source: trunk/pgs/ExRootAnalysis.cc@ 3

Last change on this file since 3 was 2, checked in by Pavel Demin, 16 years ago

first commit
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1#include <iostream>
2
3#include "TApplication.h"
4#include "TLorentzVector.h"
5
6#include "TFile.h"
7
8#include "ExRootAnalysis/ExRootClasses.h"
9#include "ExRootAnalysis/ExRootTreeBranch.h"
10#include "ExRootAnalysis/ExRootTreeWriter.h"
11
12using namespace std;
13
14// generated particle list
15
16const int nmxhep = 4000;
17
18typedef struct
19{
20 int nevhep; // event number
21 int nhep; // number of entries in record
22 int isthep[nmxhep]; // status code
23 int idhep[nmxhep]; // particle ID (PDG standard)
24 int jmohep[nmxhep][2]; // index to first and second particle mothers
25 int jdahep[nmxhep][2]; // index to first and last daughter particles
26 double phep[nmxhep][5]; // 4-vector and mass
27 double vhep[nmxhep][4]; // (x,y,z) of production, and production time (mm/c)
28} hepevtF77;
29
30extern hepevtF77 hepevt_;
31
32// PGS track list
33
34const int ntrkmx = 500;
35
36typedef struct
37{
38 int numtrk; // number of tracks
39 int dumtrk; // number of tracks
40 int indtrk[ntrkmx]; // index to HEPEVT particle
41 double ptrk[ntrkmx][3]; // track 3-vector
42 double qtrk[ntrkmx]; // track charge
43} pgstrkF77;
44
45extern pgstrkF77 pgstrk_;
46
47// PGS calorimeter tower arrays
48
49const int nphimax = 600;
50const int netamax = 600;
51
52typedef struct
53{
54 double ecal[nphimax][netamax]; // electromagnetic energy in each tower
55 double hcal[nphimax][netamax]; // hadronic energy in each tower
56 double met_cal; // calorimeter missing ET
57 double phi_met_cal; // calorimeter missing ET phi
58} pgscalF77;
59
60extern pgscalF77 pgscal_;
61
62
63// PGS calorimeter cluster list
64
65const int nclumx = 50;
66
67typedef struct
68{
69 int cclu[nphimax][netamax]; // map of cluster indices
70 int numclu; // number of clusters in list
71 int dumclu; // number of clusters in list
72 double pclu[nclumx][5]; // cluster 4 vector and mass
73 int etaclu[nclumx]; // cluster seed tower eta
74 int phiclu[nclumx]; // cluster seed tower phi
75 double emclu[nclumx]; // cluster electromagnetic energy
76 double ehclu[nclumx]; // cluster hadronic energy
77 double efclu[nclumx]; // cluster electromagnetic fraction
78 double widclu[nclumx]; // cluster width sqrt(deta**2+dphi**2)
79 int mulclu[nclumx]; // cluster tower multiplicity
80} pgscluF77;
81
82extern pgscluF77 pgsclu_;
83
84// PGS trigger object list
85
86const int ntrgmx = 500;
87
88typedef struct
89{
90 int numtrg; // number of trigger objects
91 int dumtrg; // number of trigger objects
92 int indtrg[ntrgmx]; // index to HEPEVT particle (where relevant)
93 int typtrg[ntrgmx]; // reconstructed type: 0=photon
94 // 1=electron
95 // 2=muon
96 // 3=tau (hadronic)
97 // 4=jet
98 // 5=detached vertex
99 // 6=MET
100 double vectrg[ntrgmx][10]; // trigger object vector: 1 = eta
101 // 2 = phi
102 // 3 = ET of cluster
103 // 4 = cluster #
104 // 5 = pt of track (if any)
105 // 6 = track #
106} pgstrgF77;
107
108extern pgstrgF77 pgstrg_;
109
110// PGS reconstructed object list
111
112const int nobjmx = 500;
113
114typedef struct
115{
116 int numobj; // number of reconstructed objects
117 int dumobj; // number of reconstructed objects
118 int indobj[nobjmx]; // index to HEPEVT particle (where relevant)
119 int typobj[nobjmx]; // reconstructed type: 0 = photon
120 // 1 = electron
121 // 2 = muon
122 // 3 = tau (hadronic)
123 // 4 = jet
124 // 5 = heavy charged
125 double pobj[nobjmx][4]; // four vector of reconstructed object
126 double qobj[nobjmx]; // charge of reconstructed object
127 double vecobj[nobjmx][10]; // interesting object quantities
128} pgsrecF77;
129
130extern pgsrecF77 pgsrec_;
131
132// --------------------------
133// table of vecobj quantities
134// --------------------------
135//
136// -------------------------------------------------------------------------------------
137// type 1 2 3 4 5 6 7
138// -------------------------------------------------------------------------------------
139// 0 photon EM energy HAD energy track E N(trk) width - -
140// 1 electron " " " " " " - - -
141// 2 muon " " " " " " trk iso E - -
142// 3 tau " " " " " " width mtau ptmax
143// 4 jet " " " " " " " flavor c,b tags ->
144// -------------------------------------------------------------------------------------
145//
146// b, c tagging: vecobj(7,iobj) non-zero if charm tag (jet prob. alg.)
