Gabriele Cosmo
177 lines
5.9 KiB
C++
177 lines
5.9 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: G4Sphere.hh,v 1.10 2004/01/26 09:03:20 gcosmo Exp $
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// GEANT4 tag $Name: geant4-06-00-patch-01 $
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//
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//
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// --------------------------------------------------------------------
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// GEANT 4 class header file
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//
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// G4Sphere
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//
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// Class description:
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//
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// A G4Sphere is, in the general case, section of a spherical shell,
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// between specified phii and theta angles
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//
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// The phi and theta segments are described by a starting angle,
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// and the +ve delta angle for the shape.
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// If the delta angle is >=2*M_PI, or >=M_PI the shape is treated as
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// continuous in phi or theta respectively.
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//
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// Theta must lie between 0-PI (incl).
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//
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// Member Data:
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//
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// fRmin inner radius
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// fRmax outer radius
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//
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// fSPhi starting angle of the segment in radians
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// fDPhi delta angle of the segment in radians
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//
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// fSTheta starting angle of the segment in radians
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// fDTheta delta angle of the segment in radians
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//
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//
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// Note:
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// Internally fSPhi & fDPhi are adjusted so that fDPhi<=2PI,
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// and fDPhi+fSPhi<=2PI. This enables simpler comparisons to be
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// made with (say) Phi of a point.
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// History:
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// 28.3.94 P.Kent: old C++ code converted to tolerant geometry
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// 17.9.96 V.Grichine: final modifications to commit
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// --------------------------------------------------------------------
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#ifndef G4Sphere_HH
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#define G4Sphere_HH
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#include "G4CSGSolid.hh"
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class G4VisExtent;
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class G4Sphere : public G4CSGSolid
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{
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public: // with description
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G4Sphere(const G4String& pName,
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G4double pRmin, G4double pRmax,
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G4double pSPhi, G4double pDPhi,
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G4double pSTheta, G4double pDTheta);
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virtual ~G4Sphere() ;
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// Accessors
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inline G4double GetInsideRadius () const;
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inline G4double GetOuterRadius () const;
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inline G4double GetStartPhiAngle () const;
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inline G4double GetDeltaPhiAngle () const;
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inline G4double GetStartThetaAngle() const;
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inline G4double GetDeltaThetaAngle() const;
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// Modifiers
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inline void SetInsideRadius (G4double newRmin);
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inline void SetOuterRadius (G4double newRmax);
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inline void SetStartPhiAngle (G4double newSphi);
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inline void SetDeltaPhiAngle (G4double newDphi);
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inline void SetStartThetaAngle(G4double newSTheta);
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inline void SetDeltaThetaAngle(G4double newDTheta);
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// Methods for solid
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void ComputeDimensions( G4VPVParameterisation* p,
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const G4int n,
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const G4VPhysicalVolume* pRep);
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G4bool CalculateExtent(const EAxis pAxis,
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const G4VoxelLimits& pVoxelLimit,
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const G4AffineTransform& pTransform,
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G4double& pmin, G4double& pmax) const;
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EInside Inside(const G4ThreeVector& p) const;
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G4ThreeVector SurfaceNormal( const G4ThreeVector& p) const;
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G4double DistanceToIn(const G4ThreeVector& p,
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const G4ThreeVector& v) const;
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G4double DistanceToIn(const G4ThreeVector& p) const;
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G4double DistanceToOut(const G4ThreeVector& p,
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const G4ThreeVector& v,
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const G4bool calcNorm=G4bool(false),
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G4bool *validNorm=0,
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G4ThreeVector *n=0) const;
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G4double DistanceToOut(const G4ThreeVector& p) const;
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G4GeometryType GetEntityType() const;
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std::ostream& StreamInfo(std::ostream& os) const;
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// Visualisation functions
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G4VisExtent GetExtent () const;
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void DescribeYourselfTo(G4VGraphicsScene& scene) const;
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G4Polyhedron* CreatePolyhedron() const;
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G4NURBS* CreateNURBS() const;
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public: // without description
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// Old access functions
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inline G4double GetRmin() const;
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inline G4double GetRmax() const;
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inline G4double GetSPhi() const;
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inline G4double GetDPhi() const;
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inline G4double GetSTheta() const;
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inline G4double GetDTheta() const;
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protected:
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G4ThreeVectorList*
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CreateRotatedVertices(const G4AffineTransform& pTransform,
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G4int& noPolygonVertices) const;
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// Used by distanceToOut
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enum ESide {kNull,kRMin,kRMax,kSPhi,kEPhi,kSTheta,kETheta};
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// used by normal
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enum ENorm {kNRMin,kNRMax,kNSPhi,kNEPhi,kNSTheta,kNETheta};
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private:
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G4double fRmin,fRmax,
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fSPhi,fDPhi,
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fSTheta,fDTheta;
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G4double fEpsilon;
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};
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#include "G4Sphere.icc"
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#endif
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