Belle II Software  release-05-02-19
Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
PlumeCreator Class Reference

The creator for the PLUME geometry. More...

#include <PlumeCreator.h>

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Public Member Functions

virtual void create (const GearDir &content, G4LogicalVolume &topVolume, geometry::GeometryTypes type)
 Function to actually create the geometry, has to be overridden by derived classes. More...
 
 BELLE2_DEFINE_EXCEPTION (DBNotImplemented, "Cannot create geometry from Database.")
 Exception that will be thrown in createFromDB if member is not yet implemented by creator.
 
virtual void createFromDB (const std::string &name, G4LogicalVolume &topVolume, GeometryTypes type)
 Function to create the geometry from the Database. More...
 
virtual void createPayloads (const GearDir &content, const IntervalOfValidity &iov)
 Function to create the geometry database. More...
 

Protected Member Functions

G4AssemblyVolume * buildSupport1 ()
 
G4AssemblyVolume * buildSupport2 ()
 
G4AssemblyVolume * buildSupport3 ()
 
G4AssemblyVolume * buildSupport4 ()
 

Protected Attributes

SensitiveDetector * m_sensitive
 SensitiveDetector PLUME.
 

Detailed Description

The creator for the PLUME geometry.

Definition at line 30 of file PlumeCreator.h.

Member Function Documentation

◆ create()

void create ( const GearDir &  content,
G4LogicalVolume &  topVolume,
geometry::GeometryTypes  type 
)
virtual

Function to actually create the geometry, has to be overridden by derived classes.

Parameters
contentGearDir pointing to the parameters which should be used for construction
topVolumeTop volume in which the geometry has to be placed
typeType of geometry to be build

Implements CreatorBase.

Definition at line 65 of file PlumeCreator.cc.

