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root/cvsroot/UserCode/IPHCalignment2/analysis/TreeProducer.cpp
Revision: 1.5
Committed: Thu Dec 8 10:23:04 2011 UTC (13 years, 4 months ago) by cgoetzma
Branch: MAIN
CVS Tags: TBD2011, HEAD
Changes since 1.4: +9 -1 lines
Log Message:
chris update

File Contents

# User Rev Content
1 econte 1.1 #define TreeProducer_cxx
2     #include "TreeProducer.h"
3     #include <TH2.h>
4     #include <TStyle.h>
5     #include <TCanvas.h>
6     #include <stdlib.h>
7     #include <iostream>
8    
9     TreeProducer::TreeProducer(const std::string& filename, const std::string& name)
10     {
11     TTree* tree=0;
12     TFile *f = new TFile(filename.c_str());
13     if (!f->IsOpen())
14     {
15     std::cout << "File called " << filename << " is not found" << std::endl;
16     exit(1);
17     }
18     tree = (TTree*)gDirectory->Get(name.c_str());
19     if (tree==0)
20     {
21     std::cout << "Tree called " << name << "is not found in file " << filename << std::endl;
22     exit(1);
23     }
24    
25     Init(tree);
26     }
27    
28    
29     TreeProducer::~TreeProducer()
30     {
31     if (!fChain) return;
32     delete fChain->GetCurrentFile();
33     }
34    
35     Int_t TreeProducer::GetEntry(Long64_t entry)
36     {
37     // Read contents of entry.
38     if (!fChain) return 0;
39     return fChain->GetEntry(entry);
40     }
41     Long64_t TreeProducer::LoadTree(Long64_t entry)
42     {
43     // Set the environment to read one entry
44     if (!fChain) return -5;
45     Long64_t centry = fChain->LoadTree(entry);
46     if (centry < 0) return centry;
47     if (!fChain->InheritsFrom(TChain::Class())) return centry;
48     TChain *chain = (TChain*)fChain;
49     if (chain->GetTreeNumber() != fCurrent) {
50     fCurrent = chain->GetTreeNumber();
51     Notify();
52     }
53     return centry;
54     }
55    
56     void TreeProducer::Init(TTree *tree)
57     {
58     // The Init() function is called when the selector needs to initialize
59     // a new tree or chain. Typically here the branch addresses and branch
60     // pointers of the tree will be set.
61     // It is normally not necessary to make changes to the generated
62     // code, but the routine can be extended by the user if needed.
63     // Init() will be called many times when running on PROOF
64     // (once per file to be processed).
65    
66     // Set branch addresses and branch pointers
67     if (!tree) return;
68     fChain = tree;
69     fCurrent = -1;
70     fChain->SetMakeClass(1);
71    
72     fChain->SetBranchAddress("nTrack", &nTrack, &b_nTrack);
73     fChain->SetBranchAddress("Track_dxy", Track_dxy, &b_Track_dxy);
74     fChain->SetBranchAddress("Track_dxyError", Track_dxyError, &b_Track_dxyError);
75     fChain->SetBranchAddress("Track_dz", Track_dz, &b_Track_dz);
76     fChain->SetBranchAddress("Track_p", Track_p, &b_Track_p);
77     fChain->SetBranchAddress("Track_pt", Track_pt, &b_Track_pt);
78     fChain->SetBranchAddress("Track_px", Track_px, &b_Track_px);
79     fChain->SetBranchAddress("Track_py", Track_py, &b_Track_py);
80     fChain->SetBranchAddress("Track_pz", Track_pz, &b_Track_pz);
81     fChain->SetBranchAddress("Track_eta", Track_eta, &b_Track_eta);
82     fChain->SetBranchAddress("Track_phi", Track_phi, &b_Track_phi);
83     fChain->SetBranchAddress("Track_chi2", Track_chi2, &b_Track_chi2);
84     fChain->SetBranchAddress("Track_ndf", Track_ndf, &b_Track_ndf);
85     fChain->SetBranchAddress("Track_charge", Track_charge, &b_Track_charge);
86     fChain->SetBranchAddress("Track_nHitStrip", Track_nHitStrip, &b_Track_nHitStrip);
87     fChain->SetBranchAddress("Track_nHitPixel", Track_nHitPixel, &b_Track_nHitPixel);
88     fChain->SetBranchAddress("Track_hitIndexBegin", Track_hitIndexBegin, &b_Track_hitIndexBegin);
89     fChain->SetBranchAddress("Track_hitIndexEnd", Track_hitIndexEnd, &b_Track_hitIndexEnd);
90 cgoetzma 1.2
91     fChain->SetBranchAddress("d0_Center", &d0_Center, &b_d0_Center);
