/[PAMELA software]/PamCut/TrkCuts/TrkSigmaDeflCut/TrkSigmaDeflCut.cpp
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Contents of /PamCut/TrkCuts/TrkSigmaDeflCut/TrkSigmaDeflCut.cpp

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Revision 1.1 - (show annotations) (download)
Wed May 27 13:30:09 2009 UTC (15 years, 6 months ago) by pam-fi
Branch: MAIN
Branch point for: DEV
Initial revision

1 /*
2 * TrkSigmaDeflCut.cpp
3 *
4 * Created on:23-apr-2009
5 * Author: S. Ricciarini
6 */
7
8 /*! @file TrkSigmaDeflCut.cpp The TrkRigGeoCut class implementation file */
9
10 #include "TrkSigmaDeflCut.h"
11
12 TrkSigmaDeflCut::TrkSigmaDeflCut(const char *cutName, const char* rigBinListFileName) :
13 PamCut(cutName), _binning(0) {
14
15 ifstream rigBinList;
16 rigBinList.open(rigBinListFileName);
17 TString bin;
18
19 while (!rigBinList.eof()) {
20 rigBinList >> bin;
21 if (bin != "") {
22 _binning.push_back(bin.Atof());
23 #ifdef DEBUGPAMCUT
24 cout << "Bin: " << bin.Atof() << endl;
25 #endif
26 }
27 }
28
29 rigBinList.close();
30
31 #ifdef DEBUGPAMCUT
32 cout << "\nNumber of bins: " << _binning.size() << endl;
33 #endif
34 }
35
36 int TrkSigmaDeflCut::Check(PamLevel2 *event) {
37
38 TrkTrack *trkTrack = event->GetTrack(0)->GetTrkTrack();
39
40 float sigmaDefl = pow(trkTrack->coval[4][4],0.5);
41 float rigMod = trkTrack->GetRigidity();
42
43 // cout << "sigmaDefl: " << sigmaDefl << endl;
44 // cout << "rigMod: " << rigMod << endl;
45
46 // check on overall binning interval
47 if (rigMod >= _binning[_binning.size() - 1] || rigMod < _binning[0]) {
48 return 0;
49 }
50
51 //Bin upper limit identification: after this loop, the bin containing rigMod is defined as (_binning[i-1] , _binning[i])
52 int i = 1;
53 while (_binning[i] < rigMod) {
54 i++;
55 }
56
57 // cout << "binmax: " << _binning[i] << endl;
58
59 if ( ! ( sigmaDefl < 1./_binning[i]) ) { // required condition: sigma_defl < |defl_min(bin)| = 1./|rig_max(bin)| = 1./_binning[i]
60 return 1;
61 }
62
63 // cout << "OK" << endl;
64 // cout << endl;
65
66 return CUTOK;
67 }

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