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Gabriele Cosmo
2025-12-05 08:54:02 +01:00
parent a499fb82e9
commit b4a16de652
6484 changed files with 232674 additions and 221097 deletions
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source/geometry/solids/specific/include/G4VTwistSurface.hh
+377 -246
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@@ -29,8 +29,8 @@
//
// Abstract base class for boundary surface of G4VSolid.
// 01-Aug-2002 - Kotoyo Hoshina (hoshina@hepburn.s.chiba-u.ac.jp), created.
// 13-Nov-2003 - O.Link (Oliver.Link@cern.ch), Integration in Geant4
// Author: Kotoyo Hoshina (Chiba University), 01.08.2002 - Created.
// Oliver Link (CERN), 13.11.2003 - Integration in Geant4
// from original version in Jupiter-2.5.02 application.
// --------------------------------------------------------------------
#ifndef G4VTWISTSURFACE_HH
@@ -45,324 +45,455 @@
#define G4VSURFACENXX 10
/**
* @brief G4VTwistSurface is a base class for boundary surface of a G4VSolid.
*/
class G4VTwistSurface
{
public:
public:
enum EValidate { kDontValidate = 0, kValidateWithTol = 1,
kValidateWithoutTol = 2, kUninitialized = 3 };
enum EValidate { kDontValidate = 0, kValidateWithTol = 1,
kValidateWithoutTol = 2, kUninitialized = 3 };
G4VTwistSurface (const G4String& name);
G4VTwistSurface (const G4String& name,
const G4RotationMatrix& rot,
const G4ThreeVector& tlate,
G4int handedness,
const EAxis axis1,
const EAxis axis2,
G4double axis0min = -kInfinity,
G4double axis1min = -kInfinity,
G4double axis0max = kInfinity,
G4double axis1max = kInfinity);
/**
* Base constructor, given a name.
* @param[in] name The surface name.
*/
G4VTwistSurface (const G4String& name);
virtual ~G4VTwistSurface() = default;
/**
* Constructs a surface, given its parameters.
* @param[in] name The surface name.
* @param[in] rot Rotation: 0.5*(phi-width segment).
* @param[in] tlate Translation.
* @param[in] handedness Orientation: R-hand = 1, L-hand = -1.
* @param[in] axis0 First axis.
* @param[in] axis1 Second axis.
* @param[in] axis0min Minimum in first axis.
* @param[in] axis1min Minimum in second axis.
* @param[in] axis0max Maximum in first axis.
* @param[in] axis1max Maximum in second axis.
*/
G4VTwistSurface (const G4String& name,
const G4RotationMatrix& rot,
const G4ThreeVector& tlate,
G4int handedness,
const EAxis axis0,
const EAxis axis1,
G4double axis0min = -kInfinity,
G4double axis1min = -kInfinity,
G4double axis0max = kInfinity,
G4double axis1max = kInfinity);
/**
* Default destructor.
*/
virtual ~G4VTwistSurface() = default;
virtual G4int AmIOnLeftSide(const G4ThreeVector& me,
const G4ThreeVector& vec,
G4bool withTol = true);
/**
* Returns the phi-location of point 'me' (phi relation between 'me' and
* 'vec' projected on z=0 plane). If 'me' is on -ve-phi-side of 'vec', it
* returns 1; on the other hand, if 'me' is on +ve-phi-side of 'vec',
* it returns -1. If 'me' is on boundary of 'vec', it returns 0.
* @returns The z-coordinate of normal vector of me.cross(vec).
*/
virtual G4int AmIOnLeftSide(const G4ThreeVector& me,
const G4ThreeVector& vec,
G4bool withTol = true);
virtual G4double DistanceToBoundary( G4int areacode,
G4ThreeVector& xx,
/**
* Returns the distance to the nearest boundary from an arbitrary point 'p'
* in local coodinate.
* @param[in] areacode Point location code according to axes.
* @param[out] xx The returned reference point on boundary.
* @param[in] p The arbitrary point in input.
*/
virtual G4double DistanceToBoundary(G4int areacode,
G4ThreeVector& xx,
const G4ThreeVector& p) ;
virtual G4double DistanceToIn(const G4ThreeVector& gp,
/**
* Returns the distance from outside to a boundary from an arbitrary
* point 'gp' and direction 'gv'.
* @param[in] gp The arbitrary point.
