// // ******************************************************************** // * 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: geant4-09-04-beta-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