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Adding HPTDC parameters that are to be used in MC (hits->digits). The preprocessor...
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1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * SigmaEffect_thetadegrees *
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 purpeateose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
16// $Id$
17
18//-----------------------------------------------------------------------------
19// Class AliMUONGeometryTransformer
20// ----------------------------
21// Top container class for geometry transformations
22// Author: Ivana Hrivnacova, IPN Orsay
23//-----------------------------------------------------------------------------
24
25#include "AliMUONGeometryTransformer.h"
26#include "AliMUONGeometryModuleTransformer.h"
27#include "AliMUONGeometryDetElement.h"
28#include "AliMUONGeometryBuilder.h"
29
30#include "AliMpDEManager.h"
31#include "AliMpConstants.h"
32#include "AliMpExMap.h"
33#include "AliMpCDB.h"
34#include "AliMpArea.h"
35#include <float.h>
36#include "AliMpVPadIterator.h"
37#include "AliMpPad.h"
38#include "AliMpDEIterator.h"
39#include <TVector2.h>
40#include "AliMpVSegmentation.h"
41#include "AliMpSegmentation.h"
42#include "AliMpExMapIterator.h"
43#include "AliLog.h"
44#include "AliAlignObjMatrix.h"
45#include "AliAlignObj.h"
46
47#include <Riostream.h>
48#include <TSystem.h>
49#include <TClonesArray.h>
50#include <TGeoManager.h>
51#include <TGeoPhysicalNode.h>
52#include <TFile.h>
53#include <TString.h>
54
55#include <sstream>
56
57/// \cond CLASSIMP
58ClassImp(AliMUONGeometryTransformer)
59/// \endcond
60
61const TString AliMUONGeometryTransformer::fgkDefaultDetectorName = "MUON";
62
63//______________________________________________________________________________
64AliMUONGeometryTransformer::AliMUONGeometryTransformer()
65
66 : TObject(),
67 fDetectorName(fgkDefaultDetectorName),
68 fModuleTransformers(0),
69 fMisAlignArray(0),
70 fDEAreas(0x0)
71{
72/// Standard constructor
73
74 // Create array for geometry modules
75 fModuleTransformers = new TObjArray(100);
76 fModuleTransformers->SetOwner(true);
77}
78
79//______________________________________________________________________________
80AliMUONGeometryTransformer::AliMUONGeometryTransformer(TRootIOCtor* /*ioCtor*/)
81 : TObject(),
82 fDetectorName(),
83 fModuleTransformers(0),
84 fMisAlignArray(0),
85 fDEAreas(0x0)
86{
87/// Default constructor
88}
89
90//______________________________________________________________________________
91AliMUONGeometryTransformer::~AliMUONGeometryTransformer()
92{
93/// Destructor
94
95 delete fModuleTransformers;
96 delete fMisAlignArray;
97 delete fDEAreas;
98}
99
100//
101// private methods
102//
103
104
105//_____________________________________________________________________________
106AliMpArea*
107AliMUONGeometryTransformer::GetDEArea(Int_t detElemId) const
108{
109 /// Get area (in global coordinates) covered by a given detection element
110 if (!fDEAreas)
111 {
112 CreateDEAreas();
113 }
114 return static_cast<AliMpArea*>(fDEAreas->GetValue(detElemId));
115}
116
117//_____________________________________________________________________________
118void
119AliMUONGeometryTransformer::CreateDEAreas() const
120{
121 /// Create DE areas
122
123 fDEAreas = new AliMpExMap;
124
125 AliMpDEIterator it;
126
127 it.First();
128
129 /// Generate the DE areas in global coordinates
130
131 while ( !it.IsDone() )
132 {
133 Int_t detElemId = it.CurrentDEId();
134
135 if ( !HasDE(detElemId) ) continue;
136
137 const AliMpVSegmentation* seg = AliMpSegmentation::Instance()->GetMpSegmentation(detElemId,AliMp::kCath0);
138
139 Double_t xg,yg,zg;
140
141 AliMp::StationType stationType = AliMpDEManager::GetStationType(detElemId);
142