* @param[in] gv The direction vector.
* @param[out] gxxbest The returned reference point on boundary.
*/
virtual G4double DistanceToIn(const G4ThreeVector& gp,
const G4ThreeVector& gv,
G4ThreeVector& gxxbest);
virtual G4double DistanceToOut(const G4ThreeVector& gp,
const G4ThreeVector& gv,
G4ThreeVector& gxxbest);
virtual G4double DistanceTo(const G4ThreeVector& gp,
/**
* Returns the distance from inside to a boundary from an arbitrary
* point 'gp' and direction 'gv'.
* @param[in] gp The arbitrary point.
* @param[in] gv The direction vector.
* @param[out] gxxbest The returned reference point on boundary.
*/
virtual G4double DistanceToOut(const G4ThreeVector& gp,
const G4ThreeVector& gv,
G4ThreeVector& gxxbest);
/**
* Returns the safety distance to a boundary from an arbitrary point 'gp'.
* @param[in] gp The arbitrary point.
* @param[out] gxxbest The returned reference point on boundary.
*/
virtual G4double DistanceTo(const G4ThreeVector& gp,
G4ThreeVector& gxx);
virtual G4int DistanceToSurface(const G4ThreeVector& gp,
const G4ThreeVector& gv,
G4ThreeVector gxx[],
G4double distance[],
G4int areacode[],
G4bool isvalid[],
EValidate validate=kValidateWithTol) = 0;
/**
* Returns the distance to surface, given point 'gp' and direction 'gv'.
* @param[in] gp The point from where computing the distance.
* @param[in] gv The direction along which computing the distance.
* @param[out] gxx Vector of global points based on number of solutions.
* @param[out] distance The distance vector based on number of solutions.
* @param[out] areacode The location vector based on number of solutions.
* @param[out] isvalid Validity vector based on number of solutions.
* @param[in] validate Adopted validation criteria.
* @returns The number of solutions.
*/
virtual G4int DistanceToSurface(const G4ThreeVector& gp,
const G4ThreeVector& gv,
G4ThreeVector gxx[],
G4double distance[],
G4int areacode[],
G4bool isvalid[],
EValidate validate = kValidateWithTol) = 0;
virtual G4int DistanceToSurface(const G4ThreeVector& gp,
G4ThreeVector gxx[],
G4double distance[],
G4int areacode[]) = 0;
/**
* Returns the safety distance to surface, given point 'gp'.
* @param[in] gp The point from where computing the safety distance.
* @param[out] gxx Vector of global points based on number of solutions.
* @param[out] distance The distance vector based on number of solutions.
* @param[out] areacode The location vector based on number of solutions.
* @returns The number of solutions.
*/
virtual G4int DistanceToSurface(const G4ThreeVector& gp,
G4ThreeVector gxx[],
G4double distance[],
G4int areacode[]) = 0;
void DebugPrint() const;
virtual G4ThreeVector GetNormal(const G4ThreeVector& xx,G4bool isGlobal) = 0;
/**
* Returns a normal vector at a surface (or very close to the surface)
* point at 'p'.
* @param[in] p The point where computing the normal.
* @param[in] isGlobal If true, it returns the normal in global coordinates.
* @returns The normal vector.
*/
virtual G4ThreeVector GetNormal(const G4ThreeVector& p,
G4bool isGlobal) = 0;
virtual G4String GetName() const { return fName; }
virtual void GetBoundaryParameters(const G4int& areacode,
G4ThreeVector& d,
G4ThreeVector& x0,
G4int& boundarytype) const;
virtual G4ThreeVector GetBoundaryAtPZ(G4int areacode,
const G4ThreeVector& p) const;
/**
* Returns parameters of boundaries.
* @param[in] areacode The location code.
* @param[out] d Boundary direction.
* @param[out] x0 The point on boundary.
* @param[out] boundarytype The boundary code.
*/
virtual void GetBoundaryParameters(const G4int& areacode,
G4ThreeVector& d,
G4ThreeVector& x0,
G4int& boundarytype) const;
inline G4double DistanceToPlaneWithV(const G4ThreeVector& p,
/**
* Returns Z projection of point 'p' on boundary.
* @param[in] areacode The location code.
* @param[out] p The arbitrary point.
* @returns The Z projection on boundary.
