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root/cvsroot/UserCode/FGolf/Tools/tools.cc
Revision: 1.1
Committed: Sun Aug 29 18:25:19 2010 UTC (14 years, 8 months ago) by fgolf
Content type: text/plain
Branch: MAIN
Log Message:
some tools useful for a variety of studies

File Contents

# User Rev Content
1 fgolf 1.1 #include <algorithm>
2     #include <set>
3     #include "Math/VectorUtil.h"
4     #include "Math/PtEtaPhiE4D.h"
5     #include "Math/PtEtaPhiM4D.h"
6     #include "Math/LorentzVector.h"
7     #include "TH1F.h"
8     #include "TH2F.h"
9     #include "TFile.h"
10     #include "TMath.h"
11     #include "TList.h"
12     #include "TRegexp.h"
13     #include "TDirectory.h"
14     #include "tools.h"
15     #include "../CORE/CMS2.h"
16    
17     // use this directory to store our histograms (so they can be written to file in one fell swoop)
18     TDirectory *histo_directory = new TDirectory("histo_directory", "directory for all our histograms");
19    
20     void progressBar(int& i_permille_old, int nEventsTotal, int nEventsChain) {
21     //
22     // progress bar
23     //
24     int i_permille = (int)floor(1000 * nEventsTotal / float(nEventsChain));
25     if (i_permille != i_permille_old) {
26     // xterm magic from L. Vacavant and A. Cerri
27     printf("\015\033[32m ---> \033[1m\033[31m%4.1f%%"
28     "\033[0m\033[32m <---\033[0m\015", i_permille/10.);
29     fflush(stdout);
30     i_permille_old = i_permille;
31     }
32     }
33    
34     DorkyEventIdentifier::DorkyEventIdentifier (CMS2 &cms2)
35     : run(cms2.evt_run()),
36     event(cms2.evt_event()),
37     lumi_section(cms2.evt_lumiBlock()),
38     trks_d0(cms2.trks_d0().at(0)), // use at() because that way we
39     // get an exception if we are
40     // out of bounds
41     trks_pt (cms2.trks_trk_p4().at(0).pt()),
42     trks_eta(cms2.trks_trk_p4().at(0).eta()),
43     trks_phi(cms2.trks_trk_p4().at(0).phi()) { }
44    
45     DorkyEventIdentifier::DorkyEventIdentifier (unsigned long int r, unsigned long int e, unsigned long int l)
46     : run(r),
47     event(e),
48     lumi_section(l),
49     trks_d0(0),
50     trks_pt (0),
51     trks_eta(0),
52     trks_phi(0) { }
53    
54     bool DorkyEventIdentifier::operator < (const DorkyEventIdentifier &other) const
55     {
56     if (run != other.run)
57     return run < other.run;
58     if (event != other.event)
59     return event < other.event;
60     if (lumi_section != other.lumi_section)
61     return lumi_section < other.lumi_section;
62     if (TMath::Abs(trks_d0 - other.trks_d0) > 1e-6 * fabs(trks_d0))
63     return trks_d0 < other.trks_d0;
64     if (TMath::Abs(trks_pt - other.trks_pt) > 1e-6 * fabs(trks_pt))
65     return trks_pt < other.trks_pt;
66     if (TMath::Abs(trks_eta - other.trks_eta) > 1e-6 * fabs(trks_eta))
67     return trks_eta < other.trks_eta;
68     if (TMath::Abs(trks_phi - other.trks_phi) > 1e-6 * fabs(trks_phi))
69     return trks_phi < other.trks_phi;
70     return false;
71     }
72    
73     bool DorkyEventIdentifier::operator == (const DorkyEventIdentifier &other) const
74     {
75     if (run != other.run)
76     return false;
77     if (event != other.event)
78     return false;
79     if (lumi_section != other.lumi_section)
80     return false;
81     if (TMath::Abs(trks_d0 - other.trks_d0) > 1e-6 * fabs(trks_d0))
82     return false;
83     if (TMath::Abs(trks_pt - other.trks_pt) > 1e-6 * fabs(trks_pt))
84     return false;
85     if (TMath::Abs(trks_eta - other.trks_eta) > 1e-6 * fabs(trks_eta))
86     return false;
87     if (TMath::Abs(trks_phi - other.trks_phi) > 1e-6 * fabs(trks_phi))
88     return false;
89     return true;
90     }
91    
92     std::set<DorkyEventIdentifier> already_seen;
93    
94     bool is_duplicate (const DorkyEventIdentifier &id)
95     {
96     std::pair<std::set<DorkyEventIdentifier>::const_iterator, bool> ret =
97     already_seen.insert(id);
98     return !ret.second;
99     }
100    
101     // save histograms to outfile
102     void saveHist(const char* filename, const char* pat)
103     {
104     TList* list = histo_directory->GetList() ;
105     TIterator* iter = list->MakeIterator();
106    
107     //TRegexp re(pat,kTRUE) ;
108    
109     TRegexp re(pat, 1) ;
110    
111     TFile outf(filename,"RECREATE") ;
112     while(TObject *obj=iter->Next()) {
113     if (TString(obj->GetName()).Index(re)>=0) {
114     obj->Write() ;
115     cout << "." ;
116     cout.flush() ;
117     }
118     }
119     cout << endl ;
120     outf.Close() ;
121    
122     delete iter ;
123     }
124