143 Double_t xl(0.0), yl(0.0), zl(0.0);
144 Double_t dx(seg->GetDimensionX());
145 Double_t dy(seg->GetDimensionY());
146
147 if ( stationType == AliMp::kStation12 )
148 {
149 Double_t xmin(FLT_MAX);
150 Double_t xmax(-FLT_MAX);
151 Double_t ymin(FLT_MAX);
152 Double_t ymax(-FLT_MAX);
153
154 for ( Int_t icathode = 0; icathode < 2; ++icathode )
155 {
156 const AliMpVSegmentation* cathode
157 = AliMpSegmentation::Instance()->GetMpSegmentation(detElemId,AliMp::GetCathodType(icathode));
158
159 AliMpVPadIterator* itp = cathode->CreateIterator();
160
161 itp->First();
162
163 while ( !itp->IsDone() )
164 {
165 AliMpPad pad = itp->CurrentItem();
166 AliMpArea a(pad.GetPositionX(),pad.GetPositionY(),
167 pad.GetDimensionX(), pad.GetDimensionY());
168 xmin = TMath::Min(xmin,a.LeftBorder());
169 xmax = TMath::Max(xmax,a.RightBorder());
170 ymin = TMath::Min(ymin,a.DownBorder());
171 ymax = TMath::Max(ymax,a.UpBorder());
172 itp->Next();
173 }
174
175 delete itp;
176 }
177
178 xl = (xmin+xmax)/2.0;
179 yl = (ymin+ymax)/2.0;
180 dx = (xmax-xmin)/2.0;
181 dy = (ymax-ymin)/2.0;
182
183 Local2Global(detElemId,xl,yl,zl,xg,yg,zg);
184 }
185 else
186 {
187 Local2Global(detElemId,xl,yl,zl,xg,yg,zg);
188 }
189
190 fDEAreas->Add(detElemId,new AliMpArea(xg,yg,dx,dy));
191
192 it.Next();
193 }
194}
195
196//_____________________________________________________________________________
197Bool_t AliMUONGeometryTransformer::LoadMapping() const
198{
199/// Load mapping from CDB
200
201 if ( ! AliMpCDB::LoadMpSegmentation() )
202 {
203 AliFatal("Could not access mapping from OCDB !");
204 return false;
205 }
206
207 return true;
208}
209
210//_____________________________________________________________________________
211AliMUONGeometryModuleTransformer*
212AliMUONGeometryTransformer::GetModuleTransformerNonConst(
213 Int_t index, Bool_t warn) const
214{
215/// Return the geometry module specified by index
216
217 if (index < 0 || index >= fModuleTransformers->GetEntriesFast()) {
218 if (warn) {
219 AliWarningStream()
220 << "Index: " << index << " outside limits" << std::endl;
221 }
222 return 0;
223 }
224
225 return (AliMUONGeometryModuleTransformer*) fModuleTransformers->At(index);
226}
227
228//______________________________________________________________________________
229TGeoHMatrix AliMUONGeometryTransformer::GetTransform(
230 Double_t x, Double_t y, Double_t z,
231 Double_t a1, Double_t a2, Double_t a3,
232 Double_t a4, Double_t a5, Double_t a6) const
233{
234/// Build the transformation from the given parameters
235
236 // Compose transform
237 return TGeoCombiTrans(TGeoTranslation(x, y, z),
238 TGeoRotation("rot", a1, a2, a3, a4, a5, a6));
239}
240
241
242//______________________________________________________________________________
243void AliMUONGeometryTransformer::FillModuleTransform(Int_t moduleId,
244 Double_t x, Double_t y, Double_t z,
245 Double_t a1, Double_t a2, Double_t a3,
246 Double_t a4, Double_t a5, Double_t a6)
247{
248/// Fill the transformation of the module.
249
250 AliMUONGeometryModuleTransformer* moduleTransformer
251 = GetModuleTransformerNonConst(moduleId, false);
252
253 if ( !moduleTransformer) {
254 AliErrorStream()
255 << "Module " << moduleId << " has not volume path defined." << endl;
256 }
257
258 // Build the transformation from the parameters
259 TGeoHMatrix transform
260 = GetTransform(x, y, z, a1, a2, a3, a4, a5, a6);
261
262 moduleTransformer->SetTransformation(transform);
263}
264
265//______________________________________________________________________________
266void AliMUONGeometryTransformer::FillDetElemTransform(
267 Int_t detElemId,
268 Double_t x, Double_t y, Double_t z,
269 Double_t a1, Double_t a2, Double_t a3,
270 Double_t a4, Double_t a5, Double_t a6)
271{
272/// Fill the transformation of the detection element.