*/
virtual G4ThreeVector GetBoundaryAtPZ(G4int areacode,
const G4ThreeVector& p) const;
/**
* Utility methods to compute the distance from a plane/line.
*/
inline G4double DistanceToPlaneWithV(const G4ThreeVector& p,
const G4ThreeVector& v,
const G4ThreeVector& x0,
const G4ThreeVector& n0,
G4ThreeVector& xx);
inline G4double DistanceToPlane(const G4ThreeVector& p,
inline G4double DistanceToPlane(const G4ThreeVector& p,
const G4ThreeVector& x0,
const G4ThreeVector& n0,
G4ThreeVector& xx);
inline G4double DistanceToPlane(const G4ThreeVector& p,
inline G4double DistanceToPlane(const G4ThreeVector& p,
const G4ThreeVector& x0,
const G4ThreeVector& t1,
const G4ThreeVector& t2,
G4ThreeVector& xx,
G4ThreeVector& n);
inline G4double DistanceToLine (const G4ThreeVector& p,
inline G4double DistanceToLine (const G4ThreeVector& p,
const G4ThreeVector& x0,
const G4ThreeVector& d,
G4ThreeVector& xx);
inline G4bool IsAxis0 (G4int areacode) const;
inline G4bool IsAxis1 (G4int areacode) const;
inline G4bool IsOutside (G4int areacode) const;
inline G4bool IsInside (G4int areacode, G4bool testbitmode = false) const;
inline G4bool IsBoundary (G4int areacode, G4bool testbitmode = false) const;
inline G4bool IsCorner (G4int areacode, G4bool testbitmode = false) const;
inline G4bool IsValidNorm() const { return fIsValidNorm; }
G4bool IsSameBoundary (G4VTwistSurface* surface1, G4int areacode1,
G4VTwistSurface* surface2, G4int areacode2 ) const;
inline G4int GetAxisType(G4int areacode, G4int whichaxis) const;
/**
* Test functions/accessors, based on 'areacode' location.
*/
inline G4bool IsAxis0 (G4int areacode) const;
inline G4bool IsAxis1 (G4int areacode) const;
inline G4bool IsOutside (G4int areacode) const;
inline G4bool IsInside (G4int areacode, G4bool testbitmode = false) const;
inline G4bool IsBoundary (G4int areacode, G4bool testbitmode = false) const;
inline G4bool IsCorner (G4int areacode, G4bool testbitmode = false) const;
inline G4bool IsValidNorm() const { return fIsValidNorm; }
G4bool IsSameBoundary (G4VTwistSurface* surface1, G4int areacode1,
G4VTwistSurface* surface2, G4int areacode2 ) const;
inline G4int GetAxisType(G4int areacode, G4int whichaxis) const;
inline G4ThreeVector ComputeGlobalPoint (const G4ThreeVector& lp) const;
inline G4ThreeVector ComputeLocalPoint (const G4ThreeVector& gp) const;
inline G4ThreeVector ComputeGlobalDirection (const G4ThreeVector& lp) const;
inline G4ThreeVector ComputeLocalDirection (const G4ThreeVector& gp) const;
/**
* Utility functions computing global/local point/direction.
*/
inline G4ThreeVector ComputeGlobalPoint (const G4ThreeVector& lp) const;
inline G4ThreeVector ComputeLocalPoint (const G4ThreeVector& gp) const;
inline G4ThreeVector ComputeGlobalDirection (const G4ThreeVector& lp) const;
inline G4ThreeVector ComputeLocalDirection (const G4ThreeVector& gp) const;
// set methods
/**
* Modifiers for axes.
*/
inline void SetAxis(G4int i, const EAxis axis) { fAxis[i] = axis; }
inline void SetNeighbours(G4VTwistSurface* ax0min, G4VTwistSurface* ax1min,
G4VTwistSurface* ax0max, G4VTwistSurface* ax1max);
inline void SetAxis(G4int i, const EAxis axis) { fAxis[i] = axis; }
inline void SetNeighbours(G4VTwistSurface* ax0min, G4VTwistSurface* ax1min,
G4VTwistSurface* ax0max, G4VTwistSurface* ax1max);
/**
* Returns point on surface given the axes.
