320 lines
10 KiB
C++
320 lines
10 KiB
C++
//
|
|
// ********************************************************************
|
|
// * License and Disclaimer *
|
|
// * *
|
|
// * The Geant4 software is copyright of the Copyright Holders of *
|
|
// * the Geant4 Collaboration. It is provided under the terms and *
|
|
// * conditions of the Geant4 Software License, included in the file *
|
|
// * LICENSE and available at http://cern.ch/geant4/license . These *
|
|
// * include a list of copyright holders. *
|
|
// * *
|
|
// * Neither the authors of this software system, nor their employing *
|
|
// * institutes,nor the agencies providing financial support for this *
|
|
// * work make any representation or warranty, express or implied, *
|
|
// * regarding this software system or assume any liability for its *
|
|
// * use. Please see the license in the file LICENSE and URL above *
|
|
// * for the full disclaimer and the limitation of liability. *
|
|
// * *
|
|
// * This code implementation is the result of the scientific and *
|
|
// * technical work of the GEANT4 collaboration. *
|
|
// * By using, copying, modifying or distributing the software (or *
|
|
// * any work based on the software) you agree to acknowledge its *
|
|
// * use in resulting scientific publications, and indicate your *
|
|
// * acceptance of all terms of the Geant4 Software license. *
|
|
// ********************************************************************
|
|
//
|
|
//
|
|
// $Id: G4VTwistedFaceted.hh,v 1.10 2006/10/20 13:45:20 gcosmo Exp $
|
|
// GEANT4 tag $Name: geant4-09-01 $
|
|
//
|
|
// --------------------------------------------------------------------
|
|
// GEANT 4 class header file
|
|
//
|
|
//
|
|
// G4VTwistedFaceted
|
|
//
|
|
// Class description:
|
|
//
|
|
// G4VTwistedFaceted is an abstract base class for twisted boxoids:
|
|
// G4TwistedTrd, G4TwistedTrap and G4TwistedBox
|
|
|
|
// Author:
|
|
//
|
|
// 27-Oct-2004 - O.Link (Oliver.Link@cern.ch)
|
|
//
|
|
// --------------------------------------------------------------------
|
|
|
|
#ifndef __G4VTWISTEDFACETED__
|
|
#define __G4VTWISTEDFACETED__
|
|
|
|
#include "G4VSolid.hh"
|
|
#include "G4TwistTrapAlphaSide.hh"
|
|
#include "G4TwistTrapParallelSide.hh"
|
|
#include "G4TwistBoxSide.hh"
|
|
#include "G4TwistTrapFlatSide.hh"
|
|
|
|
class G4SolidExtentList;
|
|
class G4ClippablePolygon;
|
|
|
|
class G4VTwistedFaceted: public G4VSolid
|
|
{
|
|
public: // with description
|
|
|
|
G4VTwistedFaceted(const G4String &pname, // Name of instance
|
|
G4double PhiTwist, // twist angle
|
|
G4double pDz, // half z lenght
|
|
G4double pTheta, // direction between end planes
|
|
G4double pPhi, // defined by polar & azim. angles
|
|
G4double pDy1, // half y length at -pDz
|
|
G4double pDx1, // half x length at -pDz,-pDy
|
|
G4double pDx2, // half x length at -pDz,+pDy
|
|
G4double pDy2, // half y length at +pDz
|
|
G4double pDx3, // half x length at +pDz,-pDy
|
|
G4double pDx4, // half x length at +pDz,+pDy
|
|
G4double pAlph // tilt angle at +pDz
|
|
);
|
|
|
|
virtual ~G4VTwistedFaceted();
|
|
|
|
virtual void ComputeDimensions(G4VPVParameterisation*,
|
|
const G4int,
|
|
const G4VPhysicalVolume* );
|
|
|
|
virtual G4bool CalculateExtent(const EAxis pAxis,
|
|