66  {
67 
68  //color attributions
69  G4VisAttributes* FoamVisAtt = new G4VisAttributes(G4Colour::Blue());
70  G4VisAttributes* KaptonVisAtt = new G4VisAttributes(G4Colour::Red());
71  G4VisAttributes* GlueVisAtt = new G4VisAttributes(G4Colour::White());
72  G4VisAttributes* MetalVisAtt = new G4VisAttributes(G4Colour::Gray());
73  G4VisAttributes* SubstrateVisAtt = new G4VisAttributes(G4Colour::Green());
74  G4VisAttributes* MetalizedVisAtt = new G4VisAttributes(G4Colour::Cyan());
75  G4VisAttributes* EpitaxialVisAtt = new G4VisAttributes(G4Colour(1.0, 1.0, 0.0)); //yellow
76 
77  //lets get the stepsize parameter with a default value of 5 µm
78  double stepSize = content.getLength("stepSize", 5 * CLHEP::um);
79 
80  int LadderID = 0;
81 
82  GearDir activeParams(content, "Ladder");
83  G4double SensorLengthX = (activeParams.getInt("nPixelsX") * activeParams.getLength("pitchX")) * CLHEP::cm;
84  G4double SensorLengthY = (activeParams.getInt("nPixelsY") * activeParams.getLength("pitchY")) * CLHEP::cm;
85 
86  G4double AirGap = activeParams.getLength("AirGap") * CLHEP::cm;
87 
88  G4double SubstrateThickness = activeParams.getLength("SubstrateThickness") * CLHEP::cm;
89  G4double EpitaxialThickness = activeParams.getLength("EpitaxialThickness") * CLHEP::cm;
90  G4double MetalThickness = activeParams.getLength("MetalThickness") * CLHEP::cm;
91  G4double GlueThickness = activeParams.getLength("GlueThickness") * CLHEP::cm;
92  G4double KaptonThickness = activeParams.getLength("KaptonThickness") * CLHEP::cm;
93  G4double AluminiumThickness = activeParams.getLength("AluminiumThickness") * CLHEP::cm;
94  G4double foamlen = activeParams.getLength("Foam/length") * CLHEP::cm;
95  G4double foamwid = activeParams.getLength("Foam/width") * CLHEP::cm;
96  G4double foamthick = activeParams.getLength("Foam/thickness") * CLHEP::cm;
97  G4double foamZ = activeParams.getLength("Foam/zPosition") * CLHEP::cm;
98  G4double foamY = activeParams.getLength("Foam/yShift") * CLHEP::cm;
99  G4double flexlen = activeParams.getLength("Flex/length") * CLHEP::cm;
100  G4double flexwid = activeParams.getLength("Flex/width") * CLHEP::cm;
101  G4double flexZ = activeParams.getLength("Flex/zPosition") * CLHEP::cm;
102  G4double allen1 = activeParams.getLength("AlBat/length1") * CLHEP::cm;
103  G4double allen2 = activeParams.getLength("AlBat/length2") * CLHEP::cm;
104  G4double allen3 = activeParams.getLength("AlBat/length3") * CLHEP::cm;
105  G4double alwid = activeParams.getLength("AlBat/width") * CLHEP::cm;
106  G4double althick1 = activeParams.getLength("AlBat/thickness1") * CLHEP::cm;
107  G4double althick2 = activeParams.getLength("AlBat/thickness2") * CLHEP::cm;
108  G4double althick3 = activeParams.getLength("AlBat/thickness3") * CLHEP::cm;
109 
110  // old geometry
111  /*
112  G4double SensorDistance = activeParams.getLength("SensorDistance") * CLHEP::cm;
113  G4double dx_foam = SensorLengthY / 2. + 0.15 * CLHEP::cm ;
114  G4double dy_foam = (SensorLengthX * 6. + 5.*SensorDistance) / 2.;
115  G4double DistanceFromFoamCenter = 0.1 * CLHEP::cm;
116  //Envelop dimension Thickness not divided by 2 to take into account of the 2 sides of foam
117  G4double dz_env = DistanceFromFoamCenter + KaptonThickness + GlueThickness +
118  AluminiumThickness + SubstrateThickness + EpitaxialThickness +
119  MetalThickness + 6. * AirGap;
120  G4Box* s_env = new G4Box("s_env", dx_foam, dy_foam, dz_env);
121  G4LogicalVolume* l_env = new G4LogicalVolume(s_env, geometry::Materials::get("Al"), "l_env");
122  G4Transform3D transformt = G4RotateZ3D(135. / 180 * M_PI - M_PI / 2.0) * G4Translate3D(0, 61,
123  42.2) * G4RotateX3D(- M_PI / 2.0 - 178. / 180 * M_PI);
124  new G4PVPlacement(transformt, l_env, "p_env1", &topVolume, false, 1);
125  transformt = G4RotateZ3D(225. / 180 * M_PI - M_PI / 2.0) * G4Translate3D(0, 84,
126  -21.8) * G4RotateX3D(- M_PI / 2.0 - 20. / 180 * M_PI);
127  new G4PVPlacement(transformt, l_env, "p_env2", &topVolume, false, 1);*/