*/
virtual G4ThreeVector SurfacePoint(G4double, G4double,
G4bool isGlobal = false ) = 0 ;
virtual G4ThreeVector SurfacePoint(G4double, G4double,
G4bool isGlobal = false ) = 0 ;
virtual G4double GetBoundaryMin(G4double) = 0 ;
virtual G4double GetBoundaryMax(G4double) = 0 ;
virtual G4double GetSurfaceArea() = 0 ;
virtual void GetFacets(G4int m, G4int n, G4double xyz[][3],
G4int faces[][4], G4int iside) = 0 ;
G4int GetNode( G4int i, G4int j, G4int m, G4int n, G4int iside ) ;
G4int GetFace( G4int i, G4int j, G4int m, G4int n, G4int iside ) ;
G4int GetEdgeVisibility( G4int i, G4int j, G4int m, G4int n,
G4int number, G4int orientation) ;
/**
* Internal accessors to be implemented in concrete derived classes.
*/
virtual G4double GetBoundaryMin(G4double) = 0 ;
virtual G4double GetBoundaryMax(G4double) = 0 ;
virtual G4double GetSurfaceArea() = 0 ;
virtual void GetFacets(G4int m, G4int n, G4double xyz[][3],
G4int faces[][4], G4int iside) = 0 ;
G4VTwistSurface(__void__&);
// Fake default constructor for usage restricted to direct object
// persistency for clients requiring preallocation of memory for
// persistifiable objects.
/**
* Node/face mapping functions.
*/
G4int GetNode( G4int i, G4int j, G4int m, G4int n, G4int iside ) ;
G4int GetFace( G4int i, G4int j, G4int m, G4int n, G4int iside ) ;
protected:
/**
* Checks face visibility, based on verteces and orientation.
* @returns -1 if invisible; 1 if visible.
*/
G4int GetEdgeVisibility( G4int i, G4int j, G4int m, G4int n,
G4int number, G4int orientation) ;
/**
* Returns the surface name.
*/
inline const G4String& GetName() const { return fName; }
/**
* Prints on standard output surface data.
*/
void DebugPrint() const;
/**
* Fake default constructor for usage restricted to direct object
* persistency for clients requiring preallocation of memory for
* persistifiable objects.
*/
G4VTwistSurface(__void__&);
protected:
inline G4VTwistSurface** GetNeighbours() { return fNeighbours; }
inline G4int GetNeighbours(G4int areacode, G4VTwistSurface* surfaces[]);
inline G4ThreeVector GetCorner(G4int areacode) const;
void GetBoundaryAxis(G4int areacode, EAxis axis[]) const;
void GetBoundaryLimit(G4int areacode, G4double limit[]) const;
virtual G4int GetAreaCode(const G4ThreeVector& xx, G4bool withtol=true) = 0;
/**
* Internal accessors.
*/
inline G4VTwistSurface** GetNeighbours() { return fNeighbours; }
inline G4int GetNeighbours(G4int areacode, G4VTwistSurface* surfaces[]);
inline G4ThreeVector GetCorner(G4int areacode) const;
void GetBoundaryAxis(G4int areacode, EAxis axis[]) const;
void GetBoundaryLimit(G4int areacode, G4double limit[]) const;
virtual G4int GetAreaCode(const G4ThreeVector& xx, G4bool withtol=true) = 0;
virtual void SetBoundary(const G4int& axiscode,
const G4ThreeVector& direction,
const G4ThreeVector& x0,
const G4int& boundarytype);
// areacode must be one of them:
// sAxis0 & sAxisMin, sAxis0 & sAxisMax,
// sAxis1 & sAxisMin, sAxis1 & sAxisMax.
// boundarytype represents the shape of locus
// from the start point to end point of boundary.
// ex.
// sAxisRho = linear line which start point is fixed at origin.
// sAxisPhi = part of circle which center placed at the origin.
void SetCorner(G4int areacode, G4double x, G4double y, G4double z);
/**
* Modifier for boundaries.
* @param[in] axiscode The location code, either: sAxis0 & sAxisMin,
* sAxis0 & sAxisMax, sAxis1 & sAxisMin, sAxis1 & sAxisMax.
* @param[in] direction Direction.
* @param[in] x0 Point on boundary.
* @param[in] boundarytype The shape of locus from the start point to
* end point of boundary (ex. sAxisRho = linear line which
* start point is fixed at origin; sAxisPhi = part of circle
* which center placed at the origin.
