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Coverity fix for uninitialized variables and check for returned null value
[u/mrichter/AliRoot.git] / MUON / AliMUONSurveyObj.cxx
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ba8b0266 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/// \class AliMUONSurveyObj
18/// Base class for the survey processing of the ALICE DiMuon spectrometer
19///
20/// This base object provides methods to process the survey+photogrammetry
21/// data of the Chambers (frames) and Detection Elements of the DiMuon
22/// Spectrometer and calculate their misalignments.
23///
24/// \author Javier Castillo
25//-----------------------------------------------------------------------------
26
27#include <fstream>
28
29#include "TMath.h"
30#include "TVector3.h"
31#include "TGeoMatrix.h"
32#include "TFitter.h"
33#include "TMinuit.h"
34#include "TString.h"
35#include "TH2.h"
36#include "TF2.h"
37#include "TGraph2DErrors.h"
38#include "TArrayD.h"
39
40#include "AliLog.h"
41#include "AliSurveyPoint.h"
42
43#include "AliMUONSurveyObj.h"
44#include "AliMUONSurveyUtil.h"
45
46void SurveyFcn(int &npar, double *g, double &f, double *par, int iflag);
47
48/// \cond CLASSIMP
49ClassImp(AliMUONSurveyObj)
50/// \endcond
51
52AliMUONSurveyObj::AliMUONSurveyObj()
53 : TObject()
54 , fSTargets(0x0)
55 , fGBTargets(0x0)
56 , fLBTargets(0x0)
57 , fLocalTrf(0x0)
58 , fAlignTrf(0x0)
59 , fBaseTrf(0x0)
60 , fOwnerLocalTrf(kFALSE)
61 , fOwnerAlignTrf(kTRUE)
62 , fOwnerBaseTrf(kFALSE)
f7d36813 63 , fUseCM(kTRUE)
ba8b0266 64 , fPlane(0x0)
65 , fFitter(0x0)
f7d36813 66 , fXMin(-400.)
67 , fXMax(400.)
68 , fYMin(-400.)
69 , fYMax(400.)
70 , fZMin(-2000.)
71 , fZMax(2000.)
ba8b0266 72{
625f657d 73 /// Default constructor
ba8b0266 74
75 fSTargets = new TObjArray();
76 fSTargets->SetOwner(kFALSE);
77 fGBTargets = new TObjArray();
78 fGBTargets->SetOwner(kFALSE);
79 fLBTargets = new TObjArray();
80 fLBTargets->SetOwner(kFALSE);
81
82 fAlignTrf = new TGeoCombiTrans();
83
84 fFitter = new TFitter(100);
85}
86
87AliMUONSurveyObj::~AliMUONSurveyObj() {
88 /// Destructor
89 if(fSTargets) {
90 fSTargets->Delete();
91 fSTargets = 0x0;
92 }
93 if(fGBTargets) {
94 fGBTargets->Delete();
95 fGBTargets = 0x0;
96 }
97 if(fLBTargets) {
98 fLBTargets->Delete();
99 fLBTargets = 0x0;
100 }
101 if (fPlane) {
102 fPlane->Delete();
103 fPlane = 0x0;
104 }
105 if(fOwnerLocalTrf && fLocalTrf) {
106 fLocalTrf->Delete();
107 fLocalTrf = 0x0;
108 }
109 if(fOwnerAlignTrf && fAlignTrf) {
110 fAlignTrf->Delete();
111 fAlignTrf = 0x0;
112 }
113 if(fOwnerBaseTrf && fBaseTrf) {
114 fBaseTrf->Delete();
115 fBaseTrf = 0x0;
116 }
117 if (fFitter){
118 fFitter->Delete();
119 fFitter = 0x0;
120 }
121}
122
123void AliMUONSurveyObj::AddStickerTarget(AliSurveyPoint *stPoint){
f7d36813 124 /// Add sticker target
125 if (fUseCM) {
126 fSTargets->Add(ConvertPointUnits(stPoint,0.1));
127 } else {
128 fSTargets->Add(stPoint);
129 }
ba8b0266 130}
131
132void AliMUONSurveyObj::AddGButtonTarget(AliSurveyPoint *btPoint){
f7d36813 133 /// Add global button target
134 if (fUseCM) {
135 fGBTargets->Add(ConvertPointUnits(btPoint,0.1));
136 } else {
137 fGBTargets->Add(btPoint);
138 }
ba8b0266 139}
140
141void AliMUONSurveyObj::AddLButtonTarget(AliSurveyPoint *btPoint){
f7d36813 142 /// Add local button target target; AliSurveyPoint
143 if (fUseCM) {
144 fLBTargets->Add(ConvertPointUnits(btPoint,0.1));
145 } else {
146 fLBTargets->Add(btPoint);
147 }
ba8b0266 148}
149
150void AliMUONSurveyObj::AddLButtonTarget(TVector3 *btVector){
f7d36813 151 /// Add local button target target; TVector3
ba8b0266 152 fLBTargets->Add(btVector);
153}
154
155Int_t AliMUONSurveyObj::AddStickerTargets(TObjArray *pArray, TString stBaseName, Int_t lTargetMax){
f7d36813 156 /// Add a maximum of lTargetMax sticker targets with stBaseName from pArray
ba8b0266 157 if (!pArray) {
158 AliError(Form("Survey points array is empty %p!",pArray));
159 return 0;
160 }
161 if (stBaseName.IsNull()) {
162 AliError(Form("Need base name for sticker targets %s!",stBaseName.Data()));
163 return 0;
164 }
165
166 Int_t stIndex = 0;
167 AliSurveyPoint *pointSST = 0x0;
168
169 TString stNumber;
170
171 for (int iPoint=0; iPoint<lTargetMax; iPoint++) {
172 TString stFullName(stBaseName);
173 stNumber = Form("%d",iPoint+1);
174 if(lTargetMax>9&&iPoint+1<10) {
175 stFullName+="0";
176 }
177 stFullName+=stNumber;
178
179 pointSST = (AliSurveyPoint *)pArray->FindObject(stFullName.Data());
180
181 if(pointSST) {
182 AddStickerTarget(pointSST);
183 AliInfo(Form("Added survey sticker target %s at index %d",pointSST->GetName(),stIndex));
184 stIndex++;
185 }
186 }
187
188 AliInfo(Form("Found %d sticker targets with base name %s",fSTargets->GetEntries(),stBaseName.Data()));
189 return stIndex;
190}
191
192Int_t AliMUONSurveyObj::AddGButtonTargets(TObjArray *pArray, TString btBaseName, Int_t lTargetMax){