273
274 // Module Id
275 Int_t moduleId = AliMpDEManager::GetGeomModuleId(detElemId);
276
277 // Get module transformer
278 const AliMUONGeometryModuleTransformer* kModuleTransformer
279 = GetModuleTransformer(moduleId);
280
281 if ( ! kModuleTransformer ) {
282 AliFatal(Form("Module transformer not defined, detElemId: %d", detElemId));
283 return;
284 }
285
286 // Get detection element
287 AliMUONGeometryDetElement* detElement
288 = kModuleTransformer->GetDetElement(detElemId);
289
290 if ( ! detElement ) {
291 AliFatal(Form("Det element %d has not volume path defined", detElemId));
292 return;
293 }
294
295 // Build the transformation from the parameters
296 TGeoHMatrix localTransform
297 = GetTransform(x, y, z, a1, a2, a3, a4, a5, a6);
298 detElement->SetLocalTransformation(localTransform);
299
300 // Compute global transformation
301 TGeoHMatrix globalTransform
302 = AliMUONGeometryBuilder::Multiply(
303 *kModuleTransformer->GetTransformation(),
304 localTransform );
305 detElement->SetGlobalTransformation(globalTransform);
306}
307
308//______________________________________________________________________________
309TString AliMUONGeometryTransformer::ReadModuleTransforms(ifstream& in)
310{
311/// Read and fill modules transformations from the stream.
312/// Return true, if reading finished correctly.
313
314 TString key(AliMUONGeometryModuleTransformer::GetModuleNamePrefix());
315 while ( key == AliMUONGeometryModuleTransformer::GetModuleNamePrefix() ) {
316 Int_t id;
317 Double_t x, y, z;
318 Double_t a1, a2, a3, a4, a5, a6;
319 TString dummy;
320
321 in >> id;
322 in >> dummy;
323 in >> x;
324 in >> y;
325 in >> z;
326 in >> dummy;
327 in >> a1;
328 in >> a2;
329 in >> a3;
330 in >> a4;
331 in >> a5;
332 in >> a6;
333
334 //cout << "moduleId=" << id << " "
335 // << "position= " << x << ", " << y << ", " << z << " "
336 // << "rotation= " << a1 << ", " << a2 << ", " << a3 << ", "
337 // << a4 << ", " << a5 << ", " << a6
338 // << endl;
339
340 // Fill data
341 FillModuleTransform(id, x, y, z, a1, a2, a3, a4, a5, a6);
342
343 // Go to next line
344 in >> key;
345 }
346
347 return key;
348}
349
350//______________________________________________________________________________
351TString AliMUONGeometryTransformer::ReadDetElemTransforms(ifstream& in)
352{
353/// Read detection elements transformations from the stream.
354/// Return true, if reading finished correctly.
355
356 TString key(AliMUONGeometryDetElement::GetDENamePrefix());
357 while ( key == AliMUONGeometryDetElement::GetDENamePrefix() ) {
358
359 // Input data
360 Int_t detElemId;
361 Double_t x, y, z;
362 Double_t a1, a2, a3, a4, a5, a6;
363 TString dummy;
364
365 in >> detElemId;
366 in >> dummy;
367 in >> x;
368 in >> y;
369 in >> z;
370 in >> dummy;
371 in >> a1;
372 in >> a2;
373 in >> a3;
374 in >> a4;
375 in >> a5;
376 in >> a6;
377
378 //cout << "detElemId=" << detElemId << " "
379 // << "position= " << x << ", " << y << ", " << z << " "
380 // << "rotation= " << a1 << ", " << a2 << ", " << a3 << ", "
381 // << a4 << ", " << a5 << ", " << a6
382 // << endl;
383
384 // Fill data
385 FillDetElemTransform(detElemId, x, y, z, a1, a2, a3, a4, a5, a6);
386
387 // Go to next line
388 in >> key;
389 }
390
391 return key;
392}
393
394//______________________________________________________________________________
395Bool_t
396AliMUONGeometryTransformer::ReadTransformations(const TString& fileName)
397{
398/// Read transformations from a file.
399/// Return true, if reading finished correctly.