const G4VoxelLimits &pVoxelLimit,
|
|
const G4AffineTransform &pTransform,
|
|
G4double &pMin,
|
|
G4double &pMax ) const;
|
|
|
|
virtual G4double DistanceToIn (const G4ThreeVector &p,
|
|
const G4ThreeVector &v ) const;
|
|
|
|
virtual G4double DistanceToIn (const G4ThreeVector &p ) const;
|
|
|
|
virtual G4double DistanceToOut(const G4ThreeVector &p,
|
|
const G4ThreeVector &v,
|
|
const G4bool calcnorm = false,
|
|
G4bool *validnorm = 0,
|
|
G4ThreeVector *n=0 ) const;
|
|
|
|
virtual G4double DistanceToOut(const G4ThreeVector &p) const;
|
|
|
|
virtual EInside Inside (const G4ThreeVector &p) const;
|
|
|
|
virtual G4ThreeVector SurfaceNormal(const G4ThreeVector &p) const;
|
|
|
|
G4ThreeVector GetPointOnSurface() const;
|
|
G4ThreeVector GetPointInSolid(G4double z) const;
|
|
|
|
virtual inline G4double GetCubicVolume() ;
|
|
virtual inline G4double GetSurfaceArea() ;
|
|
|
|
virtual void DescribeYourselfTo (G4VGraphicsScene &scene) const;
|
|
virtual G4Polyhedron *CreatePolyhedron () const ;
|
|
virtual G4NURBS *CreateNURBS () const;
|
|
virtual G4Polyhedron *GetPolyhedron () const;
|
|
|
|
virtual std::ostream &StreamInfo(std::ostream& os) const;
|
|
|
|
// accessors
|
|
|
|
inline G4double GetTwistAngle () const { return fPhiTwist; }
|
|
|
|
inline G4double GetDx1 () const { return fDx1 ; }
|
|
inline G4double GetDx2 () const { return fDx2 ; }
|
|
inline G4double GetDx3 () const { return fDx3 ; }
|
|
inline G4double GetDx4 () const { return fDx4 ; }
|
|
inline G4double GetDy1 () const { return fDy1 ; }
|
|
inline G4double GetDy2 () const { return fDy2 ; }
|
|
inline G4double GetDz () const { return fDz ; }
|
|
inline G4double GetPhi () const { return fPhi ; }
|
|
inline G4double GetTheta () const { return fTheta ; }
|
|
inline G4double GetAlpha () const { return fAlph ; }
|
|
|
|
inline G4double Xcoef(G4double u,G4double phi, G4double ftg) const ;
|
|
// For calculating the w(u) function
|
|
|
|
inline G4double GetValueA(G4double phi) const;
|
|
inline G4double GetValueB(G4double phi) const;
|
|
inline G4double GetValueD(G4double phi) const;
|
|
|
|
virtual G4VisExtent GetExtent () const;
|
|
virtual G4GeometryType GetEntityType() const;
|
|
|
|
public: // without description
|
|
|
|
G4VTwistedFaceted(__void__&);
|
|
// Fake default constructor for usage restricted to direct object
|
|
// persistency for clients requiring preallocation of memory for
|
|
// persistifiable objects.
|
|
|
|
protected: // with description
|
|
|
|
G4ThreeVectorList*
|
|
CreateRotatedVertices(const G4AffineTransform& pTransform) const;
|
|
// Create the List of transformed vertices in the format required
|
|
// for G4VSolid:: ClipCrossSection and ClipBetweenSections.
|
|
|
|
private:
|
|
|
|
void CreateSurfaces();
|
|
|
|
private:
|
|
|
|
G4double fTheta;
|
|
G4double fPhi ;
|
|
|
|
G4double fDy1;
|
|
G4double fDx1;
|
|
G4double fDx2;
|
|
|
|
G4double fDy2;
|
|
G4double fDx3;
|
|
G4double fDx4;
|
|
|
|
G4double fDz; // Half-length along the z axis
|
|
|
|
G4double fDx ; // maximum side in x
|
|
G4double fDy ; // maximum side in y
|
|
|
|
G4double fAlph ;
|
|
G4double fTAlph ; // std::tan(fAlph)
|
|
|
|
G4double fdeltaX ;
|
|
G4double fdeltaY ;
|
|
|
|
G4double fPhiTwist; // twist angle ( dphi in surface equation)
|
|
