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d73981ad | 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 | /* | |
17 | ||
18 | ||
19 | ||
20 | ||
21 | */ | |
22 | ||
23 | ||
24 | ||
25 | #include "AliExternalComparison.h" | |
26 | #include "AliExternalTrackParam.h" | |
27 | #include "AliTrackReference.h" | |
28 | #include "THnSparse.h" | |
29 | #include "TParticle.h" | |
30 | #include "TMatrix.h" | |
31 | #include "TParticlePDG.h" | |
32 | #include "TParticle.h" | |
33 | #include "TTreeStream.h" | |
34 | #include "TAxis.h" | |
35 | ||
36 | ClassImp(AliExternalComparison) | |
37 | ||
38 | ||
39 | AliExternalComparison::AliExternalComparison() | |
40 | :TNamed(), | |
41 | fResolHistos(0), | |
42 | fPullHistos(0), | |
43 | fRangeMatrix(0), | |
44 | fCutMatrix(0) | |
45 | { | |
46 | // | |
47 | // Default constructor | |
48 | // | |
49 | } | |
50 | ||
51 | ||
52 | AliExternalComparison::AliExternalComparison(const Text_t *name, const Text_t *title) | |
53 | :TNamed(name,title), | |
54 | fResolHistos(0), | |
55 | fPullHistos(0), | |
56 | fRangeMatrix(0), | |
57 | fCutMatrix(0) | |
58 | { | |
59 | // | |
60 | // Non default cosntructor | |
61 | // | |
62 | } | |
63 | ||
16afe866 | 64 | AliExternalComparison::AliExternalComparison(const AliExternalComparison& comp) |
65 | :TNamed(comp.fName,comp.fTitle), | |
66 | fResolHistos(new TObjArray(*(comp.fResolHistos))), | |
67 | fPullHistos(new TObjArray(*(comp.fPullHistos))), | |
68 | fRangeMatrix(new TMatrixD(*(comp.fRangeMatrix))), | |
69 | fCutMatrix(new TMatrixD(*(comp.fCutMatrix))) | |
70 | { | |
71 | // | |
72 | // copy constructor | |
73 | // | |
74 | } | |
75 | ||
76 | AliExternalComparison& AliExternalComparison::operator=(const AliExternalComparison&comp) | |
77 | { | |
78 | // | |
79 | // | |
80 | // | |
81 | SetName(comp.GetName()); | |
82 | SetTitle(comp.GetTitle()); | |
83 | fResolHistos=new TObjArray(*(comp.fResolHistos)); | |
84 | fPullHistos=new TObjArray(*(comp.fPullHistos)); | |
85 | fRangeMatrix=new TMatrixD(*(comp.fRangeMatrix)); | |
86 | fCutMatrix=new TMatrixD(*(comp.fCutMatrix)); | |
87 | return *this; | |
88 | } | |
d73981ad | 89 | |
90 | ||
91 | AliExternalComparison::~AliExternalComparison(){ | |
92 | // | |
93 | // | |
94 | // | |
95 | if (fResolHistos) fResolHistos->Delete(); | |
96 | if (fPullHistos) fPullHistos->Delete(); | |
97 | delete fResolHistos; // resolution histogram | |
98 | delete fPullHistos; // pull histogram | |
99 | delete fRangeMatrix; // range matrix | |
16afe866 | 100 | delete fCutMatrix; // range matrix |
d73981ad | 101 | } |
102 | ||
103 | ||
104 | void AliExternalComparison::Analyze() { | |
105 | // | |
106 | // | |
107 | // | |
108 | } | |
109 | ||
110 | ||
111 | Long64_t AliExternalComparison::Merge(TCollection *li) { | |
