1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercialf 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 **************************************************************************/
16 /* $Id: AliTRDresolution.cxx 27496 2008-07-22 08:35:45Z cblume $ */
18 ////////////////////////////////////////////////////////////////////////////
20 // TRD tracking resolution //
22 // The class performs resolution and residual studies
23 // of the TRD tracks for the following quantities :
24 // - spatial position (y, [z])
25 // - angular (phi) tracklet
26 // - momentum at the track level
28 // The class has to be used for regular detector performance checks using the official macros:
29 // - $ALICE_ROOT/TRD/qaRec/run.C
30 // - $ALICE_ROOT/TRD/qaRec/makeResults.C
32 // For stand alone usage please refer to the following example:
34 // gSystem->Load("libANALYSIS.so");
35 // gSystem->Load("libTRDqaRec.so");
36 // AliTRDresolution *res = new AliTRDresolution();
37 // //res->SetMCdata();
38 // //res->SetVerbose();
39 // //res->SetVisual();
40 // res->Load("TRD.TaskResolution.root");
41 // if(!res->PostProcess()) return;
42 // res->GetRefFigure(0);
46 // Alexandru Bercuci <A.Bercuci@gsi.de> //
47 // Markus Fasel <M.Fasel@gsi.de> //
49 ////////////////////////////////////////////////////////////////////////////
56 #include <TObjArray.h>
65 #include <TGraphErrors.h>
66 #include <TGraphAsymmErrors.h>
70 #include "TTreeStream.h"
71 #include "TGeoManager.h"
73 #include "AliAnalysisManager.h"
74 #include "AliTrackReference.h"
75 #include "AliTrackPointArray.h"
76 #include "AliCDBManager.h"
79 #include "AliTRDcalibDB.h"
80 #include "AliTRDCommonParam.h"
81 #include "AliTRDSimParam.h"
82 #include "AliTRDgeometry.h"
83 #include "AliTRDpadPlane.h"
84 #include "AliTRDcluster.h"
85 #include "AliTRDseedV1.h"
86 #include "AliTRDtrackV1.h"
87 #include "AliTRDtrackerV1.h"
88 #include "AliTRDReconstructor.h"
89 #include "AliTRDrecoParam.h"
91 #include "info/AliTRDclusterInfo.h"
92 #include "info/AliTRDtrackInfo.h"
93 #include "AliTRDresolution.h"
95 ClassImp(AliTRDresolution)
96 UChar_t AliTRDresolution::fNElements[kNhistos] = {
100 Char_t *AliTRDresolution::fAxTitle[46][3] = {
102 {"x [cm]", "I_{mpv}", "x/x_{0}"}
103 ,{"x/x_{0}", "#delta I/I_{mpv}", "x[cm]"}
104 // Clusters to Kalman
105 ,{"tg(#phi)", "#mu_{y}^{cl} [#mum]", "#sigma_{y}^{cl} [#mum]"}
106 ,{"tg(#phi)", "PULL: #mu_{y}^{cl}", "PULL: #sigma_{y}^{cl}"}
107 // TRD tracklet to Kalman fit
108 ,{"tg(#phi)", "#mu_{y}^{trklt} [#mum]", "#sigma_{y}^{trklt} [#mum]"}
109 ,{"tg(#phi)", "PULL: #mu_{y}^{trklt}", "PULL: #sigma_{y}^{trklt}"}
110 ,{"tg(#theta)", "#mu_{z}^{trklt} [#mum]", "#sigma_{z}^{trklt} [#mum]"}
111 ,{"tg(#theta)", "PULL: #mu_{z}^{trklt}", "PULL: #sigma_{z}^{trklt}"}
112 ,{"tg(#phi)", "#mu_{#phi}^{trklt} [mrad]", "#sigma_{#phi}^{trklt} [mrad]"}
113 // TPC track 2 first TRD tracklet
114 ,{"tg(#phi)", "#mu_{y}^{TPC trklt} [#mum]", "#sigma_{y}^{TPC trklt} [#mum]"}
115 ,{"tg(#phi)", "PULL: #mu_{y}^{TPC trklt}", "PULL: #sigma_{y}^{TPC trklt}"}
116 ,{"tg(#theta)", "#mu_{z}^{TPC trklt} [#mum]", "#sigma_{z}^{TPC trklt} [#mum]"}
117 ,{"tg(#theta)", "PULL: #mu_{z}^{TPC trklt}", "PULL: #sigma_{z}^{TPC trklt}"}
118 ,{"tg(#phi)", "#mu_{#phi}^{TPC trklt} [mrad]", "#sigma_{#phi}^{TPC trklt} [mrad]"}
120 ,{"tg(#phi)", "MC: #mu_{y}^{cl} [#mum]", "MC: #sigma_{y}^{cl} [#mum]"}
121 ,{"tg(#phi)", "MC PULL: #mu_{y}^{cl}", "MC PULL: #sigma_{y}^{cl}"}
123 ,{"tg(#phi)", "MC: #mu_{y}^{trklt} [#mum]", "MC: #sigma_{y}^{trklt} [#mum]"}
124 ,{"tg(#phi)", "MC PULL: #mu_{y}^{trklt}", "MC PULL: #sigma_{y}^{trklt}"}
125 ,{"tg(#theta)", "MC: #mu_{z}^{trklt} [#mum]", "MC: #sigma_{z}^{trklt} [#mum]"}
126 ,{"tg(#theta)", "MC PULL: #mu_{z}^{trklt}", "MC PULL: #sigma_{z}^{trklt}"}
127 ,{"tg(#phi)", "MC: #mu_{#phi}^{trklt} [mrad]", "MC: #sigma_{#phi}^{trklt} [mrad]"}
129 ,{"tg(#phi)", "MC: #mu_{y}^{TPC} [#mum]", "MC: #sigma_{y}^{TPC} [#mum]"}
130 ,{"tg(#phi)", "MC PULL: #mu_{y}^{TPC}", "MC PULL: #sigma_{y}^{TPC}"}
131 ,{"tg(#theta)", "MC: #mu_{z}^{TPC} [#mum]", "MC: #sigma_{z}^{TPC} [#mum]"}
132 ,{"tg(#theta)", "MC PULL: #mu_{z}^{TPC}", "MC PULL: #sigma_{z}^{TPC}"}
133 ,{"tg(#phi)", "MC: #mu_{#phi}^{TPC} [mrad]", "MC: #sigma_{#phi}^{TPC} [mrad]"}
134 ,{"tg(#phi)", "MC PULL: #mu_{snp}^{TPC}", "MC PULL: #sigma_{snp}^{TPC}"}
135 ,{"tg(#theta)", "MC: #mu_{#theta}^{TPC} [mrad]", "MC: #sigma_{#theta}^{TPC} [mrad]"}
136 ,{"tg(#theta)", "MC PULL: #mu_{tgl}^{TPC}", "MC PULL: #sigma_{tgl}^{TPC}"}
137 ,{"p_{t}^{MC} [GeV/c]", "MC: #mu^{TPC}(#Deltap_{t}/p_{t}^{MC}) [%]", "MC: #sigma^{TPC}(#Deltap_{t}/p_{t}^{MC}) [%]"}
138 ,{"1/p_{t}^{MC} [c/GeV]", "MC PULL: #mu_{1/p_{t}}^{TPC}", "MC PULL: #sigma_{1/p_{t}}^{TPC}"}
139 ,{"p^{MC} [GeV/c]", "MC: #mu^{TPC}(#Deltap/p^{MC}) [%]", "MC: #sigma^{TPC}(#Deltap/p^{MC}) [%]"}
140 ,{"p^{MC} [GeV/c]", "MC PULL: #mu^{TPC}(#Deltap/#sigma_{p})", "MC PULL: #sigma^{TPC}(#Deltap/#sigma_{p})"}
142 ,{"tg(#theta)", "MC: #mu_{z}^{TOF} [#mum]", "MC: #sigma_{z}^{TOF} [#mum]"}
143 ,{"tg(#theta)", "MC PULL: #mu_{z}^{TOF}", "MC PULL: #sigma_{z}^{TOF}"}
145 ,{"tg(#phi)", "MC: #mu_{y}^{Trk} [#mum]", "MC: #sigma_{y}^{Trk} [#mum]"}
146 ,{"tg(#phi)", "MC PULL: #mu_{y}^{Trk}", "MC PULL: #sigma_{y}^{Trk}"}
147 ,{"tg(#theta)", "MC: #mu_{z}^{Trk} [#mum]", "MC: #sigma_{z}^{Trk} [#mum]"}
148 ,{"tg(#theta)", "MC PULL: #mu_{z}^{Trk}", "MC PULL: #sigma_{z}^{Trk}"}
149 ,{"tg(#phi)", "MC: #mu_{#phi}^{Trk} [mrad]", "MC: #sigma_{#phi}^{Trk} [mrad]"}
150 ,{"tg(#phi)", "MC PULL: #mu_{snp}^{Trk}", "MC PULL: #sigma_{snp}^{Trk}"}
151 ,{"tg(#theta)", "MC: #mu_{#theta}^{Trk} [mrad]", "MC: #sigma_{#theta}^{Trk} [mrad]"}
152 ,{"tg(#theta)", "MC PULL: #mu_{tgl}^{Trk}", "MC PULL: #sigma_{tgl}^{Trk}"}
153 ,{"p_{t}^{MC} [GeV/c]", "MC: #mu^{Trk}(#Deltap_{t}/p_{t}^{MC}) [%]", "MC: #sigma^{Trk}(#Deltap_{t}/p_{t}^{MC}) [%]"}
154 ,{"1/p_{t}^{MC} [c/GeV]", "MC PULL: #mu_{1/p_{t}}^{Trk}", "MC PULL: #sigma_{1/p_{t}}^{Trk}"}
155 ,{"p^{MC} [GeV/c]", "MC: #mu^{Trk}(#Deltap/p^{MC}) [%]", "MC: #sigma^{Trk}(#Deltap/p^{MC}) [%]"}
158 //________________________________________________________
159 AliTRDresolution::AliTRDresolution()
160 :AliTRDrecoTask("resolution", "Spatial and momentum TRD resolution checker")
172 fReconstructor = new AliTRDReconstructor();
173 fReconstructor->SetRecoParam(AliTRDrecoParam::GetLowFluxParam());
174 fGeo = new AliTRDgeometry();
178 DefineOutput(1, TObjArray::Class()); // cluster2track
179 DefineOutput(2, TObjArray::Class()); // tracklet2track
180 DefineOutput(3, TObjArray::Class()); // cluster2mc
181 DefineOutput(4, TObjArray::Class()); // tracklet2mc
184 //________________________________________________________
185 AliTRDresolution::~AliTRDresolution()
187 if(fGraphS){fGraphS->Delete(); delete fGraphS;}
188 if(fGraphM){fGraphM->Delete(); delete fGraphM;}
190 delete fReconstructor;
191 if(gGeoManager) delete gGeoManager;
192 if(fCl){fCl->Delete(); delete fCl;}
193 if(fTrklt){fTrklt->Delete(); delete fTrklt;}
194 if(fMCcl){fMCcl->Delete(); delete fMCcl;}