400
401 // File path
402 TString filePath = gSystem->Getenv("ALICE_ROOT");
403 filePath += "/MUON/data/";
404 filePath += fileName;
405
406 // Open input file
407 ifstream in(filePath, ios::in);
408 if (!in) {
409 cerr << filePath << endl;
410 AliFatal("File not found.");
411 return false;
412 }
413
414 TString key;
415 in >> key;
416 while ( !in.eof() ) {
417 if ( key == AliMUONGeometryModuleTransformer::GetModuleNamePrefix() )
418 key = ReadModuleTransforms(in);
419 else if ( key == AliMUONGeometryDetElement::GetDENamePrefix() )
420 key = ReadDetElemTransforms(in);
421 else {
422 AliFatal(Form("%s key not recognized", key.Data()));
423 return false;
424 }
425 }
426
427 return true;
428}
429
430//______________________________________________________________________________
431void AliMUONGeometryTransformer::WriteTransform(ofstream& out,
432 const TGeoMatrix* transform) const
433{
434/// Write given transformation
435
436 out << " pos: ";
437 const Double_t* xyz = transform->GetTranslation();
438 out << setw(10) << setprecision(4) << xyz[0] << " "
439 << setw(10) << setprecision(4) << xyz[1] << " "
440 << setw(10) << setprecision(4) << xyz[2];
441
442 out << " rot: ";
443 const Double_t* rm = transform->GetRotationMatrix();
444 TGeoRotation rotation;
445 rotation.SetMatrix(const_cast<Double_t*>(rm));
446 Double_t a1, a2, a3, a4, a5, a6;
447 rotation.GetAngles(a1, a2, a3, a4, a5, a6);
448
449 out << setw(8) << setprecision(4) << a1 << " "
450 << setw(8) << setprecision(4) << a2 << " "
451 << setw(8) << setprecision(4) << a3 << " "
452 << setw(8) << setprecision(4) << a4 << " "
453 << setw(8) << setprecision(4) << a5 << " "
454 << setw(8) << setprecision(4) << a6 << " " << endl;
455}
456
457//______________________________________________________________________________
458void AliMUONGeometryTransformer::WriteModuleTransforms(ofstream& out) const
459{
460/// Write module transformations for all module transformers
461
462 for (Int_t i=0; i<fModuleTransformers->GetEntriesFast(); i++) {
463 AliMUONGeometryModuleTransformer* moduleTransformer
464 = (AliMUONGeometryModuleTransformer*)fModuleTransformers->At(i);
465 const TGeoMatrix* transform
466 = moduleTransformer->GetTransformation();
467
468 // Write data on out
469 out << AliMUONGeometryModuleTransformer::GetModuleNamePrefix() << " "
470 << setw(4) << moduleTransformer->GetModuleId();
471
472 WriteTransform(out, transform);
473 }
474 out << endl;
475}
476
477//______________________________________________________________________________
478void AliMUONGeometryTransformer::WriteDetElemTransforms(ofstream& out) const
479{
480/// Write detection element transformations for all detection elements in all
481/// module transformers
482
483 for (Int_t i=0; i<fModuleTransformers->GetEntriesFast(); i++) {
484 AliMUONGeometryModuleTransformer* moduleTransformer
485 = (AliMUONGeometryModuleTransformer*)fModuleTransformers->At(i);
486 AliMpExMap* detElements = moduleTransformer->GetDetElementStore();
487 TIter next(detElements->CreateIterator());
488 AliMUONGeometryDetElement* detElement;
489 while ( ( detElement = static_cast<AliMUONGeometryDetElement*>(next()) ) )
490 {
491 const TGeoMatrix* transform
492 = detElement->GetLocalTransformation();
493
494 // Write data on out
495 out << AliMUONGeometryDetElement::GetDENamePrefix() << " "
496 << setw(4) << detElement->GetId();
497
498 WriteTransform(out, transform);
499 }
500 out << endl;
501 }
502}
503
504//______________________________________________________________________________
505TString AliMUONGeometryTransformer::GetModuleSymName(Int_t moduleId) const
506{
507/// Return the module symbolic name (use for alignment)
508
509 return "/" + fDetectorName + "/"
510 + AliMUONGeometryModuleTransformer::GetModuleName(moduleId);
511}
512
513//______________________________________________________________________________
514TString AliMUONGeometryTransformer::GetDESymName(Int_t detElemId) const
515{
516/// Return the detection element symbolic name (used for alignment)
517
518 // Module Id
519 Int_t moduleId = AliMpDEManager::GetGeomModuleId(detElemId);
520
521 return GetModuleSymName(moduleId) + "/"
522 + AliMUONGeometryDetElement::GetDEName(detElemId);
523}
524
525//
