HepMCEx01/src/ExN04CalorimeterROGeometry.cc

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0026 /// \file eventgenerator/HepMC/HepMCEx01/src/ExN04CalorimeterROGeometry.cc
0027 /// \brief Implementation of the ExN04CalorimeterROGeometry class
0028 //
0029 //
0030
0031 #include "ExN04CalorimeterROGeometry.hh"
0032
0033 #include "ExN04DummySD.hh"
0034
0035 #include "G4Box.hh"
0036 #include "G4LogicalVolume.hh"
0037 #include "G4Material.hh"
0038 #include "G4PVPlacement.hh"
0039 #include "G4PVReplica.hh"
0040 #include "G4SDManager.hh"
0041 #include "G4SystemOfUnits.hh"
0042 #include "G4ThreeVector.hh"
0043 #include "G4Tubs.hh"
0044 #include "G4VPhysicalVolume.hh"
0045
0046 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0047 ExN04CalorimeterROGeometry::ExN04CalorimeterROGeometry() : G4VReadOutGeometry()
0048 {
0049 #include "ExN04DetectorParameterDef.icc"
0050 }
0051
0052 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0053 ExN04CalorimeterROGeometry::ExN04CalorimeterROGeometry(G4String aString)
0054   : G4VReadOutGeometry(aString)
0055 {
0056 #include "ExN04DetectorParameterDef.icc"
0057 }
0058
0059 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0060 ExN04CalorimeterROGeometry::~ExN04CalorimeterROGeometry() {}
0061
0062 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0063 G4VPhysicalVolume* ExN04CalorimeterROGeometry::Build()
0064 {
0065   // A dummy material is used to fill the volumes of the readout geometry.
0066   // ( It will be allowed to set a NULL pointer in volumes of such virtual
0067   // division in future, since this material is irrelevant for tracking.)
0068   G4Material* dummyMat = new G4Material(name = "dummyMat", 1., 1. * g / mole, 1. * g / cm3);
0069
0070   // Builds the ReadOut World:
0071   G4Box* ROWorldBox = new G4Box("ROWorldBox", fexpHall_x, fexpHall_y, fexpHall_z);
0072   G4LogicalVolume* ROWorldLog =
0073     new G4LogicalVolume(ROWorldBox, dummyMat, "ROWorldLogical", 0, 0, 0);
0074   G4PVPlacement* ROWorldPhys =
0075     new G4PVPlacement(0, G4ThreeVector(), "ROWorldPhysical", ROWorldLog, 0, false, 0);
0076   // Calorimeter volume:
0077   G4VSolid* caloROtub = new G4Tubs("caloROtub", fcaloTubs_rmin, fcaloTubs_rmax, fcaloTubs_dz,
0078                                    fcaloTubs_sphi, fcaloTubs_dphi);
0079   G4LogicalVolume* caloROlog = new G4LogicalVolume(caloROtub, dummyMat, "caloROlogical", 0, 0, 0);
0080   G4VPhysicalVolume* caloROphys =
0081     new G4PVPlacement(0, G4ThreeVector(), "calROphysical", caloROlog, ROWorldPhys, false, 0);
0082
0083   // -------------------------------
0084   // Calorimeter readout division:
0085   // -------------------------------
0086   // Phi division first: 48 sectors
0087   G4VSolid* caloROphiDivisionTub = new G4Tubs("caloROphiDivision", fcaloCell_rmin, fcaloCell_rmax,
0088                                               fcaloCell_dz, fcaloCell_sphi, fcaloCell_dphi);
0089   G4LogicalVolume* caloROphiDivisionLog =
0090     new G4LogicalVolume(caloROphiDivisionTub, dummyMat, "caloROphiDivisionLogical", 0, 0, 0);
0091   G4VPhysicalVolume* caloROphiDivisionPhys =
0092     new G4PVReplica("caloROphiDivisionPhysical", caloROphiDivisionLog, caloROphys, kPhi,
0093                     fsegmentsinPhi, fcaloCell_dphi);
0094   // then z division: 20 slices:
0095   G4VSolid* caloROcellTub = new G4Tubs("caloROcellTub", fcaloRing_rmin, fcaloRing_rmax,
0096                                        fcaloRing_dz, fcaloRing_sphi, fcaloRing_dphi);
0097   G4LogicalVolume* caloROcellLog =
0098     new G4LogicalVolume(caloROcellTub, dummyMat, "caloROcellLogical", 0, 0, 0);
0099   //  G4VPhysicalVolume * caloROcellPhys =
0100   new G4PVReplica("caloROcellPhysical", caloROcellLog, caloROphiDivisionPhys, kZAxis, fsegmentsinZ,
0101                   2. * fcaloRing_dz);
0102
0103   // Flags the cells as sensitive .The pointer here serves
0104   //  as a flag only to check for sensitivity.
0105   //  (Could we make it by a simple cast of a non-NULL value ?)
0106   ExN04DummySD* dummySensi = new ExN04DummySD;
0107   caloROcellLog->SetSensitiveDetector(dummySensi);
0108
0109   return ROWorldPhys;
0110 }