ATLAS Offline Software
GeometryBuilder.cxx
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1 /*
2  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
3 */
4 
6 // GeometryBuilder.cxx, (c) ATLAS Detector software
8 
9 // Trk include
10 #include "TrkDetDescrTools/GeometryBuilder.h"
11 #include "TrkDetDescrInterfaces/ITrackingVolumeBuilder.h"
12 #include "TrkDetDescrInterfaces/ILayerBuilder.h"
13 #include "TrkDetDescrInterfaces/ITrackingVolumeArrayCreator.h"
14 #include "TrkDetDescrInterfaces/ITrackingVolumeHelper.h"
15 #include "TrkVolumes/CylinderVolumeBounds.h"
16 #include "TrkGeometry/TrackingVolume.h"
17 #include "TrkGeometry/TrackingGeometry.h"
18 #include "TrkGeometry/GlueVolumesDescriptor.h"
19 
20 #ifdef TRKDETDESCR_MEMUSAGE
21 #include <unistd.h>
22 #endif
23 
24 // Amg
25 #include "GeoPrimitives/GeoPrimitives.h"
26 // STD
27 #include <map>
28 // Gaudi
29 #include "GaudiKernel/MsgStream.h"
30 #include "GaudiKernel/SystemOfUnits.h"
31 
32 
33 // constructor
34 Trk::GeometryBuilder::GeometryBuilder(const std::string& t, const std::string& n, const IInterface* p)
35 : AthAlgTool(t,n,p),
36  TrackingVolumeManipulator(),
37 #ifdef TRKDETDESCR_MEMUSAGE
38  m_memoryLogger(),
39 #endif
40  m_createWorld(true),
41  m_navigationLevel(2),
42  m_worldDimension(),
43  m_worldMaterialProperties(),
44  m_trackingVolumeArrayCreator("Trk::TrackingVolumeArrayCreator/TrackingVolumeArrayCreator"),
45  m_trackingVolumeHelper("Trk::TrackingVolumeHelper/TrackingVolumeHelper"),
46  m_inDetGeometryBuilder("", this),
47  m_caloGeometry{},
48  m_caloGeometryBuilder("", this),
49  m_muonGeometry{},
50  m_muonGeometryBuilder("", this),
51  m_compactify(true),
52  m_synchronizeLayers(true)
53 {
54  declareInterface<IGeometryBuilder>(this);
55  // by hand declarations
56  declareProperty("CreateWorldManually", m_createWorld);
57  declareProperty("NavigationLevel", m_navigationLevel);
58  // (1) dimension & material
59  declareProperty("WorldDimension", m_worldDimension);
60  declareProperty("WorldMaterialProperties", m_worldMaterialProperties);
61  // tool declarations ----------------------------------------------------------------
62  declareProperty("TrackingVolumeArrayCreator", m_trackingVolumeArrayCreator);
63  declareProperty("TrackingVolumeHelper", m_trackingVolumeHelper);
64  declareProperty("InDetTrackingGeometryBuilder", m_inDetGeometryBuilder);
65  declareProperty("CaloTrackingGeometryBuilder", m_caloGeometryBuilder);
66  declareProperty("MuonTrackingGeometryBuilder", m_muonGeometryBuilder);
67  // optimize layer dimension & memory usage -------------------------------
68  declareProperty("Compactify", m_compactify );
69  declareProperty("SynchronizeLayers", m_synchronizeLayers );
70 }
71 
72 // destructor
73 Trk::GeometryBuilder::~GeometryBuilder()
74 = default;
75 
76 
77 // Athena standard methods
78 // initialize
79 StatusCode Trk::GeometryBuilder::initialize()
80 {
81 
82  // Retrieve the volume array creator ----------------------------------------------------
83  ATH_CHECK(m_trackingVolumeArrayCreator.retrieve());
84 
85  // Retrieve the tracking volume helper --------------------------------------------------
86  ATH_CHECK (m_trackingVolumeHelper.retrieve());
87  // Geometries =============================================================================
88  // (I) Inner Detector ---------------------------------------------------------------------
89  if (!m_inDetGeometryBuilder.empty()) {
90  ATH_CHECK(m_inDetGeometryBuilder.retrieve());
91  }
92  // (C) Calorimeter --------------------------------------------------------------------------
93  if (!m_caloGeometryBuilder.empty()) {
94  ATH_CHECK (m_caloGeometryBuilder.retrieve());
95  }
96  // (M) Muon System -------------------------------------------------------------------------
97  if (!m_muonGeometryBuilder.empty()) {
98  ATH_CHECK(m_muonGeometryBuilder.retrieve());
99  }
100 
101  // if no world dimensions are declared, take default ones
102  if (m_worldDimension.empty())
103  m_worldDimension = std::vector<double>{0.*Gaudi::Units::meter, 10.*Gaudi::Units::meter, 15.*Gaudi::Units::meter};
104 
105  // if no world materials are declared, take default ones - set vacuum
106  if (m_worldMaterialProperties.size() < 5)
