Belle II Software  release-05-01-25
Public Member Functions | Protected Attributes | List of all members
MicrotpcCreator Class Reference

The creator for the MICROTPC geometry. More...

#include <MicrotpcCreator.h>

Inheritance diagram for MicrotpcCreator:
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Collaboration diagram for MicrotpcCreator:
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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 Attributes

SensitiveDetector * m_sensitive
 SensitiveDetector micro-tpc.
 

Detailed Description

The creator for the MICROTPC geometry.

Definition at line 29 of file MicrotpcCreator.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 62 of file MicrotpcCreator.cc.

63  {
64  G4String symbol;
65  G4double a, z;
66  G4double density, fractionmass;
67  G4int ncomponents, natoms;
68 
69  G4Element* H = new G4Element("Hydrogen", symbol = "H" , z = 1., a = 1.00794 * CLHEP::g / CLHEP::mole);
70  G4Element* He = new G4Element("Helium", symbol = "He" , z = 2., a = 4.002602 * CLHEP::g / CLHEP::mole);
71  G4Element* C = new G4Element("Carbon", symbol = "C" , z = 6., a = 12.01 * CLHEP::g / CLHEP::mole);
72  G4Element* O = new G4Element("Oxygen", symbol = "O", z = 8., a = 16.00 * CLHEP::g / CLHEP::mole);
73  G4Element* Si = new G4Element("Silicon", symbol = "Si" , z = 14., a = 28.09 * CLHEP::g / CLHEP::mole);
74  G4Element* Cl = new G4Element("Chlore", symbol = "Cl" , z = 17., a = 35.453 * CLHEP::g / CLHEP::mole);
75  G4Element* Cu = new G4Element("Copper", symbol = "Cu" , z = 29., a = 63.546 * CLHEP::g / CLHEP::mole);
76  G4Element* Zn = new G4Element("Zinc", symbol = "Zn" , z = 30., a = 65.38 * CLHEP::g / CLHEP::mole);
77 
78  //Helium 4
79  G4Material* gas_4He = new G4Material("gas_4He", density = 0.0001664 * CLHEP::g / CLHEP::cm3, ncomponents = 1, kStateGas,
80  293.15 * CLHEP::kelvin, 1.*CLHEP::atmosphere);
81  gas_4He->AddElement(He, natoms = 1);
82  //C02
83  G4Material* gas_CO2 = new G4Material("gas_CO2", density = 0.001842 * CLHEP::g / CLHEP::cm3, ncomponents = 2, kStateGas,
84  293.15 * CLHEP::kelvin, 1.*CLHEP::atmosphere);
85  gas_CO2->AddElement(C, natoms = 1);
86  gas_CO2->AddElement(O, natoms = 2);
87 
88  //70/30 - 4He/ CO2
89  G4Material* gasmix_4HeCO2 = new G4Material("gasmix_4HeCO2", density = 0.00066908 * CLHEP::g / CLHEP::cm3, ncomponents = 2,
90  kStateGas, 293.15 * CLHEP::kelvin, 1.*CLHEP::atmosphere);
91  gasmix_4HeCO2->AddMaterial(gas_4He, fractionmass = 17.409 * CLHEP::perCent);
92  gasmix_4HeCO2->AddMaterial(gas_CO2, fractionmass = 82.591 * CLHEP::perCent);
93 
94  //c8h7cl