92     fChain->SetBranchAddress("d0_BS", &d0_BS, &b_d0_BS);
93     fChain->SetBranchAddress("d0_PV", &d0_PV, &b_d0_PV);
94    
95 cgoetzma 1.4 //Alessio Plots
96     fChain->SetBranchAddress("QoverPGen", QoverPGen, &b_QoverPGen );
97     fChain->SetBranchAddress("lambdaGen", lambdaGen, &b_lambdaGen );
98     fChain->SetBranchAddress("dxyGen", dxyGen, &b_dxyGen );
99     fChain->SetBranchAddress("dszGen", dszGen, &b_dszGen );
100     fChain->SetBranchAddress("dxy0Gen", dxy0Gen, &b_dxy0Gen );
101     fChain->SetBranchAddress("dsz0Gen", dsz0Gen, &b_dsz0Gen );
102    
103     fChain->SetBranchAddress("QoverP", QoverP, &b_QoverP );
104     fChain->SetBranchAddress("lambda", lambda, &b_lambda );
105 cgoetzma 1.5 fChain->SetBranchAddress("dxy", dxy, &b_dxy);
106 cgoetzma 1.4 fChain->SetBranchAddress("dsz", dsz, &b_dsz );
107     fChain->SetBranchAddress("dxy0", dxy0, &b_dxy0 );
108     fChain->SetBranchAddress("dsz0", dsz0, &b_dsz0 );
109 cgoetzma 1.5
110     fChain->SetBranchAddress("QoverP_error", QoverP_error, &b_QoverP_error );
111     fChain->SetBranchAddress("lambda_error", lambda_error, &b_lambda_error );
112     fChain->SetBranchAddress("dxy_error", dxy_error, &b_dxy_error);
113     fChain->SetBranchAddress("dsz_error", dsz_error, &b_dsz_error );
114     fChain->SetBranchAddress("dxy0_error", dxy0_error, &b_dxy0_error );
115     fChain->SetBranchAddress("dsz0_error", dsz0_error, &b_dsz0_error );
116    
117 cgoetzma 1.4 //-------------
118    
119    
120 cgoetzma 1.2 fChain->SetBranchAddress("BS_X", &BS_X, &b_BS_X);
121     fChain->SetBranchAddress("BS_Y", &BS_Y, &b_BS_Y);
122     fChain->SetBranchAddress("BS_Z", &BS_Z, &b_BS_Z);
123    
124 econte 1.1 fChain->SetBranchAddress("TrackGen_p", TrackGen_p, &b_TrackGen_p);
125     fChain->SetBranchAddress("TrackGen_pt", TrackGen_pt, &b_TrackGen_pt);
126     fChain->SetBranchAddress("TrackGen_px", TrackGen_px, &b_TrackGen_px);
127     fChain->SetBranchAddress("TrackGen_py", TrackGen_py, &b_TrackGen_py);
128     fChain->SetBranchAddress("TrackGen_pz", TrackGen_pz, &b_TrackGen_pz);
129     fChain->SetBranchAddress("TrackGen_eta", TrackGen_eta, &b_TrackGen_eta);
130     fChain->SetBranchAddress("TrackGen_phi", TrackGen_phi, &b_TrackGen_phi);
131     fChain->SetBranchAddress("TrackGen_charge", TrackGen_charge, &b_TrackGen_charge);
132     fChain->SetBranchAddress("TrackGen_deltaRreco", TrackGen_deltaRreco, &b_TrackGen_deltaRreco);
133     fChain->SetBranchAddress("nHit", &nHit, &b_nHit);
134     fChain->SetBranchAddress("hitXLocalPosition", &hitXLocalPosition, &b_hitXLocalPosition);
135     fChain->SetBranchAddress("hitYLocalPosition", &hitYLocalPosition, &b_hitYLocalPosition);
136     fChain->SetBranchAddress("hitZLocalPosition", &hitZLocalPosition, &b_hitZLocalPosition);
137     fChain->SetBranchAddress("hitXLocalPositionError", &hitXLocalPositionError, &b_hitXLocalPositionError);
138     fChain->SetBranchAddress("hitYLocalPositionError", &hitYLocalPositionError, &b_hitYLocalPositionError);
139     fChain->SetBranchAddress("hitZLocalPositionError", &hitZLocalPositionError, &b_hitZLocalPositionError);
140     fChain->SetBranchAddress("expectedXLocalPosition", &expectedXLocalPosition, &b_expectedXLocalPosition);
141     fChain->SetBranchAddress("expectedYLocalPosition", &expectedYLocalPosition, &b_expectedYLocalPosition);
142     fChain->SetBranchAddress("expectedZLocalPosition", &expectedZLocalPosition, &b_expectedZLocalPosition);
143     fChain->SetBranchAddress("expectedXLocalPositionError", &expectedXLocalPositionError, &b_expectedXLocalPositionError);
144     fChain->SetBranchAddress("expectedYLocalPositionError", &expectedYLocalPositionError, &b_expectedYLocalPositionError);
145     fChain->SetBranchAddress("expectedZLocalPositionError", &expectedZLocalPositionError, &b_expectedZLocalPositionError);
146     fChain->SetBranchAddress("hitXGlobalPosition", &hitXGlobalPosition, &b_hitXGlobalPosition);
147     fChain->SetBranchAddress("hitYGlobalPosition", &hitYGlobalPosition, &b_hitYGlobalPosition);