107  m_worldMaterialProperties = std::vector<double>{10.e10,10.e10,0., 0., 0.};
108 
109  m_worldMaterial = Trk::Material(m_worldMaterialProperties[0],
110  m_worldMaterialProperties[1],
111  m_worldMaterialProperties[2],
112  m_worldMaterialProperties[3],
113  m_worldMaterialProperties[4]);
114 
115  ATH_MSG_DEBUG( " initialize() successful" );
116 
117  return StatusCode::SUCCESS;
118 }
119 
120 
121 std::unique_ptr<Trk::TrackingGeometry> Trk::GeometryBuilder::trackingGeometry(Trk::TrackingVolume*) const
122 {
123 
124  // the geometry to be constructed
125  std::unique_ptr<Trk::TrackingGeometry> tGeometry = nullptr;
126  if ( m_inDetGeometryBuilder.empty() && m_caloGeometryBuilder.empty() && m_muonGeometryBuilder.empty() ) {
127 
128  ATH_MSG_VERBOSE( "Configured to only create world TrackingVolume." );
129 
130  auto worldBounds = std::make_shared<Trk::CylinderVolumeBounds>(m_worldDimension[0],
131  m_worldDimension[1],
132  m_worldDimension[2]);
133 
134  Trk::TrackingVolume* worldVolume = new Trk::TrackingVolume(nullptr,
135  std::move(worldBounds),
136  m_worldMaterial,
137  nullptr,
138  nullptr,
139  "EmptyWorldVolume");
140 
141  // create a new geometry
142  tGeometry = std::make_unique<Trk::TrackingGeometry>(worldVolume);
143  } else
144  tGeometry = atlasTrackingGeometry();
145  // sign it before you return anything
146  tGeometry->sign(geometrySignature());
147  return tGeometry;
148 
149 }
150 
151 
152 std::unique_ptr<Trk::TrackingGeometry> Trk::GeometryBuilder::atlasTrackingGeometry() const
153 {
154  // the return geometry
155  std::unique_ptr<Trk::TrackingGeometry> atlasTrackingGeometry = nullptr;
156 
157  // A ------------- INNER DETECTOR SECTION --------------------------------------------------------------------------------
158  // get the Inner Detector and/or Calorimeter trackingGeometry
159  std::unique_ptr<Trk::TrackingGeometry> inDetTrackingGeometry = nullptr;
160  std::unique_ptr<Trk::TrackingGeometry> caloTrackingGeometry = nullptr;
161 
162  // the volumes to be given to higher level tracking geometry builders
163  Trk::TrackingVolume* inDetVolume = nullptr;
164  Trk::TrackingVolume* caloVolume = nullptr;
165 
166  // mark the highest volume
167  Trk::TrackingVolume* highestVolume = nullptr;
168 
169 #ifdef TRKDETDESCR_MEMUSAGE
170  m_memoryLogger.refresh(getpid());
171  ATH_MSG_INFO( "[ memory usage ] Start of TrackingGeometry building: " );
172  ATH_MSG_INFO( m_memoryLogger );
173 #endif
174 
175  // ========================== INNER DETECTOR PART =================================================
176  if (!m_inDetGeometryBuilder.empty()) {
177  // debug output
178  ATH_MSG_VERBOSE( "ID Tracking Geometry is going to be built." );
179  // build the geometry
180  inDetTrackingGeometry = m_inDetGeometryBuilder->trackingGeometry();
181  // check
182  if (inDetTrackingGeometry) {
183  // sign it
184  inDetTrackingGeometry->sign(m_inDetGeometryBuilder->geometrySignature());
185  // check whether the world has to be created or not
186  if (m_createWorld || m_caloGeometry || m_muonGeometry) {
187  // checkout the highest InDet volume
188  inDetVolume = inDetTrackingGeometry->checkoutHighestTrackingVolume();
189  // assign it as the highest volume
190  highestVolume = inDetVolume;
191  } else // -> Take the exit and return ID stand alone
192  atlasTrackingGeometry = std::move(inDetTrackingGeometry);
193  }
194 
195 #ifdef TRKDETDESCR_MEMUSAGE
196  m_memoryLogger.refresh(getpid());
197  ATH_MSG_INFO( "[ memory usage ] After InDet TrackingGeometry building: " );
198  ATH_MSG_INFO( m_memoryLogger );
199 #endif
200 
201  }
202 
203  // ========================== CALORIMETER PART =================================================
204  // if a Calo Geometry Builder is present -> wrap it around the ID
205  if (!m_caloGeometryBuilder.empty()) {
206  if (inDetVolume)
207  ATH_MSG_VERBOSE( "Calorimeter Tracking Geometry is going to be built with enclosed ID." );
208  else
209  ATH_MSG_VERBOSE( "Calorimeter Tracking Geometry is going to be built stand-alone." );
210  // get the InnerDetector TrackingGeometry
211  caloTrackingGeometry = m_caloGeometryBuilder->trackingGeometry(inDetVolume);
212  // if you have to create world or there is a Muon geometry builder ...