95  G4Material* TPC_ParylenC = new G4Material("TPC_ParylenC", density = 1.298 * CLHEP::g / CLHEP::cm3, ncomponents = 3);
96  TPC_ParylenC->AddElement(H, fractionmass = 0.050908 * CLHEP::perCent);
97  TPC_ParylenC->AddElement(C, fractionmass = 0.693276 * CLHEP::perCent);
98  TPC_ParylenC->AddElement(Cl, fractionmass = 0.255816 * CLHEP::perCent);
99 
100  //G10
101  G4Material* TPC_G10 = new G4Material("TPC_G10", density = 1.700 * CLHEP::g / CLHEP::cm3, ncomponents = 4);
102  TPC_G10->AddElement(Si, natoms = 1);
103  TPC_G10->AddElement(O , natoms = 2);
104  TPC_G10->AddElement(C , natoms = 3);
105  TPC_G10->AddElement(H , natoms = 3);
106 
107  //Cu - copper
108  G4Material* metalCu = new G4Material("MetalCopper", density = 8.960 * CLHEP::g / CLHEP::cm3, ncomponents = 1);
109  metalCu->AddElement(Cu, 1);
110 
111  //Copper screen
112  G4Material* TPC_metaCuScreen = new G4Material("TPC_metaCuScreen", density = 8.95 * CLHEP::g / CLHEP::cm3, ncomponents = 2);
113  TPC_metaCuScreen->AddElement(Cu, fractionmass = 90.*CLHEP::perCent);
114  TPC_metaCuScreen->AddElement(Zn, fractionmass = 10.*CLHEP::perCent);
115 
116 
117  //lets get the stepsize parameter with a default value of 5 µm
118  double stepSize = content.getLength("stepSize", 5 * CLHEP::um);
119 
120  //no get the array. Notice that the default framework unit is cm, so the
121  //values will be automatically converted
122  vector<double> bar = content.getArray("bar");
123  B2INFO("Contents of bar: ");
124  BOOST_FOREACH(double value, bar) {
125  B2INFO("value: " << value);
126  }
127  int detID = 0;
128  //Lets loop over all the Active nodes
129  BOOST_FOREACH(const GearDir & activeParams, content.getNodes("Active")) {
130 
131  G4double inch = 2.54 * CLHEP::cm;
132 
133  //create vessel volume inner volume will be subtracted by "inactive" gas
134  G4double dx_Vessel = activeParams.getLength("dx_Vessel") * CLHEP::cm / 2.;
135  G4double dy_Vessel = activeParams.getLength("dy_Vessel") * CLHEP::cm / 2.;
136  G4double dz_VesselEndCap = 1. / 8. / 2.*inch;
137  G4double dz_Vessel = activeParams.getLength("dz_Vessel") * CLHEP::cm / 2. + dz_VesselEndCap;
138  G4VSolid* s_Vessel = new G4Box("s_Vessel_tmp", dx_Vessel, dy_Vessel, dz_Vessel);
139 
140  G4double width = 1. / 8.*inch;
141  G4double dx_iGasTPC = (dx_Vessel - width);
142  G4double dy_iGasTPC = (dy_Vessel - width);
143  G4double dz_iGasTPC = (dz_Vessel);
144 
145  //create "inactive" gas volume
146  G4VSolid* s_iGasTPC = new G4Box("s_iGasTPC", dx_iGasTPC, dy_iGasTPC, dz_iGasTPC);
147 
148  //create subtraction ie vessel
149  s_Vessel = new G4SubtractionSolid("s_Vessel", s_Vessel, s_iGasTPC, 0, G4ThreeVector(0, 0, 0));
150 