195 if(fMCtrklt){fMCtrklt->Delete(); delete fMCtrklt;}
199 //________________________________________________________
200 void AliTRDresolution::CreateOutputObjects()
202 // spatial resolution
203 OpenFile(0, "RECREATE");
205 fContainer = Histos();
207 fCl = new TObjArray();
208 fCl->SetOwner(kTRUE);
209 fTrklt = new TObjArray();
210 fTrklt->SetOwner(kTRUE);
211 fMCcl = new TObjArray();
212 fMCcl->SetOwner(kTRUE);
213 fMCtrklt = new TObjArray();
214 fMCtrklt->SetOwner(kTRUE);
217 //________________________________________________________
218 void AliTRDresolution::Exec(Option_t *opt)
225 AliTRDrecoTask::Exec(opt);
230 PostData(4, fMCtrklt);
233 //________________________________________________________
234 TH1* AliTRDresolution::PlotCharge(const AliTRDtrackV1 *track)
236 if(track) fTrack = track;
238 AliWarning("No Track defined.");
241 TObjArray *arr = 0x0;
242 if(!(arr = ((TObjArray*)fContainer->At(kCharge)))){
243 AliWarning("No output container defined.");
248 AliTRDseedV1 *fTracklet = 0x0;
249 AliTRDcluster *c = 0x0;
250 for(Int_t ily=0; ily<AliTRDgeometry::kNlayer; ily++){
251 if(!(fTracklet = fTrack->GetTracklet(ily))) continue;
252 if(!fTracklet->IsOK()) continue;
253 Float_t x0 = fTracklet->GetX0();
255 for(Int_t itb=AliTRDseedV1::kNtb; itb--;){
256 if(!(c = fTracklet->GetClusters(itb))){
257 if(!(c = fTracklet->GetClusters(AliTRDseedV1::kNtb+itb))) continue;
259 dq = fTracklet->GetdQdl(itb, &dl);
260 dl /= 0.15; // dl/dl0, dl0 = 1.5 mm for nominal vd
261 (h = (TH3S*)arr->At(0))->Fill(dl, x0-c->GetX(), dq);
264 // if(!HasMCdata()) continue;
266 // Float_t pt0, y0, z0, dydx0, dzdx0;
267 // if(!fMC->GetDirections(x0, y0, z0, dydx0, dzdx0, pt0, s)) continue;
274 //________________________________________________________
275 TH1* AliTRDresolution::PlotCluster(const AliTRDtrackV1 *track)
277 if(track) fTrack = track;
279 AliWarning("No Track defined.");
282 TObjArray *arr = 0x0;
283 if(!(arr = ((TObjArray*)fContainer->At(kCluster)))){
284 AliWarning("No output container defined.");
289 Float_t x0, y0, z0, dy, dydx, dzdx;
290 AliTRDseedV1 *fTracklet = 0x0;
291 for(Int_t ily=0; ily<AliTRDgeometry::kNlayer; ily++){
292 if(!(fTracklet = fTrack->GetTracklet(ily))) continue;
293 if(!fTracklet->IsOK()) continue;
294 x0 = fTracklet->GetX0();
296 // retrive the track angle with the chamber
297 y0 = fTracklet->GetYref(0);
298 z0 = fTracklet->GetZref(0);
299 dydx = fTracklet->GetYref(1);
300 dzdx = fTracklet->GetZref(1);
301 fTracklet->GetCovRef(cov);
302 Float_t tilt = fTracklet->GetTilt();
303 AliTRDcluster *c = 0x0;
304 fTracklet->ResetClusterIter(kFALSE);
305 while((c = fTracklet->PrevCluster())){
306 Float_t xc = c->GetX();
307 Float_t yc = c->GetY();
308 Float_t zc = c->GetZ();
309 Float_t dx = x0 - xc;
310 Float_t yt = y0 - dx*dydx;
311 Float_t zt = z0 - dx*dzdx;
312 yc -= tilt*(zc-zt); // tilt correction
315 //Float_t sx2 = dydx*c->GetSX(c->GetLocalTimeBin()); sx2*=sx2;
316 Float_t sy2 = c->GetSigmaY2();
317 if(sy2<=0.) continue;
318 ((TH2I*)arr->At(0))->Fill(dydx, dy);
319 ((TH2I*)arr->At(1))->Fill(dydx, dy/TMath::Sqrt(cov[0] /*+ sx2*/ + sy2));
322 // Get z-position with respect to anode wire
323 //AliTRDSimParam *simParam = AliTRDSimParam::Instance();
324 Int_t istk = fGeo->GetStack(c->GetDetector());
325 AliTRDpadPlane *pp = fGeo->GetPadPlane(ily, istk);
326 Float_t row0 = pp->GetRow0();
327 Float_t d = row0 - zt + pp->GetAnodeWireOffset();
328 d -= ((Int_t)(2 * d)) / 2.0;
329 if (d > 0.25) d = 0.5 - d;
331 /* AliTRDclusterInfo *clInfo = new AliTRDclusterInfo;
333 clInfo->SetCluster(c);
334 clInfo->SetGlobalPosition(yt, zt, dydx, dzdx);
335 clInfo->SetResolution(dy);
336 clInfo->SetAnisochronity(d);
337 clInfo->SetDriftLength(dx);
338 (*fDebugStream) << "ClusterResiduals"
339 <<"clInfo.=" << clInfo
344 return (TH2I*)arr->At(0);
348 //________________________________________________________
349 TH1* AliTRDresolution::PlotTracklet(const AliTRDtrackV1 *track)
351 // Plot normalized residuals for tracklets to track.
353 // We start from the result that if X=N(|m|, |Cov|)
355 // (Cov^{-1})^{1/2}X = N((Cov^{-1})^{1/2}*|m|, |1|)
357 // in our case X=(y_trklt - y_trk z_trklt - z_trk) and |Cov| = |Cov_trklt| + |Cov_trk| at the radial
358 // reference position.
359 if(track) fTrack = track;
361 AliWarning("No Track defined.");
364 TObjArray *arr = 0x0;
365 if(!(arr = (TObjArray*)fContainer->At(kTrackTRD ))){
366 AliWarning("No output container defined.");
370 Double_t cov[3], covR[7]/*, sqr[3], inv[3]*/;
371 Float_t x, dx, dy, dz;
372 AliTRDseedV1 *fTracklet = 0x0;
373 for(Int_t il=AliTRDgeometry::kNlayer; il--;){
374 if(!(fTracklet = fTrack->GetTracklet(il))) continue;
375 if(!fTracklet->IsOK()) continue;
376 x = fTracklet->GetX();
377 dx = fTracklet->GetX0() - x;
378 // compute dy^2 and dz^2
379 dy = fTracklet->GetYref(0)-dx*fTracklet->GetYref(1) - fTracklet->GetY();
380 dz = fTracklet->GetZref(0)-dx*fTracklet->GetZref(1) - fTracklet->GetZ();
381 // compute covariance matrix
382 fTracklet->GetCovAt(x, cov);
383 fTracklet->GetCovRef(covR);
384 cov[0] += covR[0]; cov[1] += covR[1]; cov[2] += covR[2];
385 /* // Correct PULL calculation by considering off
386 // diagonal elements in the covariance matrix
387 // compute square root matrix
388 if(AliTRDseedV1::GetCovInv(cov, inv)==0.) continue;
389 if(AliTRDseedV1::GetCovSqrt(inv, sqr)<0.) continue;
390 Double_t y = sqr[0]*dy+sqr[1]*dz;
391 Double_t z = sqr[1]*dy+sqr[2]*dz;
392 ((TH3*)h)->Fill(y, z, fTracklet->GetYref(1));*/
394 ((TH2I*)arr->At(0))->Fill(fTracklet->GetYref(1), dy);
395 ((TH2I*)arr->At(1))->Fill(fTracklet->GetYref(1), dy/TMath::Sqrt(cov[0]));
396 ((TH2I*)arr->At(4))->Fill(fTracklet->GetYref(1), TMath::ATan((fTracklet->GetYref(1)-fTracklet->GetYfit(1))/(1-fTracklet->GetYref(1)*fTracklet->GetYfit(1))));
397 if(!fTracklet->IsRowCross()) continue;
398 ((TH2I*)arr->At(2))->Fill(fTracklet->GetZref(1), dz);
399 ((TH2I*)arr->At(3))->Fill(fTracklet->GetZref(1), dz/TMath::Sqrt(cov[2]));
403 return (TH2I*)arr->At(0);
407 //________________________________________________________
408 TH1* AliTRDresolution::PlotTrackTPC(const AliTRDtrackV1 *track)
410 // Store resolution/pulls of Kalman before updating with the TRD information
411 // at the radial position of the first tracklet. The following points are used
413 // - the (y,z,snp) of the first TRD tracklet
414 // - the (y, z, snp, tgl, pt) of the MC track reference
416 // Additionally the momentum resolution/pulls are calculated for usage in the
419 if(track) fTrack = track;
421 AliWarning("No Track defined.");
424 AliExternalTrackParam *tin = 0x0;
425 if(!(tin = fTrack->GetTrackLow())){
426 AliWarning("Track did not entered TRD fiducial volume.");
431 Double_t x = tin->GetX();
432 AliTRDseedV1 *tracklet = 0x0;
433 for(Int_t ily=0; ily<AliTRDgeometry::kNlayer; ily++){
434 if(!(tracklet = fTrack->GetTracklet(ily))) continue;
437 if(!tracklet || TMath::Abs(x-tracklet->GetX())>1.e-3){
438 AliWarning("Tracklet did not match TRD entrance.");
441 const Int_t kNPAR(5);
