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CbmRichUrqmdTest.cxx
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1 
8 #include "CbmRichUrqmdTest.h"
9 
10 #include "TH1D.h"
11 #include "TH1.h"
12 #include "TCanvas.h"
13 #include "TClonesArray.h"
14 
15 #include "CbmMCTrack.h"
16 #include "FairTrackParam.h"
17 #include "CbmRichHit.h"
18 #include "FairMCPoint.h"
19 #include "CbmDrawHist.h"
20 #include "CbmTrackMatch.h"
21 #include "CbmRichRing.h"
22 #include "CbmRichHit.h"
23 
24 #include "std/utils/CbmLitUtils.h"
25 
26 #include <iostream>
27 #include <string>
28 #include <boost/assign/list_of.hpp>
29 
30 using namespace std;
31 using boost::assign::list_of;
32 
33 CbmRichUrqmdTest::CbmRichUrqmdTest()
34  : FairTask("CbmRichUrqmdTest"),
35  fOutputDir(""),
36  fRichHits(NULL),
37  fRichRings(NULL),
38  fRichPoints(NULL),
39  fMcTracks(NULL),
40  fRichRingMatches(NULL),
41  fRichProjections(NULL),
42  fCanvas(),
43  fEventNum(0),
44  fMinNofHits(7),
45  fNofHitsInRingMap(),
46  fh_vertex_z(NULL),
47  fh_nof_rings_1hit(NULL),
48  fh_nof_rings_7hits(NULL),
49  fh_nof_rings_prim_1hit(NULL),
50  fh_nof_rings_prim_7hits(NULL),
51  fh_nof_rings_target_1hit(NULL),
52  fh_nof_rings_target_7hits(NULL),
53  fh_secel_mom(NULL),
54  fh_gamma_target_mom(NULL),
55  fh_gamma_nontarget_mom(NULL),
56  fh_pi_mom(NULL),
57  fh_kaon_mom(NULL),
58  fh_mu_mom(NULL),
59  fh_nof_hits_per_event(NULL),
60  fh_hits_xy_u(NULL),
61  fh_hits_xy_d(NULL),
62  fh_hitrate_xy_u(NULL),
63  fh_hitrate_xy_d(NULL),
64  fh_nof_proj_per_event(NULL),
65  fh_proj_xy_u(NULL),
66  fh_proj_xy_d(NULL),
67  fHists()
68 {
69 }
70 
71 CbmRichUrqmdTest::~CbmRichUrqmdTest()
72 {
73 
74 }
75 
76 InitStatus CbmRichUrqmdTest::Init()
77 {
78  cout << "CbmRichUrqmdTest::Init"<<endl;
79  FairRootManager* ioman = FairRootManager::Instance();
80  if (NULL == ioman) { Fatal("CbmRichUrqmdTest::Init","RootManager not instantised!"); }
81 
82  fRichHits = (TClonesArray*) ioman->GetObject("RichHit");
83  if ( NULL == fRichHits) { Fatal("CbmRichUrqmdTest::Init","No RichHit array!"); }
84 
85  fRichRings = (TClonesArray*) ioman->GetObject("RichRing");
86  if ( NULL == fRichRings) { Fatal("CbmRichUrqmdTest::Init","No RichRing array!"); }
87 
88  fRichPoints = (TClonesArray*) ioman->GetObject("RichPoint");
89  if ( NULL == fRichPoints) { Fatal("CbmRichUrqmdTest::Init","No RichPoint array!"); }
90 
91  fMcTracks = (TClonesArray*) ioman->GetObject("MCTrack");
92  if ( NULL == fMcTracks) { Fatal("CbmRichUrqmdTest::Init","No MCTrack array!"); }
93 
94  fRichRingMatches = (TClonesArray*) ioman->GetObject("RichRingMatch");
95  if ( NULL == fRichRingMatches) { Fatal("CbmRichUrqmdTest::Init","No RichRingMatch array!"); }
96 
97  fRichProjections = (TClonesArray*) ioman->GetObject("RichProjection");
98  if ( NULL == fRichProjections) { Fatal("CbmRichUrqmdTest::Init","No fRichProjections array!"); }
99 
100  InitHistograms();
101 
102  return kSUCCESS;
103 }
104 
105 void CbmRichUrqmdTest::Exec(
106  Option_t* option)
107 {
108  fEventNum++;
109 
110  cout << "CbmRichUrqmdTest, event No. " << fEventNum << endl;
111 
112  FillRichRingNofHits();