151  G4LogicalVolume* l_Vessel = new G4LogicalVolume(s_Vessel, geometry::Materials::get("TPC_Al6061"), "l_Vessel");
152  G4LogicalVolume* l_iGasTPC = new G4LogicalVolume(s_iGasTPC, gasmix_4HeCO2, "l_iGasTPC");
153 
154  G4RotationMatrix* rotXx = new G4RotationMatrix();
155  G4double AngleX = activeParams.getAngle("AngleX");
156  G4double AngleZ = activeParams.getAngle("AngleZ");
157  rotXx->rotateX(AngleX);
158  rotXx->rotateZ(AngleZ);
159  G4ThreeVector TPCpos = G4ThreeVector(
160  activeParams.getLength("TPCpos_x") * CLHEP::cm,
161  activeParams.getLength("TPCpos_y") * CLHEP::cm,
162  activeParams.getLength("TPCpos_z") * CLHEP::cm
163  );
164 
165  new G4PVPlacement(rotXx, TPCpos, l_Vessel, "p_Vessel", &topVolume, false, 1);
166  new G4PVPlacement(rotXx, TPCpos, l_iGasTPC, "p_iGasTPC", &topVolume, false, 1);
167 
168  B2INFO("Micro-TPC-" << detID << " placed at: " << TPCpos << " mm");
169 
170  /*
171  //create endcap top and bottom
172  G4double dx_VesselEndCap = dx_Vessel;
173  G4double dy_VesselEndCap = dy_Vessel;
174  G4double dz_VesselEndCap = 1. / 8. / 2.*inch;
175  G4VSolid* s_VesselEndCap = new G4Box("s_VesselEndCap", dx_VesselEndCap, dy_VesselEndCap, dz_VesselEndCap);
176 
177  string matEndCap = activeParams.getString("MaterialEndCap");
178  G4LogicalVolume* l_VesselEndCap = new G4LogicalVolume(s_VesselEndCap, geometry::Materials::get(matEndCap), "l_VesselEndCap");
179 
180  G4double x_VesselEndCap[2] = {0, 0};
181  //G4double y_VesselEndCap[2] = {(dz_Vessel + dz_VesselEndCap)* sin(AngleX * CLHEP::deg), (-dz_VesselEndCap - dz_Vessel - 0.00001)* sin(AngleX * CLHEP::deg)};
182  //G4double z_VesselEndCap[2] = {(dz_Vessel + dz_VesselEndCap)* cos(AngleX * CLHEP::deg), (-dz_VesselEndCap - dz_Vessel - 0.00001)* cos(AngleX * CLHEP::deg)};
183  G4double y_VesselEndCap[2] = {(dz_Vessel + dz_VesselEndCap) * sin(AngleX * CLHEP::deg),
184  (-dz_VesselEndCap - dz_Vessel) * sin(AngleX * CLHEP::deg)};
185  G4double z_VesselEndCap[2] = {(dz_Vessel + dz_VesselEndCap) * cos(AngleX * CLHEP::deg),
186  (-dz_VesselEndCap - dz_Vessel) * cos(AngleX * CLHEP::deg)};
187 
188  new G4PVPlacement(rotXx, G4ThreeVector(x_VesselEndCap[0], y_VesselEndCap[0], z_VesselEndCap[0]) + TPCpos, l_VesselEndCap,
189  "p_VesselEndCapTop", &topVolume, false, 1);
190  new G4PVPlacement(rotXx, G4ThreeVector(x_VesselEndCap[1], y_VesselEndCap[1], z_VesselEndCap[1]) + TPCpos, l_VesselEndCap,
191  "p_VesselEndCapBottom", &topVolume, false, 1);
192  */
193  G4VisAttributes* orange = new G4VisAttributes(G4Colour(1, 2, 0));
194  orange->SetForceAuxEdgeVisible(true);
195  //l_VesselEndCap->SetVisAttributes(orange);
196  l_Vessel->SetVisAttributes(orange);