128  //---------------
129 
130  G4double dz_ladder = foamthick / 2. + KaptonThickness + GlueThickness +
131  AluminiumThickness + 3. * AirGap;
132  G4double dz_sensor = (SubstrateThickness + EpitaxialThickness +
133  MetalThickness + 2. * AirGap) / 2.;
134 
135  G4double fullLength = allen1 + allen2 + allen3 - (foamZ - foamlen / 2.);
136  double zshift = fullLength / 2. - (allen1 + allen2 + allen3);
137 
138  // Create support ladder
139  G4AssemblyVolume* support = new G4AssemblyVolume();
140  G4Transform3D transl;;
141 
142  //create foam layer
143  G4Box* s_foam = new G4Box("s_foam", foamlen / 2., foamwid / 2., foamthick / 2.);
144  G4LogicalVolume* l_foam = new G4LogicalVolume(s_foam, geometry::Materials::get("SiC"), "PLUME.l_foam");
145  transl = G4Translate3D(foamZ + zshift, foamY, 0);
146  support->AddPlacedVolume(l_foam, transl);
147 
148  //create glue layers
149  G4Box* s_glue = new G4Box("s_glue", flexlen / 2., foamwid / 2. , GlueThickness / 2.);
150  G4LogicalVolume* l_glue = new G4LogicalVolume(s_glue, geometry::Materials::get("Glue"), "PLUME.l_glue");
151  G4double r_glue = foamthick / 2. + AirGap + GlueThickness / 2.;
152  transl = G4Translate3D(flexZ + zshift, foamY, -r_glue);
153  support->AddPlacedVolume(l_glue, transl);
154  transl = G4Translate3D(flexZ + zshift, foamY, r_glue);
155  support->AddPlacedVolume(l_glue, transl);
156 
157  //create Kapton layers
158  G4Box* s_kapton = new G4Box("s_kapton", flexlen / 2., flexwid / 2., KaptonThickness / 2.);
159  G4LogicalVolume* l_kapton = new G4LogicalVolume(s_kapton, geometry::Materials::get("Kapton") , "PLUME.l_kapton");
160  G4double r_Kapton = r_glue + AirGap + (GlueThickness + KaptonThickness) / 2.;
161  transl = G4Translate3D(flexZ + zshift, 0, -r_Kapton);
162  support->AddPlacedVolume(l_kapton, transl);
163  transl = G4Translate3D(flexZ + zshift, 0, r_Kapton);
164  support->AddPlacedVolume(l_kapton, transl);
165 
166  //create metal layers
167  G4Box* s_metal = new G4Box("s_metal", flexlen / 2., flexwid / 2., AluminiumThickness / 2.);
168  G4LogicalVolume* l_metal = new G4LogicalVolume(s_metal, geometry::Materials::get("Al"), "PLUME.l_metal");
169  G4double r_metal = r_Kapton + AirGap + (KaptonThickness + AluminiumThickness) / 2.;
170  transl = G4Translate3D(flexZ + zshift, 0, -r_metal);
171  support->AddPlacedVolume(l_metal, transl);
172  transl = G4Translate3D(flexZ + zshift, 0, r_metal);
173  support->AddPlacedVolume(l_metal, transl);
174 
175  //create aluminum bat
176  G4Box* s_bat1p = new G4Box("s_bat1p", allen1 / 2., alwid / 2., althick1 / 2.);
177  double incut = foamZ + foamlen / 2.;
178  G4Box* s_bat1t = new G4Box("s_bat1t", incut, foamwid / 2., althick1 + 0.2 / 2.);
179 
180  G4Transform3D tt = G4Translate3D(-allen1 / 2., foamY, 0);
181  G4SubtractionSolid* s_bat1 = new G4SubtractionSolid("s_bat1", s_bat1p, s_bat1t, tt);
182  G4Box* s_bat2 = new G4Box("s_bat2", allen2 / 2., alwid / 2., althick2 / 2.);
183  G4Box* s_bat3 = new G4Box("s_bat3", allen3 / 2., alwid / 2., althick3 / 2.);
184  G4LogicalVolume* l_bat1 = new G4LogicalVolume(s_bat1, geometry::Materials::get("Al"), "PLUME.l_bat1");
185  G4LogicalVolume* l_bat2 = new G4LogicalVolume(s_bat2, geometry::Materials::get("Al"), "PLUME.l_bat2");
186  G4LogicalVolume* l_bat3 = new G4LogicalVolume(s_bat3, geometry::Materials::get("Al"), "PLUME.l_bat3");
187  transl = G4Translate3D(allen1 / 2. + zshift, 0, 0);
188  support->AddPlacedVolume(l_bat1, transl);
189  transl = G4Translate3D(allen1 + allen2 / 2. + zshift, 0, 0);
190  support->AddPlacedVolume(l_bat2, transl);
191  transl = G4Translate3D(allen1 + allen2 + allen3 / 2. + zshift, 0, 0);
192  support->AddPlacedVolume(l_bat3, transl);
193 
194  l_foam->SetVisAttributes(FoamVisAtt);
195  l_kapton->SetVisAttributes(KaptonVisAtt);
196  l_glue->SetVisAttributes(GlueVisAtt);
197  l_metal->SetVisAttributes(MetalVisAtt);
198 
199 
200  G4String symbol, name;
201  G4double a, zz;
202  G4double density;
203  G4int ncomponents;