112 | // | |
113 | // | |
114 | // | |
115 | TIterator* iter = li->MakeIterator(); | |
116 | AliExternalComparison* comp = 0; | |
117 | TString strName(GetName()); | |
118 | while ((comp = (AliExternalComparison*)iter->Next())) { | |
119 | if (!comp->InheritsFrom(AliExternalComparison::Class())) { | |
120 | return -1; | |
121 | } | |
122 | if (strName.CompareTo(comp->GetName())!=0) return -1; | |
123 | // add histograms here... | |
124 | Add(comp); | |
125 | } | |
126 | return 0; | |
127 | } | |
128 | ||
129 | void AliExternalComparison:: Add(AliExternalComparison*comp){ | |
130 | // | |
131 | // Add comparison object | |
132 | // | |
133 | if (!fResolHistos) return; | |
134 | for (Int_t i=0;i<5;i++){ | |
135 | THnSparse * h0 = (THnSparse*)fResolHistos->At(i); | |
136 | THnSparse * h1 = (THnSparse*)comp->fResolHistos->At(i); | |
137 | if (h0&&h1) h0->Add(h1); | |
138 | h0 = (THnSparse*)fPullHistos->At(i); | |
139 | h1 = (THnSparse*)comp->fPullHistos->At(i); | |
140 | if (h0&&h1) h0->Add(h1); | |
141 | } | |
142 | } | |
143 | ||
144 | ||
145 | ||
146 | void AliExternalComparison::Process(const AliExternalTrackParam *param0, const AliExternalTrackParam *param1){ | |
147 | // | |
148 | // Process- fill histogram with residuals | |
149 | // Tracks has to be in the same local X | |
150 | // | |
d73981ad | 151 | if (!AcceptPair(param0,param1)) return; |
152 | // | |
153 | if (!fResolHistos) MakeHistos(); | |
154 | // | |
d73981ad | 155 | // |
156 | const Double_t *p0 = param0->GetParameter(); | |
157 | const Double_t *p1 = param1->GetParameter(); | |
158 | const Double_t *c0 = param0->GetCovariance(); | |
159 | const Double_t *c1 = param1->GetCovariance(); | |
160 | Double_t xyz[3]; | |
161 | param1->GetXYZ(xyz); | |
162 | // | |
163 | Double_t vec[10]; | |
164 | vec[0] = p1[0]; | |
165 | vec[1] = p1[1]; | |
166 | vec[2] = p1[2]; | |
167 | vec[3] = p1[3]; | |
168 | vec[4] = TMath::Sqrt(TMath::Abs(p1[4]))* ((p1[4]>0)? 1:-1); | |
169 | vec[5] = TMath::Sqrt(xyz[0]*xyz[0]+xyz[1]*xyz[1]); | |
170 | vec[6] = TMath::ATan2(xyz[1],xyz[0]); | |
171 | // | |
172 | // | |
173 | THnSparse * his = 0; | |
174 | // | |
175 | vec[7] = p0[0]-p1[0]; | |
176 | his = (THnSparse*)fResolHistos->At(0); | |
177 | his->Fill(vec); | |
178 | vec[7]=(p0[0]-p1[0])/TMath::Sqrt(c0[0]+c1[0]); | |
179 | his = (THnSparse*)fPullHistos->At(0); | |
180 | his->Fill(vec); | |
181 | // | |
182 | // | |
183 | vec[7] = p0[1]-p1[1]; | |
184 | his = (THnSparse*)fResolHistos->At(1); | |
185 | his->Fill(vec); | |
186 | vec[7]=(p0[1]-p1[1])/TMath::Sqrt(c0[2]+c1[2]); | |
187 | his = (THnSparse*)fPullHistos->At(1); | |
188 | his->Fill(vec); | |
189 | // | |
190 | vec[7] = p0[2]-p1[2]; | |
191 | his = (THnSparse*)fResolHistos->At(2); | |
192 | his->Fill(vec); | |
