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25 //
26 /// \file persistency/gdml/G02/include/G02ChamberParameterisation.hh
27 /// \brief Definition of the G02ChamberParameterisation class
28 //
29 //
30 //
31 // Class G02ChamberParameterisation
32 //
33 // A parameterisation that describes a series of boxes along Z
34 // The boxes have equal width; their lengths are a linear equation.
35 // They are spaced an equal distance apart, starting from a given location.
36 //
37 // ----------------------------------------------------------------------------
38
39 #ifndef G02ChamberParameterisation_H
40 #define G02ChamberParameterisation_H 1
41
42 #include "G4VPVParameterisation.hh"
43 #include "globals.hh"
44
45 class G4VPhysicalVolume;
46 class G4Box;
47
48 // Dummy declarations to get rid of warnings ...
49 //
50 class G4Trd;
51 class G4Trap;
52 class G4Cons;
53 class G4Orb;
54 class G4Sphere;
55 class G4Ellipsoid;
56 class G4Torus;
57 class G4Para;
58 class G4Hype;
59 class G4Tubs;
60 class G4Polycone;
61 class G4Polyhedra;
62
63 // ----------------------------------------------------------------------------
64
65 /// Chamber parametrisation used in the GDML read/write example
66
67 class G02ChamberParameterisation : public G4VPVParameterisation
68 {
69 public:
70 G02ChamberParameterisation(G4int NoChambers, G4double startZ, G4double spacing,
71 G4double widthChamber, G4double lengthInitial, G4double lengthFinal);
72
73 ~G02ChamberParameterisation();
74
75 void ComputeTransformation(const G4int copyNo, G4VPhysicalVolume* physVol) const;
76
77 void ComputeDimensions(G4Box& trackerLayer, const G4int copyNo,
78 const G4VPhysicalVolume* physVol) const;
79
80 private: // Dummy declarations to get rid of warnings ...
81 void ComputeDimensions(G4Trd&, const G4int, const G4VPhysicalVolume*) const {}
82 void ComputeDimensions(G4Trap&, const G4int, const G4VPhysicalVolume*) const {}
83 void ComputeDimensions(G4Cons&, const G4int, const G4VPhysicalVolume*) const {}
84 void ComputeDimensions(G4Sphere&, const G4int, const G4VPhysicalVolume*) const {}
85 void ComputeDimensions(G4Orb&, const G4int, const G4VPhysicalVolume*) const {}
86 void ComputeDimensions(G4Ellipsoid&, const G4int, const G4VPhysicalVolume*) const {}
87 void ComputeDimensions(G4Torus&, const G4int, const G4VPhysicalVolume*) const {}
88 void ComputeDimensions(G4Para&, const G4int, const G4VPhysicalVolume*) const {}
89 void ComputeDimensions(G4Hype&, const G4int, const G4VPhysicalVolume*) const {}
90 void ComputeDimensions(G4Tubs&, const G4int, const G4VPhysicalVolume*) const {}
91 void ComputeDimensions(G4Polycone&, const G4int, const G4VPhysicalVolume*) const {}
92 void ComputeDimensions(G4Polyhedra&, const G4int, const G4VPhysicalVolume*) const {}
93
94 private:
95 G4int fNoChambers;
96 G4double fStartZ;
97 G4double fHalfWidth; // The half-width of each tracker chamber
98 G4double fSpacing; // The distance between the chambers' center
99 G4double fHalfLengthFirst; // The first half-length
100 G4double fHalfLengthIncr; // The Increment for the half-length
101 };
102
103 // ----------------------------------------------------------------------------
104
105 #endif
106