ChamberParameterisation.hh

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/// \file B2/B2b/include/ChamberParameterisation.hh
/// \brief Definition of the B2b::ChamberParameterisation class
 
#ifndef B2bChamberParameterisation_h
#define B2bChamberParameterisation_h 1
 
#include "globals.hh"
#include "G4VPVParameterisation.hh"
 
class G4VPhysicalVolume;
class G4Box;
 
// Dummy declarations to get rid of warnings ...
class G4Trd;
class G4Trap;
class G4Cons;
class G4Orb;
class G4Sphere;
class G4Ellipsoid;
class G4Torus;
class G4Para;
class G4Hype;
class G4Tubs;
class G4Polycone;
class G4Polyhedra;
 
namespace B2b
{
 
///  A parameterisation that describes a series of boxes along Z.
///
///  The boxes have equal width, & their lengths are a linear equation.
///  They are spaced an equal distance apart, starting from given location.
 
class ChamberParameterisation : public G4VPVParameterisation
{
  public:
    ChamberParameterisation(G4int    noChambers,
                            G4double startZ,
                            G4double spacing,
                            G4double widthChamber,
                            G4double lengthInitial,
                            G4double lengthFinal );
 
    ~ChamberParameterisation() override = default;
 
    void ComputeTransformation (const G4int copyNo,
                                G4VPhysicalVolume* physVol) const override;
 
    void ComputeDimensions (G4Tubs & trackerLayer, const G4int copyNo,
                            const G4VPhysicalVolume* physVol) const override;
 
  private:  // Dummy declarations to get rid of warnings ...
    void ComputeDimensions (G4Box&,const G4int,
                            const G4VPhysicalVolume*) const override {}
    void ComputeDimensions (G4Trd&,const G4int,
                            const G4VPhysicalVolume*) const override {}
    void ComputeDimensions (G4Trap&,const G4int,
                            const G4VPhysicalVolume*) const override {}
    void ComputeDimensions (G4Cons&,const G4int,
                            const G4VPhysicalVolume*) const override {}
    void ComputeDimensions (G4Sphere&,const G4int,
                            const G4VPhysicalVolume*) const override {}
    void ComputeDimensions (G4Orb&,const G4int,
                            const G4VPhysicalVolume*) const override {}
    void ComputeDimensions (G4Ellipsoid&,const G4int,
                            const G4VPhysicalVolume*) const override {}
    void ComputeDimensions (G4Torus&,const G4int,
                            const G4VPhysicalVolume*) const override {}
    void ComputeDimensions (G4Para&,const G4int,
                            const G4VPhysicalVolume*) const override {}
    void ComputeDimensions (G4Hype&,const G4int,
                            const G4VPhysicalVolume*) const override {}
    void ComputeDimensions (G4Polycone&,const G4int,
                            const G4VPhysicalVolume*) const override {}
    void ComputeDimensions (G4Polyhedra&,const G4int,
                            const G4VPhysicalVolume*) const override {}
 
  private:
    G4int    fNoChambers;
    G4double fStartZ;
    G4double fHalfWidth;        //  The half-width of each tracker chamber
    G4double fSpacing;          //  The distance between the chambers' center
    G4double fRmaxFirst;        //  The first half-length
    G4double fRmaxIncr;         //  The Increment for the half-length
};
 
}
 
#endif