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1ee39b3a | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id: AliTRDefficiency.cxx 27496 2008-07-22 08:35:45Z cblume $ */ | |
17 | ||
18 | //////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // Reconstruction QA // | |
21 | // // | |
22 | // Authors: // | |
23 | // Markus Fasel <M.Fasel@gsi.de> // | |
24 | // // | |
25 | //////////////////////////////////////////////////////////////////////////// | |
26 | ||
27 | #include <TClonesArray.h> | |
28 | #include <TObjArray.h> | |
29 | #include <TProfile.h> | |
e2e3cec2 | 30 | #include <TPad.h> |
1ee39b3a | 31 | #include "TTreeStream.h" |
32 | ||
33 | #include "AliPID.h" | |
34 | #include "AliESDtrack.h" | |
35 | #include "AliTrackReference.h" | |
36 | #include "AliExternalTrackParam.h" | |
37 | #include "AliTracker.h" | |
38 | #include "AliAnalysisManager.h" | |
39 | ||
40 | #include "Cal/AliTRDCalPID.h" | |
41 | #include "AliTRDefficiency.h" | |
42 | #include "info/AliTRDtrackInfo.h" | |
43 | ||
44 | ClassImp(AliTRDefficiency) | |
45 | ||
46 | //____________________________________________________________________ | |
47 | AliTRDefficiency::AliTRDefficiency() | |
f2e89a4c | 48 | :AliTRDrecoTask() |
db99a57a | 49 | ,fMissed(NULL) |
f8f46e4d | 50 | { |
51 | // | |
52 | // Default constructor | |
53 | // | |
f2e89a4c | 54 | SetNameTitle("TRDefficiency", "TRD barrel tracking efficiency checker"); |
f8f46e4d | 55 | } |
56 | ||
f2e89a4c | 57 | //____________________________________________________________________ |
f8f46e4d | 58 | AliTRDefficiency::AliTRDefficiency(char* name) |
59 | :AliTRDrecoTask(name, "TRD barrel tracking efficiency checker") | |
db99a57a | 60 | ,fMissed(NULL) |
1ee39b3a | 61 | { |
62 | // | |
63 | // Default constructor | |
64 | // | |
65 | } | |
66 | ||
67 | //____________________________________________________________________ | |
68 | AliTRDefficiency::~AliTRDefficiency() | |
69 | { | |
70 | // Destructor | |
71 | if(fMissed){ | |
72 | fMissed->Delete(); | |
73 | delete fMissed; | |
74 | } | |
75 | } | |
76 | ||
77 | //____________________________________________________________________ | |
f8f46e4d | 78 | void AliTRDefficiency::UserCreateOutputObjects() |
1ee39b3a | 79 | { |
80 | // | |
81 | // Create output objects | |
82 | // | |
83 | ||
f8f46e4d | 84 | OpenFile(1, "RECREATE"); |
1ee39b3a | 85 | const Int_t nbins = AliTRDCalPID::kNMom; |
86 | Float_t xbins[nbins+1] = {.5, .7, .9, 1.3, 1.7, 2.4, 3.5, 4.5, 5.5, 7., 9., 11.}; | |
87 | ||
db99a57a | 88 | TH1 *h = NULL; |
1ee39b3a | 89 | fContainer = new TObjArray(); |
90 | for(Int_t is=0; is<AliPID::kSPECIES; is++){ | |
91 | fContainer->Add(h = new TProfile(Form("h%s", AliTRDCalPID::GetPartSymb(is)), "", nbins, xbins)); | |
92 | h->SetLineColor(AliTRDCalPID::GetPartColor(is)); | |
93 | h->SetMarkerColor(AliTRDCalPID::GetPartColor(is)); | |
