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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 | ||
a5ade541 | 16 | /* $Id:$ */ |
d73981ad | 17 | |
18 | #include "AliExternalComparison.h" | |
19 | #include "AliExternalTrackParam.h" | |
20 | #include "AliTrackReference.h" | |
21 | #include "THnSparse.h" | |
22 | #include "TParticle.h" | |
23 | #include "TMatrix.h" | |
24 | #include "TParticlePDG.h" | |
25 | #include "TParticle.h" | |
26 | #include "TTreeStream.h" | |
27 | #include "TAxis.h" | |
28 | ||
29 | ClassImp(AliExternalComparison) | |
30 | ||
31 | ||
32 | AliExternalComparison::AliExternalComparison() | |
33 | :TNamed(), | |
34 | fResolHistos(0), | |
35 | fPullHistos(0), | |
36 | fRangeMatrix(0), | |
37 | fCutMatrix(0) | |
38 | { | |
39 | // | |
40 | // Default constructor | |
41 | // | |
42 | } | |
43 | ||
44 | ||
45 | AliExternalComparison::AliExternalComparison(const Text_t *name, const Text_t *title) | |
46 | :TNamed(name,title), | |
47 | fResolHistos(0), | |
48 | fPullHistos(0), | |
49 | fRangeMatrix(0), | |
50 | fCutMatrix(0) | |
51 | { | |
52 | // | |
53 | // Non default cosntructor | |
54 | // | |
55 | } | |
56 | ||
16afe866 | 57 | AliExternalComparison::AliExternalComparison(const AliExternalComparison& comp) |
a5ade541 | 58 | :TNamed(comp), |
16afe866 | 59 | fResolHistos(new TObjArray(*(comp.fResolHistos))), |
60 | fPullHistos(new TObjArray(*(comp.fPullHistos))), | |
61 | fRangeMatrix(new TMatrixD(*(comp.fRangeMatrix))), | |
62 | fCutMatrix(new TMatrixD(*(comp.fCutMatrix))) | |
63 | { | |
64 | // | |
65 | // copy constructor | |
66 | // | |
67 | } | |
68 | ||
a5ade541 | 69 | AliExternalComparison& AliExternalComparison::operator=(const AliExternalComparison& comp) |
16afe866 | 70 | { |
71 | // | |
72 | // | |
73 | // | |
a5ade541 | 74 | if(this != &comp) { |
75 | TNamed::operator=(comp); | |
76 | fResolHistos=new TObjArray(*(comp.fResolHistos)); | |
77 | fPullHistos=new TObjArray(*(comp.fPullHistos)); | |
78 | fRangeMatrix=new TMatrixD(*(comp.fRangeMatrix)); | |
79 | fCutMatrix=new TMatrixD(*(comp.fCutMatrix)); | |
80 | } | |
16afe866 | 81 | return *this; |
82 | } | |
d73981ad | 83 | |
84 | ||
85 | AliExternalComparison::~AliExternalComparison(){ | |
86 | // | |
87 | // | |
88 | // | |
89 | if (fResolHistos) fResolHistos->Delete(); | |
90 | if (fPullHistos) fPullHistos->Delete(); | |
91 | delete fResolHistos; // resolution histogram | |
92 | delete fPullHistos; // pull histogram | |
93 | delete fRangeMatrix; // range matrix | |
16afe866 | 94 | delete fCutMatrix; // range matrix |
d73981ad | 95 | } |
96 | ||
97 | ||
98 | void AliExternalComparison::Analyze() { | |
99 | // | |
100 | // | |
101 | // | |
102 | } | |
103 | ||
104 | ||
a5ade541 | 105 | Long64_t AliExternalComparison::Merge(TCollection *const li) { |