f7d36813 193 /// Add a maximum of lTargetMax global button targets with stBaseName from pArray
ba8b0266 194 printf("%s \n",btBaseName.Data());
195 if (!pArray) {
196 AliError(Form("Survey points array is empty %p!",pArray));
197 return 0;
198 }
199 if (btBaseName.IsNull()) {
200 AliError(Form("Need base name for button targets %s!",btBaseName.Data()));
201 return 0;
202 }
203
204 Int_t btIndex = 0;
205 AliSurveyPoint *pointSBT = 0x0;
206
207 TString btNumber;
208
209 for (int iPoint=0; iPoint<lTargetMax; iPoint++) {
210 TString btFullName(btBaseName);
211 btNumber = Form("%d",iPoint+1);
212 if(lTargetMax>9&&iPoint+1<10) {
213 btFullName+="0";
214 }
215 btFullName+=btNumber;
216 printf("%s \n",btFullName.Data());
217 pointSBT = (AliSurveyPoint *)pArray->FindObject(btFullName.Data());
218
219 if(pointSBT) {
220 AddGButtonTarget(pointSBT);
221 AliInfo(Form("Added survey button target %s at index %d",pointSBT->GetName(),btIndex));
222 btIndex++;
223 }
224 }
225
226 AliInfo(Form("Found %d button targets with base name %s",fGBTargets->GetEntries(),btBaseName.Data()));
227 return btIndex;
228}
229
230Int_t AliMUONSurveyObj::AddLButtonTargets(TObjArray *pArray, TString btBaseName, Int_t lTargetMax){
f7d36813 231 /// Add a maximum of lTargetMax local button targets with stBaseName from pArray
ba8b0266 232 printf("%s \n",btBaseName.Data());
233 if (!pArray) {
234 AliError(Form("Local points array is empty %p!",pArray));
235 return 0;
236 }
237 if (btBaseName.IsNull()) {
238 AliError(Form("Need base name for button targets %s!",btBaseName.Data()));
239 return 0;
240 }
241
242 Int_t btIndex = 0;
243 AliSurveyPoint *pointSBT = 0x0;
244
245 TString btNumber;
246
247 for (int iPoint=0; iPoint<lTargetMax; iPoint++) {
248 TString btFullName(btBaseName);
249 btNumber = Form("%d",iPoint+1);
250 if(lTargetMax>9&&iPoint+1<10) {
251 btFullName+="0";
252 }
253 btFullName+=btNumber;
254 printf("%s \n",btFullName.Data());
255 pointSBT = (AliSurveyPoint *)pArray->FindObject(btFullName.Data());
256
257 if(pointSBT) {
258 AddLButtonTarget(pointSBT);
259 AliInfo(Form("Added local button target %s at index %d",pointSBT->GetName(),btIndex));
260 btIndex++;
261 }
262 }
263
264 AliInfo(Form("Found %d local button targets with base name %s",fLBTargets->GetEntries(),btBaseName.Data()));
265 return btIndex;
266}
267
268Int_t AliMUONSurveyObj::GetNStickerTargets() {
f7d36813 269 /// return number of sticker targets
ba8b0266 270 return fSTargets->GetEntriesFast();
271}
272
273AliSurveyPoint* AliMUONSurveyObj::GetStickerTarget(Int_t stIndex){
f7d36813 274 /// return sticker target at stIndex
ba8b0266 275 if (stIndex<0||stIndex>=fSTargets->GetEntriesFast()) {
276 AliError(Form("No sticker target at index %d",stIndex));
277 return 0x0;
278 }
279 else {
280 return (AliSurveyPoint*)fSTargets->At(stIndex);
281 }
282}
283
284Int_t AliMUONSurveyObj::GetNGButtonTargets() {
f7d36813 285 /// return number of global button targets
ba8b0266 286 return fGBTargets->GetEntriesFast();
287}
288
289AliSurveyPoint* AliMUONSurveyObj::GetGButtonTarget(Int_t btIndex){
f7d36813 290 /// return global button target at btIndex
ba8b0266 291 if (btIndex<0||btIndex>=fGBTargets->GetEntriesFast()) {
292 AliError(Form("No surveyed button target at index %d",btIndex));
293 return 0x0;
294 }
295 else {
296 return (AliSurveyPoint*)fGBTargets->At(btIndex);
297 }
298}
299
300Int_t AliMUONSurveyObj::GetNLButtonTargets() {
f7d36813 301 /// return number of local button targets
ba8b0266 302 return fGBTargets->GetEntriesFast();
303}
304
305AliSurveyPoint* AliMUONSurveyObj::GetLButtonTarget(Int_t btIndex){
f7d36813 306 /// return local button target at btIndex
ba8b0266 307 if (btIndex<0||btIndex>=fLBTargets->GetEntriesFast()) {
308 AliError(Form("No surveyed button target at index %d",btIndex));
309 return 0x0;
310 }
311 else {
312 if(fLBTargets->At(btIndex)->IsA()==TVector3::Class()){
313 TVector3 *lBT = (TVector3*)fLBTargets->At(btIndex);
314 TString str("B");
315 return (new AliSurveyPoint(TString("local"),(float)lBT->X(),(float)lBT->Y(),(float)lBT->Z(),(float)0.,(float)0.,(float)0.,'B',kTRUE));
316 } else if(fLBTargets->At(btIndex)->IsA()==AliSurveyPoint::Class()) {
317 AliSurveyPoint *lBT = (AliSurveyPoint*)fLBTargets->At(btIndex);
318 return lBT;
319 } else {
320 AliError(Form("Unexpected class %s ! Valid classes are TVector3 or AliSurveyPoint",fLBTargets->At(btIndex)->ClassName()));
321 return 0;
322 }
323 }
324}
325
326void AliMUONSurveyObj::SetPlane(TString pName, Double_t xMin, Double_t xMax, Double_t yMin, Double_t yMax){
f7d36813 327 /// Set the plane function for the plane fitting
ba8b0266 328 if(fPlane) {
329 fPlane->Delete();
330 fPlane = 0x0;
331 }
f7d36813 332 fPlane = new TF2(pName,this,&AliMUONSurveyObj::EqPlane,xMin,xMax,yMin,yMax,3,"AliMUONSurveyObj","EqPlane");
ba8b0266 333}
334