526// public functions
527//
528
529//______________________________________________________________________________
530Bool_t
531AliMUONGeometryTransformer::LoadTransformations()
532{
533/// Load transformations for defined modules and detection elements
534/// using AliGeomManager
535
536 if ( ! AliGeomManager::GetGeometry() ) {
537 AliFatal("Geometry has to be laoded in AliGeomManager first.");
538 return false;
539 }
540
541 for (Int_t i=0; i<fModuleTransformers->GetEntriesFast(); i++) {
542 AliMUONGeometryModuleTransformer* moduleTransformer
543 = (AliMUONGeometryModuleTransformer*)fModuleTransformers->At(i);
544
545 // Module symbolic name
546 TString symname = GetModuleSymName(moduleTransformer->GetModuleId());
547
548 // Set matrix from physical node
549 TGeoHMatrix* matrix = AliGeomManager::GetMatrix(symname);
550 if ( ! matrix ) {
551 AliErrorStream() << "Geometry module matrix not found." << endl;
552 return false;
553 }
554 moduleTransformer->SetTransformation(*matrix);
555
556 // Loop over detection elements
557 AliMpExMap* detElements = moduleTransformer->GetDetElementStore();
558 TIter next(detElements->CreateIterator());
559 AliMUONGeometryDetElement* detElement;
560
561 while ( ( detElement = static_cast<AliMUONGeometryDetElement*>(next()) ) )
562 {
563 // Det element symbolic name
564 TString symnameDE = GetDESymName(detElement->GetId());
565
566 // Set global matrix from physical node
567 TGeoHMatrix* globalMatrix = AliGeomManager::GetMatrix(symnameDE);
568 if ( ! globalMatrix ) {
569 AliErrorStream() << "Detection element matrix not found." << endl;
570 return false;
571 }
572 detElement->SetGlobalTransformation(*globalMatrix, false);
573
574 // Set local matrix
575 TGeoHMatrix localMatrix =
576 AliMUONGeometryBuilder::Multiply(
577 (*matrix).Inverse(), (*globalMatrix) );
578 detElement->SetLocalTransformation(localMatrix, false);
579 }
580 }
581 return true;
582}
583
584//______________________________________________________________________________
585Bool_t
586AliMUONGeometryTransformer::LoadGeometryData(const TString& fileName)
587{
588/// Read geometry data either from ASCII file with transformations or
589/// from root geometry file (if fileName has ".root" extension)
590
591 CreateModules();
592
593 // Get file extension
594 std::string fileName2 = fileName.Data();
595 std::string rootExt = fileName2.substr(fileName2.size()-5, fileName2.size());
596
597 if ( rootExt != ".root" )
598 return ReadTransformations(fileName);
599 else {
600 // Load root geometry
601 AliGeomManager::LoadGeometry(fileName.Data());
602 return LoadTransformations();
603 }
604}
605
606//______________________________________________________________________________
607Bool_t
608AliMUONGeometryTransformer::LoadGeometryData()
609{
610/// Load geometry data from already loaded Root geometry using AliGeomManager
611
612 if ( ! AliGeomManager::GetGeometry() ) {
613 AliErrorStream() << "Geometry has not been loaded in AliGeomManager" << endl;
614 return false;
615 }
616
617 CreateModules();
618
619 return LoadTransformations();
620}
621
622//______________________________________________________________________________
623Bool_t
624AliMUONGeometryTransformer::WriteTransformations(const TString& fileName) const
625{
626/// Write transformations into a file.
627/// Return true, if writing finished correctly.
628
629 // No writing
630 // if builder is not associated with any geometry module
631 if (fModuleTransformers->GetEntriesFast() == 0) return false;
632
633 // File path
634 TString filePath = gSystem->Getenv("ALICE_ROOT");
635 filePath += "/MUON/data/";
636 filePath += fileName;
637
638 // Open output file
639 ofstream out(filePath, ios::out);
640 if (!out) {
641 cerr << filePath << endl;
642 AliError("File not found.");
643 return false;
644 }
645#if !defined (__DECCXX)
646 out.setf(std::ios::fixed);
647#endif
648 WriteModuleTransforms(out);
649 WriteDetElemTransforms(out);
650
651 return true;
652}
653
654//______________________________________________________________________________
655Bool_t
656AliMUONGeometryTransformer::WriteMisAlignmentData(const TString& fileName) const
657{
658/// Write misalignment data into a file
659/// Return true, if writing finished correctly.