*/
virtual void SetBoundary(const G4int& axiscode,
const G4ThreeVector& direction,
const G4ThreeVector& x0,
const G4int& boundarytype);
private:
/**
* Modifier for corners.
*/
void SetCorner(G4int areacode, G4double x, G4double y, G4double z);
virtual void SetBoundaries() = 0;
virtual void SetCorners() = 0;
private:
/**
* Internal setters to be implemented in concrete dereived classes.
*/
virtual void SetBoundaries() = 0;
virtual void SetCorners() = 0;
// data members ---------------------------------------------------------
// data members ---------------------------------------------------------
public:
public:
static const G4int sOutside ;
static const G4int sInside ;
static const G4int sBoundary;
static const G4int sCorner;
static const G4int sC0Min1Min;
static const G4int sC0Max1Min;
static const G4int sC0Max1Max;
static const G4int sC0Min1Max;
static const G4int sAxisMin;
static const G4int sAxisMax;
static const G4int sAxisX;
static const G4int sAxisY;
static const G4int sAxisZ;
static const G4int sAxisRho;
static const G4int sAxisPhi;
static const G4int sAxis0;
static const G4int sAxis1;
static const G4int sSizeMask;
static const G4int sAxisMask;
static const G4int sAreaMask;
/** Boundary types. */
static const G4int sOutside ;
static const G4int sInside ;
static const G4int sBoundary;
static const G4int sCorner;
static const G4int sC0Min1Min;
static const G4int sC0Max1Min;
static const G4int sC0Max1Max;
static const G4int sC0Min1Max;
static const G4int sAxisMin;
static const G4int sAxisMax;
static const G4int sAxisX;
static const G4int sAxisY;
static const G4int sAxisZ;
static const G4int sAxisRho;
static const G4int sAxisPhi;
static const G4int sAxis0;
static const G4int sAxis1;
static const G4int sSizeMask;
static const G4int sAxisMask;
static const G4int sAreaMask;
protected:
protected:
class CurrentStatus
{
public:
class CurrentStatus
{
/**
* @brief Internal class defining the surface status.
*/
public:
CurrentStatus();
virtual ~CurrentStatus();
CurrentStatus();
virtual ~CurrentStatus();
inline G4ThreeVector GetXX(G4int i) const { return fXX[i]; }
inline G4double GetDistance(G4int i) const { return fDistance[i]; }
inline G4int GetAreacode(G4int i) const { return fAreacode[i]; }
inline G4int GetNXX() const { return fNXX; }
inline G4bool IsDone() const { return fDone; }
inline G4bool IsValid(G4int i) const { return fIsValid[i]; }
inline G4ThreeVector GetXX(G4int i) const { return fXX[i]; }
inline G4double GetDistance(G4int i) const { return fDistance[i]; }
inline G4int GetAreacode(G4int i) const { return fAreacode[i]; }
inline G4int GetNXX() const { return fNXX; }
inline G4bool IsDone() const { return fDone; }
inline G4bool IsValid(G4int i) const { return fIsValid[i]; }
void SetCurrentStatus(G4int i,
G4ThreeVector& xx,
G4double& dist,
G4int& areacode,
G4bool& isvalid,
G4int nxx,
EValidate validate,
const G4ThreeVector* p,
const G4ThreeVector* v = nullptr);
void SetCurrentStatus(G4int i,
G4ThreeVector& xx,
G4double& dist,
G4int& areacode,
G4bool& isvalid,
G4int nxx,
EValidate validate,
const G4ThreeVector* p,
const G4ThreeVector* v = nullptr);
void ResetfDone(EValidate validate,
const G4ThreeVector* p,
const G4ThreeVector* v = nullptr);
void ResetfDone(EValidate validate,
const G4ThreeVector* p,
const G4ThreeVector* v = nullptr);
void DebugPrint() const;
void DebugPrint() const;
private:
private:
G4double fDistance[G4VSURFACENXX];
G4ThreeVector fXX[G4VSURFACENXX];
G4int fAreacode[G4VSURFACENXX];
G4bool fIsValid[G4VSURFACENXX];
G4int fNXX;
G4ThreeVector fLastp;
G4ThreeVector fLastv;
EValidate fLastValidate;
G4bool fDone;
};
G4double fDistance[G4VSURFACENXX];
G4ThreeVector fXX[G4VSURFACENXX];
G4int fAreacode[G4VSURFACENXX];
G4bool fIsValid[G4VSURFACENXX];
G4int fNXX;
G4ThreeVector fLastp;
G4ThreeVector fLastv;
EValidate fLastValidate;
G4bool fDone;
};
class Boundary
{
public:
class Boundary
{
/**
* @brief Internal class defining a surface boundary type.