197 
198  G4double dx_parC1 = dx_iGasTPC;
199  G4double dy_parC1 = dy_iGasTPC;
200  G4double dz_parC1 = dz_iGasTPC;
201  G4double cwidth = 0.001 / 2. * inch;
202  G4double dx_parC2 = dx_parC1 - cwidth;
203  G4double dy_parC2 = dy_parC1 - cwidth;
204  G4double dz_parC2 = dz_parC1 - cwidth;
205  G4Box* s_parC1 = new G4Box("s_parC1", dx_parC1, dy_parC1, dz_parC1);
206  G4Box* s_parC2 = new G4Box("s_parC2", dx_parC2, dy_parC2, dz_parC2);
207  G4VSolid* s_parylenC = new G4SubtractionSolid("s_parylenC", s_parC1, s_parC2, 0, G4ThreeVector(0, 0, 0));
208  G4LogicalVolume* l_parylenC = new G4LogicalVolume(s_parylenC, TPC_ParylenC, "l_parylenC");
209  new G4PVPlacement(0, G4ThreeVector(0 * CLHEP::cm, 0 * CLHEP::cm, 0 * CLHEP::cm), l_parylenC, "p_parylenC", l_iGasTPC, false, 1);
210 
211  G4double dx_kap1 = dx_parC2;
212  G4double dy_kap1 = dy_parC2;
213  G4double dz_kap1 = dz_parC2;
214  G4double kwidth = 0.05 / 2. * CLHEP::cm;
215  G4double dx_kap2 = dx_kap1 - kwidth;
216  G4double dy_kap2 = dy_kap1 - kwidth;
217  G4double dz_kap2 = dz_kap1 - kwidth;
218  G4Box* s_kap1 = new G4Box("s_kap1", dx_kap1, dy_kap1, dz_kap1);
219  G4Box* s_kap2 = new G4Box("s_kap2", dx_kap2, dy_kap2, dz_kap2);
220  G4VSolid* s_kapton = new G4SubtractionSolid("s_kapton", s_kap1, s_kap2, 0, G4ThreeVector(0, 0, 0));
221  G4LogicalVolume* l_kapton = new G4LogicalVolume(s_kapton, geometry::Materials::get("TPC_Kapton"), "l_kapton");
222  new G4PVPlacement(0, G4ThreeVector(0 * CLHEP::cm, 0 * CLHEP::cm, 0 * CLHEP::cm), l_kapton, "p_kapton", l_iGasTPC, false, 1);
223 
224  //ring
225  G4double w = 1.4 * CLHEP::cm;
226  G4double rodx = 9.476 * CLHEP::cm;
227  G4double rody = 6.976 * CLHEP::cm;
228  G4double ridx = rodx - w;
229  G4double ridy = rody - w;
230  //rod hole position
231  G4double xrodh = ridx / 2. + w / 8.;
232  G4double yrodh = ridy / 2. + w / 8.;
233 
234  //create rods
235  G4double iR_Rod = 0.*CLHEP::mm;
236  G4double oR_Rod = 5. / 2.*CLHEP::mm;
237  G4double h_Rod = 20. / 2. * CLHEP::cm;
238  G4double sA_Rod = 0.*CLHEP::deg;
239  G4double spA_Rod = 360.*CLHEP::deg;
240  /*cout << "h_Rod " << h_Rod / CLHEP::cm
241  << " dx " << dx_kap2 / CLHEP::cm
242  << " dy " << dy_kap2 / CLHEP::cm
243  << " dz " << dz_kap2 / CLHEP::cm
244  << endl;*/
245  //G4double x_Rod[4] = {3.2 * CLHEP::cm, 3.2 * CLHEP::cm, -3.2 * CLHEP::cm, -3.2 * CLHEP::cm};
246  //G4double y_Rod[4] = {3.2 * CLHEP::cm, -3.2 * CLHEP::cm, 3.2 * CLHEP::cm, -3.2 * CLHEP::cm};
247  G4double x_Rod[4] = {xrodh, xrodh, -xrodh, -xrodh};
248  G4double y_Rod[4] = {yrodh, -yrodh, yrodh, -yrodh};
249  //G4double z_Rod = -dz_iGasTPC + h_Rod;
250  G4double z_Rod = 0. * CLHEP::cm;