113  NofRings();
114  NofHits();
115  NofProjections();
116  Vertex();
117 
118 
119 }
120 
121 void CbmRichUrqmdTest::InitHistograms()
122 {
123  fh_vertex_z = new TH1D("fh_vertex_z", "fh_vertex_z;z [cm];Number of vertices per event", 200, -1., 200);
124  fh_nof_rings_1hit = new TH1D("fh_nof_rings_1hit", "fh_nof_rings_1hit;Number of detected particles/event;Yield", 100, -.5, 99.5);
125  fh_nof_rings_7hits = new TH1D("fh_nof_rings_7hits", "fh_nof_rings_7hits;Number of detected particles/event;Yield", 100, -.5, 99.5 );
126  fh_nof_rings_prim_1hit = new TH1D("fh_nof_rings_prim_1hit", "fh_nof_rings_prim_1hit;Number of detected particles/event;Yield", 50, -.5, 49.5);
127  fh_nof_rings_prim_7hits = new TH1D("fh_nof_rings_prim_7hits", "fh_nof_rings_prim_7hits;Number of detected particles/event;Yield", 50, -.5, 49.5 );
128  fh_nof_rings_target_1hit = new TH1D("fh_nof_rings_target_1hit", "fh_nof_rings_target_1hit;Number of detected particles/event;Yield", 60, -.5, 59.5);
129  fh_nof_rings_target_7hits = new TH1D("fh_nof_rings_target_7hits", "fh_nof_rings_target_7hits;Number of detected particles/event;Yield", 60, -.5, 59.5 );
130 
131  fh_secel_mom = new TH1D("fh_secel_mom", "fh_secel_mom;p [GeV/c];Number per event", 100, 0., 20);
132  fh_gamma_target_mom = new TH1D("fh_gamma_target_mom", "fh_gamma_target_mom;p [GeV/c];Number per event", 100, 0., 20);
133  fh_gamma_nontarget_mom = new TH1D("fh_gamma_nontarget_mom", "fh_gamma_nontarget_mom;p [GeV/c];Number per event", 100, 0., 20);
134  fh_pi_mom = new TH1D("fh_pi_mom", "fh_pi_mom;p [GeV/c];Number per event", 100, 0., 20);
135  fh_kaon_mom = new TH1D("fh_pi_mom", "fh_pi_mom;p [GeV/c];Number per event", 100, 0., 20);
136  fh_mu_mom = new TH1D("fh_mu_mom", "fh_mu_mom;p [GeV/c];Number per event", 100, 0., 20);
137 
138  fh_nof_hits_per_event = new TH1D("fh_nof_hits_per_event", "fh_nof_hits_per_event;Number of hits per event;Yield", 50, 0, 1500);
139  fh_hits_xy_u = new TH2D("fh_hits_xy_u", "fh_hits_xy_u;x [cm];y [cm];Number of hits/cm^{2}/event", 110, -110, 110, 45, 90, 180);
140  fh_hits_xy_d = new TH2D("fh_hits_xy_d", "fh_hits_xy_d;x [cm];y [cm];Number of hits/cm^{2}/event", 110, -110, 110, 45, -180, -90);
141 
142  // bin size is set to 1.2 cm in order to cover 4 pixels, before drawing must be normalized by 1/4
143  fh_hitrate_xy_u = new TH2D("fh_hitrate_xy_u", "fh_hitrate_xy_u;x [cm];y [cm];Number of hits/pixel/s", 184, -110, 110, 75, 90, 180);
144  fh_hitrate_xy_d = new TH2D("fh_hitrate_xy_d", "fh_hitrate_xy_d;x [cm];y [cm];Number of hits/pixel/s", 184, -110, 110, 75, -180, -90);
145 
146  fh_nof_proj_per_event = new TH1D("fh_nof_proj_per_event", "fh_nof_proj_per_event;Number of tracks per event;Yield", 50, 200, 600);
147  fh_proj_xy_u = new TH2D("fh_proj_xy_u", "fh_proj_xy_u;x [cm];y [cm];Number of tracks/cm^{2}/event", 220, -110, 110, 90, 90, 180);
148  fh_proj_xy_d = new TH2D("fh_proj_xy_d", "fh_proj_xy_d;x [cm];y [cm];Number of tracks/cm^{2}/event", 220, -110, 110, 90, -180, -90);
149 }
150 
151 void CbmRichUrqmdTest::FillRichRingNofHits()
152 {
153  fNofHitsInRingMap.clear();