442 Double_t parR[kNPAR]; memcpy(parR, tin->GetParameter(), kNPAR*sizeof(Double_t));
443 Double_t covR[3*kNPAR]; memcpy(covR, tin->GetCovariance(), 3*kNPAR*sizeof(Double_t));
444 Double_t cov[3]; tracklet->GetCovAt(x, cov);
446 // define sum covariances
447 TMatrixDSym COV(kNPAR); TVectorD PAR(kNPAR);
448 Double_t *pc = &covR[0], *pp = &parR[0];
449 for(Int_t ir=0; ir<kNPAR; ir++, pp++){
451 for(Int_t ic = 0; ic<=ir; ic++,pc++){
452 COV(ir,ic) = (*pc); COV(ic,ir) = (*pc);
455 PAR[4] = TMath::Abs(PAR[4]); // remove sign of pt !!
456 //COV.Print(); PAR.Print();
458 //TODO Double_t dydx = TMath::Sqrt(1.-parR[2]*parR[2])/parR[2];
459 Double_t dy = parR[0] - tracklet->GetY();
460 TObjArray *arr = (TObjArray*)fContainer->At(kTrackTPC);
461 ((TH2I*)arr->At(0))->Fill(tracklet->GetYref(1), dy);
462 ((TH2I*)arr->At(1))->Fill(tracklet->GetYref(1), dy/TMath::Sqrt(COV(0,0)+cov[0]));
463 if(tracklet->IsRowCross()){
464 Double_t dz = parR[1] - tracklet->GetZ();
465 ((TH2I*)arr->At(2))->Fill(tracklet->GetZref(1), dz);
466 ((TH2I*)arr->At(3))->Fill(tracklet->GetZref(1), dz/TMath::Sqrt(COV(1,1)+cov[2]));
468 Double_t dphi = TMath::ASin(PAR[2])-TMath::ATan(tracklet->GetYfit(1)); ((TH2I*)arr->At(4))->Fill(tracklet->GetYref(1), dphi);
471 // register reference histo for mini-task
472 h = (TH2I*)arr->At(0);
475 (*fDebugStream) << "trackIn"
481 Double_t y = tracklet->GetY();
482 Double_t z = tracklet->GetZ();
483 (*fDebugStream) << "trackletIn"
493 if(!HasMCdata()) return h;
495 Float_t dx, pt0, x0=tracklet->GetX0(), y0, z0, dydx0, dzdx0;
496 if(!fMC->GetDirections(x0, y0, z0, dydx0, dzdx0, pt0, s)) return h;
497 // translate to reference radial position
498 dx = x0 - x; y0 -= dx*dydx0; z0 -= dx*dzdx0;
499 Float_t norm = 1./TMath::Sqrt(1.+dydx0*dydx0); // 1/sqrt(1+tg^2(phi))
501 TVectorD PARMC(kNPAR);
502 PARMC[0]=y0; PARMC[1]=z0;
503 PARMC[2]=dydx0*norm; PARMC[3]=dzdx0*norm;
506 // TMatrixDSymEigen eigen(COV);
507 // TVectorD evals = eigen.GetEigenValues();
508 // TMatrixDSym evalsm(kNPAR);
509 // for(Int_t ir=0; ir<kNPAR; ir++) for(Int_t ic=0; ic<kNPAR; ic++) evalsm(ir,ic) = (ir==ic ? evals(ir): 0.);
510 // TMatrixD evecs = eigen.GetEigenVectors();
511 // TMatrixD sqrcov(evecs, TMatrixD::kMult, TMatrixD(evalsm, TMatrixD::kMult, evecs.T()));
514 arr = (TObjArray*)fContainer->At(kMCtrackTPC);
515 // y resolution/pulls
516 ((TH2I*)arr->At(0))->Fill(dydx0, PARMC[0]-PAR[0]);
517 ((TH2I*)arr->At(1))->Fill(dydx0, (PARMC[0]-PAR[0])/TMath::Sqrt(COV(0,0)));
518 // z resolution/pulls
519 ((TH2I*)arr->At(2))->Fill(dzdx0, PARMC[1]-PAR[1]);
520 ((TH2I*)arr->At(3))->Fill(dzdx0, (PARMC[1]-PAR[1])/TMath::Sqrt(COV(1,1)));
521 // phi resolution/snp pulls
522 ((TH2I*)arr->At(4))->Fill(dydx0, TMath::ASin(PARMC[2])-TMath::ASin(PAR[2]));
523 ((TH2I*)arr->At(5))->Fill(dydx0, (PARMC[2]-PAR[2])/TMath::Sqrt(COV(2,2)));
524 // theta resolution/tgl pulls
525 ((TH2I*)arr->At(6))->Fill(dzdx0, TMath::ATan((PARMC[3]-PAR[3])/(1-PARMC[3]*PAR[3])));
526 ((TH2I*)arr->At(7))->Fill(dzdx0, (PARMC[3]-PAR[3])/TMath::Sqrt(COV(3,3)));
527 // pt resolution\\1/pt pulls\\p resolution/pull
528 for(Int_t is=AliPID::kSPECIES; is--;){
529 if(TMath::Abs(fMC->GetPDG())!=AliPID::ParticleCode(is)) continue;
530 ((TH3S*)arr->At(8))->Fill(pt0, PARMC[4]/PAR[4]-1., is);
531 ((TH3S*)arr->At(9))->Fill(PARMC[4], (PARMC[4]-PAR[4])/TMath::Sqrt(COV(4,4)), is);
533 Double_t p0 = TMath::Sqrt(1.+ PARMC[3]*PARMC[3])*pt0, p;
535 p = tracklet->GetMomentum(&sp);
536 ((TH3S*)arr->At(10))->Fill(p0, p/p0-1., is);
537 ((TH3S*)arr->At(11))->Fill(p0, (p0-p)/sp, is);
543 (*fDebugStream) << "trackInMC"
550 //________________________________________________________
551 TH1* AliTRDresolution::PlotMC(const AliTRDtrackV1 *track)
554 AliWarning("No MC defined. Results will not be available.");
557 if(track) fTrack = track;
559 AliWarning("No Track defined.");
562 TObjArray *arr = 0x0;
565 Int_t pdg = fMC->GetPDG(), det=-1;
566 Int_t label = fMC->GetLabel();
567 Double_t xAnode, x, y, z, pt, dydx, dzdx, dzdl;
568 Float_t pt0, x0, y0, z0, dx, dy, dz, dydx0, dzdx0;
569 Double_t covR[7]/*, cov[3]*/;
572 Double_t DX[12], DY[12], DZ[12], DPt[12], COV[12][15];
573 fMC->PropagateKalman(DX, DY, DZ, DPt, COV);
574 (*fDebugStream) << "MCkalman"
591 AliTRDReconstructor rec;
592 AliTRDseedV1 *fTracklet = 0x0;
593 for(Int_t ily=0; ily<AliTRDgeometry::kNlayer; ily++){
594 if(!(fTracklet = fTrack->GetTracklet(ily)))/* ||
595 !fTracklet->IsOK())*/ continue;
597 det = fTracklet->GetDetector();
598 x0 = fTracklet->GetX0();
599 //radial shift with respect to the MC reference (radial position of the pad plane)
600 x= fTracklet->GetX();
601 if(!fMC->GetDirections(x0, y0, z0, dydx0, dzdx0, pt0, s)) continue;
602 xAnode = fTracklet->GetX0();
604 // MC track position at reference radial position
607 (*fDebugStream) << "MC"
618 Float_t ymc = y0 - dx*dydx0;
619 Float_t zmc = z0 - dx*dzdx0;
620 //p = pt0*TMath::Sqrt(1.+dzdx0*dzdx0); // pt -> p
622 // Kalman position at reference radial position
624 dydx = fTracklet->GetYref(1);
625 dzdx = fTracklet->GetZref(1);
626 dzdl = fTracklet->GetTgl();
627 y = fTracklet->GetYref(0) - dx*dydx;
629 z = fTracklet->GetZref(0) - dx*dzdx;
631 pt = TMath::Abs(fTracklet->GetPt());
632 fTracklet->GetCovRef(covR);
634 arr = (TObjArray*)fContainer->At(kMCtrackTRD);
635 // y resolution/pulls
636 ((TH2I*)arr->At(0))->Fill(dydx0, dy);
637 ((TH2I*)arr->At(1))->Fill(dydx0, dy/TMath::Sqrt(covR[0]));
638 // z resolution/pulls
639 ((TH2I*)arr->At(2))->Fill(dzdx0, dz);
640 ((TH2I*)arr->At(3))->Fill(dzdx0, dz/TMath::Sqrt(covR[2]));
641 // phi resolution/ snp pulls
642 Double_t dtgp = (dydx - dydx0)/(1.- dydx*dydx0);
643 ((TH2I*)arr->At(4))->Fill(dydx0, TMath::ATan(dtgp));
644 Double_t dsnp = dydx/TMath::Sqrt(1.+dydx*dydx) - dydx0/TMath::Sqrt(1.+dydx0*dydx0);
645 ((TH2I*)arr->At(5))->Fill(dydx0, dsnp/TMath::Sqrt(covR[3]));
646 // theta resolution/ tgl pulls
647 Double_t dzdl0 = dzdx0/TMath::Sqrt(1.+dydx0*dydx0),
648 dtgl = (dzdl - dzdl0)/(1.- dzdl*dzdl0);
649 ((TH2I*)arr->At(6))->Fill(dzdl0,
651 ((TH2I*)arr->At(7))->Fill(dzdl0, (dzdl - dzdl0)/TMath::Sqrt(covR[4]));
652 // pt resolution \\ 1/pt pulls \\ p resolution for PID
653 for(Int_t is=AliPID::kSPECIES; is--;){
654 if(TMath::Abs(pdg)!=AliPID::ParticleCode(is)) continue;
655 ((TH3S*)((TObjArray*)arr->At(8))->At(ily))->Fill(pt0, pt/pt0-1., is);
656 ((TH3S*)((TObjArray*)arr->At(9))->At(ily))->Fill(1./pt0, (1./pt-1./pt0)/TMath::Sqrt(covR[6]), is);
657 Double_t p0 = TMath::Sqrt(1.+ dzdl0*dzdl0)*pt0,
658 p = TMath::Sqrt(1.+ dzdl*dzdl)*pt;
659 ((TH3S*)((TObjArray*)arr->At(10))->At(ily))->Fill(p0, p/p0-1., is);
663 // Fill Debug stream for Kalman track
665 (*fDebugStream) << "MCtrack"
677 // recalculate tracklet based on the MC info
678 AliTRDseedV1 tt(*fTracklet);
679 tt.SetZref(0, z0 - (x0-xAnode)*dzdx0);
680 tt.SetZref(1, dzdx0);
681 tt.SetReconstructor(&rec);
682 tt.Fit(kTRUE, kTRUE);
683 x= tt.GetX();y= tt.GetY();z= tt.GetZ();
684 dydx = tt.GetYfit(1);
688 Bool_t rc = tt.IsRowCross();
690 // add tracklet residuals for y and dydx
691 arr = (TObjArray*)fContainer->At(kMCtracklet);
695 Float_t dphi = (dydx - dydx0);
696 dphi /= (1.- dydx*dydx0);
698 ((TH2I*)arr->At(0))->Fill(dydx0, dy);
699 if(tt.GetS2Y()>0.) ((TH2I*)arr->At(1))->Fill(dydx0, dy/TMath::Sqrt(tt.GetS2Y()));
700 ((TH2I*)arr->At(4))->Fill(dydx0, TMath::ATan(dphi));
702 // add tracklet residuals for z
704 ((TH2I*)arr->At(2))->Fill(dzdl0, dz);
705 if(tt.GetS2Z()>0.) ((TH2I*)arr->At(3))->Fill(dzdl0, dz/TMath::Sqrt(tt.GetS2Z()));
708 // Fill Debug stream for tracklet
710 Float_t s2y = tt.GetS2Y();
711 Float_t s2z = tt.GetS2Z();
712 (*fDebugStream) << "MCtracklet"
723 Int_t istk = AliTRDgeometry::GetStack(det);
724 AliTRDpadPlane *pp = fGeo->GetPadPlane(ily, istk);
725 Float_t zr0 = pp->GetRow0() + pp->GetAnodeWireOffset();
726 Float_t tilt = fTracklet->GetTilt();
727 //Double_t exb = AliTRDCommonParam::Instance()->GetOmegaTau(1.5);
729 arr = (TObjArray*)fContainer->At(kMCcluster);
730 AliTRDcluster *c = 0x0;
731 fTracklet->ResetClusterIter(kFALSE);
732 while((c = fTracklet->PrevCluster())){
733 Float_t q = TMath::Abs(c->GetQ());
734 x = c->GetX(); y = c->GetY();z = c->GetZ();
738 dy = ymc - (y - tilt*(z-zmc));
741 ((TH2I*)arr->At(0))->Fill(dydx0, dy);
742 ((TH2I*)arr->At(1))->Fill(dydx0, dy/TMath::Sqrt(c->GetSigmaY2()));
745 // Fill calibration container
746 Float_t d = zr0 - zmc;
747 d -= ((Int_t)(2 * d)) / 2.0;
748 if (d > 0.25) d = 0.5 - d;
749 AliTRDclusterInfo *clInfo = new AliTRDclusterInfo;
751 clInfo->SetCluster(c);
752 clInfo->SetMC(pdg, label);
