G02/src/G02ChamberParameterisation.cc

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