335void AliMUONSurveyObj::SetPlaneParameters(Double_t p0, Double_t p1, Double_t p2) {
f7d36813 336 /// Set the parameters of plane function for the plane fitting
ba8b0266 337 if (!fPlane) {
338 AliError("Must use SetPlane before SetPlaneParameters!!!");
339 }
340 else {
341 fPlane->SetParameter(0,p0);
342 fPlane->SetParameter(1,p1);
343 fPlane->SetParameter(2,p2);
344 }
345}
346
347void AliMUONSurveyObj::DrawSTargets() {
f7d36813 348 /// Draw a graph of the sticker targets
ba8b0266 349 TGraph2DErrors *gST = new TGraph2DErrors(3);
350 AliSurveyPoint *pST = 0x0;
351 for (Int_t iPoint=0; iPoint<GetNStickerTargets(); iPoint++) {
352 pST = GetStickerTarget(iPoint);
353 // pST->PrintPoint();
354 gST->SetPoint(iPoint,pST->GetX(),pST->GetY(),pST->GetZ());
355 gST->SetPointError(iPoint,pST->GetPrecisionX(),pST->GetPrecisionY(),pST->GetPrecisionZ());
356 }
357 gST->DrawClone("P0");
358
f4c2989f 359 delete gST;
ba8b0266 360}
361
362Double_t AliMUONSurveyObj::FitPlane() {
f7d36813 363 /// Fit plane to sticker targets
ba8b0266 364 if (!fPlane) {
365 AliError("Must use SetPlane before FitPlane!!!");
366 return 0.;
367 }
368 if (fSTargets->GetEntriesFast()<3) {
369 AliError("Not enough sticker targets (%d) for plane fitting!!!");
370 return 0.;
371 }
372
373 Double_t pl[3] = {0};
374 Double_t pg[3] = {0};
375
376 TGraph2DErrors *gST = new TGraph2DErrors(3);
377 AliSurveyPoint *pST = 0x0;
378 for (Int_t iPoint=0; iPoint<GetNStickerTargets(); iPoint++) {
379 pST = GetStickerTarget(iPoint);
380 // pST->PrintPoint();
381 pg[0] = pST->GetX();
382 pg[1] = pST->GetY();
383 pg[2] = pST->GetZ();
384 fBaseTrf->MasterToLocal(pg,pl);
385 gST->SetPoint(iPoint,pl[0],pl[1],pl[2]);
386 printf("%d %f %f %f\n",iPoint,pl[0],pl[1],pl[2]);
387 gST->SetPointError(iPoint,pST->GetPrecisionX(),pST->GetPrecisionY(),pST->GetPrecisionZ());
388 }
389 gST->Fit(fPlane);
390
f4c2989f 391 delete gST;
ba8b0266 392
393 return fPlane->GetChisquare();
394}
395
396Double_t AliMUONSurveyObj::SurveyChi2(Double_t *par){
f7d36813 397 /// Returns the chisquare between local2global transform of local button targets and their surveyed position
ba8b0266 398 TGeoTranslation transTemp;
399 TGeoRotation rotTemp;
400 TGeoCombiTrans trfTemp;
401
402 Double_t lChi2=0.;
403
404 trfTemp.SetTranslation(transTemp);
405 trfTemp.SetRotation(rotTemp);
406 trfTemp.Clear();
407 trfTemp.RotateZ(TMath::RadToDeg()*par[5]);
408 trfTemp.RotateY(TMath::RadToDeg()*par[4]);
409 trfTemp.RotateX(TMath::RadToDeg()*par[3]);
410 trfTemp.SetTranslation(par[0],par[1],par[2]);
411
412 TGeoHMatrix matGlo = (*fBaseTrf)*trfTemp;
413 TGeoCombiTrans trfGlo(matGlo);
414
415 Double_t pl[3] = {0};
416 Double_t pg[3] = {0};
417
418 for(Int_t iPoint=0; iPoint<fGBTargets->GetEntries(); iPoint++){
419 AliSurveyPoint *gBT = (AliSurveyPoint*)fGBTargets->At(iPoint);
420 if(fLBTargets->At(iPoint)->IsA()==TVector3::Class()){
421 TVector3 *lBT = (TVector3*)fLBTargets->At(iPoint);
422 pl[0]=lBT->X();
423 pl[1]=lBT->Y();
424 pl[2]=lBT->Z();
425 } else if(fLBTargets->At(iPoint)->IsA()==AliSurveyPoint::Class()) {
426 AliSurveyPoint *lBT = (AliSurveyPoint*)fLBTargets->At(iPoint);
427 pl[0]=lBT->GetX();
428 pl[1]=lBT->GetY();
429 pl[2]=lBT->GetZ();
430 } else {
431 AliError(Form("Unexpected class %s ! Valid classes are TVector3 or AliSurveyPoint",fLBTargets->At(iPoint)->ClassName()));
432 return 0;
433 }
434
435 trfGlo.LocalToMaster(pl, pg);
436 // printf("%d %f %f %f\n",iPoint,pg[0],pg[1],pg[2]);
437 if(fLBTargets->At(iPoint)->IsA()==TVector3::Class()){
438 lChi2 += (pg[0]-gBT->GetX())*(pg[0]-gBT->GetX())/(gBT->GetPrecisionX()*gBT->GetPrecisionX());
439 lChi2 += (pg[1]-gBT->GetY())*(pg[1]-gBT->GetY())/(gBT->GetPrecisionY()*gBT->GetPrecisionY());
440 lChi2 += (pg[2]-gBT->GetZ())*(pg[2]-gBT->GetZ())/(gBT->GetPrecisionZ()*gBT->GetPrecisionZ());
441 } else if(fLBTargets->At(iPoint)->IsA()==AliSurveyPoint::Class()) {
442 AliSurveyPoint *lBT = (AliSurveyPoint*)fLBTargets->At(iPoint);
443 lChi2 += (pg[0]-gBT->GetX())*(pg[0]-gBT->GetX())/(gBT->GetPrecisionX()*gBT->GetPrecisionX()+lBT->GetPrecisionX()*lBT->GetPrecisionX());
444 lChi2 += (pg[1]-gBT->GetY())*(pg[1]-gBT->GetY())/(gBT->GetPrecisionY()*gBT->GetPrecisionY()+lBT->GetPrecisionY()*lBT->GetPrecisionY());
445 lChi2 += (pg[2]-gBT->GetZ())*(pg[2]-gBT->GetZ())/(gBT->GetPrecisionZ()*gBT->GetPrecisionZ()+lBT->GetPrecisionZ()*lBT->GetPrecisionZ());
446 } else {
447 AliError(Form("Unexpected class %s ! Valid classes are TVector3 or AliSurveyPoint",fLBTargets->At(iPoint)->ClassName()));
448 return 0;
449 }
450 }
451
452 return lChi2;
453}
454
455//_____________________________________________________________________________
456void SurveyFcn(int &npar, double *g, double &f, double *par, int iflag) {
f7d36813 457 ///
458 /// Standard function as needed by Minuit-like minimization procedures.
459 /// For the set of parameters par calculates and returns chi-squared.