147// vecobj(8,iobj) non-zero if b tag ( " " " )
148// vecobj(9,iobj) non-zero if b tag (impact method)
149//
150// --> all algorithms include rates for gluon, uds, c and b jets
151//
152
153static TFile *outputFile;
154static ExRootTreeWriter *treeWriter;
155
156static ExRootTreeBranch *branchGenParticle;
157static ExRootTreeBranch *branchTrack;
158static ExRootTreeBranch *branchCalTower;
159static ExRootTreeBranch *branchMissingET;
160static ExRootTreeBranch *branchCalCluster;
161static ExRootTreeBranch *branchPhoton;
162static ExRootTreeBranch *branchElectron;
163static ExRootTreeBranch *branchMuon;
164static ExRootTreeBranch *branchTau;
165static ExRootTreeBranch *branchJet;
166static ExRootTreeBranch *branchHeavy;
167
168static void analyse_particle(Int_t number, ExRootTreeBranch *branch);
169static void analyse_track(Int_t number, ExRootTreeBranch *branch);
170static void analyse_tower(Int_t eta, Int_t phi, ExRootTreeBranch *branch);
171static void analyse_met(ExRootTreeBranch *branch);
172static void analyse_cluster(Int_t number, ExRootTreeBranch *branch);
173static void analyse_photon(Int_t number, ExRootTreeBranch *branch);
174static void analyse_electron(Int_t number, ExRootTreeBranch *branch);
175static void analyse_muon(Int_t number, ExRootTreeBranch *branch);
176static void analyse_tau(Int_t number, ExRootTreeBranch *branch);
177static void analyse_jet(Int_t number, ExRootTreeBranch *branch);
178static void analyse_heavy(Int_t number, ExRootTreeBranch *branch);
179
180extern "C"
181{
182 void test_cpp__(int *int_var)
183 {
184 cout << "int_var = " << *int_var << endl;
185
186 cout << "nevhep = " << hepevt_.nevhep << endl;
187 cout << "jmohep(1,2) = " << hepevt_.jmohep[1][0] << endl;
188 cout << "phep(1,1) = " << hepevt_.phep[0][0] << endl;
189
190 cout << "numtrk = " << pgstrk_.numtrk << endl;
191 cout << "ptrk(2,1) = " << pgstrk_.ptrk[0][1] << endl;
192
193 cout << "hcal(2,1) = " << pgscal_.hcal[0][1] << endl;
194 cout << "met_cal = " << pgscal_.met_cal << endl;
195
196 cout << "pclu(2,1) = " << pgsclu_.pclu[0][1] << endl;
197 cout << "mulclu(2) = " << pgsclu_.mulclu[1] << endl;
198
199 cout << "vectrg(9,2) = " << pgstrg_.vectrg[1][8] << endl;
200 cout << "indtrg(2) = " << pgstrg_.indtrg[1] << endl;
201
202 cout << "vecobj(10,3) = " << pgsrec_.vecobj[2][9] << endl;
203 cout << "indobj(3) = " << pgsrec_.indobj[2] << endl;
204 }
205
206//------------------------------------------------------------------------------
207
208 void pgs2root_ini__()
209 {
210 int appargc = 2;
211 char *appargv[] = {"pgs2root", "-b"};
212 TApplication app("pgs2root", &appargc, appargv);
213
214 TString outputFileName("pgs.root");
215 TString treeName("PGS");
216
217 outputFile = TFile::Open(outputFileName, "RECREATE");
218 treeWriter = new ExRootTreeWriter(outputFile, treeName);
219
220 // generated particles from HEPEVT
221 branchGenParticle = treeWriter->NewBranch("GenParticle", TRootGenParticle::Class());
222 // reconstructed tracks
223 branchTrack = treeWriter->NewBranch("Track", TRootTrack::Class());
224 // reconstructed calorimeter towers
225 branchCalTower = treeWriter->NewBranch("CalTower", TRootCalTower::Class());
226 // missing transverse energy
