1 /////////////////////////////////////////////////////////////////////////////
3 // AliFemtoShareQualityPairCut - a pair cut which checks for some pair //
4 // qualities that attempt to identify slit/doubly reconstructed tracks //
6 /////////////////////////////////////////////////////////////////////////////
7 /***************************************************************************
11 * Author: Adam Kisiel, Ohio State, kisiel@mps.ohio-state.edu
12 ***************************************************************************
14 * Description: part of STAR HBT Framework: AliFemtoMaker package
15 * a cut to remove "shared" and "split" pairs
17 ***************************************************************************
20 **************************************************************************/
22 #include "AliFemtoShareQualityPairCut.h"
27 ClassImp(AliFemtoShareQualityPairCut)
31 AliFemtoShareQualityPairCut::AliFemtoShareQualityPairCut():
34 fShareQualityMax(1.0),
35 fShareFractionMax(1.0),
38 // Default constructor
42 AliFemtoShareQualityPairCut::~AliFemtoShareQualityPairCut(){
46 bool AliFemtoShareQualityPairCut::Pass(const AliFemtoPair* pair){
47 // Check for pairs that are possibly shared/double reconstruction
54 for (unsigned int imap=0; imap<pair->Track1()->Track()->TPCclusters().GetNbits(); imap++) {
55 // If both have clusters in the same row
56 if (pair->Track1()->Track()->TPCclusters().TestBitNumber(imap) &&
57 pair->Track2()->Track()->TPCclusters().TestBitNumber(imap)) {
59 if (pair->Track1()->Track()->TPCsharing().TestBitNumber(imap) &&
60 pair->Track2()->Track()->TPCsharing().TestBitNumber(imap))
62 // cout << "A shared cluster !!!" << endl;
63 // cout << "imap idx1 idx2 "
65 // << tP1idx[imap] << " " << tP2idx[imap] << endl;
71 // Different hits on the same padrow
77 else if (pair->Track1()->Track()->TPCclusters().TestBitNumber(imap) ||
78 pair->Track2()->Track()->TPCclusters().TestBitNumber(imap)) {
79 // One track has a hit, the other does not
92 // if (hsmval > -0.4) {
93 // cout << "Pair quality: " << hsmval << " " << an << " " << nh << " "
94 // << (pair->Track1()->Track()) << " "
95 // << (pair->Track2()->Track()) << endl;
96 // cout << "Bits: " << pair->Track1()->Track()->TPCclusters().GetNbits() << endl;
98 // if (hsfval > 0.0) {
99 // cout << "Pair sharity: " << hsfval << " " << ns << " " << nh << " " << hsmval << " " << an << " " << nh << endl;
102 temp = (hsmval < fShareQualityMax) && (hsfval < fShareFractionMax);
104 if (fRemoveSameLabel) {
105 if (abs(pair->Track1()->Track()->Label()) == abs(pair->Track2()->Track()->Label())) {
106 cout << "Found a pair with same label " << pair->Track1()->Track()->Label() << endl;
107 cout << "Quality Sharity Passed " << hsmval << " " << hsfval << " " << pair->QInv() << " " << temp << endl;
112 temp ? fNPairsPassed++ : fNPairsFailed++;
116 AliFemtoString AliFemtoShareQualityPairCut::Report(){
117 // Prepare the report from the execution
118 string stemp = "AliFemtoShareQuality Pair Cut - remove shared and split pairs\n"; char ctemp[100];
119 sprintf(ctemp,"Number of pairs which passed:\t%ld Number which failed:\t%ld\n",fNPairsPassed,fNPairsFailed);
121 AliFemtoString returnThis = stemp;
125 void AliFemtoShareQualityPairCut::SetShareQualityMax(Double_t aShareQualityMax) {
126 fShareQualityMax = aShareQualityMax;
129 Double_t AliFemtoShareQualityPairCut::GetAliFemtoShareQualityMax() const {
130 return fShareQualityMax;
133 void AliFemtoShareQualityPairCut::SetShareFractionMax(Double_t aShareFractionMax) {
134 fShareFractionMax = aShareFractionMax;
136 Double_t AliFemtoShareQualityPairCut::GetAliFemtoShareFractionMax() const {
137 return fShareFractionMax;
140 TList *AliFemtoShareQualityPairCut::ListSettings()
142 // return a list of settings in a writable form
143 TList *tListSetttings = new TList();
145 snprintf(buf, 200, "AliFemtoShareQualityPairCut.sharequalitymax=%f", fShareQualityMax);
146 snprintf(buf, 200, "AliFemtoShareQualityPairCut.sharefractionmax=%f", fShareFractionMax);
147 tListSetttings->AddLast(new TObjString(buf));
149 return tListSetttings;
152 void AliFemtoShareQualityPairCut::SetRemoveSameLabel(Bool_t aRemove)
154 fRemoveSameLabel = aRemove;