204  G4double fractionmass;
205  a = 1.01 * CLHEP::g / CLHEP::mole;
206  G4Element* elH = new G4Element(name = "Hydrogen", symbol = "H" , zz = 1., a);
207  a = 12.01 * CLHEP::g / CLHEP::mole;
208  G4Element* elC = new G4Element(name = "Carbon" , symbol = "C" , zz = 6., a);
209  a = 16.00 * CLHEP::g / CLHEP::mole;
210  G4Element* elO = new G4Element(name = "Oxygen" , symbol = "O" , zz = 8., a);
211  density = 1.31 * CLHEP::g / CLHEP::cm3;
212  G4Material* peekMat = new G4Material(name = "plumePeek" , density, ncomponents = 3);
213  peekMat->AddElement(elC, fractionmass = 0.76);
214  peekMat->AddElement(elH, fractionmass = 0.08);
215  peekMat->AddElement(elO, fractionmass = 0.16);
216  density = 1.5 * CLHEP::g / CLHEP::cm3;
217  G4Material* carbMat = new G4Material(name = "plumeCarb" , density, ncomponents = 1);
218  carbMat->AddElement(elC, fractionmass = 1.0);
219 
220  G4Box* s_sensor = new G4Box("s_sensor", SensorLengthX / 2., SensorLengthY / 2., dz_sensor);
221  G4LogicalVolume* l_sensor = new G4LogicalVolume(s_sensor, geometry::Materials::get("G4_AIR"), "PLUME.l_sensor");
222 
223  // Substrate Layer //
224  G4Box* s_substrate = new G4Box("s_substrate", SensorLengthX / 2. , SensorLengthY / 2. , SubstrateThickness / 2.);
225  G4LogicalVolume* l_substrate = new G4LogicalVolume(s_substrate, geometry::Materials::get("Silicon"), "PLUME.l_substrate");
226  new G4PVPlacement(0, G4ThreeVector(0, 0, -dz_sensor + SubstrateThickness / 2.), l_substrate, "p_substrate", l_sensor, false, 1);
227 
228  // Epitaxial Layer //
229  G4Box* s_epitaxial = new G4Box("s_epitaxial", SensorLengthX / 2. , SensorLengthY / 2., EpitaxialThickness / 2.);
230  G4LogicalVolume* l_epitaxial = new G4LogicalVolume(s_epitaxial, geometry::Materials::get("Silicon"), "PLUME.l_epitaxial", 0,
231  m_sensitive);
232  new G4PVPlacement(0, G4ThreeVector(0, 0, -dz_sensor + AirGap + SubstrateThickness + EpitaxialThickness / 2.), l_epitaxial,
233  "p_epitaxial", l_sensor, false, 1);
234  // Metalized Layer //
235  G4Box* s_metalized = new G4Box("s_metalized", SensorLengthX / 2. , SensorLengthY / 2. , MetalThickness / 2.);
236  G4LogicalVolume* l_metalized = new G4LogicalVolume(s_metalized, geometry::Materials::get("SiO2Al"), "PLUME.l_metalized");
237  new G4PVPlacement(0, G4ThreeVector(0, 0, -dz_sensor + 2 * AirGap + SubstrateThickness + EpitaxialThickness + MetalThickness / 2.),
238  l_metalized, "p_metalized", l_sensor, false, 1);
239 
240  // temporary
241  /*G4LogicalVolume* l_sensorMir = new G4LogicalVolume(s_sensor, geometry::Materials::get("G4_AIR"), "l_sensorMir");
242  new G4PVPlacement(0, G4ThreeVector(0, 0, -dz_sensor + MetalThickness / 2.), l_metalized, "p_metalized", l_sensorMir, false, 1);
243  new G4PVPlacement(0, G4ThreeVector(0, 0, -dz_sensor + MetalThickness + AirGap + EpitaxialThickness / 2.), l_epitaxial,
244  "p_epitaxial", l_sensorMir, false, 1);
245  new G4PVPlacement(0, G4ThreeVector(0, 0, -dz_sensor + MetalThickness + 2 * AirGap + EpitaxialThickness + SubstrateThickness / 2.),
246  l_substrate, "p_substrate", l_sensorMir, false, 1);
247  */
248 
249 
250  l_epitaxial->SetUserLimits(new G4UserLimits(stepSize));
251  l_substrate->SetVisAttributes(SubstrateVisAtt);
252  l_epitaxial->SetVisAttributes(EpitaxialVisAtt);
253  l_metalized->SetVisAttributes(MetalizedVisAtt);
254 
255  // place 12 sensors on support ladder
256  double zSens = dz_ladder + dz_sensor + AirGap;
257  G4RotationMatrix ra;
258  G4ThreeVector Ta(0, 0, 0);
259  G4Transform3D tra(ra, Ta);
260 
261  // build cooling tubes
262  GearDir pipeParams(content, "CoolingPipes");
263  double pipeLen = pipeParams.getLength("length") * CLHEP::cm;
264  double pipeInR = pipeParams.getLength("rIn") * CLHEP::cm;
265  double pipeOutR = pipeParams.getLength("rOut") * CLHEP::cm;
266  G4Tubs* pipe_s = new G4Tubs("pipe_s", pipeInR, pipeOutR, pipeLen / 2., 0, 2 * M_PI);
267 
268  G4LogicalVolume* pipe_l = new G4LogicalVolume(pipe_s, carbMat, "PLUME.l_pipe");
269  double pipeX = pipeParams.getLength("x") * CLHEP::cm;