753 clInfo->SetGlobalPosition(ymc, zmc, dydx0, dzdx0);
754 clInfo->SetResolution(dy);
755 clInfo->SetAnisochronity(d);
756 clInfo->SetDriftLength(((c->GetPadTime()+0.5)*.1)*1.5);
757 //dx-.5*AliTRDgeometry::CamHght());
758 clInfo->SetTilt(tilt);
763 (*fDebugStream) << "MCcluster"
764 <<"clInfo.=" << clInfo
773 //________________________________________________________
774 Bool_t AliTRDresolution::GetRefFigure(Int_t ifig)
776 Float_t xy[4] = {0., 0., 0., 0.};
778 AliWarning("Please provide a canvas to draw results.");
781 TList *l = 0x0; TVirtualPad *pad=0x0;
784 gPad->Divide(2, 1, 1.e-5, 1.e-5); l=gPad->GetListOfPrimitives();
785 ((TVirtualPad*)l->At(0))->cd();
786 ((TGraphAsymmErrors*)((TObjArray*)fGraphM->At(kCharge))->At(0))->Draw("apl");
787 ((TVirtualPad*)l->At(1))->cd();
788 ((TGraphErrors*)((TObjArray*)fGraphS->At(kCharge))->At(0))->Draw("apl");
791 gPad->Divide(2, 1, 1.e-5, 1.e-5); l=gPad->GetListOfPrimitives();
792 xy[0] = -.3; xy[1] = -200.; xy[2] = .3; xy[3] = 1000.;
793 ((TVirtualPad*)l->At(0))->cd();
794 if(!GetGraphPlot(&xy[0], kCluster, 0)) break;
795 xy[0] = -.3; xy[1] = -0.5; xy[2] = .3; xy[3] = 2.5;
796 ((TVirtualPad*)l->At(1))->cd();
797 if(!GetGraphPlot(&xy[0], kCluster, 1)) break;
800 gPad->Divide(2, 1, 1.e-5, 1.e-5); l=gPad->GetListOfPrimitives();
801 xy[0] = -.3; xy[1] = -500.; xy[2] = .3; xy[3] = 1500.;
802 ((TVirtualPad*)l->At(0))->cd();
803 if(!GetGraphPlot(&xy[0], kTrackTRD , 0)) break;
804 xy[0] = -.3; xy[1] = -0.5; xy[2] = .3; xy[3] = 2.5;
805 ((TVirtualPad*)l->At(1))->cd();
806 if(!GetGraphPlot(&xy[0], kTrackTRD , 1)) break;
808 case 3: // kTrackTRD z
809 gPad->Divide(2, 1, 1.e-5, 1.e-5); l=gPad->GetListOfPrimitives();
810 xy[0] = -1.; xy[1] = -1000.; xy[2] = 1.; xy[3] = 4000.;
811 ((TVirtualPad*)l->At(0))->cd();
812 if(!GetGraphPlot(&xy[0], kTrackTRD , 2)) break;
813 xy[0] = -1.; xy[1] = -0.5; xy[2] = 1.; xy[3] = 2.5;
814 ((TVirtualPad*)l->At(1))->cd();
815 if(!GetGraphPlot(&xy[0], kTrackTRD , 3)) break;
817 case 4: // kTrackTRD phi
818 xy[0] = -.3; xy[1] = -5.; xy[2] = .3; xy[3] = 50.;
819 if(GetGraphPlot(&xy[0], kTrackTRD , 4)) return kTRUE;
821 case 5: // kTrackTPC y
822 gPad->Divide(2, 1, 1.e-5, 1.e-5); l=gPad->GetListOfPrimitives();
823 xy[0] = -.3; xy[1] = -500.; xy[2] = .3; xy[3] = 1500.;
824 pad = ((TVirtualPad*)l->At(0)); pad->cd();
825 pad->SetMargin(0.1, 0.1, 0.1, 0.01);
826 if(!GetGraphPlot(&xy[0], kTrackTPC, 0)) break;
827 xy[0] = -.3; xy[1] = -0.5; xy[2] = .3; xy[3] = 2.5;
828 pad=((TVirtualPad*)l->At(1)); pad->cd();
829 pad->SetMargin(0.1, 0.1, 0.1, 0.01);
830 if(!GetGraphPlot(&xy[0], kTrackTPC, 1)) break;
832 case 6: // kTrackTPC z
833 gPad->Divide(2, 1, 1.e-5, 1.e-5); l=gPad->GetListOfPrimitives();
834 xy[0] = -1.; xy[1] = -1000.; xy[2] = 1.; xy[3] = 4000.;
835 pad = ((TVirtualPad*)l->At(0)); pad->cd();
836 pad->SetMargin(0.1, 0.1, 0.1, 0.01);
837 if(!GetGraphPlot(&xy[0], kTrackTPC, 2)) break;
838 xy[0] = -1.; xy[1] = -0.5; xy[2] = 1.; xy[3] = 2.5;
839 pad = ((TVirtualPad*)l->At(1)); pad->cd();
840 pad->SetMargin(0.1, 0.1, 0.1, 0.01);
841 if(!GetGraphPlot(&xy[0], kTrackTPC, 3)) break;
843 case 7: // kTrackTPC phi
844 xy[0] = -.3; xy[1] = -5.; xy[2] = .3; xy[3] = 50.;
845 if(GetGraphPlot(&xy[0], kTrackTPC, 4)) return kTRUE;
847 case 8: // kMCcluster
848 gPad->Divide(2, 1, 1.e-5, 1.e-5); l=gPad->GetListOfPrimitives();
849 xy[0]=-.3; xy[1]=-50.; xy[2]=.3; xy[3]=650.;
850 ((TVirtualPad*)l->At(0))->cd();
851 if(!GetGraphPlot(&xy[0], kMCcluster, 0)) break;
852 xy[0] = -.3; xy[1] = -0.5; xy[2] = .3; xy[3] = 2.5;
853 ((TVirtualPad*)l->At(1))->cd();
854 if(!GetGraphPlot(&xy[0], kMCcluster, 1)) break;
856 case 9: //kMCtracklet [y]
857 gPad->Divide(2, 1, 1.e-5, 1.e-5); l=gPad->GetListOfPrimitives();
858 xy[0]=-.2; xy[1]=-50.; xy[2]=.2; xy[3] =250.;
859 ((TVirtualPad*)l->At(0))->cd();
860 if(!GetGraphPlot(&xy[0], kMCtracklet, 0)) break;
861 xy[0] = -.2; xy[1] = -0.5; xy[2] = .2; xy[3] = 2.5;
862 ((TVirtualPad*)l->At(1))->cd();
863 if(!GetGraphPlot(&xy[0], kMCtracklet, 1)) break;
865 case 10: //kMCtracklet [z]
866 gPad->Divide(2, 1, 1.e-5, 1.e-5); l=gPad->GetListOfPrimitives();
867 xy[0]=-1.; xy[1]=-100.; xy[2]=1.; xy[3] =2500.;
868 ((TVirtualPad*)l->At(0))->cd();
869 if(!GetGraphPlot(&xy[0], kMCtracklet, 2)) break;
870 xy[0] = -1.; xy[1] = -0.5; xy[2] = 1.; xy[3] = 2.5;
871 ((TVirtualPad*)l->At(1))->cd();
872 if(!GetGraphPlot(&xy[0], kMCtracklet, 3)) break;
874 case 11: //kMCtracklet [phi]
875 xy[0]=-.3; xy[1]=-3.; xy[2]=.3; xy[3] =25.;
876 if(!GetGraphPlot(&xy[0], kMCtracklet, 4)) break;
878 case 12: //kMCtrackTRD [y]
879 gPad->Divide(2, 1, 1.e-5, 1.e-5); l=gPad->GetListOfPrimitives();
880 xy[0]=-.2; xy[1]=-50.; xy[2]=.2; xy[3] =200.;
881 ((TVirtualPad*)l->At(0))->cd();
882 if(!GetGraphPlot(&xy[0], kMCtrackTRD, 0)) break;
883 xy[0] = -.2; xy[1] = -0.5; xy[2] = .2; xy[3] = 2.5;
884 ((TVirtualPad*)l->At(1))->cd();
885 if(!GetGraphPlot(&xy[0], kMCtrackTRD, 1)) break;
887 case 13: //kMCtrackTRD [z]
888 gPad->Divide(2, 1, 1.e-5, 1.e-5); l=gPad->GetListOfPrimitives();
889 xy[0]=-1.; xy[1]=-700.; xy[2]=1.; xy[3] =1500.;
890 ((TVirtualPad*)l->At(0))->cd();
891 if(!GetGraphPlot(&xy[0], kMCtrackTRD, 2)) break;
892 xy[0] = -1.; xy[1] = -0.5; xy[2] = 1.; xy[3] = 2.5;
893 ((TVirtualPad*)l->At(1))->cd();
894 if(!GetGraphPlot(&xy[0], kMCtrackTRD, 3)) break;
896 case 14: //kMCtrackTRD [phi/snp]
897 gPad->Divide(2, 1, 1.e-5, 1.e-5); l=gPad->GetListOfPrimitives();
898 xy[0]=-.2; xy[1]=-0.2; xy[2]=.2; xy[3] =2.;
899 ((TVirtualPad*)l->At(0))->cd();
900 if(!GetGraphPlot(&xy[0], kMCtrackTRD, 4)) break;
901 xy[0] = -.2; xy[1] = -0.5; xy[2] = .2; xy[3] = 2.5;
902 ((TVirtualPad*)l->At(1))->cd();
903 if(!GetGraphPlot(&xy[0], kMCtrackTRD, 5)) break;
905 case 15: //kMCtrackTRD [theta/tgl]
906 gPad->Divide(2, 1, 1.e-5, 1.e-5); l=gPad->GetListOfPrimitives();
907 xy[0]=-1.; xy[1]=-0.5; xy[2]=1.; xy[3] =5.;
908 ((TVirtualPad*)l->At(0))->cd();
909 if(!GetGraphPlot(&xy[0], kMCtrackTRD, 6)) break;
910 xy[0] = -.2; xy[1] = -0.5; xy[2] = .2; xy[3] = 2.5;
911 ((TVirtualPad*)l->At(1))->cd();
912 if(!GetGraphPlot(&xy[0], kMCtrackTRD, 7)) break;
914 case 16: //kMCtrackTRD [pt]
915 xy[0] = 0.; xy[1] = -5.; xy[2] = 12.; xy[3] = 7.;
916 gPad->Divide(2, 3, 1.e-5, 1.e-5); l=gPad->GetListOfPrimitives();
917 for(Int_t il=0; il<AliTRDgeometry::kNlayer; il++){
918 pad = (TVirtualPad*)l->At(il); pad->cd();
919 pad->SetMargin(0.07, 0.07, 0.1, 0.);
920 if(!GetGraphTrack(&xy[0], 8, il)) break;
923 case 17: //kMCtrackTRD [1/pt] pulls
924 xy[0] = 0.; xy[1] = -1.5; xy[2] = 2.; xy[3] = 2.;
925 gPad->Divide(2, 3, 1.e-5, 1.e-5); l=gPad->GetListOfPrimitives();
926 for(Int_t il=0; il<AliTRDgeometry::kNlayer; il++){
927 pad = (TVirtualPad*)l->At(il); pad->cd();
928 pad->SetMargin(0.07, 0.07, 0.1, 0.);
929 if(!GetGraphTrack(&xy[0], 9, il)) break;
932 case 18: //kMCtrackTRD [p]
933 xy[0] = 0.; xy[1] = -7.5; xy[2] = 12.; xy[3] = 10.5;
934 gPad->Divide(2, 3, 1.e-5, 1.e-5); l=gPad->GetListOfPrimitives();
935 for(Int_t il=0; il<AliTRDgeometry::kNlayer; il++){
936 pad = (TVirtualPad*)l->At(il); pad->cd();
937 pad->SetMargin(0.07, 0.07, 0.1, 0.);
938 if(!GetGraphTrack(&xy[0], 10, il)) break;
941 case 19: // kMCtrackTPC [y]
942 gPad->Divide(2, 1, 1.e-5, 1.e-5); l=gPad->GetListOfPrimitives();
943 xy[0]=-.25; xy[1]=-50.; xy[2]=.25; xy[3] =800.;
944 ((TVirtualPad*)l->At(0))->cd();
945 if(!GetGraphPlot(&xy[0], kMCtrackTPC, 0)) break;
946 xy[0] = -.25; xy[1] = -0.5; xy[2] = .25; xy[3] = 2.5;
947 ((TVirtualPad*)l->At(1))->cd();
948 if(!GetGraphPlot(&xy[0], kMCtrackTPC, 1)) break;
950 case 20: // kMCtrackTPC [z]
951 gPad->Divide(2, 1, 1.e-5, 1.e-5); l=gPad->GetListOfPrimitives();
952 xy[0]=-1.; xy[1]=-500.; xy[2]=1.; xy[3] =800.;
953 ((TVirtualPad*)l->At(0))->cd();
954 if(!GetGraphPlot(&xy[0], kMCtrackTPC, 2)) break;
955 xy[0] = -1.; xy[1] = -0.5; xy[2] = 1.; xy[3] = 2.5;
956 ((TVirtualPad*)l->At(1))->cd();
957 if(!GetGraphPlot(&xy[0], kMCtrackTPC, 3)) break;
959 case 21: // kMCtrackTPC [phi|snp]
960 gPad->Divide(2, 1, 1.e-5, 1.e-5); l=gPad->GetListOfPrimitives();
961 xy[0]=-.25; xy[1]=-0.5; xy[2]=.25; xy[3] =2.5;
962 ((TVirtualPad*)l->At(0))->cd();
963 if(!GetGraphPlot(&xy[0], kMCtrackTPC, 4)) break;
964 xy[0] = -.25; xy[1] = -0.5; xy[2] = .25; xy[3] = 1.5;
965 ((TVirtualPad*)l->At(1))->cd();
966 if(!GetGraphPlot(&xy[0], kMCtrackTPC, 5)) break;
968 case 22: // kMCtrackTPC [theta|tgl]
969 gPad->Divide(2, 1, 1.e-5, 1.e-5); l=gPad->GetListOfPrimitives();
970 xy[0]=-1.; xy[1]=-1.; xy[2]=1.; xy[3] =4.;
971 ((TVirtualPad*)l->At(0))->cd();
972 if(!GetGraphPlot(&xy[0], kMCtrackTPC, 6)) break;