213  if (caloTrackingGeometry) {
214  // sign it
215  caloTrackingGeometry->sign(m_caloGeometryBuilder->geometrySignature());
216  if (m_createWorld || m_muonGeometry){
217  // check out the highest Calo volume
218  caloVolume = caloTrackingGeometry->checkoutHighestTrackingVolume();
219  // assign it as the highest volume (overwrite ID)
220  highestVolume = caloVolume;
221  } else // -> Take the exit and return Calo back
222  atlasTrackingGeometry = std::move(caloTrackingGeometry);
223  }
224 
225 #ifdef TRKDETDESCR_MEMUSAGE
226  m_memoryLogger.refresh(getpid());
227  ATH_MSG_INFO( "[ memory usage ] After Calo TrackingGeometry building: " );
228  ATH_MSG_INFO( m_memoryLogger );
229 #endif
230 
231  }
232 
233  // ========================== MUON SYSTEM PART =================================================
234  // if Muon Geometry Builder is present -> wrap either ID or Calo
235  if (!m_muonGeometryBuilder.empty()) {
236 
237  std::string enclosed = "stand-alone.";
238  if (inDetVolume && caloVolume)
239  enclosed = "with encloded ID/Calo.";
240  else if (inDetVolume || caloVolume)
241  enclosed = (inDetVolume) ? "with encloded ID." : "with encloded Calo.";
242  ATH_MSG_VERBOSE( "Muon System Tracking Geometry is going to be built "<< enclosed );
243  // there's nothing outside the muons -- wrap the calo if it exists
244  if (inDetVolume && !caloVolume)
245  atlasTrackingGeometry = m_muonGeometryBuilder->trackingGeometry( inDetVolume );
246  else
247  atlasTrackingGeometry = m_muonGeometryBuilder->trackingGeometry( caloVolume );
248 
249  // sign it
250  if (atlasTrackingGeometry)
251  atlasTrackingGeometry->sign(m_muonGeometryBuilder->geometrySignature());
252 
253 #ifdef TRKDETDESCR_MEMUSAGE
254  m_memoryLogger.refresh(getpid());
255  ATH_MSG_INFO( "[ memory usage ] After Muon TrackingGeometry building: " );
256  ATH_MSG_INFO( m_memoryLogger );
257 #endif
258 
259  // ========================== WRAPPING SECTION FOR ID/CALO ====================================
260  } else if (m_createWorld && highestVolume) {
261  // wrapping and world creation has been switched on
262  ATH_MSG_VERBOSE( "Enclosing world is going to be built for: " << highestVolume->volumeName() );
263  // get the glue volumes
264  Trk::GlueVolumesDescriptor& innerGlueVolumes = highestVolume->glueVolumesDescriptor();
265  // some screen output
266  ATH_MSG_VERBOSE( "Retrieved with following glue volumes: " << innerGlueVolumes );
267  // at negative face
268  const std::vector<Trk::TrackingVolume*>& innerNegativeFaceVolumes = innerGlueVolumes.glueVolumes(Trk::negativeFaceXY);
269  // at cylinder cover
270  const std::vector<Trk::TrackingVolume*>& innerCentralFaceVolumes = innerGlueVolumes.glueVolumes(Trk::cylinderCover);
271  // at positive face
272  const std::vector<Trk::TrackingVolume*>& innerPositiveFaceVolumes = innerGlueVolumes.glueVolumes(Trk::positiveFaceXY);
273 
274  // get the dimensions
275  // cast them to CylinderVolumeBounds
276  const Trk::CylinderVolumeBounds* innerVolumeBounds = dynamic_cast<const Trk::CylinderVolumeBounds*>(&(highestVolume->volumeBounds()));
277  if (!innerVolumeBounds) ATH_MSG_WARNING( "atlasTrackingGeometry() ... dynamic cast to innerVolumeBounds failed!" );
278  double innerVolumeOuterR = innerVolumeBounds ? innerVolumeBounds->outerRadius() : 0;
279  double innerVolumeHalflengthZ = innerVolumeBounds ? innerVolumeBounds->halflengthZ() : 0;
280  // Hierarchy after enclosing
281  //
282  // AtlasWorldVolume:
283  // AtlasInnerCylinder
284  // AtlasInnerNegativeSector