94 | h->SetMarkerStyle(7); | |
95 | } | |
96 | fContainer->Add(h = new TProfile("h", "", nbins, xbins)); | |
97 | h->SetMarkerStyle(7); | |
98 | } | |
99 | ||
100 | //____________________________________________________________________ | |
f8f46e4d | 101 | void AliTRDefficiency::UserExec(Option_t *) |
1ee39b3a | 102 | { |
103 | // | |
104 | // Do it | |
105 | // | |
106 | ||
107 | Int_t labelsacc[10000]; | |
108 | memset(labelsacc, 0, sizeof(Int_t) * 10000); | |
109 | ||
110 | if(!fMissed){ | |
111 | fMissed = new TClonesArray("AliTRDtrackInfo", 10); | |
112 | fMissed->SetOwner(); | |
113 | } | |
114 | ||
115 | Float_t mom; | |
116 | Int_t selection[10000], nselect = 0; | |
117 | ULong_t status; Int_t pidx; | |
118 | Int_t nTRD = 0, nTPC = 0, nMiss = 0; | |
db99a57a | 119 | AliTRDtrackInfo *track = NULL; |
120 | AliTrackReference *ref = NULL; | |
121 | AliExternalTrackParam *esd = NULL; | |
1ee39b3a | 122 | for(Int_t itrk=0; itrk<fTracks->GetEntriesFast(); itrk++){ |
123 | track = (AliTRDtrackInfo*)fTracks->UncheckedAt(itrk); | |
124 | ||
125 | if(!track->HasESDtrack()) continue; | |
126 | status = track->GetStatus(); | |
127 | ||
128 | // missing TPC propagation - interesting for SA | |
129 | if(!(status&AliESDtrack::kTPCout)) continue; | |
130 | ||
131 | // missing MC info. | |
132 | if(HasMCdata() && track->GetNTrackRefs() <= 1) continue; | |
133 | ||
134 | nTPC++; | |
135 | selection[nselect++]=itrk; | |
136 | ref = track->GetTrackRef(0); | |
137 | esd = track->GetESDinfo()->GetOuterParam(); | |
138 | mom = ref ? ref->P(): esd->P(); | |
139 | pidx = AliTRDCalPID::GetPartIndex(track->GetPDG()); | |
140 | pidx = TMath::Max(pidx, 0); | |
141 | ||
142 | //Int_t n = track->GetNumberOfClusters(); | |
143 | // where are this tracklets ??? | |
144 | //if(ncls0 > ncls1) printf("%3d ESD[%3d] TRD[%3d|%3d]\n", itrk, ncls0, ncls1, n); | |
145 | if(track->GetNumberOfClustersRefit()){ | |
146 | ((TProfile*)fContainer->At(pidx))->Fill(mom, 1.); | |
147 | labelsacc[nTRD] = track->GetLabel(); | |
148 | nTRD++; | |
149 | continue; | |
150 | } | |
151 | ||
152 | ||
153 | ||
154 | Float_t xmed, xleng; | |
155 | Int_t iref = 1; Bool_t found = kFALSE; | |
156 | while((ref = track->GetTrackRef(iref))){ | |
157 | xmed = .5*(ref->LocalX() + track->GetTrackRef(iref-1)->LocalX()); | |
158 | xleng= (ref->LocalX() - track->GetTrackRef(iref-1)->LocalX()); | |
159 | if(TMath::Abs(xmed - 298.5) < .5 && | |
160 | TMath::Abs(xleng - 3.7) < .1){ | |
161 | found = kTRUE; | |
162 | break; | |
163 | } | |
164 | iref++; | |
165 | } | |
166 | if(!found){ | |
167 | nTPC--; | |
168 | // track missing first layer. Maybe interesting for SA. | |
169 | continue; | |
170 | } | |
171 | nselect--; | |
172 | new ((*fMissed)[nMiss]) AliTRDtrackInfo(*track); | |
173 | nMiss++; | |
174 | } | |