270  double pipeY = pipeParams.getLength("y") * CLHEP::cm;
271  double pipeZ = pipeParams.getLength("z") * CLHEP::cm;
272  G4double alphaPipe = pipeParams.getAngle("alpha");
273 
274  GearDir alignPars;
275  G4Box* s_sensors = new G4Box("s_sensors", flexlen / 2., flexwid / 2., dz_sensor + AirGap);
276 
277  for (auto ladder : content.getNodes("Placements/Ladder")) {
278 
279  std::string id = ladder.getString("@id");
280 
281  G4AssemblyVolume* assemblyLadder = new G4AssemblyVolume();
282  assemblyLadder->AddPlacedAssembly(support, tra);
283 
284  for (auto pars : content.getNodes("SensorAlignment/ladder")) {
285  if (pars.getString("@id") == id) alignPars = pars;
286  }
287 
288  for (auto sidePars : alignPars.getNodes("side")) {
289  unsigned mirror = 0;
290 
291  G4Transform3D transformSens;
292  if (sidePars.getString("@id") == "mirror") mirror = 1;
293 
294  G4LogicalVolume* l_sensors = new G4LogicalVolume(s_sensors, geometry::Materials::get("G4_AIR"), "PLUME.l_sensors");
295 
296  for (auto sensorPars : sidePars.getNodes("sensor")) {
297  double x = sensorPars.getLength("x") * CLHEP::cm + zshift;
298  double y = sensorPars.getLength("y") * CLHEP::cm;
299  int ids = sensorPars.getInt("id");
300  y = mirror ? -y : y;
301  y -= alwid / 2.;
302  double alpha1 = sensorPars.getAngle("alpha") * CLHEP::rad;
303  if (mirror) transformSens = G4Translate3D(x, y,
304  0) * G4RotateZ3D(alpha1) * G4RotateX3D(M_PI); // think if this is correct, rotation and pos shift for mirror side
305  else transformSens = G4Translate3D(x, y, 0) * G4RotateZ3D(-alpha1);
306 
307  new G4PVPlacement(transformSens, l_sensor, "p_sensor", l_sensors, true,
308  (ids + mirror * 6 + LadderID * 12));
309  }
310  transformSens = G4Translate3D(0, 0, mirror ? -zSens : zSens);
311  assemblyLadder->AddPlacedVolume(l_sensors, transformSens);
312  }
313 
314  G4double thetaZ = ladder.getAngle("ThetaZ");
315  G4double r = ladder.getLength("r_plume") * CLHEP::cm - zshift * sin(thetaZ);
316  G4double z = ladder.getLength("z_plume") * CLHEP::cm - zshift * cos(thetaZ);
317  G4double phi = ladder.getAngle("Phi");
318  G4double alpha = ladder.getAngle("Alpha");
319 
320 
321  // place cooling pipes
322  G4Transform3D transformPipe = G4Translate3D(pipeZ + zshift, pipeY, pipeX) * G4RotateZ3D(alphaPipe) * G4RotateY3D(+ M_PI / 2.);
323  assemblyLadder->AddPlacedVolume(pipe_l, transformPipe);
324  transformPipe = G4Translate3D(pipeZ + zshift
325  , pipeY, -pipeX) * G4RotateZ3D(alphaPipe) * G4RotateY3D(+ M_PI / 2.);
326  assemblyLadder->AddPlacedVolume(pipe_l, transformPipe);
327 
328 
329  G4Transform3D transform1;
330  if (LadderID == 1) {
331  G4AssemblyVolume* sup1 = buildSupport1();
332  G4AssemblyVolume* sup2 = buildSupport2();
333  transform1 = G4Translate3D(-fullLength / 2. - 18.7, 0., 1.2) * G4RotateY3D(thetaZ) * G4RotateX3D(M_PI / 2.) * G4RotateY3D(M_PI);
334  assemblyLadder->AddPlacedAssembly(sup1, transform1);
335  transform1 = G4Translate3D(fullLength / 2. + 19.5, 0, -2.6) * G4RotateY3D(thetaZ) * G4RotateX3D(M_PI / 2.);
336  assemblyLadder->AddPlacedAssembly(sup2, transform1);
337  }
338 
339  if (LadderID == 0) {
340  G4AssemblyVolume* sup1 = buildSupport3();
341  G4AssemblyVolume* sup2 = buildSupport4();
342  transform1 = G4Translate3D(fullLength / 2. + 5, 0,
343  7.8) * G4RotateY3D(-thetaZ) * G4RotateZ3D(M_PI / 2.) * G4RotateX3D(M_PI / 2.) * G4RotateY3D(M_PI / 2.);
344  assemblyLadder->AddPlacedAssembly(sup1, transform1);
345  transform1 = G4Translate3D(-fullLength / 2. - 31, 0.,
346  -21.7) * G4RotateY3D(-thetaZ) * G4RotateZ3D(M_PI / 2.) * G4RotateX3D(-M_PI / 2.) * G4RotateY3D(M_PI);
347  assemblyLadder->AddPlacedAssembly(sup2, transform1);
348  }
349 
350  G4Transform3D transform = G4RotateZ3D(phi) * G4Translate3D(r, 0,
351  z) * G4RotateY3D(thetaZ) * G4RotateZ3D(alpha + M_PI) * G4RotateY3D(- M_PI / 2.0);
352 
353  assemblyLadder->MakeImprint(&topVolume, transform);
354 
355  LadderID += 1;
356 
357  }
358 
359  }