193 | vec[7]=(p0[2]-p1[2])/TMath::Sqrt(c0[5]+c1[5]); | |
194 | his = (THnSparse*)fPullHistos->At(2); | |
195 | his->Fill(vec); | |
196 | // | |
197 | vec[7] = p0[3]-p1[3]; | |
198 | his = (THnSparse*)fResolHistos->At(3); | |
199 | his->Fill(vec); | |
200 | vec[7]=(p0[3]-p1[3])/TMath::Sqrt(c0[9]+c1[9]); | |
201 | his = (THnSparse*)fPullHistos->At(3); | |
202 | his->Fill(vec); | |
203 | // | |
204 | vec[7] = p0[4]-p1[4]; | |
205 | his = (THnSparse*)fResolHistos->At(4); | |
206 | his->Fill(vec); | |
207 | vec[7]=(p0[4]-p1[4])/TMath::Sqrt(c0[14]+c1[14]); | |
208 | his = (THnSparse*)fPullHistos->At(4); | |
209 | his->Fill(vec); | |
210 | } | |
211 | ||
212 | void AliExternalComparison::Process(const AliExternalTrackParam *param0, TParticle *part){ | |
213 | // | |
214 | // | |
215 | // | |
216 | AliExternalTrackParam *param1 = MakeExternalParam(part); | |
217 | param1->Rotate(param0->GetAlpha()); | |
218 | if (param0&¶m1) Process(param0, param1); | |
219 | } | |
220 | void AliExternalComparison::Process(const AliExternalTrackParam *param0, TParticle *part, const AliTrackReference *ref){ | |
221 | // | |
222 | // | |
223 | // | |
224 | AliExternalTrackParam *param1 = MakeExternalParam(part,ref); | |
225 | param1->Rotate(param0->GetAlpha()); | |
226 | if (param0&¶m1) Process(param0, param1); | |
227 | } | |
228 | ||
229 | THnSparse * AliExternalComparison::GetHisto(Int_t ivar, Int_t type) { | |
230 | // | |
231 | // | |
232 | // | |
233 | if (!fResolHistos) return 0; | |
234 | if (ivar<0 || ivar>4) return 0; | |
235 | if (type==0) return (THnSparse*)fResolHistos->At(ivar); | |
236 | if (type==1) return (THnSparse*)fPullHistos->At(ivar); | |
237 | return 0; | |
238 | } | |
239 | ||
240 | void AliExternalComparison::MakeHistos(){ | |
241 | // | |
242 | // | |
243 | // | |
244 | if (!fRangeMatrix) SetDefaultRange(); | |
245 | TMatrixD & mat = *fRangeMatrix; | |
246 | // | |
247 | Double_t xmin[8], xmax[8]; | |
248 | Double_t xpmin[8], xpmax[8]; | |
249 | Int_t nbins[10]; | |
250 | for (Int_t i=0;i<7;i++){ | |
251 | xmin[i]=mat(i,0); | |
252 | xmax[i]=mat(i,1); | |
253 | xpmin[i]=mat(i,0); | |
254 | xpmax[i]=mat(i,1); | |
255 | nbins[i]=TMath::Nint(mat(i,2)); | |
256 | } | |
257 | // | |
258 | fResolHistos = new TObjArray(5); | |
259 | fPullHistos = new TObjArray(5); | |
260 | // | |
261 | for (Int_t idelta=0;idelta<5;idelta++){ | |
262 | xmin[7]=mat(idelta+7,0); | |
263 | xmax[7]=mat(idelta+7,1); | |
264 | nbins[7]=TMath::Nint(mat(idelta+7,2)); | |
265 | fResolHistos->AddAt(new THnSparseF(Form("Resol%s",GetName()),Form("Resol%s",GetTitle()), | |
266 | 8,nbins,xmin,xmax),idelta); | |
267 | xmin[7]=-10; | |
268 | xmax[7]=10; | |
269 | fPullHistos->AddAt(new THnSparseF(Form("Pull%s",GetName()),Form("Pull%s",GetTitle()), | |