175 | AliDebug(2, Form("%3d Tracks: ESD[%3d] TPC[%3d] TRD[%3d | %5.2f%%] Off[%d]", (Int_t)AliAnalysisManager::GetAnalysisManager()->GetCurrentEntry(), fTracks->GetEntriesFast(), nTPC, nTRD, nTPC ? 1.E2*nTRD/float(nTPC) : 0., fMissed->GetEntriesFast())); | |
176 | ||
177 | ||
178 | // Find double tracks | |
179 | Float_t threshold = 10.; | |
db99a57a | 180 | AliTrackReference *refMiss = NULL; |
181 | AliExternalTrackParam *op = NULL; | |
182 | AliTRDtrackInfo *tt = NULL; | |
1ee39b3a | 183 | for(Int_t imiss=0; imiss<nMiss; imiss++){ |
184 | //printf("Searching missing %d ...\n", imiss); | |
185 | ||
186 | // get outer param of missed | |
187 | tt = (AliTRDtrackInfo*)fMissed->UncheckedAt(imiss); | |
188 | op = tt->GetESDinfo()->GetOuterParam(); | |
189 | Double_t alpha = op->GetAlpha(), cosa = TMath::Cos(alpha), sina = TMath::Sin(alpha); | |
190 | ||
191 | Double_t xyz[3], x0, y0, z0, x, y, z, dx, dy, dz, d; | |
192 | ||
193 | Bool_t bFOUND = kFALSE; | |
194 | for(Int_t iselect=0; iselect<nselect; iselect++){ | |
195 | track = (AliTRDtrackInfo*)fTracks->UncheckedAt(selection[iselect]); | |
196 | ||
197 | // check first MC ... if available | |
198 | d = 0; | |
199 | for(Int_t iref=0; iref<track->GetNTrackRefs(); iref++){ | |
200 | if(!(ref = track->GetTrackRef(iref))) continue; | |
201 | if((refMiss = tt->GetTrackRef(iref))){ | |
202 | dy = ref->LocalY() - refMiss->LocalY(); | |
203 | dz = ref->Z() - refMiss->Z(); | |
204 | } else { | |
205 | // compare missOP with refTrackRef in LTC | |
206 | x0 = ref->LocalX(); | |
207 | op->GetYAt(x0, AliTracker::GetBz(), y0); | |
208 | op->GetZAt(x0, AliTracker::GetBz(), z0); | |
209 | dy = y0 - ref->LocalY(); | |
210 | dz = z0 - ref->Z(); | |
211 | } | |
212 | d += (dy*dy + dz*dz); | |
213 | } | |
214 | //printf("\td[%d] = %f N[%d]\n", selection[iselect], d, track->GetNTrackRefs()); | |
215 | if((track->GetNTrackRefs())){ | |
216 | d /= track->GetNTrackRefs(); | |
217 | if(d < threshold){ | |
218 | //printf("\t\tFound %2d in ref[%3d] : d[%f]\n", imiss, selection[iselect], d/track->GetNTrackRefs()); | |
219 | bFOUND = kTRUE; break; | |
220 | } | |
221 | } | |
222 | ||
223 | // process outer param ... always available | |
224 | // compare missOP with OP in GTC | |
225 | esd = track->GetESDinfo()->GetOuterParam(); | |
226 | esd->GetXYZ(xyz); | |
227 | x0 = esd->GetX(); | |
228 | op->GetYAt(x0, AliTracker::GetBz(), y0); | |
229 | op->GetZAt(x0, AliTracker::GetBz(), z0); | |
230 | x = x0*cosa - y0*sina; | |
231 | y = x0*sina + y0*cosa; | |
232 | z = z0; | |
233 | dx=xyz[0]-x; | |
234 | dy=xyz[1]-y; | |
235 | dz=xyz[2]-z; | |
236 | d = dx*dx+dy*dy+dz*dz; | |
237 | //printf("\td[%d] = %f op\n", selection[iselect], d); | |
238 | if(d < threshold){ | |
239 | //printf("\t\tFound %2d in op[%3d] : d[%f] dx[%5.2f] dy[%5.2f] dz[%5.2f]\n", imiss, selection[iselect], d, dx, dy, dz); | |
240 | bFOUND = kTRUE; break; | |
241 | } | |
242 | } | |
243 | if(bFOUND) nTPC--; | |
244 | else{ | |
