include/Geant4/G4UPara.hh

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
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0024 // ********************************************************************
0025 //
0026 // G4UPara
0027 //
0028 // Class description:
0029 //
0030 // Wrapper class for G4Para to make use of VecGeom Parallelepiped.
0031
0032 // 13.09.13 G.Cosmo, CERN/PH
0033 // --------------------------------------------------------------------
0034 #ifndef G4UPARA_HH
0035 #define G4UPARA_HH
0036
0037 #include "G4UAdapter.hh"
0038
0039 #if ( defined(G4GEOM_USE_USOLIDS) || defined(G4GEOM_USE_PARTIAL_USOLIDS) )
0040
0041 #include <VecGeom/volumes/UnplacedParallelepiped.h>
0042
0043 #include "G4Polyhedron.hh"
0044
0045 class G4UPara : public G4UAdapter<vecgeom::UnplacedParallelepiped>
0046 {
0047   using Shape_t = vecgeom::UnplacedParallelepiped;
0048   using Base_t  = G4UAdapter<vecgeom::UnplacedParallelepiped>;
0049
0050   public:  // with description
0051
0052     G4UPara(const G4String& pName,
0053                   G4double pDx, G4double pDy, G4double pDz,
0054                   G4double pAlpha, G4double pTheta, G4double pPhi);
0055
0056     G4UPara(const G4String& pName,
0057             const G4ThreeVector pt[8]);
0058
0059    ~G4UPara() override;
0060
0061     // Accessors
0062
0063     G4double GetZHalfLength()  const;
0064     G4double GetYHalfLength()  const;
0065     G4double GetXHalfLength()  const;
0066     G4ThreeVector GetSymAxis() const;
0067     G4double GetTanAlpha()     const;
0068
0069     G4double GetAlpha()  const;
0070     G4double GetTheta()  const;
0071     G4double GetPhi()    const;
0072     // Obtain (re)computed values of original parameters
0073
0074     // Modifiers
0075
0076     void SetXHalfLength(G4double val);
0077     void SetYHalfLength(G4double val);
0078     void SetZHalfLength(G4double val);
0079     void SetAlpha(G4double alpha);
0080     void SetTanAlpha(G4double val);
0081     void SetThetaAndPhi(double pTheta, double pPhi);
0082
0083     void SetAllParameters(G4double pDx, G4double pDy, G4double pDz,
0084                           G4double pAlpha, G4double pTheta, G4double pPhi);
0085
0086     void ComputeDimensions(G4VPVParameterisation* p,
0087                            const G4int n,
0088                            const G4VPhysicalVolume* pRep) override;
0089
0090     inline G4GeometryType GetEntityType() const override;
0091
0092     void BoundingLimits(G4ThreeVector& pMin, G4ThreeVector& pMax) const override;
0093
0094     G4bool CalculateExtent(const EAxis pAxis,
0095                            const G4VoxelLimits& pVoxelLimit,
0096                            const G4AffineTransform& pTransform,
0097                                  G4double& pMin, G4double& pMax) const override;
0098
0099     G4VSolid* Clone() const override;
0100
0101     G4Polyhedron* CreatePolyhedron   () const override;
0102
0103   public:  // without description
0104
0105     G4UPara(__void__&);
0106       // Fake default constructor for usage restricted to direct object
0107       // persistency for clients requiring preallocation of memory for
0108       // persistifiable objects
0109
0110     G4UPara(const G4UPara& rhs);
0111     G4UPara& operator=(const G4UPara& rhs);
0112       // Copy constructor and assignment operator
0113
0114   private:
0115
0116     void CheckParameters();
0117       // Check parameters
0118
0119     void MakePlanes();
0120       // Set side planes
0121
0122   private:
0123
0124     G4double fTalpha,fTthetaCphi,fTthetaSphi;
0125     struct { G4double a,b,c,d; } fPlanes[4];
0126 };
0127
0128 // --------------------------------------------------------------------
0129 // Inline methods
0130 // --------------------------------------------------------------------
0131
0132 inline G4GeometryType G4UPara::GetEntityType() const
0133 {
0134   return "G4Para";
0135 }
0136
0137 #endif  // G4GEOM_USE_USOLIDS
0138
0139 #endif