251 
252  G4Tubs* s_Rod = new G4Tubs("s_Rod", iR_Rod, oR_Rod, h_Rod, sA_Rod, spA_Rod);
253  G4LogicalVolume* l_Rod = new G4LogicalVolume(s_Rod, geometry::Materials::get("G4_POLYVINYL_ACETATE"), "l_Rod");
254 
255  new G4PVPlacement(0, G4ThreeVector(x_Rod[0], y_Rod[0], z_Rod), l_Rod, "p_Rod_0", l_iGasTPC, false, 1);
256  new G4PVPlacement(0, G4ThreeVector(x_Rod[1], y_Rod[1], z_Rod), l_Rod, "p_Rod_1", l_iGasTPC, false, 1);
257  new G4PVPlacement(0, G4ThreeVector(x_Rod[2], y_Rod[2], z_Rod), l_Rod, "p_Rod_2", l_iGasTPC, false, 1);
258  new G4PVPlacement(0, G4ThreeVector(x_Rod[3], y_Rod[3], z_Rod), l_Rod, "p_Rod_3", l_iGasTPC, false, 1);
259 
260  //create the rings
261  //G4double dx_Ring = 7.4 / 2.*CLHEP::cm;
262  //G4double dy_Ring = 7.4 / 2.*CLHEP::cm;
263  G4double dx_Ring = rodx / 2.;
264  G4double dy_Ring = rody / 2.;
265  G4double dz_Ring = 0.127 / 2.*CLHEP::cm;
266 
267  G4VSolid* s_Ring = new G4Box("s_RingFilled", dx_Ring, dy_Ring, dz_Ring);
268  //G4double dx_RingHole = 5.4 / 2.*CLHEP::cm;
269  //G4double dy_RingHole = 5.4 / 2.*CLHEP::cm;
270  G4double dx_RingHole = xrodh / 2.;
271  G4double dy_RingHole = yrodh / 2.;
272  G4double dz_RingHole = dz_Ring;
273  G4VSolid* s_RingHole = new G4Box("s_RingHole", dx_RingHole, dy_RingHole, dz_RingHole);
274  s_Ring = new G4SubtractionSolid("s_Ring", s_Ring, s_RingHole, 0, G4ThreeVector(0, 0, 0));
275 
276  G4double iR_RingHoles = 0.*CLHEP::mm;
277  G4double oR_RingHoles = oR_Rod;
278  G4double h_RingHoles = dz_Ring;
279  G4double sA_RingHoles = 0.*CLHEP::deg;
280  G4double spA_RingHoles = 360.*CLHEP::deg;
281  G4VSolid* s_RingHoles = new G4Tubs("s_RingHoles", iR_RingHoles, oR_RingHoles, h_RingHoles, sA_RingHoles, spA_RingHoles);
282  char Name[400];
283  for (G4int i = 0; i < 4; i++) {
284  sprintf(Name, "s_Ring_%d", i);
285  s_Ring = new G4SubtractionSolid(Name, s_Ring, s_RingHoles, 0, G4ThreeVector(x_Rod[i], y_Rod[i], 0));
286  }
287 
288  G4LogicalVolume* l_Ring = new G4LogicalVolume(s_Ring, geometry::Materials::get("TPC_Al6061"), "l_Ring");
289  G4int RingNb = 10;
290  G4double hspacer = 1.*CLHEP::cm;
291  G4double offset = dz_iGasTPC - 5.*CLHEP::cm;
292 
293  G4double x_Ring[40];
294  G4double y_Ring[40];
295  G4double z_Ring[40];
296  for (G4int i = 0; i < RingNb; i++) {
297  x_Ring[i] = 0;
298  y_Ring[i] = 0;
299  z_Ring[i] = -dz_iGasTPC + offset + (hspacer + 2. * dz_Ring) * i;
300  //cout << "z ring # " << i << " pos. " << z_Ring[i] / CLHEP::cm << endl;
301  sprintf(Name, "p_Ring_%d", i);
302  new G4PVPlacement(0, G4ThreeVector(x_Ring[i], y_Ring[i], z_Ring[i]), l_Ring, Name, l_iGasTPC, false, 1);
303  }
304 
305  //create anode