285  // InnerEnclosedVolume (can be ID/Calo)
286  // AtlasOuterNegativeSector
287  // AtlasOuterTube
288  // B -------------- BUILD WORLD AROUND for ID stand alone applications
289 
290  double innerCylinderSectorHalflengthZ = 0.5*(m_worldDimension[2] - innerVolumeHalflengthZ);
291  auto innerCylinderSectorBounds =
292  std::make_shared<Trk::CylinderVolumeBounds>(0., innerVolumeOuterR, innerCylinderSectorHalflengthZ);
293 
294  double innerCylinderSectorPositionZ = fabs(m_worldDimension[2]-innerCylinderSectorHalflengthZ);
295 
296  // the AtlasInnerNegativeSector
297  auto atlasInnerNegativeSectorTransf = std::make_unique<Amg::Transform3D>(Amg::Translation3D(0.,0.,-innerCylinderSectorPositionZ));
298  Trk::TrackingVolume* atlasInnerNegativeSector = new Trk::TrackingVolume(
299  std::move(atlasInnerNegativeSectorTransf),
300  std::make_shared<Trk::CylinderVolumeBounds>(*innerCylinderSectorBounds),
301  m_worldMaterial,
302  nullptr,
303  nullptr,
304  "AtlasInnerNegativeSector");
305 
306  // the AtlasInnerPositiveSector
307  auto atlasInnerPositiveSectorTransf = std::make_unique<Amg::Transform3D>(Amg::Translation3D(0.,0.,innerCylinderSectorPositionZ));
308  Trk::TrackingVolume* atlasInnerPositiveSector = new Trk::TrackingVolume(
309  std::move(atlasInnerPositiveSectorTransf),
310  std::move(innerCylinderSectorBounds),
311  m_worldMaterial,
312  nullptr,
313  nullptr,
314  "AtlasInnerPositiveSector");
315 
316  ATH_MSG_VERBOSE( "Inner Negative/Positive Sectors built successfully." );
317 
318  // create the subvolume Array
319  auto atlasInnerSectorVolumes = std::vector<Trk::TrackingVolume*>{atlasInnerNegativeSector,highestVolume,atlasInnerPositiveSector};
320 
321  ATH_MSG_VERBOSE( "Create the Atlas Inner Sector volumes. " );
322  std::unique_ptr<Trk::BinnedArray<Trk::TrackingVolume>>
323  atlasInnerSectorVolumeArray =
324  m_trackingVolumeArrayCreator
325  ? m_trackingVolumeArrayCreator->cylinderVolumesArrayInZ(atlasInnerSectorVolumes)
326  : nullptr;
327 
328  // Atlas inner Sector bounds
329  auto innerSectorBounds =
330  std::make_shared<Trk::CylinderVolumeBounds>(0., innerVolumeOuterR, m_worldDimension[2]);
331  // build the Tracking volumes
332  Trk::TrackingVolume* atlasInnerSector = new Trk::TrackingVolume(nullptr,
333  std::move(innerSectorBounds),
334  m_worldMaterial,
335  nullptr,
336  std::move(atlasInnerSectorVolumeArray),
337  "AtlasInnerSector");
338 
339  // Atlas outer Sector
340  auto outerSectorBounds =
341  std::make_shared<Trk::CylinderVolumeBounds>(innerVolumeOuterR, m_worldDimension[1], m_worldDimension[2]);
342  Trk::TrackingVolume* atlasOuterSector = new Trk::TrackingVolume(nullptr,
343  std::move(outerSectorBounds),
344  m_worldMaterial,
345  nullptr,
346  nullptr,
347  "AtlasOuterSector");
348 
349  ATH_MSG_VERBOSE( "Atlas Inner/Outer Sectors built successfully." );
350 
351  // create the array of Inner and Outer sector
352  auto atlasVolumes = std::vector<Trk::TrackingVolume*>{atlasInnerSector, atlasOuterSector};
353 
354  std::unique_ptr<Trk::BinnedArray<Trk::TrackingVolume>>
355  atlasVolumeArray =
356  m_trackingVolumeArrayCreator
357  ? m_trackingVolumeArrayCreator->cylinderVolumesArrayInR(atlasVolumes)
358  : nullptr;
359 
360  // create the Atlas volume bounds
361  auto atlasBounds = std::make_shared<Trk::CylinderVolumeBounds>(0., m_worldDimension[1], m_worldDimension[2]);
362 
363  // create the Atlas TrackingVolume
364  Trk::TrackingVolume* atlasVolume = new Trk::TrackingVolume(nullptr,
365  std::move(atlasBounds),
