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geant4/source/geometry/solids/specific/include/G4Polyhedra.hh
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//
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// $Id: G4Polyhedra.hh,v 1.17 2007/01/22 12:58:53 gcosmo Exp $
// GEANT4 tag $Name: geant4-08-03 $
//
//
// --------------------------------------------------------------------
// GEANT 4 class header file
//
//
// G4Polyhedra.hh
//
// Class description:
//
// Class implementing a CSG-like type "PGON" Geant 3.21 volume,
// inherited from class G4VCSGfaceted:
//
// G4Polyhedra( const G4String& name,
// G4double phiStart, - initial phi starting angle
// G4double phiTotal, - total phi angle
// G4int numSide, - number sides
// G4int numZPlanes, - number of z planes
// const G4double zPlane[], - position of z planes
// const G4double rInner[], - tangent distance to inner surface
// const G4double rOuter[] ) - tangent distance to outer surface
//
// G4Polyhedra( const G4String& name,
// G4double phiStart, - initial phi starting angle
// G4double phiTotal, - total phi angle
// G4int numSide, - number sides
// G4int numRZ, - number corners in r,z space
// const G4double r[], - r coordinate of these corners
// const G4double z[] ) - z coordinate of these corners
// Author:
// David C. Williams (davidw@scipp.ucsc.edu)
// --------------------------------------------------------------------
#ifndef G4Polyhedra_hh
#define G4Polyhedra_hh
#include "G4VCSGfaceted.hh"
#include "G4PolyhedraSide.hh"
class G4EnclosingCylinder;
class G4ReduciblePolygon;
class G4PolyhedraHistorical
{
public:
G4PolyhedraHistorical();
~G4PolyhedraHistorical();
G4PolyhedraHistorical( const G4PolyhedraHistorical &source );
G4PolyhedraHistorical& operator=( const G4PolyhedraHistorical& right );
G4double Start_angle;
G4double Opening_angle;
G4int numSide;
G4int Num_z_planes;
G4double *Z_values;
G4double *Rmin;
G4double *Rmax;
};
class G4Polyhedra : public G4VCSGfaceted
{
public: // with description
G4Polyhedra( const G4String& name,
G4double phiStart, // initial phi starting angle
G4double phiTotal, // total phi angle
G4int numSide, // number sides
G4int numZPlanes, // number of z planes
const G4double zPlane[], // position of z planes
const G4double rInner[], // tangent distance to inner surface
const G4double rOuter[] ); // tangent distance to outer surface
G4Polyhedra( const G4String& name,
G4double phiStart, // initial phi starting angle
G4double phiTotal, // total phi angle
G4int numSide, // number sides
G4int numRZ, // number corners in r,z space
const G4double r[], // r coordinate of these corners
const G4double z[] ); // z coordinate of these corners
virtual ~G4Polyhedra();
G4Polyhedra( const G4Polyhedra &source );
const G4Polyhedra &operator=( const G4Polyhedra &source );
// Methods for solid
EInside Inside( const G4ThreeVector &p ) const;
G4double DistanceToIn( const G4ThreeVector &p,
const G4ThreeVector &v ) const;
G4double DistanceToIn( const G4ThreeVector &p ) const;
void ComputeDimensions( G4VPVParameterisation* p,
const G4int n,
const G4VPhysicalVolume* pRep);
G4GeometryType GetEntityType() const;
G4ThreeVector GetPointOnSurface() const;
std::ostream& StreamInfo( std::ostream& os ) const;
G4Polyhedron* CreatePolyhedron() const;
G4NURBS* CreateNURBS() const;
G4bool Reset();
// Accessors
inline G4int GetNumSide() const;
inline G4double GetStartPhi() const;
inline G4double GetEndPhi() const;
inline G4bool IsOpen() const;
inline G4bool IsGeneric() const;
inline G4int GetNumRZCorner() const;
inline G4PolyhedraSideRZ GetCorner( const G4int index ) const;
inline G4PolyhedraHistorical* GetOriginalParameters() const;
// Returns internal scaled parameters.
inline void SetOriginalParameters(G4PolyhedraHistorical* pars);
// Sets internal parameters. Parameters 'Rmin' and 'Rmax' in input must
// be scaled first by a factor computed as 'cos(0.5*phiTotal/theNumSide)',
// if not already scaled.
public: // without description
G4Polyhedra(__void__&);
// Fake default constructor for usage restricted to direct object
// persistency for clients requiring preallocation of memory for
// persistifiable objects.
protected: // without description
inline void SetOriginalParameters();
// Sets internal parameters for the generic constructor.
void Create( G4double phiStart, // initial phi starting angle
G4double phiTotal, // total phi angle
G4int numSide, // number sides
G4ReduciblePolygon *rz ); // rz coordinates
// Generates the shape and is called by each constructor, after the
// conversion of the arguments
void CopyStuff( const G4Polyhedra &source );
void DeleteStuff();
// Methods for generation of random points on surface
G4ThreeVector GetPointOnPlane(G4ThreeVector p0, G4ThreeVector p1,
G4ThreeVector p2, G4ThreeVector p3) const;
G4ThreeVector GetPointOnTriangle(G4ThreeVector p0, G4ThreeVector p1,
G4ThreeVector p2) const;
G4ThreeVector GetPointOnSurfaceCorners() const;
protected: // without description
G4int numSide; // Number of sides
G4double startPhi; // Starting phi value (0 < phiStart < 2pi)
G4double endPhi; // end phi value (0 < endPhi-phiStart < 2pi)
G4bool phiIsOpen; // true if there is a phi segment
G4bool genericPgon; // true if created through the 2nd generic constructor
G4int numCorner; // number RZ points
G4PolyhedraSideRZ *corners; // our corners
G4PolyhedraHistorical *original_parameters; // original input parameters
G4EnclosingCylinder *enclosingCylinder;
};
#include "G4Polyhedra.icc"
#endif