227 branchMissingET = treeWriter->NewBranch("MissingET", TRootMissingET::Class());
228 // reconstructed calorimeter clusters for jets and tau leptons
229 branchCalCluster = treeWriter->NewBranch("CalCluster", TRootCalCluster::Class());
230 // reconstructed photons
231 branchPhoton = treeWriter->NewBranch("Photon", TRootPhoton::Class());
232 // reconstructed electrons
233 branchElectron = treeWriter->NewBranch("Electron", TRootElectron::Class());
234 // reconstructed muons
235 branchMuon = treeWriter->NewBranch("Muon", TRootMuon::Class());
236 // reconstructed tau leptons
237 branchTau = treeWriter->NewBranch("Tau", TRootTau::Class());
238 // reconstructed jets
239 branchJet = treeWriter->NewBranch("Jet", TRootJet::Class());
240 // reconstructed heavy particles
241 branchHeavy = treeWriter->NewBranch("Heavy", TRootHeavy::Class());
242 }
243
244//---------------------------------------------------------------------------
245
246 void pgs2root_evt__()
247 {
248 Int_t particle, track, eta, phi, cluster, object;
249
250 treeWriter->Clear();
251
252 for(particle = 0; particle < hepevt_.nhep; ++particle)
253 {
254 analyse_particle(particle, branchGenParticle);
255 }
256
257 for(track = 0; track < pgstrk_.numtrk; ++track)
258 {
259 analyse_track(track, branchTrack);
260 }
261
262 for(eta = 0; eta < netamax; ++eta)
263 {
264 for(phi = 0; phi < nphimax; ++phi)
265 {
266 if(pgscal_.ecal[phi][eta] == 0.0 &&
267 pgscal_.hcal[phi][eta] == 0.0) continue;
268
269 analyse_tower(eta, phi, branchCalTower);
270 }
271 }
272
273 analyse_met(branchMissingET);
274
275 for(cluster = 0; cluster < pgsclu_.numclu; ++ cluster)
276 {
277 analyse_cluster(cluster, branchCalCluster);
278 }
279
280 for(object = 0; object < pgsrec_.numobj; ++object)
281 {
282 switch(pgsrec_.typobj[object])
283 {
284 case 0: analyse_photon(object, branchPhoton); break;
285 case 1: analyse_electron(object, branchElectron); break;
286 case 2: analyse_muon(object, branchMuon); break;
287 case 3: analyse_tau(object, branchTau); break;
288 case 4: analyse_jet(object, branchJet); break;
289 case 5: analyse_heavy(object, branchHeavy); break;
290 }
291 }
292
293 treeWriter->Fill();
294 }
295
296//---------------------------------------------------------------------------
297
298 void pgs2root_end__()
299 {
300 treeWriter->Write();
301
302 delete treeWriter;
303 delete outputFile;
304 }
305
306} // extern "C"
307
308//---------------------------------------------------------------------------
309
310static void analyse_particle(Int_t number, ExRootTreeBranch *branch)
311{
312 TRootGenParticle *entry;
313
314 Double_t signEta;
315
316 entry = static_cast<TRootGenParticle*>(branch->NewEntry());
317
318 entry->PID = hepevt_.idhep[number];
319 entry->Status = hepevt_.isthep[number];
320 entry->M1 = hepevt_.jmohep[number][0] - 1;
321 entry->M2 = hepevt_.jmohep[number][1] - 1;
322 entry->D1 = hepevt_.jdahep[number][0] - 1;
323 entry->D2 = hepevt_.jdahep[number][1] - 1;
324
325 entry->E = hepevt_.phep[number][3];
326 entry->Px = hepevt_.phep[number][0];
327 entry->Py = hepevt_.phep[number][1];
328 entry->Pz = hepevt_.phep[number][2];
329
330 TVector3 vector(entry->Px, entry->Py, entry->Pz);