306  G4VSolid* s_Anode = new G4Box("s_Anode", dx_Ring, dy_Ring, dz_Ring);
307  for (G4int i = 0; i < 4; i++) {
308  sprintf(Name, "s_Anode_%d", i);
309  s_Anode = new G4SubtractionSolid(Name, s_Anode, s_RingHoles, 0, G4ThreeVector(x_Rod[i], y_Rod[i], 0));
310  }
311  G4LogicalVolume* l_Anode = new G4LogicalVolume(s_Anode, geometry::Materials::get("TPC_Al6061"), "l_Anode");
312  x_Ring[10] = 0;
313  y_Ring[10] = 0;
314  z_Ring[10] = -dz_iGasTPC + offset + (hspacer + 2.*dz_Ring) * RingNb;
315  new G4PVPlacement(0, G4ThreeVector(x_Ring[RingNb], y_Ring[RingNb], z_Ring[RingNb]), l_Anode, "p_Anode", l_iGasTPC, false, 1);
316 
317  //create ring spacer
318  G4double iR_RSpacer = oR_Rod;
319  G4double oR_RSpacer = oR_Rod + 2.*CLHEP::mm;
320  G4double h_RSpacer = (z_Ring[1] - dz_Ring - (z_Ring[0] + dz_Ring)) / 2.;
321  G4double sA_RSpacer = 0.*CLHEP::deg;
322  G4double spA_RSpacer = 360.*CLHEP::deg;
323  G4Tubs* s_RSpacer = new G4Tubs("s_RSpacer1", iR_RSpacer, oR_RSpacer, h_RSpacer, sA_RSpacer, spA_RSpacer);
324  G4LogicalVolume* l_RSpacer = new G4LogicalVolume(s_RSpacer, geometry::Materials::get("G4_POLYVINYL_ACETATE"), "l_RSpacer");
325 
326  G4double x_RSpacer[40];
327  G4double y_RSpacer[40];
328  G4double z_RSpacer[40];
329  for (G4int i = 0; i < 10; i++) {
330  for (G4int k = 0; k < 4; k++) {
331  x_RSpacer[i] = x_Rod[k];
332  y_RSpacer[i] = y_Rod[k];
333  z_RSpacer[i] = z_Ring[i] + dz_Ring + h_RSpacer;
334  sprintf(Name, "p_RSpacer_%d_%d", i, k);
335  new G4PVPlacement(0, G4ThreeVector(x_RSpacer[i], y_RSpacer[i], z_RSpacer[i]), l_RSpacer, Name, l_iGasTPC, false, 1);
336  }
337  }
338 
339  //create GEM
340  G4double dx_GEM = 50. / 2.*CLHEP::mm;
341  G4double dy_GEM = 50. / 2.*CLHEP::mm;
342  G4double dz_GEM = 1.6 / 2.*CLHEP::mm;
343 
344  G4double x_GEM = 0.*CLHEP::cm;
345  G4double y_GEM = 0.*CLHEP::cm;
346  //G4double z_GEM[] = { -dz_iGasTPC + 2.*CLHEP::cm - 0.21 * CLHEP::cm - dz_GEM, -dz_iGasTPC + 2.*CLHEP::cm - dz_GEM};
347  G4double z_GEM[] = { z_Ring[0] - dz_Ring - dz_GEM, z_Ring[0] - dz_Ring - 2. * dz_GEM - 0.28 * CLHEP::cm};
348  /*cout << "ring 1 " << z_Ring[1] / CLHEP::cm << " ring 0 " << z_Ring[0] / CLHEP::cm << " gem 1 " << z_GEM[0] / CLHEP::cm << " gem 2 "
349  << z_GEM[1] / CLHEP::cm << endl;*/
350 
351  G4VSolid* s_GEM = new G4Box("s_GEM", dx_GEM, dy_GEM, dz_GEM);
352  G4LogicalVolume* l_GEM = new G4LogicalVolume(s_GEM, geometry::Materials::get("TPC_Kovar"), "l_GEM");
353  for (G4int i = 0; i < 2; i++) {
354  sprintf(Name, "p_GEM_%d", i);
355  new G4PVPlacement(0, G4ThreeVector(x_GEM, y_GEM, z_GEM[i]), l_GEM, Name, l_iGasTPC, false, 1);
356  }
357 
358  //create GEM support holder