660
661 // No writing
662 // if builder is not associated with any geometry module
663 if ( fModuleTransformers->GetEntriesFast() == 0 ) {
664 AliWarningStream() << "No geometry modules defined." << endl;
665 return false;
666 }
667
668 // No writing
669 // if builder has no mis-alignment data
670 if ( ! fMisAlignArray ) {
671 AliWarningStream() << "No mis-alignment data defined." << endl;
672 return false;
673 }
674
675 // File path
676 TString filePath = gSystem->Getenv("ALICE_ROOT");
677 filePath += "/MUON/data/";
678 filePath += fileName;
679
680 // Write mis-alignment data in the root file
681 TFile file(fileName.Data(), "RECREATE");
682 fMisAlignArray->Write();
683 file.Close();
684
685 return true;
686}
687
688//_____________________________________________________________________________
689void AliMUONGeometryTransformer::AddModuleTransformer(
690 AliMUONGeometryModuleTransformer* moduleTransformer)
691{
692/// Add the module transformer to the array
693
694 // Expand the size if not sufficient
695 Int_t moduleId = moduleTransformer->GetModuleId();
696 if ( moduleId >= fModuleTransformers->GetSize() )
697 fModuleTransformers->Expand(moduleId+1);
698
699 fModuleTransformers->AddAt(moduleTransformer, moduleId);
700}
701
702//_____________________________________________________________________________
703void AliMUONGeometryTransformer::AddMisAlignModule(Int_t moduleId,
704 const TGeoHMatrix& matrix)
705{
706/// Build AliAlignObjMatrix with module ID, its volumePath
707/// and the given delta transformation matrix
708
709 if ( ! fMisAlignArray )
710 fMisAlignArray = new TClonesArray("AliAlignObjMatrix", 200);
711
712 const AliMUONGeometryModuleTransformer* kTransformer
713 = GetModuleTransformer(moduleId);
714 if ( ! kTransformer ) {
715 AliErrorStream() << "Module " << moduleId << " not found." << endl;
716 return;
717 }
718
719 // Get unique align object ID
720 Int_t volId = AliGeomManager::LayerToVolUID(AliGeomManager::kMUON, moduleId);
721
722 // Create mis align matrix
723 TClonesArray& refArray =*fMisAlignArray;
724 Int_t pos = fMisAlignArray->GetEntriesFast();
725 new (refArray[pos]) AliAlignObjMatrix(GetModuleSymName(moduleId), volId,
726 const_cast<TGeoHMatrix&>(matrix),kTRUE);
727}
728
729//_____________________________________________________________________________
730void AliMUONGeometryTransformer::AddMisAlignDetElement(Int_t detElemId,
731 const TGeoHMatrix& matrix)
732{
733/// Build AliAlignObjMatrix with detection element ID, its volumePath
734/// and the given delta transformation matrix
735
736 if ( ! fMisAlignArray )
737 fMisAlignArray = new TClonesArray("AliAlignObjMatrix", 200);
738
739 const AliMUONGeometryDetElement* kDetElement
740 = GetDetElement(detElemId);
741
742 if ( ! kDetElement ) {
743 AliErrorStream() << "Det element " << detElemId << " not found." << endl;
744 return;
745 }
746
747 // Get unique align object ID
748 Int_t volId = AliGeomManager::LayerToVolUID(AliGeomManager::kMUON, detElemId);
749
750 // Create mis align matrix
751 TClonesArray& refArray =*fMisAlignArray;
752 Int_t pos = fMisAlignArray->GetEntriesFast();
753 new(refArray[pos]) AliAlignObjMatrix(GetDESymName(detElemId), volId,
754 const_cast<TGeoHMatrix&>(matrix),kTRUE);
755}
756
757//______________________________________________________________________________
758void AliMUONGeometryTransformer::CreateModules()
759{
760/// Create modules and their detection elements using info from mapping;
761/// but do not fill matrices
762
763 // Load mapping as its info is used to define modules & DEs
764 LoadMapping();
765
766 if ( fModuleTransformers->GetEntriesFast() == 0 ) {
767 // Create modules only if they do not yet exist
768
769 // Loop over geometry module
770 for (Int_t moduleId = 0; moduleId < AliMpConstants::NofGeomModules(); ++moduleId ) {
771
772 // Create geometry module transformer
773 AliMUONGeometryModuleTransformer* moduleTransformer
774 = new AliMUONGeometryModuleTransformer(moduleId);
775 AddModuleTransformer(moduleTransformer);
776 }
777 }
778
779 // Loop over detection elements
780 AliMpDEIterator it;
781 for ( it.First(); ! it.IsDone(); it.Next() ) {
782
783 Int_t detElemId = it.CurrentDEId();
784 Int_t moduleId = AliMpDEManager::GetGeomModuleId(detElemId);
785
786 // Get detection element store
787 AliMpExMap* detElements =
788 GetModuleTransformer(moduleId)->GetDetElementStore();
789
790 // Add detection element
791 AliMUONGeometryDetElement* detElement
792 = new AliMUONGeometryDetElement(detElemId);