245 | ref = tt->GetTrackRef(0); | |
246 | mom = ref ? ref->P(): op->P(); | |
247 | pidx = AliTRDCalPID::GetPartIndex(tt->GetPDG()); | |
248 | pidx = TMath::Max(pidx, 0); | |
249 | ((TProfile*)fContainer->At(pidx))->Fill(mom, 0.); | |
250 | AliDebug(2, Form(" NOT bFOUND Id[%d] Mom[%f]\n", tt->GetTrackId(), mom)); | |
251 | } | |
252 | } | |
253 | ||
254 | AliDebug(2, Form("%3d Tracks: ESD[%3d] TPC[%3d] TRD[%3d | %5.2f%%] Off[%d]", (Int_t)AliAnalysisManager::GetAnalysisManager()->GetCurrentEntry(), fTracks->GetEntriesFast(), nTPC, nTRD, nTPC ? 1.E2*nTRD/float(nTPC) : 0., fMissed->GetEntriesFast())); | |
255 | ||
256 | //fMissed->Delete(); | |
257 | // check for double countings | |
258 | Int_t indices[10000]; memset(indices, 0, sizeof(Int_t) * 10000); | |
259 | TMath::Sort(nTRD, labelsacc, indices); | |
260 | if(DebugLevel() > 2){ | |
261 | for(Int_t itk = 0; itk < nTRD - 1; itk++) | |
262 | if(labelsacc[indices[itk]] ==labelsacc[indices[itk + 1]]) printf("Double counted MC track: %d\n", labelsacc[indices[itk]]); | |
263 | } | |
f8f46e4d | 264 | PostData(1, fContainer); |
1ee39b3a | 265 | } |
266 | ||
267 | ||
268 | //____________________________________________________________________ | |
269 | Bool_t AliTRDefficiency::GetRefFigure(Int_t ifig) | |
270 | { | |
271 | // Steer reference figures | |
272 | ||
e2e3cec2 | 273 | if(!gPad){ |
274 | AliWarning("Please provide a canvas to draw results."); | |
275 | return kFALSE; | |
276 | } | |
277 | gPad->SetLogx(); | |
278 | ||
1ee39b3a | 279 | Bool_t bFIRST = kTRUE; |
db99a57a | 280 | TProfile *h = NULL; |
1ee39b3a | 281 | switch(ifig){ |
282 | case 0: | |
283 | h = (TProfile*)fContainer->At(AliPID::kSPECIES); | |
284 | for(Int_t is=0; is<AliPID::kSPECIES; is++){ | |
285 | h->Add((TProfile*)fContainer->At(is)); | |
286 | } | |
287 | h->SetMarkerColor(kBlack); | |
288 | h->SetLineColor(kBlack); | |
e2e3cec2 | 289 | h->SetTitle("TRD Efficiency integrated"); |
1ee39b3a | 290 | h->GetXaxis()->SetTitle("p [GeV/c]"); |
e2e3cec2 | 291 | h->GetXaxis()->SetMoreLogLabels(); |
292 | h->GetYaxis()->SetTitle("Efficiency"); | |
1ee39b3a | 293 | h->Draw("e1"); |
294 | break; | |
295 | case 1: | |
296 | bFIRST = kTRUE; | |
297 | for(Int_t is=0; is<AliPID::kSPECIES; is++){ | |
298 | if(!(h = (TProfile*)fContainer->At(is))) continue; | |
299 | if(bFIRST){ | |
300 | h->Draw("e1"); | |
301 | h->GetXaxis()->SetTitle("p [GeV/c]"); | |
e2e3cec2 | 302 | h->GetXaxis()->SetMoreLogLabels(); |
303 | h->GetYaxis()->SetTitle("Efficiency"); | |
1ee39b3a | 304 | } else h->Draw("same e1"); |
305 | bFIRST = kFALSE; | |
306 | } | |
307 | break; | |
308 | } | |
309 | return kTRUE; | |
310 | } | |
311 | ||
312 | ||
313 | //____________________________________________________________________ | |
314 | Bool_t AliTRDefficiency::PostProcess() | |
315 | { | |
316 | fNRefFigures = HasMCdata() ? 2 : 1; | |
317 | return kTRUE; | |
318 | } |