"
27#include "AliLog.h"
28
29ClassImp(AliOADBTrackFix);
30
31//______________________________________________________________________________
32AliOADBTrackFix::AliOADBTrackFix()
33{
34 // Default constructor
35 for (int imd=0;imd<kNCorModes;imd++) {
36 for (int iside=0;iside<2;iside++) fPtInvCor[imd][iside] = 0;
37 fXIniPtInvCorr[imd] = 0;
38 }
39 //
40}
41//______________________________________________________________________________
42AliOADBTrackFix::AliOADBTrackFix(const char* name) :
43 TNamed(name, "TrackFix")
44{
45 // Constructor
46 for (int imd=0;imd<kNCorModes;imd++) {
47 for (int iside=0;iside<2;iside++) fPtInvCor[imd][iside] = 0;
48 fXIniPtInvCorr[imd] = 0;
49 }
50}
51
52//______________________________________________________________________________
53AliOADBTrackFix::~AliOADBTrackFix()
54{
55 // destructor
56 for (int imd=0;imd<kNCorModes;imd++) for (int iside=0;iside<2;iside++) delete fPtInvCor[imd][iside];
57 //
58}
59
60//______________________________________________________________________________
61void AliOADBTrackFix::SetPtInvCorr(int mode,int side, const TGraph* gr)
62{
63 if (!gr || gr->GetN()<1) {
64 AliInfo(Form("Correction for side %d in mode %d is empty",side,mode));
65 fPtInvCor[mode][side] = 0;
66 }
67 fPtInvCor[mode][side] = gr;
68}
69
70//______________________________________________________________________________
71Double_t AliOADBTrackFix::GetPtInvCorr(int mode, double sideAfrac, double phi) const
72{
73 // calculate the correction for the track of given model at given phi, provided the sideAfrac fraction of its
74 // total lenght in TPC is in side A.
75 if (!fPtInvCor[mode][0] || !fPtInvCor[mode][1]) return 0; // no graph
76 while (phi>2*TMath::Pi()) phi -= 2*TMath::Pi();
77 while (phi<0) phi += 2*TMath::Pi();
1112c329 78 int nb = fPtInvCor[mode][0]->GetN();
79 int bin = int( phi/(2*TMath::Pi())*nb );
80 if (bin==nb) bin = nb-1;
6cffd6bf 81 return sideAfrac*fPtInvCor[mode][0]->GetY()[bin] + (1.-sideAfrac)*fPtInvCor[mode][1]->GetY()[bin];
82}
83
84