793 detElements->Add(detElemId, detElement);
794 }
795}
796
797//_____________________________________________________________________________
798void AliMUONGeometryTransformer::AddAlignableVolumes() const
799{
800/// Set symbolic names and matrices to alignable objects to TGeo
801
802 if ( ! gGeoManager ) {
803 AliWarning("TGeoManager not defined.");
804 return;
805 }
806
807 // Modules
808 for (Int_t i=0; i<fModuleTransformers->GetEntriesFast(); i++) {
809 AliMUONGeometryModuleTransformer* module
810 = (AliMUONGeometryModuleTransformer*)fModuleTransformers->At(i);
811
812 // Set module symbolic name
813 TGeoPNEntry* pnEntry
814 = gGeoManager->SetAlignableEntry(GetModuleSymName(module->GetModuleId()),
815 module->GetVolumePath());
816 if ( ! pnEntry ) {
817 AliErrorStream()
818 << "Volume path " << module->GetVolumePath().Data()
819 << " for geometry module " << module->GetModuleId() << " " << module
820 << " not found in geometry." << endl;
821 }
822 else {
823 // Set module matrix
824 pnEntry->SetMatrix(new TGeoHMatrix(*module->GetTransformation()));
825 // the matrix will be deleted via TGeoManager
826 }
827
828 // Detection elements
829 AliMpExMap* detElements = module->GetDetElementStore();
830 TIter next(detElements->CreateIterator());
831 AliMUONGeometryDetElement* detElement;
832
833 while ( ( detElement = static_cast<AliMUONGeometryDetElement*>(next()) ) )
834 {
835 // Set detection element symbolic name
836 TGeoPNEntry* pnEntryDE
837 = gGeoManager->SetAlignableEntry(GetDESymName(detElement->GetId()),
838 detElement->GetVolumePath());
839 if ( ! pnEntryDE ) {
840 AliErrorStream()
841 << "Volume path "
842 << detElement->GetVolumePath().Data()
843 << " for detection element " << detElement->GetId()
844 << " not found in geometry." << endl;
845 }
846 else {
847 // Set detection element matrix
848 pnEntryDE->SetMatrix(new TGeoHMatrix(*detElement->GetGlobalTransformation()));
849 // the matrix will be deleted via TGeoManager
850 }
851 }
852 }
853}
854
855//_____________________________________________________________________________
856TClonesArray* AliMUONGeometryTransformer::CreateZeroAlignmentData() const
857{
858/// Create array with zero alignment data
859
860 // Create array for zero-alignment objects
861 TClonesArray* array = new TClonesArray("AliAlignObjMatrix", 200);
862 TClonesArray& refArray =*array;
863 array->SetOwner(true);
864
865 // Identity matrix
866 TGeoHMatrix matrix;
867
868 // Modules
869 for (Int_t i=0; i<fModuleTransformers->GetEntriesFast(); i++) {
870 AliMUONGeometryModuleTransformer* module
871 = (AliMUONGeometryModuleTransformer*)fModuleTransformers->At(i);
872
873 Int_t moduleId = module->GetModuleId();
874
875 // Align object ID
876 Int_t volId = AliGeomManager::LayerToVolUID(AliGeomManager::kMUON, moduleId);
877
878 // Create mis align matrix
879 Int_t pos = array->GetEntriesFast();
880 new (refArray[pos]) AliAlignObjMatrix(GetModuleSymName(moduleId), volId, matrix, kTRUE);
881 }
882
883 // Detection elements
884 for (Int_t i=0; i<fModuleTransformers->GetEntriesFast(); i++) {
885 AliMUONGeometryModuleTransformer* moduleTransformer
886 = (AliMUONGeometryModuleTransformer*)fModuleTransformers->At(i);
887
888 AliMpExMap* detElements = moduleTransformer->GetDetElementStore();
889 TIter next(detElements->CreateIterator());
890 AliMUONGeometryDetElement* detElement;
891
892 while ( ( detElement = static_cast<AliMUONGeometryDetElement*>(next()) ) )
893 {
894 Int_t detElemId = detElement->GetId();
895
896 // Align object ID
897 Int_t volId = AliGeomManager::LayerToVolUID(AliGeomManager::kMUON, detElemId);
898
899 // Create mis align matrix
900 Int_t pos = array->GetEntriesFast();
901 new (refArray[pos]) AliAlignObjMatrix(GetDESymName(detElemId), volId, matrix, kTRUE);
902 }
903 }
904
905 return array;
906}
907
908//_____________________________________________________________________________
909void AliMUONGeometryTransformer::ClearMisAlignmentData()
910{
911/// Clear the array of misalignment data
912
913 if ( ! fMisAlignArray ) return;
914
915 fMisAlignArray->Delete();
916}
917
918//_____________________________________________________________________________
919void AliMUONGeometryTransformer::Global2Local(Int_t detElemId,
920 Float_t xg, Float_t yg, Float_t zg,
921 Float_t& xl, Float_t& yl, Float_t& zl) const
922{
923/// Transform point from the global reference frame (ALIC)
924/// to the local reference frame of the detection element specified
925/// by detElemId.