366  m_worldMaterial,
367  nullptr,
368  std::move(atlasVolumeArray),
369  "Atlas");
370 
371  ATH_MSG_VERBOSE( "Atlas Tracking World volume built successfully." );
372 
373 
374  // glue the inner sector to be complete
375  m_trackingVolumeHelper->glueTrackingVolumes( *atlasInnerNegativeSector, Trk::positiveFaceXY,
376  innerNegativeFaceVolumes, Trk::negativeFaceXY );
377 
378  m_trackingVolumeHelper->glueTrackingVolumes( *atlasInnerPositiveSector, Trk::negativeFaceXY,
379  innerPositiveFaceVolumes, Trk::positiveFaceXY );
380 
381  ATH_MSG_VERBOSE( "Atlas Inner Sector glued successfully together." );
382 
383  // iterators to the face volumes
384  auto volIter = innerCentralFaceVolumes.begin();
385  auto volIterEnd = innerCentralFaceVolumes.end();
386 
387  // glue outer and inner sector together
388  std::vector<Trk::TrackingVolume*> atlasInnerOuterVolumes;
389  atlasInnerOuterVolumes.push_back(atlasInnerNegativeSector);
390  for (; volIter != volIterEnd; ++volIter) {
391  if (*volIter) {
392  atlasInnerOuterVolumes.push_back(*volIter);
393  }
394  }
395  atlasInnerOuterVolumes.push_back(atlasInnerPositiveSector);
396 
397  m_trackingVolumeHelper->glueTrackingVolumes(*atlasOuterSector, Trk::tubeInnerCover,
398  atlasInnerOuterVolumes, Trk::tubeOuterCover);
399 
400  ATH_MSG_VERBOSE( "Atlas Inner/Outer Sector glued successfully together." );
401 
402  // job done -> create the TrackingGeometry
403  atlasTrackingGeometry = std::make_unique<Trk::TrackingGeometry>(atlasVolume);
404 
405  // detailed information about this tracking geometry
406  ATH_MSG_VERBOSE( "Atlas TrackingGeometry built with following parameters : ");
407  //ATH_MSG_VERBOSE( " - TrackingVolume containers : " << atlasTrackingGeometry->numberOfContainerVolumes() );
408  //ATH_MSG_VERBOSE( " - TrackingVolume at navigation level : " << atlasTrackingGeometry->numberOfContainerVolumes() );
409  //ATH_MSG_VERBOSE( " - Contained static layers : " << atlasTrackingGeometry->boundaryLayers().size());
410  ATH_MSG_VERBOSE( " - Unique material layers on boundaries : " << atlasTrackingGeometry->boundaryLayers().size());
411 
412 #ifdef TRKDETDESCR_MEMUSAGE
413  m_memoryLogger.refresh(getpid());
414  ATH_MSG_INFO( "[ memory usage ] After Outer Sector TrackingGeometry building: " );
415  ATH_MSG_INFO( m_memoryLogger );
416 #endif
417 
418  }
419 
420  if (atlasTrackingGeometry) {
421  if (m_navigationLevel < 3)
422  atlasTrackingGeometry->registerNavigationLevel( Trk::NavigationLevel(m_navigationLevel));
423  }
424  else ATH_MSG_WARNING( "atlasTrackingGeometry() ... atlasTrackingGeometry = 0, could not call registerNavigationLevel and propagateMagneticFieldProperties" );
425 
426 #ifdef TRKDETDESCR_MEMUSAGE
427  m_memoryLogger.refresh(getpid());
428  ATH_MSG_INFO( "[ memory usage ] End of TrackingGeometry building: " );
429  ATH_MSG_INFO( m_memoryLogger );
430 #endif
431 
432  // synchronize the layers
433  if (atlasTrackingGeometry) {
434  if (m_synchronizeLayers) atlasTrackingGeometry->synchronizeLayers(msg());
435 
436  // compactify if configured to do so
437  if (m_compactify) atlasTrackingGeometry->compactify(msg());
438  }
439  return atlasTrackingGeometry;
440 }
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Definition: TrackingVolumeManipulator.h:32
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Definition: TrackingVolume.cxx:1016
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Definition: GeometryBuilder.cxx:121
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