154  Int_t nofRichHits = fRichHits->GetEntriesFast();
155  for (Int_t iHit=0; iHit < nofRichHits; iHit++) {
156  CbmRichHit* hit = static_cast<CbmRichHit*>(fRichHits->At(iHit));
157  if (NULL == hit) continue;
158 
159  Int_t iPoint = hit->GetRefId();
160  if (iPoint < 0) continue;
161 
162  FairMCPoint* point = static_cast<FairMCPoint*>(fRichPoints->At(iPoint));
163  if (NULL == point) continue;
164 
165  Int_t iMCTrack = point->GetTrackID();
166  CbmMCTrack* track = static_cast<CbmMCTrack*>(fMcTracks->At(iMCTrack));
167  if (NULL == track) continue;
168 
169  Int_t iMother = track->GetMotherId();
170  if (iMother == -1) continue;
171 
172  fNofHitsInRingMap[iMother]++;
173  }
174 }
175 
176 void CbmRichUrqmdTest::NofRings()
177 {
178  Int_t nofRings = fRichRings->GetEntriesFast();
179  int nRings1hit = 0, nRings7hits = 0;
180  int nRingsPrim1hit = 0, nRingsPrim7hits = 0;
181  int nRingsTarget1hit = 0, nRingsTarget7hits = 0;
182  for (Int_t iR = 0; iR < nofRings; iR++){
183  CbmRichRing *ring = (CbmRichRing*) fRichRings->At(iR);
184  if (NULL == ring) continue;
185  CbmTrackMatch* ringMatch = (CbmTrackMatch*) fRichRingMatches->At(iR);
186  if (NULL == ringMatch) continue;
187  Int_t mcTrackId = ringMatch->GetMCTrackId();
188  if (mcTrackId < 0) continue;
189  CbmMCTrack* mcTrack = (CbmMCTrack*)fMcTracks->At(mcTrackId);
190  if (NULL == mcTrack) continue;
191  Int_t motherId = mcTrack->GetMotherId();
192  Int_t pdg = TMath::Abs(mcTrack->GetPdgCode());
193  double mom = mcTrack->GetP();
194  TVector3 vert;
195  mcTrack->GetStartVertex(vert);
196  double dZ = vert.Z();
197 
198  if (motherId == -1 && pdg == 11) continue; // do not calculate embedded electrons
199 
200  int nofHits = ring->GetNofHits();
201  if (nofHits >= 1) nRings1hit++;
202  if (nofHits >= fMinNofHits) nRings7hits++;
203 
204  if (motherId == -1 && nofHits >= 1) nRingsPrim1hit++;
205  if (motherId == -1 && nofHits >= fMinNofHits) nRingsPrim7hits++;
206 
207  if (dZ < 0.1 && nofHits >= 1) nRingsTarget1hit++;
208  if (dZ < 0.1 && nofHits >= fMinNofHits) nRingsTarget7hits++;
209 
210  if (nofHits >= 1) {
211  if (motherId != -1) {
212  int motherPdg;
213  CbmMCTrack* mother = (CbmMCTrack*) fMcTracks->At(motherId);
214  if (NULL != mother) motherPdg = mother->GetPdgCode();
215  if (motherId != -1 && pdg == 11 && motherPdg != 22) fh_secel_mom->Fill(mom);
216 
217  if (motherId != -1 && pdg == 11 && motherPdg == 22){
218  if (dZ < 0.1){
219  fh_gamma_target_mom->Fill(mom);
220  } else {
221  fh_gamma_nontarget_mom->Fill(mom);
222  }
223  }
224 
225  }
226  if (pdg == 211) fh_pi_mom->Fill(mom);
227  if (pdg == 321) fh_kaon_mom->Fill(mom);
228  if (pdg == 13) fh_mu_mom->Fill(mom);
229  }
230  }
231  fh_nof_rings_1hit->Fill(nRings1hit);
232  fh_nof_rings_7hits->Fill(nRings7hits);
233 
234  fh_nof_rings_prim_1hit->Fill(nRingsPrim1hit);
235  fh_nof_rings_prim_7hits->Fill(nRingsPrim7hits);
236 
237  fh_nof_rings_target_1hit->Fill(nRingsTarget1hit);
238  fh_nof_rings_target_7hits->Fill(nRingsTarget7hits);
239 }
240 
241 void CbmRichUrqmdTest::NofHits()
242 {
243  int nofHits = fRichHits->GetEntriesFast();
244  int nofNoiseHits = 0;