270 | 8,nbins,xmin,xmax),idelta); | |
271 | } | |
272 | // | |
273 | } | |
274 | ||
275 | ||
276 | void AliExternalComparison::SetDefaultRange(Float_t scale,Float_t arm, Int_t nbins){ | |
277 | // | |
278 | // set default binning | |
279 | // scale - define position range | |
280 | // arm - Level arm | |
281 | // Binning: | |
282 | // 7 variables | |
283 | // 5 deltas | |
284 | ||
285 | if (!fRangeMatrix) fRangeMatrix = new TMatrixD(12,3); | |
286 | TMatrixD & mat = *fRangeMatrix; | |
287 | // | |
288 | // variables | |
289 | // | |
290 | mat(0,0)=-50; mat(0,1)=50; mat(0,2)=50; // P0 -y range | |
291 | mat(1,0)=-250; mat(1,1)=250; mat(1,2)=50; // P1 -Z range | |
292 | mat(2,0)=-0.99; mat(2,1)=0.99; mat(2,2)=20; // P2 -snp range | |
293 | mat(3,0)=-1.5; mat(3,1)=1.5; mat(3,2)=20; // P3 -tantheta range | |
294 | mat(4,0)=-3; mat(4,1)=3; mat(4,2)=50; // sqrt(P4) -sqrt(1/pt) range | |
295 | // | |
296 | mat(5,0)= 0; mat(5,1)=250; mat(5,2)=50; // R range | |
16afe866 | 297 | mat(6,0)= -TMath::Pi(); mat(6,1)=TMath::Pi(); mat(6,2)=18*4; // fi range |
d73981ad | 298 | // |
299 | // Resolution | |
300 | // | |
301 | mat(7,0)=-scale; mat(7,1)=scale; mat(7,2)=nbins; // P0 -y range | |
302 | mat(8,0)=-scale; mat(8,1)=scale; mat(8,2)=nbins; // P1 -Z range | |
303 | mat(9,0)=-scale/arm; mat(9,1)=scale/arm; mat(9,2)=nbins; // P2 -snp range | |
304 | mat(10,0)=-scale/arm; mat(10,1)=scale/arm; mat(10,2)=nbins; // P3 -tantheta range | |
305 | mat(11,0)=-1; mat(11,1)=1; mat(11,2)=nbins; // sqrt(P4) -sqrt(1/pt) range | |
306 | // | |
307 | } | |
308 | ||
309 | void AliExternalComparison::SetDefaultCuts(){ | |
310 | // | |
311 | ||
312 | if (!fCutMatrix) fCutMatrix = new TMatrixD(10,1); | |
313 | TMatrixD & mat = *fCutMatrix; | |
314 | // | |
315 | mat(0,0)=10; //dP0 | |
316 | mat(1,0)=20; //dP1 | |
317 | mat(2,0)=0.05; //dP2 | |
318 | mat(3,0)=0.05; //dP3 | |
319 | mat(4,0)=1; //dP4 | |
320 | // | |
321 | mat(5,0)=10; //dnP0 | |
322 | mat(6,0)=50; //dnP1 | |
323 | mat(7,0)=10; //dnP2 | |
324 | mat(8,0)=10; //dnP3 | |
325 | mat(9,0)=10; //dnP4 | |
326 | // | |
327 | } | |
328 | ||
9b25160c | 329 | void AliExternalComparison::SetParameterRange(Int_t param, Float_t min, Float_t max, Int_t nbins){ |
330 | // | |
331 | // | |
332 | // | |
333 | if (!fRangeMatrix) SetDefaultRange(); | |
334 | TMatrixD & mat = *fRangeMatrix; | |
335 | if (param<0) return; | |
336 | if (param>6) return; | |
337 | mat(param,0)=min; mat(param,1)=max; mat(param,2)=nbins; | |
338 | } | |
339 | ||
8a3aca82 | 340 | void AliExternalComparison::SetResolRange(Int_t param, Float_t min, Float_t max, Int_t nbins){ |
341 | // | |
342 | // | |
343 | // | |
344 | if (!fRangeMatrix) SetDefaultRange(); | |
345 | TMatrixD & mat = *fRangeMatrix; | |
346 | if (param<0) return; | |