*/
public:
Boundary() = default;
virtual ~Boundary() = default;
Boundary() = default;
virtual ~Boundary() = default;
void SetFields(const G4int& areacode,
const G4ThreeVector& d,
const G4ThreeVector& x0,
const G4int& boundarytype);
void SetFields(const G4int& areacode,
const G4ThreeVector& d,
const G4ThreeVector& x0,
const G4int& boundarytype);
G4bool IsEmpty() const;
G4bool IsEmpty() const;
G4bool GetBoundaryParameters(const G4int& areacode,
G4ThreeVector& d,
G4ThreeVector& x0,
G4int& boundarytype) const;
G4bool GetBoundaryParameters(const G4int& areacode,
G4ThreeVector& d,
G4ThreeVector& x0,
G4int& boundarytype) const;
private:
private:
G4int fBoundaryAcode{-1};
G4ThreeVector fBoundaryDirection;
G4ThreeVector fBoundaryX0;
G4int fBoundaryType{0};
};
G4int fBoundaryAcode{-1};
G4ThreeVector fBoundaryDirection;
G4ThreeVector fBoundaryX0;
G4int fBoundaryType{0};
};
EAxis fAxis[2];
G4double fAxisMin[2];
G4double fAxisMax[2];
CurrentStatus fCurStatWithV;
CurrentStatus fCurStat;
G4RotationMatrix fRot;
G4ThreeVector fTrans;
G4int fHandedness;
class G4SurfCurNormal
{
public:
EAxis fAxis[2];
G4double fAxisMin[2];
G4double fAxisMax[2];
CurrentStatus fCurStatWithV;
CurrentStatus fCurStat;
G4RotationMatrix fRot;
G4ThreeVector fTrans;
G4int fHandedness;
G4ThreeVector p;
G4ThreeVector normal;
};
G4SurfCurNormal fCurrentNormal;
G4bool fIsValidNorm;
G4double kCarTolerance;
private:
class G4SurfCurNormal
{
public:
G4ThreeVector p;
G4ThreeVector normal;
};
G4SurfCurNormal fCurrentNormal;
G4bool fIsValidNorm;
G4double kCarTolerance;
private:
G4VTwistSurface* fNeighbours[4]; // {0,1,2,3} = sAxis0min, sAxis1min,
// sAxis0max, sAxis1max
G4ThreeVector fCorners[4]; // corners of the surface in local coordinate
Boundary fBoundaries[4]; // boundaries of the surface.
G4String fName;
G4VTwistSurface* fNeighbours[4]; // {0,1,2,3} = sAxis0min, sAxis1min,
// sAxis0max, sAxis1max
G4ThreeVector fCorners[4]; // corners of the surface in local coordinate
Boundary fBoundaries[4]; // boundaries of the surface.
G4String fName;
class G4SurfSideQuery
{
public:
class G4SurfSideQuery
{
public:
G4ThreeVector me;
G4ThreeVector vec;
G4bool withTol;
G4int amIOnLeftSide;
};
G4SurfSideQuery fAmIOnLeftSide;
G4ThreeVector me;
G4ThreeVector vec;
G4bool withTol;
G4int amIOnLeftSide;
};
G4SurfSideQuery fAmIOnLeftSide;
};
//========================================================
// inline functions
//========================================================
struct Intersection
{
G4double phi ; // parameter phi
G4double u ; // parameter u
G4ThreeVector xx ; // intersection point in cartesian
G4double distance ; // distance to intersection
G4int areacode ; // the areacode of the intersection
G4bool isvalid ; // valid intersection ??
};
inline
G4bool DistanceSort( const Intersection& a, const Intersection& b)
{
return a.distance < b.distance ;
}
inline
G4bool EqualIntersection( const Intersection& a, const Intersection& b)
{
return ( ( a.xx - b.xx ).mag() < 1E-9*CLHEP::mm ) ;
}
#include "G4VTwistSurface.icc"
#endif