ExP01ChamberParameterisation.hh

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//
//  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.
//
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#ifndef ExP01ChamberParameterisation_H
#define ExP01ChamberParameterisation_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;

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class ExP01ChamberParameterisation : public G4VPVParameterisation
{ 
  public:
  
    ExP01ChamberParameterisation(G4int    NoChambers, 
                                 G4double startZ, 
                                 G4double spacing,
                                 G4double widthChamber, 
                                 G4double lengthInitial,
                                 G4double lengthFinal );
                                 
   ~ExP01ChamberParameterisation();
   
    void ComputeTransformation (const G4int copyNo,
                                G4VPhysicalVolume* physVol) const;
    
    void ComputeDimensions (G4Box & trackerLayer, const G4int copyNo,
                            const G4VPhysicalVolume* physVol) const;

  private:  // Dummy declarations to get rid of warnings ...

    void ComputeDimensions (G4Trd&,const G4int,const G4VPhysicalVolume*) const {}
    void ComputeDimensions (G4Trap&,const G4int,const G4VPhysicalVolume*) const {}
    void ComputeDimensions (G4Cons&,const G4int,const G4VPhysicalVolume*) const {}
    void ComputeDimensions (G4Sphere&,const G4int,const G4VPhysicalVolume*) const {}
    void ComputeDimensions (G4Orb&,const G4int,const G4VPhysicalVolume*) const {}
    void ComputeDimensions (G4Ellipsoid&,const G4int,const G4VPhysicalVolume*) const {}
    void ComputeDimensions (G4Torus&,const G4int,const G4VPhysicalVolume*) const {}
    void ComputeDimensions (G4Para&,const G4int,const G4VPhysicalVolume*) const {}
    void ComputeDimensions (G4Hype&,const G4int,const G4VPhysicalVolume*) const {}
    void ComputeDimensions (G4Tubs&,const G4int,const G4VPhysicalVolume*) const {}
    void ComputeDimensions (G4Polycone&,const G4int,const G4VPhysicalVolume*) const {}
    void ComputeDimensions (G4Polyhedra&,const G4int,const G4VPhysicalVolume*) const {}

  private:

    G4int    fNoChambers;   
    G4double fStartZ;
    G4double fHalfWidth;    //  The half-width of each tracker chamber
    G4double fSpacing;      //  The distance between the chambers' center
    G4double fHalfLengthFirst;  //  The first half-length 
    G4double fHalfLengthIncr;   //  The Increment for the half-length 
};

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#endif