460 ///
ba8b0266 461
462 // smuggle a C++ object into a C function
463 AliMUONSurveyObj *aSurveyObj = (AliMUONSurveyObj*) gMinuit->GetObjectFit();
464
465 f = aSurveyObj->SurveyChi2(par);
94bf739c 466 if (iflag==3) {}
467 if (npar) {}
468 if (g) {} // no warnings about unused stuff...
ba8b0266 469
470}
471
472//_____________________________________________________________________________
473Int_t AliMUONSurveyObj::SurveyToAlign(TGeoCombiTrans &quadTransf, Double_t *parErr, Double_t psi, Double_t tht, Double_t epsi, Double_t etht) {
f7d36813 474 /// Main function to obtain the misalignments from the surveyed position of the button targets;
ba8b0266 475 if (fGBTargets->GetEntries()!=fLBTargets->GetEntries()){
476 AliError(Form("Different number of button targets: %d survey points and %d local coord!",
477 fGBTargets->GetEntries(),fLBTargets->GetEntries()));
478 return 0;
479 }
480
481 TFitter fitter(100);
482 gMinuit->SetObjectFit(this);
483 fitter.SetFCN(SurveyFcn);
484 fitter.SetParameter(0,"dx",0,0.1,-20,20);
485 fitter.SetParameter(1,"dy",0,0.1,-20,20);
486 fitter.SetParameter(2,"dz",0,0.1,0,0);
487 fitter.SetParameter(3,"rx",psi,0.0001,-0.05,0.05);
488 fitter.SetParameter(4,"ry",tht,0.0001,-0.05,0.05);
489// fitter.SetParameter(3,"rx",psi,0.0001,psi-5*epsi,psi+5*epsi);
490// fitter.SetParameter(4,"ry",tht,0.0001,tht-5*etht,tht+5*etht);
491 fitter.SetParameter(5,"rz",0,0.0001,0,0);
492
493 if(psi) fitter.FixParameter(3);
494 if(tht) fitter.FixParameter(4);
495
496 double arglist[100];
497 arglist[0] = 2;
498 fitter.ExecuteCommand("SET PRINT", arglist, 1);
499 fitter.ExecuteCommand("SET ERR", arglist, 1);
500 arglist[0]=0;
501 //fitter.ExecuteCommand("SIMPLEX", arglist, 1);
502 // fitter.ExecuteCommand("MINIMIZE", arglist, 1);
503 fitter.ExecuteCommand("MIGRAD", arglist, 1);
504 fitter.ExecuteCommand("IMPROVE", arglist, 1);
505 // fitter.ExecuteCommand("MINOS", arglist, 1);
506 // fitter.ExecuteCommand("CALL 3", arglist,0);
507
508 for (int j=0; j<3; j++) printf("%10.3f ",fitter.GetParameter(j));
509 for (int j=3; j<6; j++) printf("%10.3f ",1000*fitter.GetParameter(j));
510 printf("\n");
511 for (int j=0; j<3; j++) printf("%10.3f ",fitter.GetParError(j));
512 for (int j=3; j<6; j++) printf("%10.3f ",1000*fitter.GetParError(j));
513 printf("\n");
514
515 quadTransf.Clear();
516 quadTransf.RotateZ(TMath::RadToDeg()*fitter.GetParameter(5));
517 quadTransf.RotateY(TMath::RadToDeg()*fitter.GetParameter(4));
518 quadTransf.RotateX(TMath::RadToDeg()*fitter.GetParameter(3));
519 quadTransf.SetTranslation(fitter.GetParameter(0),fitter.GetParameter(1),fitter.GetParameter(2));
520
521 for(Int_t iPar=0; iPar<6; iPar++){
522 parErr[iPar] = fitter.GetParError(iPar);
523 }
524 if(epsi) parErr[3] = epsi;
525 if(etht) parErr[4] = etht;
526
527 return 1;
528
529}
530
531//_____________________________________________________________________________
532Int_t AliMUONSurveyObj::SurveyToAlign(Double_t psi, Double_t tht, Double_t epsi, Double_t etht) {
f7d36813 533 /// Main function to obtain the misalignments from the surveyed position of the button targets;
ba8b0266 534 if (fGBTargets->GetEntries()!=fLBTargets->GetEntries()){
535 AliError(Form("Different number of button targets: %d survey points and %d local coord!",
536 fGBTargets->GetEntries(),fLBTargets->GetEntries()));
537 return 0;
538 }
539
540 // TFitter fitter(100);
541 gMinuit->SetObjectFit(this);
542 fFitter->SetFCN(SurveyFcn);
543 fFitter->SetParameter(0,"dx",0,0.1,-20,20);
544 fFitter->SetParameter(1,"dy",0,0.1,-20,20);
545 fFitter->SetParameter(2,"dz",0,0.1,0,0);
546 if(psi)
547 fFitter->SetParameter(3,"rx",psi,epsi,psi-5*epsi,psi+5*epsi);
548 else
549 fFitter->SetParameter(3,"rx",psi,0.0001,-0.05,0.05);
550 if(tht)
551 fFitter->SetParameter(4,"ry",tht,etht,tht-5*etht,tht+5*etht);
552 else
553 fFitter->SetParameter(4,"ry",tht,0.0001,-0.05,0.05);
554// fFitter->SetParameter(3,"rx",psi,0.0001,psi-5*epsi,psi+5*epsi);
555// fFitter->SetParameter(4,"ry",tht,0.0001,tht-5*etht,tht+5*etht);
556 fFitter->SetParameter(5,"rz",0,0.0001,0,0);
557
558 if(psi) fFitter->FixParameter(3);
559 if(tht) fFitter->FixParameter(4);
560
561 double arglist[100];
562 arglist[0] = 2;
563 fFitter->ExecuteCommand("SET PRINT", arglist, 1);
564 fFitter->ExecuteCommand("SET ERR", arglist, 1);
565 arglist[0]=0;
566 //fFitter->ExecuteCommand("SIMPLEX", arglist, 1);
567 // fFitter->ExecuteCommand("MINIMIZE", arglist, 1);
568 fFitter->ExecuteCommand("MIGRAD", arglist, 1);
569 fFitter->ExecuteCommand("IMPROVE", arglist, 1);
570// fFitter->ExecuteCommand("MINOS", arglist, 1);
571// fFitter->ExecuteCommand("CALL 3", arglist,0);