331
332 entry->PT = vector.Perp();
333 signEta = (entry->Pz >= 0.0) ? 1.0 : -1.0;
334 entry->Eta = vector.CosTheta()*vector.CosTheta() == 1.0 ? signEta*999.9 : vector.Eta();
335 entry->Phi = vector.Phi();
336
337 entry->T = hepevt_.vhep[number][3];
338 entry->X = hepevt_.vhep[number][0];
339 entry->Y = hepevt_.vhep[number][1];
340 entry->Z = hepevt_.vhep[number][2];
341}
342
343//---------------------------------------------------------------------------
344
345static void analyse_track(Int_t number, ExRootTreeBranch *branch)
346{
347 TRootTrack *entry;
348
349 Double_t signEta;
350
351 entry = static_cast<TRootTrack*>(branch->NewEntry());
352
353 entry->Px = pgstrk_.ptrk[number][0];
354 entry->Py = pgstrk_.ptrk[number][1];
355 entry->Pz = pgstrk_.ptrk[number][2];
356
357 TVector3 vector(entry->Px, entry->Py, entry->Pz);
358
359 entry->PT = vector.Perp();
360 signEta = (entry->Pz >= 0.0) ? 1.0 : -1.0;
361 entry->Eta = vector.CosTheta()*vector.CosTheta() == 1.0 ? signEta*999.9 : vector.Eta();
362 entry->Phi = vector.Phi();
363
364 entry->Charge = pgstrk_.qtrk[number];
365
366 entry->ParticleIndex = pgstrk_.indtrk[number] - 1;
367}
368
369//---------------------------------------------------------------------------
370
371static void analyse_tower(Int_t eta, Int_t phi, ExRootTreeBranch *branch)
372{
373 TRootCalTower *entry;
374
375 entry = static_cast<TRootCalTower*>(branch->NewEntry());
376
377 entry->Eem = pgscal_.ecal[phi][eta];
378 entry->Ehad = pgscal_.hcal[phi][eta];
379 entry->E = entry->Eem + entry->Ehad;
380}
381
382//---------------------------------------------------------------------------
383
384static void analyse_met(ExRootTreeBranch *branch)
385{
386 TRootMissingET *entry;
387
388 entry = static_cast<TRootMissingET*>(branch->NewEntry());
389
390 entry->MET = pgscal_.met_cal;
391 entry->Phi = pgscal_.phi_met_cal;
392}
393
394//---------------------------------------------------------------------------
395
396static void analyse_cluster(Int_t number, ExRootTreeBranch *branch)
397{
398 TRootCalCluster *entry;
399
400 entry = static_cast<TRootCalCluster*>(branch->NewEntry());
401
402 entry->E = pgsclu_.pclu[number][3];
403 entry->Px = pgsclu_.pclu[number][0];
404 entry->Py = pgsclu_.pclu[number][1];
405 entry->Pz = pgsclu_.pclu[number][2];
406
407 entry->Eta = pgsclu_.etaclu[number];
408 entry->Phi = pgsclu_.phiclu[number];
409
410 entry->Eem = pgsclu_.emclu[number];
411 entry->Ehad = pgsclu_.ehclu[number];
412 entry->EemOverEtot = pgsclu_.efclu[number];
413
414 entry->Ntwr = pgsclu_.mulclu[number];
415}
416
417//---------------------------------------------------------------------------
418
419static void analyse_photon(Int_t number, ExRootTreeBranch *branch)
420{
421 TRootPhoton *entry;
422
423 Double_t signEta;
424
425 entry = static_cast<TRootPhoton*>(branch->NewEntry());
426
427 entry->E = pgsrec_.pobj[number][3];
428 entry->Px = pgsrec_.pobj[number][0];
429 entry->Py = pgsrec_.pobj[number][1];
430 entry->Pz = pgsrec_.pobj[number][2];
431
432 TVector3 vector(entry->Px, entry->Py, entry->Pz);
433
434 entry->PT = vector.Perp();
435 signEta = (entry->Pz >= 0.0) ? 1.0 : -1.0;