d73981ad | 106 | // |
107 | // | |
108 | // | |
109 | TIterator* iter = li->MakeIterator(); | |
110 | AliExternalComparison* comp = 0; | |
111 | TString strName(GetName()); | |
112 | while ((comp = (AliExternalComparison*)iter->Next())) { | |
113 | if (!comp->InheritsFrom(AliExternalComparison::Class())) { | |
114 | return -1; | |
115 | } | |
116 | if (strName.CompareTo(comp->GetName())!=0) return -1; | |
117 | // add histograms here... | |
118 | Add(comp); | |
119 | } | |
120 | return 0; | |
121 | } | |
122 | ||
a5ade541 | 123 | void AliExternalComparison::Add(AliExternalComparison *const comp){ |
d73981ad | 124 | // |
125 | // Add comparison object | |
126 | // | |
127 | if (!fResolHistos) return; | |
128 | for (Int_t i=0;i<5;i++){ | |
129 | THnSparse * h0 = (THnSparse*)fResolHistos->At(i); | |
130 | THnSparse * h1 = (THnSparse*)comp->fResolHistos->At(i); | |
131 | if (h0&&h1) h0->Add(h1); | |
132 | h0 = (THnSparse*)fPullHistos->At(i); | |
133 | h1 = (THnSparse*)comp->fPullHistos->At(i); | |
134 | if (h0&&h1) h0->Add(h1); | |
135 | } | |
136 | } | |
137 | ||
138 | ||
139 | ||
140 | void AliExternalComparison::Process(const AliExternalTrackParam *param0, const AliExternalTrackParam *param1){ | |
141 | // | |
142 | // Process- fill histogram with residuals | |
143 | // Tracks has to be in the same local X | |
144 | // | |
d73981ad | 145 | if (!AcceptPair(param0,param1)) return; |
146 | // | |
147 | if (!fResolHistos) MakeHistos(); | |
148 | // | |
d73981ad | 149 | // |
150 | const Double_t *p0 = param0->GetParameter(); | |
151 | const Double_t *p1 = param1->GetParameter(); | |
152 | const Double_t *c0 = param0->GetCovariance(); | |
153 | const Double_t *c1 = param1->GetCovariance(); | |
154 | Double_t xyz[3]; | |
155 | param1->GetXYZ(xyz); | |
156 | // | |
157 | Double_t vec[10]; | |
158 | vec[0] = p1[0]; | |
159 | vec[1] = p1[1]; | |
160 | vec[2] = p1[2]; | |
161 | vec[3] = p1[3]; | |
162 | vec[4] = TMath::Sqrt(TMath::Abs(p1[4]))* ((p1[4]>0)? 1:-1); | |
163 | vec[5] = TMath::Sqrt(xyz[0]*xyz[0]+xyz[1]*xyz[1]); | |
164 | vec[6] = TMath::ATan2(xyz[1],xyz[0]); | |
165 | // | |
166 | // | |
167 | THnSparse * his = 0; | |
168 | // | |
169 | vec[7] = p0[0]-p1[0]; | |
170 | his = (THnSparse*)fResolHistos->At(0); | |
171 | his->Fill(vec); | |
172 | vec[7]=(p0[0]-p1[0])/TMath::Sqrt(c0[0]+c1[0]); | |
173 | his = (THnSparse*)fPullHistos->At(0); | |
174 | his->Fill(vec); | |
175 | // | |
176 | // | |
177 | vec[7] = p0[1]-p1[1]; | |
178 | his = (THnSparse*)fResolHistos->At(1); | |
179 | his->Fill(vec); | |
180 | vec[7]=(p0[1]-p1[1])/TMath::Sqrt(c0[2]+c1[2]); | |
181 | his = (THnSparse*)fPullHistos->At(1); | |
182 | his->Fill(vec); | |
183 | // | |
184 | vec[7] = p0[2]-p1[2]; | |
185 | his = (THnSparse*)fResolHistos->At(2); | |