572
573 for (int j=0; j<3; j++) printf("%10.3f ",fFitter->GetParameter(j));
574 for (int j=3; j<6; j++) printf("%10.3f ",1000*fFitter->GetParameter(j));
575 printf("\n");
576 for (int j=0; j<3; j++) printf("%10.3f ",fFitter->GetParError(j));
577 for (int j=3; j<6; j++) printf("%10.3f ",1000*fFitter->GetParError(j));
578 printf("\n");
579
580 fAlignTrf->Clear();
581 fAlignTrf->RotateZ(TMath::RadToDeg()*fFitter->GetParameter(5));
582 fAlignTrf->RotateY(TMath::RadToDeg()*fFitter->GetParameter(4));
583 fAlignTrf->RotateX(TMath::RadToDeg()*fFitter->GetParameter(3));
584 fAlignTrf->SetTranslation(fFitter->GetParameter(0),fFitter->GetParameter(1),fFitter->GetParameter(2));
585
586 if(epsi) fFitter->ReleaseParameter(3); // To get error
587 if(etht) fFitter->ReleaseParameter(4); // To get error
588
589 TGeoCombiTrans lGlobalTrf = TGeoCombiTrans((*fBaseTrf)*(*fAlignTrf));
590 AliSurveyPoint *pointGBT;
591 AliSurveyPoint *pointLBT;
592 Double_t pl[3] = {0};
593 Double_t pg[3] = {0};
594 for (int iPoint=0; iPoint<GetNGButtonTargets(); iPoint++){
595 pointGBT=GetGButtonTarget(iPoint);
596 pointLBT=GetLButtonTarget(iPoint);
597 pl[0] = pointLBT->GetX();
598 pl[1] = pointLBT->GetY();
599 pl[2] = pointLBT->GetZ();
600 lGlobalTrf.LocalToMaster(pl,pg);
601 printf("Point %d local: %.3f %.3f %.3f\n",iPoint,pl[0],pl[1],pl[2]);
602 printf("Point %d global: %.3f %.3f %.3f\n",iPoint,pg[0],pg[1],pg[2]);
603 printf("Point %d survey: %.3f %.3f %.3f\n",iPoint,pointGBT->GetX(),pointGBT->GetY(),pointGBT->GetZ());
604 }
605
606 return 1;
607
608}
609
f7d36813 610Double_t AliMUONSurveyObj::EvalFunction(const TF2 *lFunction, Int_t iP1, Int_t iP2, const Char_t *lCoord) {
611 /// Evaluate the given function at the given points for the given coordinate
ba8b0266 612 if (!lFunction) {
613 AliError("No function given!!!");
614 return 0;
615 }
616 AliSurveyPoint *gP1 = GetGButtonTarget(iP1);
617 AliSurveyPoint *gP2 = GetGButtonTarget(iP2);
618
619 if(!gP1||!gP2){
620 AliError("Missing global button target!!!");
621 return 0;
622 }
623
624 // AliInfo(Form("Function %s parameters %f %f %f %f %f %f",lFunction->GetName(),lFunction->GetParameter(0),lFunction->GetParameter(1),lFunction->GetParameter(2),lFunction->GetParameter(3),lFunction->GetParameter(4),lFunction->GetParameter(5)));
625 Double_t pl1[3] = {0};
626 Double_t pl2[3] = {0};
627 Double_t pg1[3] = {0};
628 Double_t pg2[3] = {0};
629
630 pg1[0] = gP1->GetX();
631 pg1[1] = gP1->GetY();
632 pg1[2] = gP1->GetZ();
633 pg2[0] = gP2->GetX();
634 pg2[1] = gP2->GetY();
635 pg2[2] = gP2->GetZ();
636
637 fBaseTrf->MasterToLocal(pg1,pl1);
638 fBaseTrf->MasterToLocal(pg2,pl2);
639
640 Double_t lVal = 0.;
641 switch (lCoord[0]) {
642 case 'X':
643 {
644 lVal = lFunction->Eval(pl1[0],pl2[0]);
645 // lVal = lFunction->Eval(gP1->GetX(),gP2->GetX());
646 // AliInfo(Form("case X, lVal = %f",lVal));
647 return lVal;
648 }
649 case 'Y':
650 {
651 lVal = lFunction->Eval(pl1[1],pl2[1]);
652 // lVal = lFunction->Eval(gP1->GetY(),gP2->GetY());
653 // AliInfo(Form("case Y, lVal = %f",lVal));
654 return lVal;
655 }
656 case 'Z':
657 {
658 lVal = lFunction->Eval(pl1[2],pl2[2]);
659 // lVal = lFunction->Eval(gP1->GetZ(),gP2->GetZ());
660 // AliInfo(Form("case Z, lVal = %f",lVal));
661 return lVal;
662 }
663 default:
664 {
1130977f 665 AliError(Form("Coordinate %s is not valid, options are X Y Z",lCoord));
ba8b0266 666 return 0;
667 }
668 }
669}
670
671void AliMUONSurveyObj::CalculateTranslation(TF2 *xFunc, TF2 *yFunc, TF2 *zFunc, Int_t iP1, Int_t iP2, Double_t *lCenTemp) {
f7d36813 672 /// Calculate the center translation using analytic functions
ba8b0266 673 lCenTemp[0] = EvalFunction(xFunc,iP1,iP2,"X");
674 lCenTemp[1] = EvalFunction(yFunc,iP1,iP2,"Y");
675 lCenTemp[2] = EvalFunction(zFunc,iP1,iP2,"Z");
676
677}
678
679Double_t AliMUONSurveyObj::CalculateGlobalDiff(TGeoCombiTrans &lTransf, Int_t nPoints, TArrayD &lDiff){
f7d36813 680 /// By hand computation of distance between local2global transform of target position and its surveyed position
ba8b0266 681 if (nPoints > GetNGButtonTargets()) {
682 nPoints = GetNGButtonTargets();
683 }
684
685 for(Int_t iVal=0; iVal<nPoints*(3+1)+1; iVal++){
686 lDiff[iVal] = 0.;
687 }
688
689 Double_t pl[3] = {0};
690 Double_t pg[3] = {0};
691 Double_t pml[3] = {0};
692 Double_t pmg[3] = {0};
693 AliSurveyPoint *gBT = 0x0;
694 for(Int_t iPoint=0; iPoint<nPoints; iPoint++){
695 gBT = GetGButtonTarget(iPoint);
696 if(!gBT||!fLBTargets->At(iPoint)){
697 AliError(Form("The local or global target %d is missing!",iPoint));
698 lDiff[nPoints*(3+1)] = 1.e7;
699 return lDiff[nPoints*(3+1)];
700 }
