G02/src/G02ChamberParameterisation.cc

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0025 //
0026 /// \file persistency/gdml/G02/src/G02ChamberParameterisation.cc
0027 /// \brief Implementation of the G02ChamberParameterisation class
0028 //
0029 //
0030 //
0031 // Class G02ChamberParameterisation implementation
0032 //
0033 // ----------------------------------------------------------------------------
0034
0035 #include "G02ChamberParameterisation.hh"
0036
0037 #include "G4Box.hh"
0038 #include "G4ThreeVector.hh"
0039 #include "G4VPhysicalVolume.hh"
0040
0041 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0042
0043 G02ChamberParameterisation::G02ChamberParameterisation(G4int NoChambers,
0044                                                        G4double startZ,  //  Z of center of first
0045                                                        G4double spacingZ,  //  Z spacing of centers
0046                                                        G4double widthChamber,
0047                                                        G4double lengthInitial, G4double lengthFinal)
0048   : G4VPVParameterisation()
0049 {
0050   fNoChambers = NoChambers;
0051   fStartZ = startZ;
0052   fHalfWidth = widthChamber * 0.5;
0053   fSpacing = spacingZ;
0054   fHalfLengthFirst = 0.5 * lengthInitial;
0055
0056   if (NoChambers > 0) {
0057     fHalfLengthIncr = 0.5 * (lengthFinal - lengthInitial) / NoChambers;
0058     if (spacingZ < widthChamber) {
0059       G4Exception("ExN02G02ChamberParameterisation::G02ChamberParameterisation()", "InvalidSetup",
0060                   FatalException, "Invalid construction: Width>Spacing");
0061     }
0062   }
0063 }
0064
0065 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0066
0067 G02ChamberParameterisation::~G02ChamberParameterisation() {}
0068
0069 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0070
0071 void G02ChamberParameterisation::ComputeTransformation(const G4int copyNo,
0072                                                        G4VPhysicalVolume* physVol) const
0073 {
0074   G4double Zposition = fStartZ + (copyNo + 1) * fSpacing;
0075   G4ThreeVector origin(0., 0., Zposition);
0076   physVol->SetTranslation(origin);
0077   physVol->SetRotation(0);
0078 }
0079
0080 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0081
0082 void G02ChamberParameterisation::ComputeDimensions(G4Box& trackerChamber, const G4int copyNo,
0083                                                    const G4VPhysicalVolume*) const
0084 {
0085   G4double halfLength = fHalfLengthFirst + copyNo * fHalfLengthIncr;
0086   trackerChamber.SetXHalfLength(halfLength);
0087   trackerChamber.SetYHalfLength(halfLength);
0088   trackerChamber.SetZHalfLength(fHalfWidth);
0089 }
0090
0091 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......