186 | his->Fill(vec); | |
187 | vec[7]=(p0[2]-p1[2])/TMath::Sqrt(c0[5]+c1[5]); | |
188 | his = (THnSparse*)fPullHistos->At(2); | |
189 | his->Fill(vec); | |
190 | // | |
191 | vec[7] = p0[3]-p1[3]; | |
192 | his = (THnSparse*)fResolHistos->At(3); | |
193 | his->Fill(vec); | |
194 | vec[7]=(p0[3]-p1[3])/TMath::Sqrt(c0[9]+c1[9]); | |
195 | his = (THnSparse*)fPullHistos->At(3); | |
196 | his->Fill(vec); | |
197 | // | |
198 | vec[7] = p0[4]-p1[4]; | |
199 | his = (THnSparse*)fResolHistos->At(4); | |
200 | his->Fill(vec); | |
201 | vec[7]=(p0[4]-p1[4])/TMath::Sqrt(c0[14]+c1[14]); | |
202 | his = (THnSparse*)fPullHistos->At(4); | |
203 | his->Fill(vec); | |
204 | } | |
205 | ||
206 | void AliExternalComparison::Process(const AliExternalTrackParam *param0, TParticle *part){ | |
207 | // | |
208 | // | |
209 | // | |
210 | AliExternalTrackParam *param1 = MakeExternalParam(part); | |
211 | param1->Rotate(param0->GetAlpha()); | |
212 | if (param0&¶m1) Process(param0, param1); | |
213 | } | |
214 | void AliExternalComparison::Process(const AliExternalTrackParam *param0, TParticle *part, const AliTrackReference *ref){ | |
215 | // | |
216 | // | |
217 | // | |
218 | AliExternalTrackParam *param1 = MakeExternalParam(part,ref); | |
219 | param1->Rotate(param0->GetAlpha()); | |
220 | if (param0&¶m1) Process(param0, param1); | |
221 | } | |
222 | ||
223 | THnSparse * AliExternalComparison::GetHisto(Int_t ivar, Int_t type) { | |
224 | // | |
225 | // | |
226 | // | |
227 | if (!fResolHistos) return 0; | |
228 | if (ivar<0 || ivar>4) return 0; | |
229 | if (type==0) return (THnSparse*)fResolHistos->At(ivar); | |
230 | if (type==1) return (THnSparse*)fPullHistos->At(ivar); | |
231 | return 0; | |
232 | } | |
233 | ||
234 | void AliExternalComparison::MakeHistos(){ | |
235 | // | |
236 | // | |
237 | // | |
238 | if (!fRangeMatrix) SetDefaultRange(); | |
239 | TMatrixD & mat = *fRangeMatrix; | |
240 | // | |
241 | Double_t xmin[8], xmax[8]; | |
242 | Double_t xpmin[8], xpmax[8]; | |
243 | Int_t nbins[10]; | |
244 | for (Int_t i=0;i<7;i++){ | |
245 | xmin[i]=mat(i,0); | |
246 | xmax[i]=mat(i,1); | |
247 | xpmin[i]=mat(i,0); | |
248 | xpmax[i]=mat(i,1); | |
249 | nbins[i]=TMath::Nint(mat(i,2)); | |
250 | } | |
251 | // | |
252 | fResolHistos = new TObjArray(5); | |
253 | fPullHistos = new TObjArray(5); | |
254 | // | |
255 | for (Int_t idelta=0;idelta<5;idelta++){ | |
256 | xmin[7]=mat(idelta+7,0); | |
257 | xmax[7]=mat(idelta+7,1); | |
258 | nbins[7]=TMath::Nint(mat(idelta+7,2)); | |
259 | fResolHistos->AddAt(new THnSparseF(Form("Resol%s",GetName()),Form("Resol%s",GetTitle()), | |
260 | 8,nbins,xmin,xmax),idelta); | |
261 | xmin[7]=-10; | |
262 | xmax[7]=10; | |
263 | fPullHistos->AddAt(new THnSparseF(Form("Pull%s",GetName()),Form("Pull%s",GetTitle()), | |