701 if(fLBTargets->At(iPoint)->IsA()==TVector3::Class()){
702 TVector3 *lBT = (TVector3*)fLBTargets->At(iPoint);
703 pl[0]=lBT->X();
704 pl[1]=lBT->Y();
705 pl[2]=lBT->Z();
706 } else if(fLBTargets->At(iPoint)->IsA()==AliSurveyPoint::Class()) {
707 AliSurveyPoint *lBT = (AliSurveyPoint*)fLBTargets->At(iPoint);
708 pl[0]=lBT->GetX();
709 pl[1]=lBT->GetY();
710 pl[2]=lBT->GetZ();
711 } else {
712 AliError(Form("Unexpected class %s ! Valid classes are TVector3 or AliSurveyPoint",fLBTargets->At(iPoint)->ClassName()));
713 return 0;
714 }
715
716 lTransf.LocalToMaster(pl,pg);
717 pmg[0] = gBT->GetX();
718 pmg[1] = gBT->GetY();
719 pmg[2] = gBT->GetZ();
720 fBaseTrf->MasterToLocal(pmg,pml);
721// printf("l %d %f %f %f\n",iPoint,pl[0],pl[1],pl[2]);
722// printf("g %d %f %f %f\n",iPoint,pg[0],pg[1],pg[2]);
723// printf("ml %d %f %f %f\n",iPoint,pml[0],pml[1],pml[2]);
724// printf("mg %d %f %f %f\n",iPoint,gBT->GetX(),gBT->GetY(),gBT->GetZ());
725 lDiff[iPoint*(3+1)+0] = (pml[0]-pg[0]);
726 lDiff[iPoint*(3+1)+1] = (pml[1]-pg[1]);
727 lDiff[iPoint*(3+1)+2] = (pml[2]-pg[2]);
728
729 lDiff[iPoint*(3+1)+3] = TMath::Sqrt(lDiff[iPoint*(3+1)+0]*lDiff[iPoint*(3+1)+0]+
730 lDiff[iPoint*(3+1)+1]*lDiff[iPoint*(3+1)+1]+
731 lDiff[iPoint*(3+1)+2]*lDiff[iPoint*(3+1)+2]);
732
733 lDiff[nPoints*(3+1)] += lDiff[iPoint*(3+1)+3]*lDiff[iPoint*(3+1)+3];
734 }
735
736 lDiff[nPoints*(3+1)] = TMath::Sqrt(lDiff[nPoints*(3+1)]);
737 return lDiff[nPoints*(3+1)];
738}
739
740Int_t AliMUONSurveyObj::CalculateBestTransf(Int_t iP1, Int_t iP2, Double_t *lXYZ, Double_t *lPTP) {
f7d36813 741 /// By hand calculation of the best local to global transform using 2 button targets
ba8b0266 742 Double_t lPsi = lPTP[0];
743 Double_t lTht = lPTP[1];
744
745 Double_t pl1[3] = {0};
746 Double_t pl2[3] = {0};
747
748 if(!fLBTargets->At(iP1)||!fLBTargets->At(iP2)){
749 AliError(Form("Local target %d or %d is missing!",iP1,iP2));
750 return 0;
751 }
752
753 if(fLBTargets->At(iP1)->IsA()==TVector3::Class()){
754 TVector3 *lBT1 = (TVector3*)fLBTargets->At(iP1);
755 pl1[0]=lBT1->X();
756 pl1[1]=lBT1->Y();
757 pl1[2]=lBT1->Z();
758 } else if(fLBTargets->At(iP1)->IsA()==AliSurveyPoint::Class()) {
759 AliSurveyPoint *lBT1 = (AliSurveyPoint*)fLBTargets->At(iP1);
760 pl1[0]=lBT1->GetX();
761 pl1[1]=lBT1->GetY();
762 pl1[2]=lBT1->GetZ();
763 } else {
764 AliError(Form("Unexpected class %s ! Valid classes are TVector3 or AliSurveyPoint",fLBTargets->At(iP1)->ClassName()));
765 return 0;
766 }
767 if(fLBTargets->At(iP2)->IsA()==TVector3::Class()){
768 TVector3 *lBT2 = (TVector3*)fLBTargets->At(iP2);
769 pl2[0]=lBT2->X();
770 pl2[1]=lBT2->Y();
771 pl2[2]=lBT2->Z();
772 } else if(fLBTargets->At(iP2)->IsA()==AliSurveyPoint::Class()) {
773 AliSurveyPoint *lBT2 = (AliSurveyPoint*)fLBTargets->At(iP2);
774 pl2[0]=lBT2->GetX();
775 pl2[1]=lBT2->GetY();
776 pl2[2]=lBT2->GetZ();
777 } else {
778 AliError(Form("Unexpected class %s ! Valid classes are TVector3 or AliSurveyPoint",fLBTargets->At(iP2)->ClassName()));
779 return 0;
780 }
781
782
783 AliMUONSurveyUtil *surveyUtil = AliMUONSurveyUtil::Instance();
784
785 // Xcenter functions
a6e0ebfe 786 const char *fxcName = "fXcn00";
ba8b0266 787 TF2 **fXc = new TF2*[2];
788 fxcName = "fXcn";
57c80a52 789 fXc[0] = new TF2(fxcName,surveyUtil,&AliMUONSurveyUtil::XnCenter,fXMin,fXMax,fYMin,fYMax,7,"AliMUONSurveyUtil","XnCenter");
ba8b0266 790 fxcName = "fXcp";
57c80a52 791 fXc[1] = new TF2(fxcName,surveyUtil,&AliMUONSurveyUtil::XpCenter,fXMin,fXMax,fYMin,fYMax,7,"AliMUONSurveyUtil","XpCenter");
ba8b0266 792
793 // Ycenter functions
a6e0ebfe 794 const char *fycName = "fYcn00";
ba8b0266 795 TF2 **fYc = new TF2*[2];
796 fycName = "fYcn";
57c80a52 797 fYc[0] = new TF2(fycName,surveyUtil,&AliMUONSurveyUtil::YnCenter,fYMin,fYMax,fYMin,fYMax,8,"AliMUONSurveyUtil","YnCenter");
ba8b0266 798 fycName = "fYcp";
57c80a52 799 fYc[1] = new TF2(fycName,surveyUtil,&AliMUONSurveyUtil::YpCenter,fYMin,fYMax,fYMin,fYMax,8,"AliMUONSurveyUtil","YpCenter");
ba8b0266 800
801 // Zcenter functions
a6e0ebfe 802 const char *fzcName = "fZcn00";
ba8b0266 803 TF2 **fZc = new TF2*[2];
804 fzcName = "fZcn";
57c80a52 805 fZc[0] = new TF2(fzcName,surveyUtil,&AliMUONSurveyUtil::ZnCenter,fZMin,fZMax,fZMin,fZMax,8,"AliMUONSurveyUtil","ZnCenter");
ba8b0266 806 fzcName = "fZcp";
57c80a52 807 fZc[1] = new TF2(fzcName,surveyUtil,&AliMUONSurveyUtil::ZpCenter,fZMin,fZMax,fZMin,fZMax,8,"AliMUONSurveyUtil","ZpCenter");
ba8b0266 808
809 // Phi rotation using xglobal coords functions
a6e0ebfe 810 const char *fphixName = "fPhiXnn00";
ba8b0266 811 TF2 ***fPhiX = new TF2**[2];
812 for (Int_t iX =0; iX<2; iX++) {