245  int nofHitsUrqmd = 0;
246  int nofHitsEl = 0;
247  for (int i = 0; i < nofHits; i++) {
248  CbmRichHit* hit = (CbmRichHit*) fRichHits->At(i);
249  if (NULL == hit) continue;
250 
251  Int_t iPoint = hit->GetRefId();
252  if (iPoint < 0){
253  nofNoiseHits++;
254  continue;
255  }
256 
257  FairMCPoint* point = static_cast<FairMCPoint*>(fRichPoints->At(iPoint));
258  if (NULL == point) continue;
259 
260  Int_t iMCTrack = point->GetTrackID();
261  CbmMCTrack* track = static_cast<CbmMCTrack*>(fMcTracks->At(iMCTrack));
262  if (NULL == track) continue;
263 
264  Int_t iMother = track->GetMotherId();
265  if (iMother == -1) continue;
266 
267  CbmMCTrack* track2 = static_cast<CbmMCTrack*>(fMcTracks->At(iMother));
268  if (NULL == track2) continue;
269  int pdg = TMath::Abs(track2->GetPdgCode());
270  int motherId = track2->GetMotherId();
271  if (motherId == -1 && pdg == 11){
272  nofHitsEl++;
273  continue;
274  }
275  nofHitsUrqmd++;
276  double x = hit->GetX();
277  double y = hit->GetY();
278  if (y > 0) {
279  // cout << x << " " << y << endl;
280  fh_hits_xy_u->Fill(x, y);
281  fh_hitrate_xy_u->Fill(x, y);
282  } else {
283  fh_hits_xy_d->Fill(x, y);
284  fh_hitrate_xy_d->Fill(x, y);
285  }
286  }
287 
288  fh_nof_hits_per_event->Fill(nofHitsUrqmd);
289 
290  cout << "nofHits = " << nofHits << endl;
291  cout << "nofNoiseHits = " << nofNoiseHits << endl;
292  cout << "nofHitsUrqmd = " << nofHitsUrqmd << endl;
293  cout << "nofHitsEl = " << nofHitsEl << endl;
294 }
295 
296 void CbmRichUrqmdTest::NofProjections()
297 {
298  int nofProj = fRichProjections->GetEntriesFast();
299  int nofGoodProj = 0;
300  for (int i = 0; i < nofProj; i++){
301  FairTrackParam* proj = (FairTrackParam*) fRichProjections->At(i);
302  if (NULL == proj) continue;
303  double x = proj->GetX();
304  double y = proj->GetY();
305  if (y > 0) {
306  fh_proj_xy_u->Fill(x, y);
307  } else {
308  fh_proj_xy_d->Fill(x, y);
309  }
310  if (proj->GetX() != 0 && proj->GetY() != 0) nofGoodProj++;
311  }
312 
313  fh_nof_proj_per_event->Fill(nofGoodProj);
314 
315 }
316 
317 void CbmRichUrqmdTest::Vertex()
318 {
319  int nMcTracks = fMcTracks->GetEntries();
320  for (int i = 0; i < nMcTracks; i++){
321  //At least one hit in RICH
322  if (fNofHitsInRingMap[i] < 1) continue;
323  CbmMCTrack* mctrack = (CbmMCTrack*) fMcTracks->At(i);
324  TVector3 v;
325  mctrack->GetStartVertex(v);
326  fh_vertex_z->Fill(v.Z());
327  } // nMcTracks
328 }
329 
330 void CbmRichUrqmdTest::DrawHist()
331 {
332  cout.precision(4);
333 
334  SetDefaultDrawStyle();
335  fh_vertex_z->Scale(1./fEventNum);
336  TCanvas* cVertex = CreateCanvas("rich_urqmd_vertex_z", "rich_urqmd_vertex_z", 800, 800);
337  DrawH1(fh_vertex_z);
338  gPad->SetLogy(true);
339 
340  TCanvas* c2 = CreateCanvas("rich_urqmd_nof_rings", "rich_urqmd_nof_rings", 800, 800);
341  fh_nof_rings_1hit->Scale(1./fh_nof_rings_1hit->Integral());
342  fh_nof_rings_7hits->Scale(1./fh_nof_rings_7hits->Integral());
343  DrawH1(list_of(fh_nof_rings_1hit)(fh_nof_rings_7hits), list_of(string("At least 1 hit detected"))(string("At least 7 hits detected")),