148     fChain->SetBranchAddress("hitZGlobalPosition", &hitZGlobalPosition, &b_hitZGlobalPosition);
149     fChain->SetBranchAddress("hitXGlobalPositionError", &hitXGlobalPositionError, &b_hitXGlobalPositionError);
150     fChain->SetBranchAddress("hitYGlobalPositionError", &hitYGlobalPositionError, &b_hitYGlobalPositionError);
151     fChain->SetBranchAddress("hitZGlobalPositionError", &hitZGlobalPositionError, &b_hitZGlobalPositionError);
152     fChain->SetBranchAddress("expectedXGlobalPosition", &expectedXGlobalPosition, &b_expectedXGlobalPosition);
153     fChain->SetBranchAddress("expectedYGlobalPosition", &expectedYGlobalPosition, &b_expectedYGlobalPosition);
154     fChain->SetBranchAddress("expectedZGlobalPosition", &expectedZGlobalPosition, &b_expectedZGlobalPosition);
155     fChain->SetBranchAddress("expectedXGlobalPositionError", &expectedXGlobalPositionError, &b_expectedXGlobalPositionError);
156     fChain->SetBranchAddress("expectedYGlobalPositionError", &expectedYGlobalPositionError, &b_expectedYGlobalPositionError);
157     fChain->SetBranchAddress("expectedZGlobalPositionError", &expectedZGlobalPositionError, &b_expectedZGlobalPositionError);
158     fChain->SetBranchAddress("RunNumber", &RunNumber, &b_RunNumber);
159     fChain->SetBranchAddress("EventNumber", &EventNumber, &b_EventNumber);
160 econte 1.3 fChain->SetBranchAddress("vxtConverged", &vtxConverged, &b_vtxConverged);
161     fChain->SetBranchAddress("momConverged", &momConverged, &b_momConverged);
162     fChain->SetBranchAddress("fullConverged", &fullConverged, &b_fullConverged);
163 econte 1.1 Notify();
164     }
165    
166     Bool_t TreeProducer::Notify()
167     {
168     // The Notify() function is called when a new file is opened. This
169     // can be either for a new TTree in a TChain or when when a new TTree
170     // is started when using PROOF. It is normally not necessary to make changes
171     // to the generated code, but the routine can be extended by the
172     // user if needed. The return value is currently not used.
173    
174     return kTRUE;
175     }
176    
177     void TreeProducer::Show(Long64_t entry)
178     {
179     // Print contents of entry.
180     // If entry is not specified, print current entry
181     if (!fChain) return;
182     fChain->Show(entry);
183     }
184     Int_t TreeProducer::Cut(Long64_t entry)
185     {
186     // This function may be called from Loop.
187     // returns 1 if entry is accepted.
188     // returns -1 otherwise.
189     return 1;
190     }
191    
192    
193     void TreeProducer::Loop()
194     {
195     // In a ROOT session, you can do:
196     // Root > .L TreeProducer.C
197     // Root > TreeProducer t
198     // Root > t.GetEntry(12); // Fill t data members with entry number 12
199     // Root > t.Show(); // Show values of entry 12
200     // Root > t.Show(16); // Read and show values of entry 16
201     // Root > t.Loop(); // Loop on all entries
202     //
203    
204     // This is the loop skeleton where:
205     // jentry is the global entry number in the chain
206     // ientry is the entry number in the current Tree
207     // Note that the argument to GetEntry must be:
208     // jentry for TChain::GetEntry
209     // ientry for TTree::GetEntry and TBranch::GetEntry
210     //
211     // To read only selected branches, Insert statements like:
212     // METHOD1:
213     // fChain->SetBranchStatus("*",0); // disable all branches
214     // fChain->SetBranchStatus("branchname",1); // activate branchname
215     // METHOD2: replace line
216     // fChain->GetEntry(jentry); //read all branches
217     //by b_branchname->GetEntry(ientry); //read only this branch
218     if (fChain == 0) return;
219    
220     Long64_t nentries = fChain->GetEntriesFast();
221    
222     Long64_t nbytes = 0, nb = 0;
223     for (Long64_t jentry=0; jentry<nentries;jentry++) {
224     Long64_t ientry = LoadTree(jentry);
225     if (ientry < 0) break;
226     nb = fChain->GetEntry(jentry); nbytes += nb;
227     // if (Cut(ientry) < 0) continue;
228     }
229     }