926
927 const AliMUONGeometryModuleTransformer* kTransformer
928 = GetModuleTransformerByDEId(detElemId);
929
930 if (kTransformer)
931 kTransformer->Global2Local(detElemId, xg, yg, zg, xl, yl, zl);
932}
933
934//_____________________________________________________________________________
935void AliMUONGeometryTransformer::Global2Local(Int_t detElemId,
936 Double_t xg, Double_t yg, Double_t zg,
937 Double_t& xl, Double_t& yl, Double_t& zl) const
938{
939/// Transform point from the global reference frame (ALIC)
940/// to the local reference frame of the detection element specified
941/// by detElemId.
942
943 const AliMUONGeometryModuleTransformer* kTransformer
944 = GetModuleTransformerByDEId(detElemId);
945
946 if (kTransformer)
947 kTransformer->Global2Local(detElemId, xg, yg, zg, xl, yl, zl);
948}
949
950//_____________________________________________________________________________
951void AliMUONGeometryTransformer::Local2Global(Int_t detElemId,
952 Float_t xl, Float_t yl, Float_t zl,
953 Float_t& xg, Float_t& yg, Float_t& zg) const
954{
955/// Transform point from the local reference frame of the detection element
956/// specified by detElemId to the global reference frame (ALIC).
957
958 const AliMUONGeometryModuleTransformer* kTransformer
959 = GetModuleTransformerByDEId(detElemId);
960
961 if (kTransformer)
962 kTransformer->Local2Global(detElemId, xl, yl, zl, xg, yg, zg);
963}
964
965//_____________________________________________________________________________
966void AliMUONGeometryTransformer::Local2Global(Int_t detElemId,
967 Double_t xl, Double_t yl, Double_t zl,
968 Double_t& xg, Double_t& yg, Double_t& zg) const
969{
970/// Transform point from the local reference frame of the detection element
971/// specified by detElemId to the global reference frame (ALIC).
972
973 const AliMUONGeometryModuleTransformer* kTransformer
974 = GetModuleTransformerByDEId(detElemId);
975
976 if (kTransformer)
977 kTransformer->Local2Global(detElemId, xl, yl, zl, xg, yg, zg);
978}
979
980//_____________________________________________________________________________
981const AliMUONGeometryModuleTransformer*
982AliMUONGeometryTransformer::GetModuleTransformer(Int_t index, Bool_t warn) const
983{
984/// Return the geometry module transformer specified by index
985
986 return GetModuleTransformerNonConst(index, warn);
987}
988
989//_____________________________________________________________________________
990const AliMUONGeometryModuleTransformer*
991AliMUONGeometryTransformer::GetModuleTransformerByDEId(Int_t detElemId,
992 Bool_t warn) const
993{
994/// Return the geometry module transformer specified by detection element ID
995
996 // Get module index
997 Int_t index = AliMpDEManager::GetGeomModuleId(detElemId);
998
999 return GetModuleTransformer(index, warn);
1000}
1001
1002//_____________________________________________________________________________
1003const AliMUONGeometryDetElement*
1004AliMUONGeometryTransformer::GetDetElement(Int_t detElemId, Bool_t warn) const
1005{
1006/// Return detection element with given detElemId
1007
1008 const AliMUONGeometryModuleTransformer* kTransformer
1009 = GetModuleTransformerByDEId(detElemId, warn);
1010
1011 if (!kTransformer) return 0;
1012
1013 return kTransformer->GetDetElement(detElemId, warn);
1014}
1015
1016//_____________________________________________________________________________
1017Bool_t AliMUONGeometryTransformer::HasDE(Int_t detElemId) const
1018{
1019/// Return true if detection element with given detElemId is defined
1020
1021 const AliMUONGeometryModuleTransformer* kTransformer
1022 = GetModuleTransformerByDEId(detElemId, false);
1023
1024 if (!kTransformer) return false;
1025
1026 return ( kTransformer->GetDetElement(detElemId, false) != 0 );
1027}
1028
1029