344  kLinear, kLinear, true, 0.4, 0.78, 0.99, 0.99);
345  cout << "Mean nof rings per event (1 hit) = " << fh_nof_rings_1hit->GetMean() << endl;
346  cout << "Mean nof rings per event (7 hits) = " << fh_nof_rings_7hits->GetMean() << endl;
347 
348  TCanvas* c3 = CreateCanvas("rich_urqmd_nof_rings_prim", "rich_urqmd_nof_rings_prim", 800, 800);
349  fh_nof_rings_prim_1hit->Scale(1./fh_nof_rings_prim_1hit->Integral());
350  fh_nof_rings_prim_7hits->Scale(1./fh_nof_rings_prim_7hits->Integral());
351  DrawH1(list_of(fh_nof_rings_prim_1hit)(fh_nof_rings_prim_7hits), list_of("At least 1 hit detected")("At least 7 hits detected"),
352  kLinear, kLinear, true, 0.4, 0.78, 0.99, 0.99);
353  cout << "Mean nof primary rings per event (1 hit) = " << fh_nof_rings_prim_1hit->GetMean() << endl;
354  cout << "Mean nof primary rings per event (7 hits) = " << fh_nof_rings_prim_7hits->GetMean() << endl;
355 
356  TCanvas* cTarget = CreateCanvas("rich_urqmd_nof_rings_target", "rich_urqmd_nof_rings_target", 800, 800);
357  fh_nof_rings_target_1hit->Scale(1./fh_nof_rings_target_1hit->Integral());
358  fh_nof_rings_target_7hits->Scale(1./fh_nof_rings_target_7hits->Integral());
359  DrawH1(list_of(fh_nof_rings_target_1hit)(fh_nof_rings_target_7hits), list_of("At least 1 hit detected")("At least 7 hits detected"),
360  kLinear, kLinear, true, 0.4, 0.78, 0.99, 0.99);
361  cout << "Mean nof target rings per event (1 hit) = " << fh_nof_rings_target_1hit->GetMean() << endl;
362  cout << "Mean nof target rings per event (7 hits) = " << fh_nof_rings_target_7hits->GetMean() << endl;
363 
364 
365  TCanvas* c4 = CreateCanvas("rich_urqmd_sources_mom", "rich_urqmd_sources_mom", 800, 800);
366  fh_gamma_target_mom->Scale(1./fEventNum);
367  fh_gamma_nontarget_mom->Scale(1./fEventNum);
368  fh_secel_mom->Scale(1./fEventNum);
369  fh_pi_mom->Scale(1./fEventNum);
370  fh_kaon_mom->Scale(1./fEventNum);
371  fh_mu_mom->Scale(1./fEventNum);
372  DrawH1(list_of(fh_gamma_target_mom)(fh_gamma_nontarget_mom)(fh_secel_mom)(fh_pi_mom)(fh_kaon_mom)(fh_mu_mom),
373  list_of("e^{#pm}_{target} from #gamma")("e^{#pm}_{not target} from #gamma")("e^{#pm}_{sec} other")("#pi^{#pm}")("K^{#pm}")("#mu^{#pm}"),
374  kLinear, kLog, true, 0.6, 0.7, 0.99, 0.99);
375 
376  cout << "Nof sec electrons from gamma target per event = " << fh_gamma_target_mom->GetEntries() / fEventNum << endl;
377  cout << "Nof sec electrons from gamma NOT target per event = " << fh_gamma_nontarget_mom->GetEntries() / fEventNum << endl;
378  cout << "Nof sec electrons other per event = " << fh_secel_mom->GetEntries() / fEventNum << endl;
379  cout << "Nof pions per event = " << fh_pi_mom->GetEntries() / fEventNum << endl;
380  cout << "Nof kaons per event = " << fh_kaon_mom->GetEntries() / fEventNum << endl;
381  cout << "Nof muons per event = " << fh_mu_mom->GetEntries() / fEventNum << endl;
382 
383 
384  TCanvas *c5 = CreateCanvas("rich_urqmd_hits_xy", "rich_urqmd_hits_xy", 800, 800);
385  double binArea = fh_hits_xy_u->GetXaxis()->GetBinWidth(1) * fh_hits_xy_u->GetYaxis()->GetBinWidth(1);
386  cout << "binArea = " << binArea << endl;
387  fh_hits_xy_u->Scale(1./(fEventNum * binArea));