973 xy[0] = -1.; xy[1] = -0.5; xy[2] = 1.; xy[3] = 1.5;
974 ((TVirtualPad*)l->At(1))->cd();
975 if(!GetGraphPlot(&xy[0], kMCtrackTPC, 7)) break;
977 case 23: // kMCtrackTPC [pt]
978 gPad->Divide(2, 1, 1.e-5, 1.e-5); l=gPad->GetListOfPrimitives();
979 xy[0] = 0.; xy[1] = -.8; xy[2] = 12.; xy[3] = 2.3;
980 ((TVirtualPad*)l->At(0))->cd();
981 if(!GetGraphTrackTPC(xy, 8)) break;
982 xy[0]=0.; xy[1]=-0.5; xy[2]=2.; xy[3] =2.5;
983 ((TVirtualPad*)l->At(1))->cd();
984 if(!GetGraphTrackTPC(xy, 9)) break;
986 case 24: // kMCtrackTPC [p]
987 gPad->Divide(2, 1, 1.e-5, 1.e-5); l=gPad->GetListOfPrimitives();
988 xy[0] = 0.; xy[1] = -.8; xy[2] = 12.; xy[3] = 2.3;
989 pad = ((TVirtualPad*)l->At(0));pad->cd();
990 pad->SetMargin(0.12, 0.12, 0.1, 0.04);
991 if(!GetGraphTrackTPC(xy, 10)) break;
992 xy[0]=0.; xy[1]=-1.5; xy[2]=12.; xy[3] =2.5;
993 pad = ((TVirtualPad*)l->At(1)); pad->cd();
994 pad->SetMargin(0.12, 0.12, 0.1, 0.04);
995 if(!GetGraphTrackTPC(xy, 11)) break;
997 case 25: // kMCtrackTOF [z]
1000 AliWarning(Form("Reference plot [%d] missing result", ifig));
1005 //________________________________________________________
1006 Bool_t AliTRDresolution::PostProcess()
1008 //fContainer = dynamic_cast<TObjArray*>(GetOutputData(0));
1010 Printf("ERROR: list not available");
1013 TGraph *gm= 0x0, *gs= 0x0;
1014 if(!fGraphS && !fGraphM){
1015 TObjArray *aM(0x0), *aS(0x0), *a(0x0);
1016 Int_t n = fContainer->GetEntriesFast();
1017 fGraphS = new TObjArray(n); fGraphS->SetOwner();
1018 fGraphM = new TObjArray(n); fGraphM->SetOwner();
1019 for(Int_t ig=0; ig<n; ig++){
1020 fGraphM->AddAt(aM = new TObjArray(fNElements[ig]), ig);
1021 fGraphS->AddAt(aS = new TObjArray(fNElements[ig]), ig);
1023 for(Int_t ic=0; ic<fNElements[ig]; ic++){
1024 if(ig==kMCtrackTPC&&(ic>=8&&ic<=12)){ // TPC momentum plot
1025 aS->AddAt(a = new TObjArray(AliPID::kSPECIES), ic);
1026 for(Int_t is=AliPID::kSPECIES; is--;){
1027 a->AddAt(gs = new TGraphErrors(), is);
1028 gs->SetMarkerStyle(23);
1029 gs->SetMarkerColor(is ? kRed : kMagenta);
1030 gs->SetLineStyle(is);
1031 gs->SetLineColor(is ? kRed : kMagenta);
1032 gs->SetLineWidth(is ? 1 : 3);
1033 gs->SetNameTitle(Form("s_%d%02d%d", ig, ic, is), "");
1035 aM->AddAt(a = new TObjArray(AliPID::kSPECIES), ic);
1036 for(Int_t is=AliPID::kSPECIES; is--;){
1037 a->AddAt(gm = new TGraphErrors(), is);
1038 gm->SetLineColor(is ? kBlack : kBlue);
1039 gm->SetLineStyle(is);
1040 gm->SetMarkerStyle(7);
1041 gm->SetMarkerColor(is ? kBlack : kBlue);
1042 gm->SetLineWidth(is ? 1 : 3);
1043 gm->SetNameTitle(Form("m_%d%02d%d", ig, ic, is), "");
1046 } else if(ig==kMCtrackTRD&&(ic==8||ic==9||ic==10)){ // TRD momentum plot
1047 TObjArray *aaS, *aaM;
1048 aS->AddAt(aaS = new TObjArray(AliTRDgeometry::kNlayer), ic);
1049 aM->AddAt(aaM = new TObjArray(AliTRDgeometry::kNlayer), ic);
1050 for(Int_t il=AliTRDgeometry::kNlayer; il--;){
1051 aaS->AddAt(a = new TObjArray(AliPID::kSPECIES), il);
1052 for(Int_t is=AliPID::kSPECIES; is--;){
1053 a->AddAt(gs = new TGraphErrors(), is);
1054 gs->SetMarkerStyle(23);
1055 gs->SetMarkerColor(is ? kRed : kMagenta);
1056 gs->SetLineStyle(is);
1057 gs->SetLineColor(is ? kRed : kMagenta);
1058 gs->SetLineWidth(is ? 1 : 3);
1059 gs->SetNameTitle(Form("s_%d%02d%d%d", ig, ic, is, il), "");
1061 aaM->AddAt(a = new TObjArray(AliPID::kSPECIES), il);
1062 for(Int_t is=AliPID::kSPECIES; is--;){
1063 a->AddAt(gm = new TGraphErrors(), is);
1064 gm->SetMarkerStyle(7);
1065 gm->SetMarkerColor(is ? kBlack : kBlue);
1066 gm->SetLineStyle(is);
1067 gm->SetLineColor(is ? kBlack : kBlue);
1068 gm->SetLineWidth(is ? 1 : 3);
1069 gm->SetNameTitle(Form("m_%d%02d%d%d", ig, ic, is, il), "");
1075 aS->AddAt(gs = new TGraphErrors(), ic);
1076 gs->SetMarkerStyle(23);
1077 gs->SetMarkerColor(kRed);
1078 gs->SetLineColor(kRed);
1079 gs->SetNameTitle(Form("s_%d%02d", ig, ic), "");
1081 aM->AddAt(gm = ig ? (TGraph*)new TGraphErrors() : (TGraph*)new TGraphAsymmErrors(), ic);
1082 gm->SetLineColor(kBlack);
1083 gm->SetMarkerStyle(7);
1084 gm->SetMarkerColor(kBlack);
1085 gm->SetNameTitle(Form("m_%d%02d", ig, ic), "");
1090 /* printf("\n\n\n"); fGraphS->ls();
1091 printf("\n\n\n"); fGraphM->ls();*/
1096 TF1 fg("fGauss", "gaus", -.5, .5);
1097 // Landau for charge resolution
1098 TF1 fl("fLandau", "landau", 0., 1000.);
1100 //PROCESS EXPERIMENTAL DISTRIBUTIONS
1101 // Charge resolution
1102 //Process3DL(kCharge, 0, &fl);
1103 // Clusters residuals
1104 Process2D(kCluster, 0, &fg, 1.e4);
1105 Process2D(kCluster, 1, &fg);
1107 // Tracklet residual/pulls
1108 Process2D(kTrackTRD , 0, &fg, 1.e4);
1109 Process2D(kTrackTRD , 1, &fg);
1110 Process2D(kTrackTRD , 2, &fg, 1.e4);
1111 Process2D(kTrackTRD , 3, &fg);
1112 Process2D(kTrackTRD , 4, &fg, 1.e3);
1114 // TPC track residual/pulls
1115 Process2D(kTrackTPC, 0, &fg, 1.e4);
1116 Process2D(kTrackTPC, 1, &fg);
1117 Process2D(kTrackTPC, 2, &fg, 1.e4);
1118 Process2D(kTrackTPC, 3, &fg);
1119 Process2D(kTrackTPC, 4, &fg, 1.e3);
1122 if(!HasMCdata()) return kTRUE;
1125 //PROCESS MC RESIDUAL DISTRIBUTIONS
1127 // CLUSTER Y RESOLUTION/PULLS
1128 Process2D(kMCcluster, 0, &fg, 1.e4);
1129 Process2D(kMCcluster, 1, &fg);
1132 // TRACKLET RESOLUTION/PULLS
1133 Process2D(kMCtracklet, 0, &fg, 1.e4); // y
1134 Process2D(kMCtracklet, 1, &fg); // y pulls
1135 Process2D(kMCtracklet, 2, &fg, 1.e4); // z
1136 Process2D(kMCtracklet, 3, &fg); // z pulls
1137 Process2D(kMCtracklet, 4, &fg, 1.e3); // phi
1140 // TRACK RESOLUTION/PULLS
1141 Process2D(kMCtrackTRD, 0, &fg, 1.e4); // y
1142 Process2D(kMCtrackTRD, 1, &fg); // y PULL
1143 Process2D(kMCtrackTRD, 2, &fg, 1.e4); // z
1144 Process2D(kMCtrackTRD, 3, &fg); // z PULL
1145 Process2D(kMCtrackTRD, 4, &fg, 1.e3); // phi
1146 Process2D(kMCtrackTRD, 5, &fg); // snp PULL
1147 Process2D(kMCtrackTRD, 6, &fg, 1.e3); // theta
1148 Process2D(kMCtrackTRD, 7, &fg); // tgl PULL
1149 Process4D(kMCtrackTRD, 8, &fg, 1.e2); // pt resolution
1150 Process4D(kMCtrackTRD, 9, &fg); // 1/pt pulls
1151 Process4D(kMCtrackTRD, 10, &fg, 1.e2); // p resolution
1154 // TRACK TPC RESOLUTION/PULLS
1155 Process2D(kMCtrackTPC, 0, &fg, 1.e4);// y resolution
1156 Process2D(kMCtrackTPC, 1, &fg); // y pulls
1157 Process2D(kMCtrackTPC, 2, &fg, 1.e4);// z resolution
1158 Process2D(kMCtrackTPC, 3, &fg); // z pulls
1159 Process2D(kMCtrackTPC, 4, &fg, 1.e3);// phi resolution
1160 Process2D(kMCtrackTPC, 5, &fg); // snp pulls
1161 Process2D(kMCtrackTPC, 6, &fg, 1.e3);// theta resolution
1162 Process2D(kMCtrackTPC, 7, &fg); // tgl pulls
1163 Process3D(kMCtrackTPC, 8, &fg, 1.e2);// pt resolution
1164 Process3D(kMCtrackTPC, 9, &fg); // 1/pt pulls
1165 Process3D(kMCtrackTPC, 10, &fg, 1.e2);// p resolution
1166 Process3D(kMCtrackTPC, 11, &fg); // p pulls
1169 // TRACK HMPID RESOLUTION/PULLS
1170 Process2D(kMCtrackTOF, 0, &fg, 1.e4); // z towards TOF
1171 Process2D(kMCtrackTOF, 1, &fg); // z towards TOF
1178 //________________________________________________________
1179 void AliTRDresolution::Terminate(Option_t *)
1182 delete fDebugStream;
1186 if(HasPostProcess()) PostProcess();
1189 //________________________________________________________
1190 void AliTRDresolution::AdjustF1(TH1 *h, TF1 *f)
1192 // Helper function to avoid duplication of code
1193 // Make first guesses on the fit parameters
1195 // find the intial parameters of the fit !! (thanks George)
1196 Int_t nbinsy = Int_t(.5*h->GetNbinsX());
1198 for(Int_t jbin=nbinsy-4; jbin<=nbinsy+4; jbin++) sum+=h->GetBinContent(jbin); sum/=9.;
1199 f->SetParLimits(0, 0., 3.*sum);
1200 f->SetParameter(0, .9*sum);
1201 Double_t rms = h->GetRMS();
1202 f->SetParLimits(1, -rms, rms);
1203 f->SetParameter(1, h->GetMean());
1205 f->SetParLimits(2, 0., 2.*rms);
1206 f->SetParameter(2, rms);
1207 if(f->GetNpar() <= 4) return;
1209 f->SetParLimits(3, 0., sum);
1210 f->SetParameter(3, .1*sum);
1212 f->SetParLimits(4, -.3, .3);
1213 f->SetParameter(4, 0.);
1215 f->SetParLimits(5, 0., 1.e2);
1216 f->SetParameter(5, 2.e-1);
1219 //________________________________________________________
1220 TObjArray* AliTRDresolution::Histos()
1222 if(fContainer) return fContainer;
1224 fContainer = new TObjArray(kNhistos);
1225 //fContainer->SetOwner(kTRUE);
1227 TObjArray *arr = 0x0;
1229 // cluster to track residuals/pulls
1230 fContainer->AddAt(arr = new TObjArray(fNElements[kCharge]), kCharge);
1231 arr->SetName("Charge");
1232 if(!(h = (TH3S*)gROOT->FindObject("hCharge"))){
1233 h = new TH3S("hCharge", "Charge Resolution", 20, 1., 2., 24, 0., 3.6, 100, 0., 500.);
1234 h->GetXaxis()->SetTitle("dx/dx_{0}");