359  G4double dx_GEMSupport = dx_Ring;
360  G4double dy_GEMSupport = dy_Ring;
361  G4double dz_GEMSupport = dz_GEM;
362  G4VSolid* s_GEMSupport = new G4Box("s_GEMSupport1", dx_GEMSupport, dy_GEMSupport, dz_GEMSupport);
363 
364  G4double iR_GEMSupportHoles = 0.*CLHEP::mm;
365  G4double oR_GEMSupportHoles = oR_Rod;
366  G4double h_GEMSupportHoles = dz_GEMSupport;
367  G4double sA_GEMSupportHoles = 0.*CLHEP::deg;
368  G4double spA_GEMSupportHoles = 360.*CLHEP::deg;
369  G4VSolid* s_GEMSupportHoles = new G4Tubs("s_GEMSupportHoles", iR_GEMSupportHoles, oR_GEMSupportHoles, h_GEMSupportHoles,
370  sA_GEMSupportHoles, spA_GEMSupportHoles);
371  s_GEMSupport = new G4SubtractionSolid("s_GEMSupport2", s_GEMSupport, s_GEM, 0, G4ThreeVector(0, 0, 0));
372  for (G4int i = 0; i < 4; i++) {
373  sprintf(Name, "s_GEMSupport_%d", i);
374  s_GEMSupport = new G4SubtractionSolid(Name, s_GEMSupport, s_GEMSupportHoles, 0, G4ThreeVector(x_Rod[i], y_Rod[i], 0));
375  }
376 
377  G4LogicalVolume* l_GEMSupport = new G4LogicalVolume(s_GEMSupport, TPC_G10, "l_GEMSupport");
378  for (G4int i = 0; i < 2; i++) {
379  sprintf(Name, "p_GEMSupport_%d", i);
380  new G4PVPlacement(0, G4ThreeVector(x_GEM, y_GEM, z_GEM[i]), l_GEMSupport, Name, l_iGasTPC, false, 1);
381  }
382  //cout <<"gem 1 " << z_GEM[0] << " gem 2 " << z_GEM[1] << " ring 22 " << z_Ring[22] << " anode " << z_Ring[23] << " dz_GEM " << dz_GEM << " dz_Ring " << dz_Ring << endl;
383  //create sensitive volume
384  G4double dx_GasTPC = 2.95 / 2. * CLHEP::cm;
385  G4double dy_GasTPC = 2.95 / 2. * CLHEP::cm;
386  G4double dz_GasTPC = (z_Ring[10] - dz_Ring - z_GEM[0] - dz_GEM) / 2.; //13.5 * CLHEP::cm;
387  cout << " dz_GasTPC " << dz_GasTPC / CLHEP::cm << endl;
388  G4Box* s_GasTPC = new G4Box("s_GasTPC", dx_GasTPC, dy_GasTPC, dz_GasTPC);
389  G4LogicalVolume* l_GasTPC = new G4LogicalVolume(s_GasTPC, gasmix_4HeCO2, "l_GasTPC", 0, m_sensitive);
390 
391  //Lets limit the Geant4 stepsize inside the volume
392  l_GasTPC->SetUserLimits(new G4UserLimits(stepSize));
393 
394  G4double x_GasTPC = 0;
395  G4double y_GasTPC = 0;
396  G4double z_GasTPC = z_GEM[0] + dz_GEM + dz_GasTPC;
397 
398  new G4PVPlacement(0, G4ThreeVector(x_GasTPC, y_GasTPC, z_GasTPC), l_GasTPC, "p_GasTPC", l_iGasTPC, false, detID);
399 
400  B2INFO("Micro-TPC-Sensitive-Volume-" << detID << " placed at: (" << TPCpos.getX() + x_GasTPC << "," << TPCpos.getY() + y_GasTPC <<
401  "," << TPCpos.getZ() + z_GasTPC << ") mm");
402 
403  //create pixel chip
404  G4double dx_PixelChip = dx_GasTPC;
405  G4double dy_PixelChip = dy_GasTPC;
406  G4double dz_PixelChip = 1. / 2.*CLHEP::mm;
407 
408  G4double x_PixelChip = 0.*CLHEP::mm;