|
|
G4double fAngleSide;
|
|
|
|
G4VTwistSurface *fLowerEndcap ; // surface of -ve z
|
|
G4VTwistSurface *fUpperEndcap ; // surface of +ve z
|
|
|
|
G4VTwistSurface *fSide0 ; // Twisted Side at phi = 0 deg
|
|
G4VTwistSurface *fSide90 ; // Twisted Side at phi = 90 deg
|
|
G4VTwistSurface *fSide180 ; // Twisted Side at phi = 180 deg
|
|
G4VTwistSurface *fSide270 ; // Twisted Side at phi = 270 deg
|
|
|
|
G4double fCubicVolume ; // volume of the solid
|
|
G4double fSurfaceArea ; // area of the solid
|
|
|
|
mutable G4Polyhedron* fpPolyhedron; // pointer to polyhedron for vis
|
|
|
|
class LastState // last Inside result
|
|
{
|
|
public:
|
|
LastState()
|
|
{
|
|
p.set(kInfinity,kInfinity,kInfinity);
|
|
inside = kOutside;
|
|
}
|
|
~LastState(){}
|
|
public:
|
|
G4ThreeVector p;
|
|
EInside inside;
|
|
};
|
|
|
|
class LastVector // last SurfaceNormal result
|
|
{
|
|
public:
|
|
LastVector()
|
|
{
|
|
p.set(kInfinity,kInfinity,kInfinity);
|
|
vec.set(kInfinity,kInfinity,kInfinity);
|
|
surface = new G4VTwistSurface*[1];
|
|
}
|
|
~LastVector()
|
|
{
|
|
delete [] surface;
|
|
}
|
|
public:
|
|
G4ThreeVector p;
|
|
G4ThreeVector vec;
|
|
G4VTwistSurface **surface;
|
|
};
|
|
|
|
class LastValue // last G4double value
|
|
{
|
|
public:
|
|
LastValue()
|
|
{
|
|
p.set(kInfinity,kInfinity,kInfinity);
|
|
value = DBL_MAX;
|
|
}
|
|
~LastValue(){}
|
|
public:
|
|
G4ThreeVector p;
|
|
G4double value;
|
|
};
|
|
|
|
class LastValueWithDoubleVector // last G4double value
|
|
{
|
|
public:
|
|
LastValueWithDoubleVector()
|
|
{
|
|
p.set(kInfinity,kInfinity,kInfinity);
|
|
vec.set(kInfinity,kInfinity,kInfinity);
|
|
value = DBL_MAX;
|
|
}
|
|
~LastValueWithDoubleVector(){}
|
|
public:
|
|
G4ThreeVector p;
|
|
G4ThreeVector vec;
|
|
G4double value;
|
|
};
|
|
|
|
LastState fLastInside;
|
|
LastVector fLastNormal;
|
|
LastValue fLastDistanceToIn;
|
|
LastValue fLastDistanceToOut;
|
|
LastValueWithDoubleVector fLastDistanceToInWithV;
|
|
LastValueWithDoubleVector fLastDistanceToOutWithV;
|
|
|
|
};
|
|
|
|
//=====================================================================
|
|
|
|
inline
|
|
G4double G4VTwistedFaceted::GetCubicVolume()
|
|
{
|
|
if(fCubicVolume != 0.) ;
|
|
else fCubicVolume = 2 * fDz
|
|
* ( ( fDx1 + fDx2 ) * fDy1 + ( fDx3 + fDx4 ) * fDy2 );
|
|
return fCubicVolume;
|
|
}
|
|
|
|
inline
|
|
G4double G4VTwistedFaceted::GetSurfaceArea()
|
|
{
|
|
if(fSurfaceArea != 0.) ;
|
|
else fSurfaceArea = G4VSolid::GetSurfaceArea();
|
|
return fSurfaceArea;
|
|
}
|
|
|
|
inline
|
|
G4double G4VTwistedFaceted::GetValueA(G4double phi) const
|
|
{
|
|
return ( fDx4 + fDx2 + ( fDx4 - fDx2 ) * ( 2 * phi ) / fPhiTwist ) ;
|
|
}
|
|
|
|
inline
|
|
G4double G4VTwistedFaceted::GetValueD(G4double phi) const
|
|
{
|
|
return ( fDx3 + fDx1 + ( fDx3 - fDx1 ) * ( 2 * phi ) / fPhiTwist ) ;
|
|
}
|
|
|
|
inline
|
|
G4double G4VTwistedFaceted::GetValueB(G4double phi) const
|
|
{
|
|
return ( fDy2 + fDy1 + ( fDy2 - fDy1 ) * ( 2 * phi ) / fPhiTwist ) ;
|
|
}
|
|
|
|
inline
|
|
G4double G4VTwistedFaceted::Xcoef(G4double u, G4double phi, G4double ftg) const
|
|
{
|
|
return GetValueA(phi)/2. + (GetValueD(phi)-GetValueA(phi))/4.
|
|
- u*( ( GetValueD(phi)-GetValueA(phi) ) / ( 2 * GetValueB(phi) ) - ftg );
|
|
}
|
|
|
|
#endif
|