813 fPhiX[iX] = new TF2*[2];
814 }
815 fphixName = "fPhiXnn";
57c80a52 816 fPhiX[0][0] = new TF2(fphixName,surveyUtil,&AliMUONSurveyUtil::PhiXnn,fXMin,fXMax,fXMin,fXMax,7,"AliMUONSurveyUtil","PhiXnn");
ba8b0266 817 fphixName = "fPhiXnp";
57c80a52 818 fPhiX[0][1] = new TF2(fphixName,surveyUtil,&AliMUONSurveyUtil::PhiXnp,fXMin,fXMax,fXMin,fXMax,7,"AliMUONSurveyUtil","PhiXnp");
ba8b0266 819 fphixName = "fPhiXpn";
57c80a52 820 fPhiX[1][0] = new TF2(fphixName,surveyUtil,&AliMUONSurveyUtil::PhiXpn,fXMin,fXMax,fXMin,fXMax,7,"AliMUONSurveyUtil","PhiXpn");
ba8b0266 821 fphixName = "fPhiXpp";
57c80a52 822 fPhiX[1][1] = new TF2(fphixName,surveyUtil,&AliMUONSurveyUtil::PhiXpp,fXMin,fXMax,fXMin,fXMax,7,"AliMUONSurveyUtil","PhiXpp");
ba8b0266 823
824 // Phi rotation using yglobal coords functions
a6e0ebfe 825 const char *fphiyName = "fPhiYnn00";
ba8b0266 826 TF2 ***fPhiY = new TF2**[2];
827 for (Int_t iY =0; iY<2; iY++) {
828 fPhiY[iY] = new TF2*[2];
829 }
830 fphiyName = "fPhiYnn";
57c80a52 831 fPhiY[0][0] = new TF2(fphiyName,surveyUtil,&AliMUONSurveyUtil::PhiYnn,fYMin,fYMax,fYMin,fYMax,8,"AliMUONSurveyUtil","PhiYnn");
ba8b0266 832 fphiyName = "fPhiYnp";
57c80a52 833 fPhiY[0][1] = new TF2(fphiyName,surveyUtil,&AliMUONSurveyUtil::PhiYnp,fYMin,fYMax,fYMin,fYMax,8,"AliMUONSurveyUtil","PhiYnp");
ba8b0266 834 fphiyName = "fPhiYpn";
57c80a52 835 fPhiY[1][0] = new TF2(fphiyName,surveyUtil,&AliMUONSurveyUtil::PhiYpn,fYMin,fYMax,fYMin,fYMax,8,"AliMUONSurveyUtil","PhiYpn");
ba8b0266 836 fphiyName = "fPhiYpp";
57c80a52 837 fPhiY[1][1] = new TF2(fphiyName,surveyUtil,&AliMUONSurveyUtil::PhiYpp,fYMin,fYMax,fYMin,fYMax,8,"AliMUONSurveyUtil","PhiYpp");
ba8b0266 838
839
840 // Set Parameters of functions
841 for(Int_t iS=0; iS<2; iS++){
842 fXc[iS]->SetParameters(pl1[0],pl1[1],pl1[2],pl2[0],pl2[1],pl2[2],lTht);
843 fYc[iS]->SetParameters(pl1[0],pl1[1],pl1[2],pl2[0],pl2[1],pl2[2],lPsi,lTht);
844 fZc[iS]->SetParameters(pl1[0],pl1[1],pl1[2],pl2[0],pl2[1],pl2[2],lPsi,lTht);
845// fXc[iS]->SetParameters(lBT1->X(),lBT1->Y(),lBT1->Z(),lBT2->X(),lBT2->Y(),lBT2->Z(),lTht);
846// fYc[iS]->SetParameters(lBT1->X(),lBT1->Y(),lBT1->Z(),lBT2->X(),lBT2->Y(),lBT2->Z(),lPsi,lTht);
847// fZc[iS]->SetParameters(lBT1->X(),lBT1->Y(),lBT1->Z(),lBT2->X(),lBT2->Y(),lBT2->Z(),lPsi,lTht);
848 for(Int_t jS=0; jS<2; jS++){
849 fPhiX[iS][jS]->SetParameters(pl1[0],pl1[1],pl1[2],pl2[0],pl2[1],pl2[2],lTht);
850 fPhiY[iS][jS]->SetParameters(pl1[0],pl1[1],pl1[2],pl2[0],pl2[1],pl2[2],lPsi,lTht);
851// fPhiX[iS][jS]->SetParameters(lBT1->X(),lBT1->Y(),lBT1->Z(),lBT2->X(),lBT2->Y(),lBT2->Z(),lTht);
852// fPhiY[iS][jS]->SetParameters(lBT1->X(),lBT1->Y(),lBT1->Z(),lBT2->X(),lBT2->Y(),lBT2->Z(),lPsi,lTht);
853 }
854 }
855
856 Double_t lCenTemp[3];
857 Double_t lRotTemp[3];
858
859 TGeoCombiTrans trfTemp;
860
861 Int_t nPoints = GetNGButtonTargets();
862
863 TArrayD lDiffTemp(nPoints*(3+1)+1);
864 TArrayD lDiffMin(nPoints*(3+1)+1);
865
866 for(Int_t i=0; i<nPoints*(3+1)+1; i++){
867 lDiffMin[i]=1000000.;
868 lDiffTemp[i]=0.;
869 }
870
871 //
872 // Calculate Detection Element Center from button targets
873 //
874
875 // Trying 2x*2y*2z*(2phi+2phi) possibilities
876 for(Int_t iX=0; iX<2; iX++){
877 for(Int_t iY=0; iY<2; iY++){
878 for(Int_t iZ=0; iZ<2; iZ++){
879 CalculateTranslation(fXc[iX],fYc[iY],fZc[iZ],iP1,iP2,lCenTemp);
880
881 lRotTemp[0] = lPsi;
882 lRotTemp[1] = lTht;
883 for(Int_t iP=0; iP<2; iP++){
884 lRotTemp[2] = EvalFunction(fPhiX[iX][iP],iP1,iP2,"X");
885
886 trfTemp.Clear();
887 trfTemp.RotateZ(TMath::RadToDeg()*lRotTemp[2]);
888 trfTemp.RotateY(TMath::RadToDeg()*lRotTemp[1]);
889 trfTemp.RotateX(TMath::RadToDeg()*lRotTemp[0]);
890 trfTemp.SetTranslation(lCenTemp);
891
892 if(CalculateGlobalDiff(trfTemp,nPoints,lDiffTemp)<lDiffMin[nPoints*(3+1)]){
893 printf("Diffs");
894 for(Int_t i=0; i<nPoints*(3+1)+1; i++){
895 printf(" %f",lDiffTemp[i]);
896 }
897 printf("\n");
898 printf(" : mycenX%dY%dZ%d(%f,%f,%f); rotx%d(%f,%f,%f)\n",iX,iY,iZ,lCenTemp[0],lCenTemp[1],lCenTemp[2],iP,lRotTemp[0],lRotTemp[1],lRotTemp[2]);
899 printf("Transformation improved ...\n");
900 for (int i=0; i<3; i++) {
901 lXYZ[i] = lCenTemp[i];
902 }
903 lPTP[2] = lRotTemp[2];
904 for(Int_t i=0; i<nPoints*(3+1)+1; i++){
905 lDiffMin[i]=lDiffTemp[i];
906 }
907 }
908 }
909 for(Int_t iP=0; iP<2; iP++){
910 lRotTemp[2] = EvalFunction(fPhiY[iY][iP],iP1,iP2,"Y");
911
912 trfTemp.Clear();
913 trfTemp.RotateZ(TMath::RadToDeg()*lRotTemp[2]);
914 trfTemp.RotateY(TMath::RadToDeg()*lRotTemp[1]);
915 trfTemp.RotateX(TMath::RadToDeg()*lRotTemp[0]);
916 trfTemp.SetTranslation(lCenTemp);
917
918 if(CalculateGlobalDiff(trfTemp,nPoints,lDiffTemp)<lDiffMin[nPoints*(3+1)]){