◆ createFromDB()

void createFromDB ( const std::string &  name,
G4LogicalVolume &  topVolume,
GeometryTypes  type 
)
virtualinherited

Function to create the geometry from the Database.

Parameters
namename of the component in the database, could be used to disambiguate multiple components created with the same creator
topVolumeTop volume in which the geometry has to be placed
typeType of geometry to be build

Reimplemented in GeoEKLMCreator, GeoFarBeamLineCreator, GeoCryostatCreator, MyDBCreator, GeoARICHCreator, GeoBeamPipeCreator, GeoServiceMaterialCreator, GeoBKLMCreator, GeoPXDCreator, GeoSVDCreator, GeoTOPCreator, GeoSTRCreator, GeoHeavyMetalShieldCreator, GeoCDCCreator, GeoCOILCreator, GeoVXDServiceCreator, GeoKLMCreator, GeoECLCreator, and GeoMagneticField.

Definition at line 27 of file CreatorBase.cc.

◆ createPayloads()

void createPayloads ( const GearDir &  content,
const IntervalOfValidity &  iov 
)
virtualinherited

Function to create the geometry database.

This function should be implemented to convert Gearbox parameters to one ore more database payloads

Parameters
contentGearDir pointing to the parameters which should be used for construction
iovinterval of validity to use when generating payloads

Reimplemented in GeoEKLMCreator, GeoFarBeamLineCreator, GeoCryostatCreator, MyDBCreator, GeoARICHCreator, GeoTOPCreator, GeoCDCCreator, GeoBeamPipeCreator, GeoServiceMaterialCreator, GeoMagneticField, GeoBKLMCreator, GeoKLMCreator, GeoECLCreator, GeoPXDCreator, GeoSVDCreator, GeoSTRCreator, GeoCOILCreator, GeoHeavyMetalShieldCreator, and GeoVXDServiceCreator.

Definition at line 34 of file CreatorBase.cc.

The documentation for this class was generated from the following files:
Belle2::geometry::Materials::get
static G4Material * get(const std::string &name)
Find given material.
Definition: Materials.h:65
Belle2::plume::PlumeCreator::m_sensitive
SensitiveDetector * m_sensitive
SensitiveDetector PLUME.
Definition: PlumeCreator.h:37