1235 h->GetYaxis()->SetTitle("x_{d} [cm]");
1236 h->GetZaxis()->SetTitle("dq/dx [ADC/cm]");
1240 // cluster to track residuals/pulls
1241 fContainer->AddAt(arr = new TObjArray(fNElements[kCluster]), kCluster);
1243 if(!(h = (TH2I*)gROOT->FindObject("hCl"))){
1244 h = new TH2I("hCl", "Cluster Residuals", 21, -.33, .33, 100, -.5, .5);
1245 h->GetXaxis()->SetTitle("tg(#phi)");
1246 h->GetYaxis()->SetTitle("#Delta y [cm]");
1247 h->GetZaxis()->SetTitle("entries");
1250 if(!(h = (TH2I*)gROOT->FindObject("hClpull"))){
1251 h = new TH2I("hClpull", "Cluster Pulls", 21, -.33, .33, 100, -4.5, 4.5);
1252 h->GetXaxis()->SetTitle("tg(#phi)");
1253 h->GetYaxis()->SetTitle("#Delta y/#sigma_{y}");
1254 h->GetZaxis()->SetTitle("entries");
1258 // tracklet to track residuals/pulls in y direction
1259 fContainer->AddAt(arr = new TObjArray(fNElements[kTrackTRD ]), kTrackTRD );
1260 arr->SetName("Trklt");
1261 if(!(h = (TH2I*)gROOT->FindObject("hTrkltY"))){
1262 h = new TH2I("hTrkltY", "Tracklet Y Residuals", 21, -.33, .33, 100, -.5, .5);
1263 h->GetXaxis()->SetTitle("#tg(#phi)");
1264 h->GetYaxis()->SetTitle("#Delta y [cm]");
1265 h->GetZaxis()->SetTitle("entries");
1268 if(!(h = (TH2I*)gROOT->FindObject("hTrkltYpull"))){
1269 h = new TH2I("hTrkltYpull", "Tracklet Y Pulls", 21, -.33, .33, 100, -4.5, 4.5);
1270 h->GetXaxis()->SetTitle("#tg(#phi)");
1271 h->GetYaxis()->SetTitle("#Delta y/#sigma_{y}");
1272 h->GetZaxis()->SetTitle("entries");
1275 // tracklet to track residuals/pulls in z direction
1276 if(!(h = (TH2I*)gROOT->FindObject("hTrkltZ"))){
1277 h = new TH2I("hTrkltZ", "Tracklet Z Residuals", 50, -1., 1., 100, -1.5, 1.5);
1278 h->GetXaxis()->SetTitle("#tg(#theta)");
1279 h->GetYaxis()->SetTitle("#Delta z [cm]");
1280 h->GetZaxis()->SetTitle("entries");
1283 if(!(h = (TH2I*)gROOT->FindObject("hTrkltZpull"))){
1284 h = new TH2I("hTrkltZpull", "Tracklet Z Pulls", 50, -1., 1., 100, -5.5, 5.5);
1285 h->GetXaxis()->SetTitle("#tg(#theta)");
1286 h->GetYaxis()->SetTitle("#Delta z/#sigma_{z}");
1287 h->GetZaxis()->SetTitle("entries");
1290 // tracklet to track phi residuals
1291 if(!(h = (TH2I*)gROOT->FindObject("hTrkltPhi"))){
1292 h = new TH2I("hTrkltPhi", "Tracklet #phi Residuals", 21, -.33, .33, 100, -.5, .5);
1293 h->GetXaxis()->SetTitle("tg(#phi)");
1294 h->GetYaxis()->SetTitle("#Delta phi [rad]");
1295 h->GetZaxis()->SetTitle("entries");
1300 // tracklet to TPC track residuals/pulls in y direction
1301 fContainer->AddAt(arr = new TObjArray(fNElements[kTrackTPC]), kTrackTPC);
1302 arr->SetName("TrkTPC");
1303 if(!(h = (TH2I*)gROOT->FindObject("hTrkTPCY"))){
1304 h = new TH2I("hTrkTPCY", "Track[TPC] Y Residuals", 21, -.33, .33, 100, -.5, .5);
1305 h->GetXaxis()->SetTitle("#tg(#phi)");
1306 h->GetYaxis()->SetTitle("#Delta y [cm]");
1307 h->GetZaxis()->SetTitle("entries");
1310 if(!(h = (TH2I*)gROOT->FindObject("hTrkTPCYpull"))){
1311 h = new TH2I("hTrkTPCYpull", "Track[TPC] Y Pulls", 21, -.33, .33, 100, -4.5, 4.5);
1312 h->GetXaxis()->SetTitle("#tg(#phi)");
1313 h->GetYaxis()->SetTitle("#Delta y/#sigma_{y}");
1314 h->GetZaxis()->SetTitle("entries");
1317 // tracklet to TPC track residuals/pulls in z direction
1318 if(!(h = (TH2I*)gROOT->FindObject("hTrkTPCZ"))){
1319 h = new TH2I("hTrkTPCZ", "Track[TPC] Z Residuals", 50, -1., 1., 100, -1.5, 1.5);
1320 h->GetXaxis()->SetTitle("#tg(#theta)");
1321 h->GetYaxis()->SetTitle("#Delta z [cm]");
1322 h->GetZaxis()->SetTitle("entries");
1325 if(!(h = (TH2I*)gROOT->FindObject("hTrkTPCZpull"))){
1326 h = new TH2I("hTrkTPCZpull", "Track[TPC] Z Pulls", 50, -1., 1., 100, -5.5, 5.5);
1327 h->GetXaxis()->SetTitle("#tg(#theta)");
1328 h->GetYaxis()->SetTitle("#Delta z/#sigma_{z}");
1329 h->GetZaxis()->SetTitle("entries");
1332 // tracklet to TPC track phi residuals
1333 if(!(h = (TH2I*)gROOT->FindObject("hTrkTPCPhi"))){
1334 h = new TH2I("hTrkTPCPhi", "Track[TPC] #phi Residuals", 21, -.33, .33, 100, -.5, .5);
1335 h->GetXaxis()->SetTitle("tg(#phi)");
1336 h->GetYaxis()->SetTitle("#Delta phi [rad]");
1337 h->GetZaxis()->SetTitle("entries");
1342 // Resolution histos
1343 if(!HasMCdata()) return fContainer;
1345 // cluster y resolution [0]
1346 fContainer->AddAt(arr = new TObjArray(fNElements[kMCcluster]), kMCcluster);
1347 arr->SetName("McCl");
1348 if(!(h = (TH2I*)gROOT->FindObject("hMcCl"))){
1349 h = new TH2I("hMcCl", "Cluster Resolution", 48, -.48, .48, 100, -.3, .3);
1350 h->GetXaxis()->SetTitle("tg(#phi)");
1351 h->GetYaxis()->SetTitle("#Delta y [cm]");
1352 h->GetZaxis()->SetTitle("entries");
1355 if(!(h = (TH2I*)gROOT->FindObject("hMcClPull"))){
1356 h = new TH2I("hMcClPull", "Cluster Pulls", 48, -.48, .48, 100, -4.5, 4.5);
1357 h->GetXaxis()->SetTitle("tg(#phi)");
1358 h->GetYaxis()->SetTitle("#Deltay/#sigma_{y}");
1359 h->GetZaxis()->SetTitle("entries");
1364 // TRACKLET RESOLUTION
1365 fContainer->AddAt(arr = new TObjArray(fNElements[kMCtracklet]), kMCtracklet);
1366 arr->SetName("McTrklt");
1367 // tracklet y resolution
1368 if(!(h = (TH2I*)gROOT->FindObject("hMcTrkltY"))){
1369 h = new TH2I("hMcTrkltY", "Tracklet Resolution (Y)", 48, -.48, .48, 100, -.2, .2);
1370 h->GetXaxis()->SetTitle("tg(#phi)");
1371 h->GetYaxis()->SetTitle("#Delta y [cm]");
1372 h->GetZaxis()->SetTitle("entries");
1376 if(!(h = (TH2I*)gROOT->FindObject("hMcTrkltYPull"))){
1377 h = new TH2I("hMcTrkltYPull", "Tracklet Pulls (Y)", 48, -.48, .48, 100, -4.5, 4.5);
1378 h->GetXaxis()->SetTitle("tg(#phi)");
1379 h->GetYaxis()->SetTitle("#Delta y / #sigma_{y}");
1380 h->GetZaxis()->SetTitle("entries");
1383 // tracklet z resolution
1384 if(!(h = (TH2I*)gROOT->FindObject("hMcTrkltZ"))){
1385 h = new TH2I("hMcTrkltZ", "Tracklet Resolution (Z)", 100, -1., 1., 100, -1., 1.);
1386 h->GetXaxis()->SetTitle("tg(#theta)");
1387 h->GetYaxis()->SetTitle("#Delta z [cm]");
1388 h->GetZaxis()->SetTitle("entries");
1392 if(!(h = (TH2I*)gROOT->FindObject("hMcTrkltZPull"))){
1393 h = new TH2I("hMcTrkltZPull", "Tracklet Pulls (Z)", 100, -1., 1., 100, -3.5, 3.5);
1394 h->GetXaxis()->SetTitle("tg(#theta)");
1395 h->GetYaxis()->SetTitle("#Delta z / #sigma_{z}");
1396 h->GetZaxis()->SetTitle("entries");
1399 // tracklet phi resolution
1400 if(!(h = (TH2I*)gROOT->FindObject("hMcTrkltPhi"))){
1401 h = new TH2I("hMcTrkltPhi", "Tracklet Resolution (#Phi)", 48, -.48, .48, 100, -.15, .15);
1402 h->GetXaxis()->SetTitle("tg(#phi)");
1403 h->GetYaxis()->SetTitle("#Delta #phi [rad]");
1404 h->GetZaxis()->SetTitle("entries");
1409 // KALMAN TRACK RESOLUTION
1410 fContainer->AddAt(arr = new TObjArray(fNElements[kMCtrackTRD]), kMCtrackTRD);
1411 arr->SetName("McTrkTRD");
1412 // Kalman track y resolution
1413 if(!(h = (TH2I*)gROOT->FindObject("hMcTrkY"))){
1414 h = new TH2I("hMcTrkY", "Track Y Resolution", 48, -.48, .48, 100, -.2, .2);
1415 h->GetXaxis()->SetTitle("tg(#phi)");
1416 h->GetYaxis()->SetTitle("#Delta y [cm]");
1417 h->GetZaxis()->SetTitle("entries");
1420 // Kalman track y pulls
1421 if(!(h = (TH2I*)gROOT->FindObject("hMcTrkYPull"))){
1422 h = new TH2I("hMcTrkYPull", "Track Y Pulls", 48, -.48, .48, 100, -4., 4.);
1423 h->GetXaxis()->SetTitle("tg(#phi)");
1424 h->GetYaxis()->SetTitle("#Delta y / #sigma_{y}");
1425 h->GetZaxis()->SetTitle("entries");
1429 if(!(h = (TH2I*)gROOT->FindObject("hMcTrkZ"))){
1430 h = new TH2I("hMcTrkZ", "Track Z Resolution", 100, -1., 1., 100, -1., 1.);
1431 h->GetXaxis()->SetTitle("tg(#theta)");
1432 h->GetYaxis()->SetTitle("#Delta z [cm]");
1433 h->GetZaxis()->SetTitle("entries");
1436 // Kalman track Z pulls
1437 if(!(h = (TH2I*)gROOT->FindObject("hMcTrkZPull"))){
1438 h = new TH2I("hMcTrkZPull", "Track Z Pulls", 100, -1., 1., 100, -4.5, 4.5);
1439 h->GetXaxis()->SetTitle("tg(#theta)");
1440 h->GetYaxis()->SetTitle("#Delta z / #sigma_{z}");
1441 h->GetZaxis()->SetTitle("entries");
1445 if(!(h = (TH2I*)gROOT->FindObject("hMcTrkSNP"))){
1446 h = new TH2I("hMcTrkSNP", "Track Phi Resolution", 60, -.3, .3, 100, -5e-3, 5e-3);
1447 h->GetXaxis()->SetTitle("tg(#phi)");
1448 h->GetYaxis()->SetTitle("#Delta #phi [rad]");
1449 h->GetZaxis()->SetTitle("entries");
1452 // Kalman track SNP pulls
1453 if(!(h = (TH2I*)gROOT->FindObject("hMcTrkSNPPull"))){
1454 h = new TH2I("hMcTrkSNPPull", "Track SNP Pulls", 60, -.3, .3, 100, -4.5, 4.5);
1455 h->GetXaxis()->SetTitle("tg(#phi)");
1456 h->GetYaxis()->SetTitle("#Delta(sin(#phi)) / #sigma_{sin(#phi)}");
1457 h->GetZaxis()->SetTitle("entries");
1461 if(!(h = (TH2I*)gROOT->FindObject("hMcTrkTGL"))){
1462 h = new TH2I("hMcTrkTGL", "Track Theta Resolution", 100, -1., 1., 100, -5e-3, 5e-3);
1463 h->GetXaxis()->SetTitle("tg(#theta)");