347 | if (param>4) return; | |
348 | mat(7+param,0)=min; mat(7+param,1)=max; mat(7+param,2)=nbins; | |
349 | } | |
350 | ||
d73981ad | 351 | void AliExternalComparison::SetDistCut(Float_t dP0, Float_t dP1,Float_t dP2,Float_t dP3, Float_t dP4){ |
352 | // | |
353 | // Set diff cuts | |
354 | // | |
355 | if (!fCutMatrix) SetDefaultCuts(); | |
356 | TMatrixD & mat = *fCutMatrix; | |
357 | mat(0,0)=dP0; //dP0 | |
358 | mat(1,0)=dP1; //dP1 | |
359 | mat(2,0)=dP2; //dP2 | |
360 | mat(3,0)=dP3; //dP3 | |
361 | mat(4,0)=dP4; //dP4 | |
362 | ||
363 | ||
364 | } | |
365 | void AliExternalComparison::SetPullDistCut(Float_t dnP0, Float_t dnP1,Float_t dnP2,Float_t dnP3, Float_t dnP4){ | |
366 | // | |
367 | // | |
368 | // | |
369 | if (!fCutMatrix) SetDefaultCuts(); | |
370 | TMatrixD & mat = *fCutMatrix; | |
371 | mat(5,0)=dnP0; //dnP0 | |
372 | mat(6,0)=dnP1; //dnP1 | |
373 | mat(7,0)=dnP2; //dnP2 | |
374 | mat(8,0)=dnP3; //dnP3 | |
375 | mat(9,0)=dnP4; //dnP4 | |
376 | } | |
377 | ||
378 | Bool_t AliExternalComparison::AcceptPair(const AliExternalTrackParam *param0, const AliExternalTrackParam *param1){ | |
379 | // | |
380 | // | |
381 | // | |
382 | Bool_t isOK =kTRUE; | |
383 | if (!fCutMatrix) SetDefaultCuts(); | |
384 | TMatrixD & mat = *fCutMatrix; | |
385 | // | |
386 | const Double_t *p0 = param0->GetParameter(); | |
387 | const Double_t *p1 = param1->GetParameter(); | |
388 | const Double_t *c0 = param0->GetCovariance(); | |
389 | const Double_t *c1 = param1->GetCovariance(); | |
390 | // | |
391 | if (TMath::Abs(p0[0]-p1[0])>mat(0,0)) return kFALSE; | |
392 | if (TMath::Abs(p0[1]-p1[1])>mat(1,0)) return kFALSE; | |
393 | if (TMath::Abs(p0[2]-p1[2])>mat(2,0)) return kFALSE; | |
394 | if (TMath::Abs(p0[3]-p1[3])>mat(3,0)) return kFALSE; | |
395 | if (TMath::Abs(p0[4]-p1[4])>mat(4,0)) return kFALSE; | |
8a3aca82 | 396 | if ((c0[0]+c1[0])<0) return kFALSE; |
397 | if ((c0[2]+c1[2])<0) return kFALSE; | |
398 | if ((c0[5]+c1[5])<0) return kFALSE; | |
399 | if ((c0[9]+c1[9])<0) return kFALSE; | |
400 | if ((c0[14]+c1[14])<0) return kFALSE; | |
401 | ||
d73981ad | 402 | if (TMath::Abs((p0[0]-p1[0])/TMath::Sqrt(c0[0]+c1[0]))>mat(5,0)) return kFALSE; |
403 | if (TMath::Abs((p0[1]-p1[1])/TMath::Sqrt(c0[2]+c1[2]))>mat(6,0)) return kFALSE; | |
404 | if (TMath::Abs((p0[2]-p1[2])/TMath::Sqrt(c0[5]+c1[5]))>mat(7,0)) return kFALSE; | |
405 | if (TMath::Abs((p0[3]-p1[3])/TMath::Sqrt(c0[9]+c1[9]))>mat(8,0)) return kFALSE; | |
406 | if (TMath::Abs((p0[4]-p1[4])/TMath::Sqrt(c0[14]+c1[14]))>mat(9,0)) return kFALSE; | |
407 | return isOK; | |
408 | } | |
409 | ||
410 | ||
411 | AliExternalTrackParam *AliExternalComparison::MakeExternalParam(TParticle *part, const AliTrackReference *ref){ | |
412 | // | |
