Gabriele Cosmo
168 lines
5.7 KiB
C++
168 lines
5.7 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: G4Tubs.hh,v 1.7 2002/10/28 11:43:04 gcosmo Exp $
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// GEANT4 tag $Name: geant4-05-00 $
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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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//
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// G4Tubs
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//
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// Class description:
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//
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// A tube or tube segment with curved sides parallel to
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// the z-axis. The tube has a specified half-length along
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// the z axis, about which it is centred, and a given
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// minimum and maximum radius. A minimum radius of 0
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// signifies a filled tube /cylinder. The tube segment is
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// specified by starting and delta angles for phi, with 0
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// being the +x axis, PI/2 the +y axis.
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// A delta angle of 2PI signifies a complete, unsegmented
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// tube/cylinder.
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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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// fDz half length in z
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//
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// fSPhi The starting phi angle in radians,
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// adjusted such that fSPhi+fDPhi<=2PI, fSPhi>-2PI
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//
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// fDPhi Delta angle of the segment.
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// History:
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// 10.08.95 P.Kent: General cleanup, use G4VSolid extent helper functions
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// to CalculateExtent()
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// 23.01.94 P.Kent: Converted to `tolerant' geometry
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// 19.07.96 J.Allison: G4GraphicsScene - see G4Box
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// 22.07.96 J.Allison: Changed SendPolyhedronTo to CreatePolyhedron
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// --------------------------------------------------------------------
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#ifndef G4TUBS_HH
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#define G4TUBS_HH
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#include "G4CSGSolid.hh"
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class G4Tubs : public G4CSGSolid
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{
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public: // with description
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G4Tubs( const G4String& pName,
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G4double pRMin,
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G4double pRMax,
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G4double pDz,
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G4double pSPhi,
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G4double pDPhi );
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//
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// Constructs a tubs with the given name and dimensions
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virtual ~G4Tubs();
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//
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// Destructor
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// Accessors
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inline G4double GetInnerRadius () const;
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inline G4double GetOuterRadius () const;
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inline G4double GetZHalfLength () const;
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inline G4double GetStartPhiAngle () const;
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inline G4double GetDeltaPhiAngle () const;
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// Modifiers
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inline void SetInnerRadius (G4double newRMin);
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inline void SetOuterRadius (G4double newRMax);
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inline void SetZHalfLength (G4double newDz);
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inline void SetStartPhiAngle (G4double newSPhi);
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inline void SetDeltaPhiAngle (G4double newDPhi);
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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, const G4ThreeVector& v) const;
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G4double DistanceToIn(const G4ThreeVector& p) const;
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G4double DistanceToOut(const G4ThreeVector& p, const G4ThreeVector& v,
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const G4bool calcNorm=G4bool(false),
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G4bool *validNorm=0, 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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G4std::ostream& StreamInfo( G4std::ostream& os ) const;
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// Visualisation functions
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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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// Older names for access functions
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inline G4double GetRMin() const;
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inline G4double GetRMax() const;
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inline G4double GetDz () const;
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inline G4double GetSPhi() const;
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inline G4double GetDPhi() const;
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protected:
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G4ThreeVectorList*
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CreateRotatedVertices( const G4AffineTransform& pTransform ) const;
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//
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// Creates the List of transformed vertices in the format required
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// for G4VSolid:: ClipCrossSection and ClipBetweenSections
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G4double fRMin,fRMax,fDz,fSPhi,fDPhi;
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// Used by distanceToOut
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enum ESide {kNull,kRMin,kRMax,kSPhi,kEPhi,kPZ,kMZ};
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// used by normal
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enum ENorm {kNRMin,kNRMax,kNSPhi,kNEPhi,kNZ};
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};
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#include "G4Tubs.icc"
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#endif
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