1464 h->GetYaxis()->SetTitle("#Delta#theta [rad]");
1465 h->GetZaxis()->SetTitle("entries");
1468 // Kalman track TGL pulls
1469 if(!(h = (TH2I*)gROOT->FindObject("hMcTrkTGLPull"))){
1470 h = new TH2I("hMcTrkTGLPull", "Track TGL Pulls", 100, -1., 1., 100, -4.5, 4.5);
1471 h->GetXaxis()->SetTitle("tg(#theta)");
1472 h->GetYaxis()->SetTitle("#Delta(tg(#theta)) / #sigma_{tg(#theta)}");
1473 h->GetZaxis()->SetTitle("entries");
1476 // Kalman track Pt resolution
1477 const Int_t n = AliPID::kSPECIES;
1478 TObjArray *arr2 = 0x0; TH3S* h3=0x0;
1479 arr->AddAt(arr2 = new TObjArray(AliTRDgeometry::kNlayer), 8);
1480 arr2->SetName("Track Pt Resolution");
1481 for(Int_t il=0; il<AliTRDgeometry::kNlayer; il++){
1482 if(!(h3 = (TH3S*)gROOT->FindObject(Form("hMcTrkPt%d", il)))){
1483 h3 = new TH3S(Form("hMcTrkPt%d", il), "Track Pt Resolution", 40, 0., 20., 150, -.1, .2, n, -.5, n-.5);
1484 h3->GetXaxis()->SetTitle("p_{t} [GeV/c]");
1485 h3->GetYaxis()->SetTitle("#Delta p_{t}/p_{t}^{MC}");
1486 h3->GetZaxis()->SetTitle("SPECIES");
1488 arr2->AddAt(h3, il);
1490 // Kalman track Pt pulls
1491 arr->AddAt(arr2 = new TObjArray(AliTRDgeometry::kNlayer), 9);
1492 arr2->SetName("Track 1/Pt Pulls");
1493 for(Int_t il=0; il<AliTRDgeometry::kNlayer; il++){
1494 if(!(h3 = (TH3S*)gROOT->FindObject(Form("hMcTrkPtPulls%d", il)))){
1495 h3 = new TH3S(Form("hMcTrkPtPulls%d", il), "Track 1/Pt Pulls", 40, 0., 2., 100, -4., 4., n, -.5, n-.5);
1496 h3->GetXaxis()->SetTitle("1/p_{t}^{MC} [c/GeV]");
1497 h3->GetYaxis()->SetTitle("#Delta(1/p_{t})/#sigma(1/p_{t}) ");
1498 h3->GetZaxis()->SetTitle("SPECIES");
1500 arr2->AddAt(h3, il);
1502 // Kalman track P resolution
1503 arr->AddAt(arr2 = new TObjArray(AliTRDgeometry::kNlayer), 10);
1504 arr2->SetName("Track P Resolution [PID]");
1505 for(Int_t il=0; il<AliTRDgeometry::kNlayer; il++){
1506 if(!(h3 = (TH3S*)gROOT->FindObject(Form("hMcTrkP%d", il)))){
1507 h3 = new TH3S(Form("hMcTrkP%d", il), "Track P Resolution", 40, 0., 20., 150, -.15, .35, n, -.5, n-.5);
1508 h3->GetXaxis()->SetTitle("p [GeV/c]");
1509 h3->GetYaxis()->SetTitle("#Delta p/p^{MC}");
1510 h3->GetZaxis()->SetTitle("SPECIES");
1512 arr2->AddAt(h3, il);
1515 // TPC TRACK RESOLUTION
1516 fContainer->AddAt(arr = new TObjArray(fNElements[kMCtrackTPC]), kMCtrackTPC);
1517 arr->SetName("McTrkTPC");
1519 if(!(h = (TH2I*)gROOT->FindObject("hMcTrkTPCY"))){
1520 h = new TH2I("hMcTrkTPCY", "Track[TPC] Y Resolution", 60, -.3, .3, 100, -.5, .5);
1521 h->GetXaxis()->SetTitle("tg(#phi)");
1522 h->GetYaxis()->SetTitle("#Delta y [cm]");
1523 h->GetZaxis()->SetTitle("entries");
1526 // Kalman track Y pulls
1527 if(!(h = (TH2I*)gROOT->FindObject("hMcTrkTPCYPull"))){
1528 h = new TH2I("hMcTrkTPCYPull", "Track[TPC] Y Pulls", 60, -.3, .3, 100, -4.5, 4.5);
1529 h->GetXaxis()->SetTitle("tg(#phi)");
1530 h->GetYaxis()->SetTitle("#Delta y / #sigma_{y}");
1531 h->GetZaxis()->SetTitle("entries");
1535 if(!(h = (TH2I*)gROOT->FindObject("hMcTrkTPCZ"))){
1536 h = new TH2I("hMcTrkTPCZ", "Track[TPC] Z Resolution", 100, -1., 1., 100, -1., 1.);
1537 h->GetXaxis()->SetTitle("tg(#theta)");
1538 h->GetYaxis()->SetTitle("#Delta z [cm]");
1539 h->GetZaxis()->SetTitle("entries");
1542 // Kalman track Z pulls
1543 if(!(h = (TH2I*)gROOT->FindObject("hMcTrkTPCZPull"))){
1544 h = new TH2I("hMcTrkTPCZPull", "Track[TPC] Z Pulls", 100, -1., 1., 100, -4.5, 4.5);
1545 h->GetXaxis()->SetTitle("tg(#theta)");
1546 h->GetYaxis()->SetTitle("#Delta z / #sigma_{z}");
1547 h->GetZaxis()->SetTitle("entries");
1551 if(!(h = (TH2I*)gROOT->FindObject("hMcTrkTPCSNP"))){
1552 h = new TH2I("hMcTrkTPCSNP", "Track[TPC] Phi Resolution", 60, -.3, .3, 100, -5e-3, 5e-3);
1553 h->GetXaxis()->SetTitle("tg(#phi)");
1554 h->GetYaxis()->SetTitle("#Delta #phi [rad]");
1555 h->GetZaxis()->SetTitle("entries");
1558 // Kalman track SNP pulls
1559 if(!(h = (TH2I*)gROOT->FindObject("hMcTrkTPCSNPPull"))){
1560 h = new TH2I("hMcTrkTPCSNPPull", "Track[TPC] SNP Pulls", 60, -.3, .3, 100, -4.5, 4.5);
1561 h->GetXaxis()->SetTitle("tg(#phi)");
1562 h->GetYaxis()->SetTitle("#Delta(sin(#phi)) / #sigma_{sin(#phi)}");
1563 h->GetZaxis()->SetTitle("entries");
1567 if(!(h = (TH2I*)gROOT->FindObject("hMcTrkTPCTGL"))){
1568 h = new TH2I("hMcTrkTPCTGL", "Track[TPC] Theta Resolution", 100, -1., 1., 100, -5e-3, 5e-3);
1569 h->GetXaxis()->SetTitle("tg(#theta)");
1570 h->GetYaxis()->SetTitle("#Delta#theta [rad]");
1571 h->GetZaxis()->SetTitle("entries");
1574 // Kalman track TGL pulls
1575 if(!(h = (TH2I*)gROOT->FindObject("hMcTrkTPCTGLPull"))){
1576 h = new TH2I("hMcTrkTPCTGLPull", "Track[TPC] TGL Pulls", 100, -1., 1., 100, -4.5, 4.5);
1577 h->GetXaxis()->SetTitle("tg(#theta)");
1578 h->GetYaxis()->SetTitle("#Delta(tg(#theta)) / #sigma_{tg(#theta)}");
1579 h->GetZaxis()->SetTitle("entries");
1582 // Kalman track Pt resolution
1583 if(!(h3 = (TH3S*)gROOT->FindObject("hMcTrkTPCPt"))){
1584 h3 = new TH3S("hMcTrkTPCPt", "Track[TPC] Pt Resolution", 80, 0., 20., 150, -.1, .2, n, -.5, n-.5);
1585 h3->GetXaxis()->SetTitle("p_{t} [GeV/c]");
1586 h3->GetYaxis()->SetTitle("#Delta p_{t}/p_{t}^{MC}");
1587 h3->GetZaxis()->SetTitle("SPECIES");
1590 // Kalman track Pt pulls
1591 if(!(h3 = (TH3S*)gROOT->FindObject("hMcTrkTPCPtPulls"))){
1592 h3 = new TH3S("hMcTrkTPCPtPulls", "Track[TPC] 1/Pt Pulls", 80, 0., 2., 100, -4., 4., n, -.5, n-.5);
1593 h3->GetXaxis()->SetTitle("1/p_{t}^{MC} [c/GeV]");
1594 h3->GetYaxis()->SetTitle("#Delta(1/p_{t})/#sigma(1/p_{t}) ");
1595 h3->GetZaxis()->SetTitle("SPECIES");
1598 // Kalman track P resolution
1599 if(!(h3 = (TH3S*)gROOT->FindObject("hMcTrkTPCP"))){
1600 h3 = new TH3S("hMcTrkTPCP", "Track[TPC] P Resolution", 80, 0., 20., 150, -.15, .35, n, -.5, n-.5);
1601 h3->GetXaxis()->SetTitle("p [GeV/c]");
1602 h3->GetYaxis()->SetTitle("#Delta p/p^{MC}");
1603 h3->GetZaxis()->SetTitle("SPECIES");
1606 // Kalman track Pt pulls
1607 if(!(h3 = (TH3S*)gROOT->FindObject("hMcTrkTPCPPulls"))){
1608 h3 = new TH3S("hMcTrkTPCPPulls", "Track[TPC] P Pulls", 80, 0., 20., 100, -5., 5., n, -.5, n-.5);
1609 h3->GetXaxis()->SetTitle("p^{MC} [GeV/c]");
1610 h3->GetYaxis()->SetTitle("#Deltap/#sigma_{p}");
1611 h3->GetZaxis()->SetTitle("SPECIES");
1617 // Kalman track Z resolution [TOF]
1618 fContainer->AddAt(arr = new TObjArray(fNElements[kMCtrackTOF]), kMCtrackTOF);
1619 arr->SetName("McTrkTOF");
1620 if(!(h = (TH2I*)gROOT->FindObject("hMcTrkTOFZ"))){
1621 h = new TH2I("hMcTrkTOFZ", "Track[TOF] Z Resolution", 100, -1., 1., 100, -1., 1.);
1622 h->GetXaxis()->SetTitle("tg(#theta)");
1623 h->GetYaxis()->SetTitle("#Delta z [cm]");
1624 h->GetZaxis()->SetTitle("entries");
1627 // Kalman track Z pulls
1628 if(!(h = (TH2I*)gROOT->FindObject("hMcTrkTOFZPull"))){
1629 h = new TH2I("hMcTrkTOFZPull", "Track[TOF] Z Pulls", 100, -1., 1., 100, -4.5, 4.5);
1630 h->GetXaxis()->SetTitle("tg(#theta)");
1631 h->GetYaxis()->SetTitle("#Delta z / #sigma_{z}");
1632 h->GetZaxis()->SetTitle("entries");
1639 //________________________________________________________
1640 Bool_t AliTRDresolution::Process(TH2* h2, TF1 *f, Float_t k, TGraphErrors **g)
1642 Char_t pn[10]; sprintf(pn, "p%02d", fIdxPlot);
1644 if((n=g[0]->GetN())) for(;n--;) g[0]->RemovePoint(n);
1645 if((n=g[1]->GetN())) for(;n--;) g[1]->RemovePoint(n);
1647 for(Int_t ibin = 1; ibin <= h2->GetNbinsX(); ibin++){
1648 Double_t x = h2->GetXaxis()->GetBinCenter(ibin);
1649 TH1D *h = h2->ProjectionY(pn, ibin, ibin);
1650 if(h->GetEntries()<100) continue;
1655 Int_t ip = g[0]->GetN();
1656 g[0]->SetPoint(ip, x, k*f->GetParameter(1));
1657 g[0]->SetPointError(ip, 0., k*f->GetParError(1));
1658 g[1]->SetPoint(ip, x, k*f->GetParameter(2));
1659 g[1]->SetPointError(ip, 0., k*f->GetParError(2));
1662 g[0]->SetPoint(ip, x, k*h->GetMean());
1663 g[0]->SetPointError(ip, 0., k*h->GetMeanError());
1664 g[1]->SetPoint(ip, x, k*h->GetRMS());
1665 g[1]->SetPointError(ip, 0., k*h->GetRMSError());*/
1671 //________________________________________________________
1672 Bool_t AliTRDresolution::Process2D(ETRDresolutionPlot plot, Int_t idx, TF1 *f, Float_t k)
1674 if(!fContainer || !fGraphS || !fGraphM) return kFALSE;
1676 // retrive containers
1677 TH2I *h2 = idx<0 ? (TH2I*)(fContainer->At(plot)) : (TH2I*)((TObjArray*)(fContainer->At(plot)))->At(idx);
1678 if(!h2) return kFALSE;
1680 if(!(g[0] = idx<0 ? (TGraphErrors*)fGraphM->At(plot) : (TGraphErrors*)((TObjArray*)(fGraphM->At(plot)))->At(idx))) return kFALSE;
1682 if(!(g[1] = idx<0 ? (TGraphErrors*)fGraphS->At(plot) : (TGraphErrors*)((TObjArray*)(fGraphS->At(plot)))->At(idx))) return kFALSE;
1684 return Process(h2, f, k, g);