413 | // make a Kalman track from track reference | |
414 | // | |
415 | Double_t xyz[3]={ref->X(),ref->Y(),ref->Z()}; | |
416 | Double_t pxyz[3]={ref->Px(),ref->Py(),ref->Pz()}; | |
417 | Double_t cv[21]; | |
418 | for (Int_t i=0; i<21;i++) cv[i]=0; | |
419 | if (!part->GetPDG()) return 0; | |
420 | AliExternalTrackParam * param = new AliExternalTrackParam(xyz,pxyz,cv,TMath::Nint(part->GetPDG()->Charge()/3.)); | |
421 | return param; | |
422 | } | |
423 | ||
424 | ||
425 | AliExternalTrackParam * AliExternalComparison::MakeExternalParam(TParticle *part){ | |
426 | // | |
427 | // | |
428 | // | |
429 | Double_t xyz[3]={part->Vx(),part->Vy(),part->Vz()}; | |
430 | Double_t pxyz[3]={part->Px(),part->Py(),part->Pz()}; | |
431 | Double_t cv[21]; | |
432 | for (Int_t i=0; i<21;i++) cv[i]=0; | |
433 | if (!part->GetPDG()) return 0; | |
434 | AliExternalTrackParam * param = new AliExternalTrackParam(xyz,pxyz,cv,TMath::Nint(part->GetPDG()->Charge()/3.)); | |
435 | return param; | |
436 | } | |
437 | ||
438 | ||
439 | ||
440 | ||
441 | void AliExternalComparison::MakeComparisonTree(const char * outname){ | |
442 | // | |
443 | // make a comparison tree | |
444 | // the tree will be written to the file - outname | |
445 | // | |
446 | /* | |
447 | TFile f("comp.root"); | |
448 | AliExternalComparison *comp = (AliExternalComparison*)f.Get("compAlign"); | |
449 | outname="compTree.root"; | |
450 | */ | |
451 | AliExternalComparison *comp = this; | |
452 | TTreeSRedirector *pcstream = new TTreeSRedirector(outname); | |
453 | // | |
454 | THnSparse *his=0; | |
455 | Double_t position[10]; | |
456 | Double_t value; | |
457 | Int_t *bins = new Int_t[10]; | |
458 | // | |
459 | // | |
460 | for (Int_t isPull=0; isPull<2; isPull++){ | |
461 | for (Int_t ires=0;ires<5; ires++){ | |
462 | his = comp->GetHisto(ires,isPull); | |
463 | if (!his) continue; | |
464 | // | |
465 | Int_t ndim = his->GetNdimensions(); | |
466 | // | |
467 | for (Long64_t i = 0; i < his->GetNbins(); ++i) { | |
468 | value = his->GetBinContent(i, bins); | |
469 | for (Int_t idim = 0; idim < ndim; idim++) { | |
470 | position[idim] = his->GetAxis(idim)->GetBinCenter(bins[idim]); | |
471 | } | |
472 | (*pcstream)<<"Resol"<< | |
473 | "isPull="<<isPull<< // normalized error indication | |
474 | "index="<<ires<< // parameter difference index | |
475 | "bincont="<<value<< // bin content | |
476 | "val="<<position[7]<< // parameter difference | |
477 | "p0="<<position[0]<< //P0 | |
478 | "p1="<<position[1]<< //P1 | |
479 | "p2="<<position[2]<< //P2 | |
480 | "p3="<<position[3]<< //P3 | |
481 | "p4="<<position[4]<< //P4 | |
482 | "R="<<position[5]<< //Radius | |
483 | "phi="<<position[6]<< //Radius | |
484 | "\n"; | |
485 | } | |
486 | } | |
487 | } | |
488 | delete pcstream; | |
489 | } |