919 printf("Diffs");
920 for(Int_t i=0; i<nPoints*(3+1)+1; i++){
921 printf(" %f",lDiffTemp[i]);
922 }
923 printf("\n");
924 printf(" : mycenX%dY%dZ%d(%f,%f,%f); roty%d(%f,%f,%f)\n",iX,iY,iZ,lCenTemp[0],lCenTemp[1],lCenTemp[2],iP,lRotTemp[0],lRotTemp[1],lRotTemp[2]);
925 printf("Transformation improved ...\n");
926 for (int i=0; i<3; i++) {
927 lXYZ[i] = lCenTemp[i];
928 }
929 lPTP[2] = lRotTemp[2];
930 for(Int_t i=0; i<nPoints*(3+1)+1; i++){
931 lDiffMin[i]=lDiffTemp[i];
932 }
933 }
934 }
935 }
936 }
937 }
938
939 for (Int_t i=0; i<2; i++) {
940 delete fXc[i];
941 delete fYc[i];
942 delete fZc[i];
943 for (Int_t j=0; j<2; j++) {
944 delete fPhiX[i][j];
945 delete fPhiY[i][j];
946 }
947 delete[] fPhiX[i];
948 delete[] fPhiY[i];
949 }
950 delete[] fXc;
951 delete[] fYc;
952 delete[] fZc;
953 delete[] fPhiX;
954 delete[] fPhiY;
955
956 if (lDiffMin[nPoints*(3+1)]>20) return 0;
957
958 return 1;
959}
960
961void AliMUONSurveyObj::CalculateMeanTransf(Double_t *lXYZ, Double_t *lPTP) {
f7d36813 962 /// By hand calculation of the mean (for nPairs of targets) of the best local to global transform using 2 button targets
ba8b0266 963 Double_t xce=0.;
964 Double_t yce=0.;
965 Double_t zce=0.;
966 Double_t phi=0.;
967
968 Int_t nPairs = 0;
969 Int_t nPoints = GetNGButtonTargets();
970 // Loop over all possible pairs of button tragets
971 for(Int_t iP1=0; iP1<nPoints; iP1++){
972 for(Int_t iP2=iP1+1; iP2<nPoints; iP2++){
973 printf("%d and %d\n",iP1,iP2);
974
975 if(CalculateBestTransf(iP1,iP2,lXYZ,lPTP)) {
976 nPairs++;
977
978 xce+=lXYZ[0];
979 yce+=lXYZ[1];
980 zce+=lXYZ[2];
981 phi+=lPTP[2];
982 }
983 }
984 }
985
986 if (!nPairs) return;
987
988 lXYZ[0]=xce/nPairs;
989 lXYZ[1]=yce/nPairs;
990 lXYZ[2]=zce/nPairs;
991 lPTP[2]=phi/nPairs;
992}
993
994void AliMUONSurveyObj::PrintLocalTrf() {
f7d36813 995 /// Print the local transformation
ba8b0266 996 Double_t lRotTemp[3];
997 AliMUONSurveyUtil::MatrixToAngles(fLocalTrf->GetRotationMatrix(),lRotTemp);
998 printf("(%.3f %.3f %.3f), (%.6f %.6f %.6f)\n",fLocalTrf->GetTranslation()[0],fLocalTrf->GetTranslation()[1],fLocalTrf->GetTranslation()[2],lRotTemp[0],lRotTemp[1],lRotTemp[2]);
999}
1000
1001void AliMUONSurveyObj::PrintAlignTrf() {
f7d36813 1002 /// Print the alignment transformation
ba8b0266 1003 Double_t lRotTemp[3];
1004 AliMUONSurveyUtil::MatrixToAngles(fAlignTrf->GetRotationMatrix(),lRotTemp);
1005 printf("(%.3f %.3f %.3f), (%.6f %.6f %.6f)\n",fAlignTrf->GetTranslation()[0],fAlignTrf->GetTranslation()[1],fAlignTrf->GetTranslation()[2],lRotTemp[0],lRotTemp[1],lRotTemp[2]);
1006}
1007
1008void AliMUONSurveyObj::FillSTHistograms(TString baseNameC, TH2 *hSTc, TString baseNameA, TH2 *hSTa) {
f7d36813 1009 /// Fill sticker target histograms for monitoring
ba8b0266 1010 if(baseNameC.IsNull()||!hSTc){
1011 AliError("Need base name for points on side C and/or a histogram for them!");
1012 return;
1013 }
1014 AliSurveyPoint *pointST = 0x0;
1015 for (Int_t iPoint=0; iPoint<GetNStickerTargets(); iPoint++) {
1016 pointST = GetStickerTarget(iPoint);
1017 if (!pointST) continue;
1018 if (pointST->GetPointName().Contains(baseNameC)){
1019 hSTc->Fill(pointST->GetX(),pointST->GetY(),-pointST->GetZ());
1020 } else if ((!baseNameA.IsNull()) &&
1021 (pointST->GetPointName().Contains(baseNameA))) {
1022 if (!hSTa){
1023 AliError("Base name for points on side A provided but no histogram for them!");
1024 continue;
1025 }
1026 hSTa->Fill(pointST->GetX(),pointST->GetY(),-pointST->GetZ());
1027 }
1028 }
1029}
1030
1031Double_t AliMUONSurveyObj::GetAlignResX() {
f7d36813 1032 /// Returns the uncertainty of the x translation parameter
ba8b0266 1033 if(!fFitter) {
1034 AliError("There is no fitter for this object! X resolution will be 0.");
1035 return 0.;
1036 }
1037 return fFitter->GetParError(0);
1038}
1039
1040Double_t AliMUONSurveyObj::GetAlignResY() {
f7d36813 1041 /// Returns the uncertainty of the y translation parameter
ba8b0266 1042 if(!fFitter) {
1043 AliError("There is no fitter for this object! Y resolution will be 0.");
1044 return 0.;
1045 }
1046 return fFitter->GetParError(1);
1047}
f7d36813 1048
1049AliSurveyPoint* AliMUONSurveyObj::ConvertPointUnits(AliSurveyPoint *stPoint, Float_t lFactor) {
1050 /// Return the AliSurveyPoint with new units. Default is from mm -> cm
1051 return new AliSurveyPoint(stPoint->GetPointName(),
1052 lFactor*stPoint->GetX(),lFactor*stPoint->GetY(),lFactor*stPoint->GetZ(),
1053 lFactor*stPoint->GetPrecisionX(),lFactor*stPoint->GetPrecisionY(),lFactor*stPoint->GetPrecisionZ(),
1054 stPoint->GetType(), stPoint->GetTarget());
1055}