436 entry->Eta = vector.CosTheta()*vector.CosTheta() == 1.0 ? signEta*999.9 : vector.Eta();
437 entry->Phi = vector.Phi();
438
439 entry->Eem = pgsrec_.vecobj[number][0];
440 entry->Ehad = pgsrec_.vecobj[number][1];
441 entry->PTtrk = pgsrec_.vecobj[number][2];
442
443 entry->Niso = pgsrec_.vecobj[number][3];
444
445 entry->ET = pgsrec_.vecobj[number][5];
446 entry->ETiso = pgsrec_.vecobj[number][6];
447 entry->PTiso = pgsrec_.vecobj[number][7];
448
449 entry->EhadOverEem = pgsrec_.vecobj[number][8];
450 entry->EemOverPtrk = pgsrec_.vecobj[number][9];
451
452 entry->ParticleIndex = pgsrec_.indobj[number] - 1;
453}
454
455//---------------------------------------------------------------------------
456
457static void analyse_electron(Int_t number, ExRootTreeBranch *branch)
458{
459 TRootElectron *entry;
460
461 Double_t signEta;
462
463 entry = static_cast<TRootElectron*>(branch->NewEntry());
464
465 entry->E = pgsrec_.pobj[number][3];
466 entry->Px = pgsrec_.pobj[number][0];
467 entry->Py = pgsrec_.pobj[number][1];
468 entry->Pz = pgsrec_.pobj[number][2];
469
470 TVector3 vector(entry->Px, entry->Py, entry->Pz);
471
472 entry->PT = vector.Perp();
473 signEta = (entry->Pz >= 0.0) ? 1.0 : -1.0;
474 entry->Eta = vector.CosTheta()*vector.CosTheta() == 1.0 ? signEta*999.9 : vector.Eta();
475 entry->Phi = vector.Phi();
476
477 entry->Charge = pgsrec_.qobj[number];
478
479 entry->Eem = pgsrec_.vecobj[number][0];
480 entry->Ehad = pgsrec_.vecobj[number][1];
481 entry->PTtrk = pgsrec_.vecobj[number][2];
482
483 entry->Niso = pgsrec_.vecobj[number][3];
484
485 entry->ET = pgsrec_.vecobj[number][5];
486 entry->ETiso = pgsrec_.vecobj[number][6];
487 entry->PTisoMinusPTtrk = pgsrec_.vecobj[number][7];
488
489 entry->EhadOverEem = pgsrec_.vecobj[number][8];
490 entry->EemOverPtrk = pgsrec_.vecobj[number][9];
491
492 entry->ParticleIndex = pgsrec_.indobj[number] - 1;
493}
494
495//---------------------------------------------------------------------------
496
497static void analyse_muon(Int_t number, ExRootTreeBranch *branch)
498{
499 TRootMuon *entry;
500
501 Double_t signEta;
502
503 entry = static_cast<TRootMuon*>(branch->NewEntry());
504
505 entry->E = pgsrec_.pobj[number][3];
506 entry->Px = pgsrec_.pobj[number][0];
507 entry->Py = pgsrec_.pobj[number][1];
508 entry->Pz = pgsrec_.pobj[number][2];
509
510 TVector3 vector(entry->Px, entry->Py, entry->Pz);
511
512 entry->PT = vector.Perp();
513 signEta = (entry->Pz >= 0.0) ? 1.0 : -1.0;
514 entry->Eta = vector.CosTheta()*vector.CosTheta() == 1.0 ? signEta*999.9 : vector.Eta();
515 entry->Phi = vector.Phi();
516
517 entry->Charge = pgsrec_.qobj[number];
518
519 entry->Eem = pgsrec_.vecobj[number][0];
520 entry->Ehad = pgsrec_.vecobj[number][1];
521 entry->Ptrk = pgsrec_.vecobj[number][2];
522
523 entry->Niso = pgsrec_.vecobj[number][3];
524
525 entry->Etrk = pgsrec_.vecobj[number][4];
526 entry->ETiso = pgsrec_.vecobj[number][5];
527 entry->PTiso = pgsrec_.vecobj[number][6];
528
529 entry->ParticleIndex = pgsrec_.indobj[number] - 1;
530}
531
532//---------------------------------------------------------------------------
533
534static void analyse_tau(Int_t number, ExRootTreeBranch *branch)
535{
536 TRootTau *entry;
537