1687 //________________________________________________________
1688 Bool_t AliTRDresolution::Process3D(ETRDresolutionPlot plot, Int_t idx, TF1 *f, Float_t k)
1690 if(!fContainer || !fGraphS || !fGraphM) return kFALSE;
1692 // retrive containers
1693 TH3S *h3 = idx<0 ? (TH3S*)(fContainer->At(plot)) : (TH3S*)((TObjArray*)(fContainer->At(plot)))->At(idx);
1694 if(!h3) return kFALSE;
1697 if(!(gm = (TObjArray*)((TObjArray*)(fGraphM->At(plot)))->At(idx))) return kFALSE;
1698 if(!(gs = (TObjArray*)((TObjArray*)(fGraphS->At(plot)))->At(idx))) return kFALSE;
1701 TAxis *az = h3->GetZaxis();
1702 for(Int_t iz=1; iz<=az->GetNbins(); iz++){
1703 if(!(g[0] = (TGraphErrors*)gm->At(iz-1))) return kFALSE;
1704 if(!(g[1] = (TGraphErrors*)gs->At(iz-1))) return kFALSE;
1705 az->SetRange(iz, iz);
1706 if(!Process((TH2*)h3->Project3D("yx"), f, k, g)) return kFALSE;
1712 //________________________________________________________
1713 Bool_t AliTRDresolution::Process3DL(ETRDresolutionPlot plot, Int_t idx, TF1 *f, Float_t k)
1715 if(!fContainer || !fGraphS || !fGraphM) return kFALSE;
1717 // retrive containers
1718 TH3S *h3 = (TH3S*)((TObjArray*)fContainer->At(plot))->At(idx);
1719 if(!h3) return kFALSE;
1721 TGraphAsymmErrors *gm;
1723 if(!(gm = (TGraphAsymmErrors*)((TObjArray*)fGraphM->At(plot))->At(0))) return kFALSE;
1724 if(!(gs = (TGraphErrors*)((TObjArray*)fGraphS->At(plot)))) return kFALSE;
1726 Float_t x, r, mpv, xM, xm;
1727 TAxis *ay = h3->GetYaxis();
1728 for(Int_t iy=1; iy<=h3->GetNbinsY(); iy++){
1729 ay->SetRange(iy, iy);
1730 x = ay->GetBinCenter(iy);
1731 TH2F *h2=(TH2F*)h3->Project3D("zx");
1732 TAxis *ax = h2->GetXaxis();
1733 for(Int_t ix=1; ix<=h2->GetNbinsX(); ix++){
1734 r = ax->GetBinCenter(ix);
1735 TH1D *h1 = h2->ProjectionY("py", ix, ix);
1736 if(h1->Integral()<50) continue;
1739 GetLandauMpvFwhm(f, mpv, xm, xM);
1740 Int_t ip = gm->GetN();
1741 gm->SetPoint(ip, x, k*mpv);
1742 gm->SetPointError(ip, 0., 0., k*xm, k*xM);
1743 gs->SetPoint(ip, r, k*(xM-xm)/mpv);
1744 gs->SetPointError(ip, 0., 0.);
1751 //________________________________________________________
1752 Bool_t AliTRDresolution::Process4D(ETRDresolutionPlot plot, Int_t idx, TF1 *f, Float_t k)
1754 if(!fContainer || !fGraphS || !fGraphM) return kFALSE;
1756 // retrive containers
1757 TObjArray *arr = (TObjArray*)((TObjArray*)(fContainer->At(plot)))->At(idx);
1758 if(!arr) return kFALSE;
1761 TObjArray *gm[2], *gs[2];
1762 if(!(gm[0] = (TObjArray*)((TObjArray*)(fGraphM->At(plot)))->At(idx))) return kFALSE;
1763 if(!(gs[0] = (TObjArray*)((TObjArray*)(fGraphS->At(plot)))->At(idx))) return kFALSE;
1768 for(Int_t ix=0; ix<arr->GetEntriesFast(); ix++){
1769 if(!(h3 = (TH3S*)arr->At(ix))) return kFALSE;
1770 if(!(gm[1] = (TObjArray*)gm[0]->At(ix))) return kFALSE;
1771 if(!(gs[1] = (TObjArray*)gs[0]->At(ix))) return kFALSE;
1772 TAxis *az = h3->GetZaxis();
1773 for(Int_t iz=1; iz<=az->GetNbins(); iz++){
1774 if(!(g[0] = (TGraphErrors*)gm[1]->At(iz-1))) return kFALSE;
1775 if(!(g[1] = (TGraphErrors*)gs[1]->At(iz-1))) return kFALSE;
1776 az->SetRange(iz, iz);
1777 if(!Process((TH2*)h3->Project3D("yx"), f, k, g)) return kFALSE;
1784 //________________________________________________________
1785 Bool_t AliTRDresolution::GetGraphPlot(Float_t *bb, ETRDresolutionPlot ip, Int_t idx)
1787 if(!fGraphS || !fGraphM) return kFALSE;
1788 TGraphErrors *gm = idx<0 ? (TGraphErrors*)fGraphM->At(ip) : (TGraphErrors*)((TObjArray*)(fGraphM->At(ip)))->At(idx);
1789 if(!gm) return kFALSE;
1790 TGraphErrors *gs = idx<0 ? (TGraphErrors*)fGraphS->At(ip) : (TGraphErrors*)((TObjArray*)(fGraphS->At(ip)))->At(idx);
1791 if(!gs) return kFALSE;
1792 gs->Draw("apl"); gm->Draw("pl");
1795 gs->GetPoint(10, x, y);
1796 PutTrendValue(Form("task%02d_idx%d", ip, idx), y, 0);
1798 //printf("bb[%f %f %f %f]\n", bb[0], bb[1], bb[2], bb[3]);
1800 // axis titles look up
1802 for(Int_t jp=0; jp<(Int_t)ip; jp++) nref+=fNElements[jp];
1803 UChar_t jdx = idx<0?0:idx;
1804 for(Int_t jc=0; jc<TMath::Min(jdx,fNElements[ip]-1); jc++) nref++;
1805 Char_t **at = fAxTitle[nref];
1809 ax = gs->GetHistogram()->GetXaxis();
1810 ax->SetRangeUser(bb[0], bb[2]);
1811 ax->SetTitle(*at);ax->CenterTitle();
1813 ax = gs->GetHistogram()->GetYaxis();
1814 ax->SetRangeUser(bb[1], bb[3]);
1815 ax->SetTitleOffset(1.1);
1816 ax->SetTitle(*(++at));ax->CenterTitle();
1819 gax = new TGaxis(bb[2], bb[1], bb[2], bb[3], bb[1], bb[3], 510, "+U");
1820 gax->SetLineColor(kRed);gax->SetLineWidth(2);gax->SetTextColor(kRed);
1821 //gax->SetVertical();
1822 gax->CenterTitle(); gax->SetTitleOffset(.7);
1823 gax->SetTitle(*(++at)); gax->Draw();
1826 TBox *b = new TBox(-.15, bb[1], .15, bb[3]);
1827 b->SetFillStyle(3002);b->SetLineColor(0);
1828 b->SetFillColor(ip<=Int_t(kMCcluster)?kGreen:kBlue);
1834 //________________________________________________________
1835 Bool_t AliTRDresolution::GetGraphTrack(Float_t *bb, Int_t idx, Int_t il)
1837 if(!fGraphS || !fGraphM) return kFALSE;
1839 TGraphErrors *gm = 0x0, *gs = 0x0;
1840 TObjArray *a0 = fGraphS, *a1 = 0x0;
1841 a1 = (TObjArray*)a0->At(kMCtrackTRD); a0 = a1;
1842 a1 = (TObjArray*)a0->At(idx); a0 = a1;
1843 a1 = (TObjArray*)a0->At(il); a0 = a1;
1844 for(Int_t is=0; is<AliPID::kSPECIES; is++){
1845 if(!(gs = (TGraphErrors*)a0->At(is))) return kFALSE;
1846 if(!gs->GetN()) continue;
1847 gs->Draw(is ? "pl" : "apl");
1849 gs = (TGraphErrors*)a0->At(0);
1850 // axis titles look up
1852 for(Int_t jp=0; jp<Int_t(kMCtrackTRD); jp++) nref+=fNElements[jp];
1853 for(Int_t jc=0; jc<idx; jc++) nref++;
1854 Char_t **at = fAxTitle[nref];
1856 TAxis *ax = gs->GetHistogram()->GetXaxis();
1857 ax->SetRangeUser(bb[0], bb[2]);
1858 ax->SetTitle(*at);ax->CenterTitle();
1860 ax = gs->GetHistogram()->GetYaxis();
1861 ax->SetRangeUser(bb[1], bb[3]);
1862 ax->SetTitleOffset(.5);ax->SetTitleSize(.06);
1863 ax->SetTitle(*(++at));ax->CenterTitle();
1866 gax = new TGaxis(bb[2], bb[1], bb[2], bb[3], bb[1], bb[3], 510, "+U");
1867 gax->SetLineColor(kRed);gax->SetLineWidth(2);gax->SetTextColor(kRed);
1868 //gax->SetVertical();
1869 gax->CenterTitle(); gax->SetTitleOffset(.5);gax->SetTitleSize(.06);
1870 gax->SetTitle(*(++at)); gax->Draw();
1874 a1 = (TObjArray*)a0->At(kMCtrackTRD); a0 = a1;
1875 a1 = (TObjArray*)a0->At(idx); a0 = a1;
1876 a1 = (TObjArray*)a0->At(il); a0 = a1;
1877 for(Int_t is=0; is<AliPID::kSPECIES; is++){
1878 if(!(gm = (TGraphErrors*)a0->At(is))) return kFALSE;
1879 if(!gm->GetN()) continue;
1887 //________________________________________________________
1888 Bool_t AliTRDresolution::GetGraphTrackTPC(Float_t *bb, Int_t sel)
1890 if(!fGraphS || !fGraphM) return kFALSE;
1892 TGraphErrors *gm = 0x0, *gs = 0x0;
1893 TObjArray *a0 = fGraphS, *a1 = 0x0;
1894 a1 = (TObjArray*)a0->At(kMCtrackTPC); a0 = a1;
1895 a1 = (TObjArray*)a0->At(sel); a0 = a1;
1896 for(Int_t is=0; is<AliPID::kSPECIES; is++){
1897 if(!(gs = (TGraphErrors*)a0->At(is))) return kFALSE;
1898 if(!gs->GetN()) continue;
1899 gs->Draw(is ? "pl" : "apl");
1901 gs = (TGraphErrors*)a0->At(0);
1902 // axis titles look up
1904 for(Int_t jp=0; jp<Int_t(kMCtrackTPC); jp++) nref+=fNElements[jp];
1905 for(Int_t jc=0; jc<sel; jc++) nref++;
1906 Char_t **at = fAxTitle[nref];
1908 TAxis *ax = gs->GetHistogram()->GetXaxis();
1909 ax->SetRangeUser(bb[0], bb[2]);
1910 ax->SetTitle(*at);ax->CenterTitle();
1912 ax = gs->GetHistogram()->GetYaxis();
1913 ax->SetRangeUser(bb[1], bb[3]);
1914 ax->SetTitleOffset(1.);ax->SetTitleSize(0.05);
1915 ax->SetTitle(*(++at));ax->CenterTitle();
1918 gax = new TGaxis(bb[2], bb[1], bb[2], bb[3], bb[1], bb[3], 510, "+U");
1919 gax->SetLineColor(kRed);gax->SetLineWidth(2);gax->SetTextColor(kRed);
1920 //gax->SetVertical();
1921 gax->CenterTitle(); gax->SetTitleOffset(.7);gax->SetTitleSize(0.05);
1922 gax->SetTitle(*(++at)); gax->Draw();
1926 a1 = (TObjArray*)a0->At(kMCtrackTPC); a0 = a1;
1927 a1 = (TObjArray*)a0->At(sel); a0 = a1;
1928 for(Int_t is=0; is<AliPID::kSPECIES; is++){
1929 if(!(gm = (TGraphErrors*)a0->At(is))) return kFALSE;
1930 if(!gm->GetN()) continue;
1937 //________________________________________________________
1938 void AliTRDresolution::GetLandauMpvFwhm(TF1 *f, Float_t &mpv, Float_t &xm, Float_t &xM)
1940 const Float_t dx = 1.;
1941 mpv = f->GetParameter(1);
1942 Float_t fx, max = f->Eval(mpv);
1945 while((fx = f->Eval(xm))>.5*max){
1954 while((fx = f->Eval(xM))>.5*max) xM += dx;
1958 //________________________________________________________
1959 void AliTRDresolution::SetRecoParam(AliTRDrecoParam *r)
1962 fReconstructor->SetRecoParam(r);