264 | 8,nbins,xmin,xmax),idelta); | |
265 | } | |
266 | // | |
267 | } | |
268 | ||
269 | ||
270 | void AliExternalComparison::SetDefaultRange(Float_t scale,Float_t arm, Int_t nbins){ | |
271 | // | |
272 | // set default binning | |
273 | // scale - define position range | |
274 | // arm - Level arm | |
275 | // Binning: | |
276 | // 7 variables | |
277 | // 5 deltas | |
278 | ||
279 | if (!fRangeMatrix) fRangeMatrix = new TMatrixD(12,3); | |
280 | TMatrixD & mat = *fRangeMatrix; | |
281 | // | |
282 | // variables | |
283 | // | |
284 | mat(0,0)=-50; mat(0,1)=50; mat(0,2)=50; // P0 -y range | |
285 | mat(1,0)=-250; mat(1,1)=250; mat(1,2)=50; // P1 -Z range | |
286 | mat(2,0)=-0.99; mat(2,1)=0.99; mat(2,2)=20; // P2 -snp range | |
287 | mat(3,0)=-1.5; mat(3,1)=1.5; mat(3,2)=20; // P3 -tantheta range | |
288 | mat(4,0)=-3; mat(4,1)=3; mat(4,2)=50; // sqrt(P4) -sqrt(1/pt) range | |
289 | // | |
290 | mat(5,0)= 0; mat(5,1)=250; mat(5,2)=50; // R range | |
16afe866 | 291 | mat(6,0)= -TMath::Pi(); mat(6,1)=TMath::Pi(); mat(6,2)=18*4; // fi range |
d73981ad | 292 | // |
293 | // Resolution | |
294 | // | |
295 | mat(7,0)=-scale; mat(7,1)=scale; mat(7,2)=nbins; // P0 -y range | |
296 | mat(8,0)=-scale; mat(8,1)=scale; mat(8,2)=nbins; // P1 -Z range | |
297 | mat(9,0)=-scale/arm; mat(9,1)=scale/arm; mat(9,2)=nbins; // P2 -snp range | |
298 | mat(10,0)=-scale/arm; mat(10,1)=scale/arm; mat(10,2)=nbins; // P3 -tantheta range | |
299 | mat(11,0)=-1; mat(11,1)=1; mat(11,2)=nbins; // sqrt(P4) -sqrt(1/pt) range | |
300 | // | |
301 | } | |
302 | ||
303 | void AliExternalComparison::SetDefaultCuts(){ | |
304 | // | |
305 | ||
306 | if (!fCutMatrix) fCutMatrix = new TMatrixD(10,1); | |
307 | TMatrixD & mat = *fCutMatrix; | |
308 | // | |
309 | mat(0,0)=10; //dP0 | |
310 | mat(1,0)=20; //dP1 | |
311 | mat(2,0)=0.05; //dP2 | |
312 | mat(3,0)=0.05; //dP3 | |
313 | mat(4,0)=1; //dP4 | |
314 | // | |
315 | mat(5,0)=10; //dnP0 | |
316 | mat(6,0)=50; //dnP1 | |
317 | mat(7,0)=10; //dnP2 | |
318 | mat(8,0)=10; //dnP3 | |
319 | mat(9,0)=10; //dnP4 | |
320 | // | |
321 | } | |
322 | ||
9b25160c | 323 | void AliExternalComparison::SetParameterRange(Int_t param, Float_t min, Float_t max, Int_t nbins){ |
324 | // | |
325 | // | |
326 | // | |
327 | if (!fRangeMatrix) SetDefaultRange(); | |
328 | TMatrixD & mat = *fRangeMatrix; | |
329 | if (param<0) return; | |
330 | if (param>6) return; | |
331 | mat(param,0)=min; mat(param,1)=max; mat(param,2)=nbins; | |
332 | } | |
333 | ||
8a3aca82 | 334 | void AliExternalComparison::SetResolRange(Int_t param, Float_t min, Float_t max, Int_t nbins){ |
335 | // | |
336 | // | |
337 | // | |
338 | if (!fRangeMatrix) SetDefaultRange(); | |
339 | TMatrixD & mat = *fRangeMatrix; | |