388  fh_hits_xy_d->Scale(1./(fEventNum * binArea));
389 
390  c5->Divide(1, 2);
391  c5->cd(1);
392  DrawH2(fh_hits_xy_u);
393  fh_hits_xy_u->GetYaxis()->SetTitleOffset(0.75);
394  fh_hits_xy_u->GetZaxis()->SetTitleOffset(0.75);
395  gPad->SetLeftMargin(0.1);
396  gPad->SetRightMargin(0.15);
397  c5->cd(2);
398  DrawH2(fh_hits_xy_d);
399  fh_hits_xy_d->GetYaxis()->SetTitleOffset(0.75);
400  fh_hits_xy_d->GetZaxis()->SetTitleOffset(0.75);
401  gPad->SetLeftMargin(0.1);
402  gPad->SetRightMargin(0.15);
403 
404  TCanvas* c6 = CreateCanvas("rich_urqmd_nof_hits_per_event", "rich_urqmd_nof_hits_per_event", 800, 800);
405  fh_nof_hits_per_event->Scale(1./fh_nof_hits_per_event->Integral());
406  DrawH1(fh_nof_hits_per_event);
407  cout << "Mean number of hits per event = " << fh_nof_hits_per_event->GetMean() << endl;
408 
409  TCanvas *cHitRate = CreateCanvas("rich_urqmd_hitrate_xy", "rich_urqmd_hitrate_xy", 800, 800);
410  fh_hitrate_xy_u->Scale(1e7/(fEventNum * 4.));
411  fh_hitrate_xy_d->Scale(1e7/(fEventNum * 4.));
412  cHitRate->Divide(1, 2);
413  cHitRate->cd(1);
414  DrawH2(fh_hitrate_xy_u);
415  fh_hitrate_xy_u->GetYaxis()->SetTitleOffset(0.75);
416  fh_hitrate_xy_u->GetZaxis()->SetTitleOffset(0.87);
417  gPad->SetLeftMargin(0.1);
418  gPad->SetRightMargin(0.15);
419  cHitRate->cd(2);
420  DrawH2(fh_hitrate_xy_d);
421  fh_hitrate_xy_d->GetYaxis()->SetTitleOffset(0.75);
422  fh_hitrate_xy_d->GetZaxis()->SetTitleOffset(0.87);
423  gPad->SetLeftMargin(0.1);
424  gPad->SetRightMargin(0.15);
425 
426  TCanvas *c7 = CreateCanvas("rich_urqmd_proj_xy", "rich_urqmd_proj_xy", 800, 800);
427  fh_proj_xy_u->Scale(1./fEventNum);
428  fh_proj_xy_d->Scale(1./fEventNum);
429  c7->Divide(1, 2);
430  c7->cd(1);
431  DrawH2(fh_proj_xy_u);
432  fh_proj_xy_u->GetYaxis()->SetTitleOffset(0.75);
433  fh_proj_xy_u->GetZaxis()->SetTitleOffset(0.75);
434  gPad->SetLeftMargin(0.1);
435  gPad->SetRightMargin(0.15);
436  c7->cd(2);
437  DrawH2(fh_proj_xy_d);
438  fh_proj_xy_d->GetYaxis()->SetTitleOffset(0.75);
439  fh_proj_xy_d->GetZaxis()->SetTitleOffset(0.75);
440  gPad->SetLeftMargin(0.1);
441  gPad->SetRightMargin(0.15);
442 
443  TCanvas* c8 = CreateCanvas("rich_urqmd_nof_proj_per_event", "rich_urqmd_nof_proj_per_event", 800, 800);
444  fh_nof_proj_per_event->Scale(1./fEventNum);
445  DrawH1(fh_nof_proj_per_event);
446  cout << "Number of track projections per event = " << fh_nof_proj_per_event->GetMean() << endl;
447 }
448 
449 void CbmRichUrqmdTest::Finish()
450 {
451  DrawHist();
452  for (Int_t i = 0; i < fHists.size(); i++){
453  fHists[i]->Write();
454  }
455  SaveCanvasToImage();
456 }
457 
458 
459 TCanvas* CbmRichUrqmdTest::CreateCanvas(
460  const string& name,
461  const string& title,
462  int width,
463  int height)
464 {
465  TCanvas* c = new TCanvas(name.c_str(), title.c_str(), width, height);
466  fCanvas.push_back(c);
467  return c;
468 }
469 
470 void CbmRichUrqmdTest::SaveCanvasToImage()
471 {
472  for (int i = 0; i < fCanvas.size(); i++)
473  {
474  lit::SaveCanvasAsImage(fCanvas[i], fOutputDir);
475  }
476 }
477 
478 ClassImp(CbmRichUrqmdTest)
479