538 Double_t signEta;
539
540 entry = static_cast<TRootTau*>(branch->NewEntry());
541
542 entry->E = pgsrec_.pobj[number][3];
543 entry->Px = pgsrec_.pobj[number][0];
544 entry->Py = pgsrec_.pobj[number][1];
545 entry->Pz = pgsrec_.pobj[number][2];
546
547 TVector3 vector(entry->Px, entry->Py, entry->Pz);
548
549 entry->PT = vector.Perp();
550 signEta = (entry->Pz >= 0.0) ? 1.0 : -1.0;
551 entry->Eta = vector.CosTheta()*vector.CosTheta() == 1.0 ? signEta*999.9 : vector.Eta();
552 entry->Phi = vector.Phi();
553
554 entry->Charge = pgsrec_.qobj[number];
555
556 entry->Eem = pgsrec_.vecobj[number][0];
557 entry->Ehad = pgsrec_.vecobj[number][1];
558 entry->Etrk = pgsrec_.vecobj[number][2];
559
560 entry->Ntrk = pgsrec_.vecobj[number][3];
561
562 entry->Width = pgsrec_.vecobj[number][4];
563 entry->Ecut = pgsrec_.vecobj[number][5];
564 entry->PTmax = pgsrec_.vecobj[number][6];
565
566 entry->SeedTrackIndex = pgsrec_.vecobj[number][7] - 1;
567 entry->ClusterIndex = pgsrec_.indobj[number] - 1;
568}
569
570//---------------------------------------------------------------------------
571
572static void analyse_jet(Int_t number, ExRootTreeBranch *branch)
573{
574 TRootJet *entry;
575
576 Double_t signEta;
577
578 entry = static_cast<TRootJet*>(branch->NewEntry());
579
580 entry->E = pgsrec_.pobj[number][3];
581 entry->Px = pgsrec_.pobj[number][0];
582 entry->Py = pgsrec_.pobj[number][1];
583 entry->Pz = pgsrec_.pobj[number][2];
584
585 TVector3 vector(entry->Px, entry->Py, entry->Pz);
586
587 entry->PT = vector.Perp();
588 signEta = (entry->Pz >= 0.0) ? 1.0 : -1.0;
589 entry->Eta = vector.CosTheta()*vector.CosTheta() == 1.0 ? signEta*999.9 : vector.Eta();
590 entry->Phi = vector.Phi();
591
592 entry->Charge = pgsrec_.qobj[number];
593
594 entry->Eem = pgsrec_.vecobj[number][0];
595 entry->Ehad = pgsrec_.vecobj[number][1];
596 entry->Etrk = pgsrec_.vecobj[number][2];
597
598 entry->Ntrk = pgsrec_.vecobj[number][3];
599
600 entry->Width = pgsrec_.vecobj[number][4];
601
602 entry->Type = pgsrec_.vecobj[number][5]; // type: 21=g, 1=d, 2=u, 3=s, 4=c, 5=b
603
604 entry->CTag = pgsrec_.vecobj[number][6];
605 entry->BTagVtx = pgsrec_.vecobj[number][7];
606 entry->BTagImp = pgsrec_.vecobj[number][8];
607
608 entry->ClusterIndex = pgsrec_.indobj[number] - 1;
609}
610
611//---------------------------------------------------------------------------
612
613static void analyse_heavy(Int_t number, ExRootTreeBranch *branch)
614{
615 TRootHeavy *entry;
616
617 Double_t signEta;
618
619 entry = static_cast<TRootHeavy*>(branch->NewEntry());
620
621 entry->E = pgsrec_.pobj[number][3];
622 entry->Px = pgsrec_.pobj[number][0];
623 entry->Py = pgsrec_.pobj[number][1];
624 entry->Pz = pgsrec_.pobj[number][2];
625
626 TVector3 vector(entry->Px, entry->Py, entry->Pz);
627
628 entry->PT = vector.Perp();
629 signEta = (entry->Pz >= 0.0) ? 1.0 : -1.0;
630 entry->Eta = vector.CosTheta()*vector.CosTheta() == 1.0 ? signEta*999.9 : vector.Eta();
631 entry->Phi = vector.Phi();
632
633 entry->ParticleIndex = pgsrec_.indobj[number] - 1;
634}
635
636//---------------------------------------------------------------------------
637
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