340 | if (param<0) return; | |
341 | if (param>4) return; | |
342 | mat(7+param,0)=min; mat(7+param,1)=max; mat(7+param,2)=nbins; | |
343 | } | |
344 | ||
d73981ad | 345 | void AliExternalComparison::SetDistCut(Float_t dP0, Float_t dP1,Float_t dP2,Float_t dP3, Float_t dP4){ |
346 | // | |
347 | // Set diff cuts | |
348 | // | |
349 | if (!fCutMatrix) SetDefaultCuts(); | |
350 | TMatrixD & mat = *fCutMatrix; | |
351 | mat(0,0)=dP0; //dP0 | |
352 | mat(1,0)=dP1; //dP1 | |
353 | mat(2,0)=dP2; //dP2 | |
354 | mat(3,0)=dP3; //dP3 | |
355 | mat(4,0)=dP4; //dP4 | |
356 | ||
357 | ||
358 | } | |
359 | void AliExternalComparison::SetPullDistCut(Float_t dnP0, Float_t dnP1,Float_t dnP2,Float_t dnP3, Float_t dnP4){ | |
360 | // | |
361 | // | |
362 | // | |
363 | if (!fCutMatrix) SetDefaultCuts(); | |
364 | TMatrixD & mat = *fCutMatrix; | |
365 | mat(5,0)=dnP0; //dnP0 | |
366 | mat(6,0)=dnP1; //dnP1 | |
367 | mat(7,0)=dnP2; //dnP2 | |
368 | mat(8,0)=dnP3; //dnP3 | |
369 | mat(9,0)=dnP4; //dnP4 | |
370 | } | |
371 | ||
372 | Bool_t AliExternalComparison::AcceptPair(const AliExternalTrackParam *param0, const AliExternalTrackParam *param1){ | |
373 | // | |
374 | // | |
375 | // | |
376 | Bool_t isOK =kTRUE; | |
377 | if (!fCutMatrix) SetDefaultCuts(); | |
378 | TMatrixD & mat = *fCutMatrix; | |
379 | // | |
380 | const Double_t *p0 = param0->GetParameter(); | |
381 | const Double_t *p1 = param1->GetParameter(); | |
382 | const Double_t *c0 = param0->GetCovariance(); | |
383 | const Double_t *c1 = param1->GetCovariance(); | |
384 | // | |
385 | if (TMath::Abs(p0[0]-p1[0])>mat(0,0)) return kFALSE; | |
386 | if (TMath::Abs(p0[1]-p1[1])>mat(1,0)) return kFALSE; | |
387 | if (TMath::Abs(p0[2]-p1[2])>mat(2,0)) return kFALSE; | |
388 | if (TMath::Abs(p0[3]-p1[3])>mat(3,0)) return kFALSE; | |
389 | if (TMath::Abs(p0[4]-p1[4])>mat(4,0)) return kFALSE; | |
8a3aca82 | 390 | if ((c0[0]+c1[0])<0) return kFALSE; |
391 | if ((c0[2]+c1[2])<0) return kFALSE; | |
392 | if ((c0[5]+c1[5])<0) return kFALSE; | |
393 | if ((c0[9]+c1[9])<0) return kFALSE; | |
394 | if ((c0[14]+c1[14])<0) return kFALSE; | |
395 | ||
d73981ad | 396 | if (TMath::Abs((p0[0]-p1[0])/TMath::Sqrt(c0[0]+c1[0]))>mat(5,0)) return kFALSE; |
397 | if (TMath::Abs((p0[1]-p1[1])/TMath::Sqrt(c0[2]+c1[2]))>mat(6,0)) return kFALSE; | |
398 | if (TMath::Abs((p0[2]-p1[2])/TMath::Sqrt(c0[5]+c1[5]))>mat(7,0)) return kFALSE; | |
399 | if (TMath::Abs((p0[3]-p1[3])/TMath::Sqrt(c0[9]+c1[9]))>mat(8,0)) return kFALSE; | |
400 | if (TMath::Abs((p0[4]-p1[4])/TMath::Sqrt(c0[14]+c1[14]))>mat(9,0)) return kFALSE; | |
401 | return isOK; | |
402 | } | |
403 | ||
404 | ||
405 | AliExternalTrackParam *AliExternalComparison::MakeExternalParam(TParticle *part, const AliTrackReference *ref){ | |
406 | // | |