409  G4double y_PixelChip = 0.*CLHEP::mm;
410  G4double z_PixelChip = z_GEM[1] - 0.3 * CLHEP::cm;
411 
412  G4Box* s_PixelChip = new G4Box("s_PixelChip", dx_PixelChip, dy_PixelChip, dz_PixelChip);
413  G4LogicalVolume* l_PixelChip = new G4LogicalVolume(s_PixelChip, geometry::Materials::get("G4_PLASTIC_SC_VINYLTOLUENE"),
414  "l_PixelChip");
415  new G4PVPlacement(0, G4ThreeVector(x_PixelChip, y_PixelChip, z_PixelChip), l_PixelChip, "p_PixelChip", l_iGasTPC, false, 1);
416 
417  //create cu plate
418  G4double dx_CuPlate = dx_Ring;
419  G4double dy_CuPlate = dy_Ring;
420  G4double dz_CuPlate = dz_PixelChip;
421 
422  G4VSolid* s_CuPlate = new G4Box("s_CuPlate", dx_CuPlate, dy_CuPlate, dz_CuPlate);
423  G4VSolid* s_HolesInCuPlate = new G4Tubs("HolesInCuPlate", iR_RingHoles, oR_RingHoles, dz_PixelChip, sA_RingHoles, spA_RingHoles);
424  for (G4int i = 0; i < 4; i++) {
425  sprintf(Name, "s_CuPlate_%d", i);
426  s_CuPlate = new G4SubtractionSolid(Name, s_CuPlate, s_HolesInCuPlate, 0, G4ThreeVector(x_Rod[i], y_Rod[i], 0));
427  }
428  s_CuPlate = new G4SubtractionSolid("s_CuPlate", s_CuPlate, s_PixelChip, 0, G4ThreeVector(0, 0, 0));
429 
430 
431  G4LogicalVolume* l_CuPlate = new G4LogicalVolume(s_CuPlate, TPC_metaCuScreen, "l_CuPlate");
432  new G4PVPlacement(0, G4ThreeVector(x_PixelChip, y_PixelChip, z_PixelChip), l_CuPlate, "p_CuPlate", l_iGasTPC, false, 1);
433 
434  //create pixel board
435  G4double dx_PixelBoard = dx_Ring;
436  G4double dy_PixelBoard = dy_Ring;
437  G4double dz_PixelBoard = 2.*CLHEP::mm;
438 
439  G4VSolid* s_PixelBoard = new G4Box("s_PixelBoard1", dx_PixelBoard, dy_PixelBoard, dz_PixelBoard);
440  G4VSolid* s_PixelBoardHoles = new G4Tubs("s_PixelBoardHoles", iR_RingHoles, oR_RingHoles, dz_PixelBoard, sA_RingHoles,
441  spA_RingHoles);
442  for (G4int i = 0; i < 4; i++) {
443  sprintf(Name, "s_PixelBoard_%d", i);
444  s_PixelBoard = new G4SubtractionSolid(Name, s_PixelBoard, s_PixelBoardHoles, 0, G4ThreeVector(x_Rod[i], y_Rod[i], 0));
445  }
446 
447  G4double x_PixelBoard = 0.*CLHEP::mm;
448  G4double y_PixelBoard = 0.*CLHEP::mm;
449  G4double z_PixelBoard = z_PixelChip - dz_PixelBoard - dz_PixelChip;
450 
451  G4LogicalVolume* l_PixelBoard = new G4LogicalVolume(s_PixelBoard, TPC_G10, "l_PixelBoard");
452 
453  new G4PVPlacement(0, G4ThreeVector(x_PixelBoard, y_PixelBoard, z_PixelBoard), l_PixelBoard, "p_PixelBoard", l_iGasTPC, false, 1);
454  detID++;
455  }
456  }

◆ 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::microtpc::MicrotpcCreator::m_sensitive
SensitiveDetector * m_sensitive
SensitiveDetector micro-tpc.
Definition: MicrotpcCreator.h:36