HepMCEx01/src/ExN04CalorimeterROGeometry.cc

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