407 | // make a Kalman track from track reference | |
408 | // | |
409 | Double_t xyz[3]={ref->X(),ref->Y(),ref->Z()}; | |
410 | Double_t pxyz[3]={ref->Px(),ref->Py(),ref->Pz()}; | |
411 | Double_t cv[21]; | |
412 | for (Int_t i=0; i<21;i++) cv[i]=0; | |
413 | if (!part->GetPDG()) return 0; | |
414 | AliExternalTrackParam * param = new AliExternalTrackParam(xyz,pxyz,cv,TMath::Nint(part->GetPDG()->Charge()/3.)); | |
415 | return param; | |
416 | } | |
417 | ||
418 | ||
419 | AliExternalTrackParam * AliExternalComparison::MakeExternalParam(TParticle *part){ | |
420 | // | |
421 | // | |
422 | // | |
423 | Double_t xyz[3]={part->Vx(),part->Vy(),part->Vz()}; | |
424 | Double_t pxyz[3]={part->Px(),part->Py(),part->Pz()}; | |
425 | Double_t cv[21]; | |
426 | for (Int_t i=0; i<21;i++) cv[i]=0; | |
427 | if (!part->GetPDG()) return 0; | |
428 | AliExternalTrackParam * param = new AliExternalTrackParam(xyz,pxyz,cv,TMath::Nint(part->GetPDG()->Charge()/3.)); | |
429 | return param; | |
430 | } | |
431 | ||
432 | ||
433 | ||
434 | ||
435 | void AliExternalComparison::MakeComparisonTree(const char * outname){ | |
436 | // | |
437 | // make a comparison tree | |
438 | // the tree will be written to the file - outname | |
439 | // | |
440 | /* | |
441 | TFile f("comp.root"); | |
442 | AliExternalComparison *comp = (AliExternalComparison*)f.Get("compAlign"); | |
443 | outname="compTree.root"; | |
444 | */ | |
445 | AliExternalComparison *comp = this; | |
446 | TTreeSRedirector *pcstream = new TTreeSRedirector(outname); | |
447 | // | |
448 | THnSparse *his=0; | |
449 | Double_t position[10]; | |
450 | Double_t value; | |
451 | Int_t *bins = new Int_t[10]; | |
452 | // | |
453 | // | |
454 | for (Int_t isPull=0; isPull<2; isPull++){ | |
455 | for (Int_t ires=0;ires<5; ires++){ | |
456 | his = comp->GetHisto(ires,isPull); | |
457 | if (!his) continue; | |
458 | // | |
459 | Int_t ndim = his->GetNdimensions(); | |
460 | // | |
461 | for (Long64_t i = 0; i < his->GetNbins(); ++i) { | |
462 | value = his->GetBinContent(i, bins); | |
463 | for (Int_t idim = 0; idim < ndim; idim++) { | |
464 | position[idim] = his->GetAxis(idim)->GetBinCenter(bins[idim]); | |
465 | } | |
466 | (*pcstream)<<"Resol"<< | |
467 | "isPull="<<isPull<< // normalized error indication | |
468 | "index="<<ires<< // parameter difference index | |
469 | "bincont="<<value<< // bin content | |
470 | "val="<<position[7]<< // parameter difference | |
471 | "p0="<<position[0]<< //P0 | |
472 | "p1="<<position[1]<< //P1 | |
473 | "p2="<<position[2]<< //P2 | |
474 | "p3="<<position[3]<< //P3 | |
475 | "p4="<<position[4]<< //P4 | |
476 | "R="<<position[5]<< //Radius | |
477 | "phi="<<position[6]<< //Radius | |
478 | "\n"; | |
479 | } | |
480 | } | |
481 | } | |
482 | delete pcstream; | |
483 | } |