B2b/include/ChamberParameterisation.hh

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0025 //
0026 /// \file ChamberParameterisation.hh
0027 /// \brief Definition of the B2b::ChamberParameterisation class
0028
0029 #ifndef B2bChamberParameterisation_h
0030 #define B2bChamberParameterisation_h 1
0031
0032 #include "G4VPVParameterisation.hh"
0033 #include "globals.hh"
0034
0035 class G4VPhysicalVolume;
0036 class G4Box;
0037
0038 // Dummy declarations to get rid of warnings ...
0039 class G4Trd;
0040 class G4Trap;
0041 class G4Cons;
0042 class G4Orb;
0043 class G4Sphere;
0044 class G4Ellipsoid;
0045 class G4Torus;
0046 class G4Para;
0047 class G4Hype;
0048 class G4Tubs;
0049 class G4Polycone;
0050 class G4Polyhedra;
0051
0052 namespace B2b
0053 {
0054
0055 ///  A parameterisation that describes a series of boxes along Z.
0056 ///
0057 ///  The boxes have equal width, & their lengths are a linear equation.
0058 ///  They are spaced an equal distance apart, starting from given location.
0059
0060 class ChamberParameterisation : public G4VPVParameterisation
0061 {
0062   public:
0063     ChamberParameterisation(G4int noChambers, G4double startZ, G4double spacing,
0064                             G4double widthChamber, G4double lengthInitial, G4double lengthFinal);
0065
0066     ~ChamberParameterisation() override = default;
0067
0068     void ComputeTransformation(const G4int copyNo, G4VPhysicalVolume* physVol) const override;
0069
0070     void ComputeDimensions(G4Tubs& trackerLayer, const G4int copyNo,
0071                            const G4VPhysicalVolume* physVol) const override;
0072
0073   private:  // Dummy declarations to get rid of warnings ...
0074     void ComputeDimensions(G4Box&, const G4int, const G4VPhysicalVolume*) const override {}
0075     void ComputeDimensions(G4Trd&, const G4int, const G4VPhysicalVolume*) const override {}
0076     void ComputeDimensions(G4Trap&, const G4int, const G4VPhysicalVolume*) const override {}
0077     void ComputeDimensions(G4Cons&, const G4int, const G4VPhysicalVolume*) const override {}
0078     void ComputeDimensions(G4Sphere&, const G4int, const G4VPhysicalVolume*) const override {}
0079     void ComputeDimensions(G4Orb&, const G4int, const G4VPhysicalVolume*) const override {}
0080     void ComputeDimensions(G4Ellipsoid&, const G4int, const G4VPhysicalVolume*) const override {}
0081     void ComputeDimensions(G4Torus&, const G4int, const G4VPhysicalVolume*) const override {}
0082     void ComputeDimensions(G4Para&, const G4int, const G4VPhysicalVolume*) const override {}
0083     void ComputeDimensions(G4Hype&, const G4int, const G4VPhysicalVolume*) const override {}
0084     void ComputeDimensions(G4Polycone&, const G4int, const G4VPhysicalVolume*) const override {}
0085     void ComputeDimensions(G4Polyhedra&, const G4int, const G4VPhysicalVolume*) const override {}
0086
0087   private:
0088     G4int fNoChambers;
0089     G4double fStartZ;
0090     G4double fHalfWidth;  //  The half-width of each tracker chamber
0091     G4double fSpacing;  //  The distance between the chambers' center
0092     G4double fRmaxFirst;  //  The first half-length
0093     G4double fRmaxIncr;  //  The Increment for the half-length
0094 };
0095
0096 }  // namespace B2b
0097
0098 #endif