Gabriele Cosmo
168 lines
7.2 KiB
C++
168 lines
7.2 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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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. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// G4TwistedTrap
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//
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// Class description:
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//
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// A G4TwistedTrap is a general twisted trapezoid: The faces perpendicular to the
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// z planes are trapezia, and their centres are not necessarily on
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// a line parallel to the z axis.
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//
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// pDz Half-length along the z-axis
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// pTheta Polar angle of the line joining the centres of the faces
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// at -/+pDz
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// pPhi Azimuthal angle of the line joining the centre of the face at
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// -pDz to the centre of the face at +pDz
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// pDy1 Half-length along y of the face at -pDz
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// pDx1 Half-length along x of the side at y=-pDy1 of the face at -pDz
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// pDx2 Half-length along x of the side at y=+pDy1 of the face at -pDz
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//
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// pDy2 Half-length along y of the face at +pDz
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// pDx3 Half-length along x of the side at y=-pDy2 of the face at +pDz
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// pDx4 Half-length along x of the side at y=+pDy2 of the face at +pDz
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// pAlph Angle with respect to the y axis from the centre of the side
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//
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//
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// A special regular case of a trapezoid with equal endcaps is available,
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// with polar,azimuthal and tilt angles set to zero.
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//
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// Author: Oliver Link (CERN), 27.10.2004 - Created
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// --------------------------------------------------------------------
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#ifndef G4TWISTEDTRAP_HH
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#define G4TWISTEDTRAP_HH
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#include "G4VTwistedFaceted.hh"
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/**
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* @brief G4TwistedTrap is a general twisted trapezoid. The faces perpendicular
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* to the Z planes are trapezia, and their centres are not necessarily on
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* a line parallel to the Z axis.
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*/
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class G4TwistedTrap : public G4VTwistedFaceted
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{
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public:
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/**
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* Constructs a twisted trapezoid, given its parameters.
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* @param[in] pName The solid name.
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* @param[in] pPhiTwist The twist angle.
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* @param[in] pDx1 Half X length at -pDz,-pDy.
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* @param[in] pDx2 Half X length at -pDz,+pDy.
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* @param[in] pDy Half-length along the Y axis.
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* @param[in] pDz Half-length along the Z axis.
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*/
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G4TwistedTrap(const G4String& pName,
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G4double pPhiTwist,
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G4double pDx1, // half x length at -pDz,-pDy
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G4double pDx2, // half x length at -pDz,+pDy
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G4double pDy,
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G4double pDz);
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/**
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* Alternative construct of a twisted trapezoid, given its parameters.
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* @param[in] pName The solid name.
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* @param[in] pPhiTwist The twist angle.
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* @param[in] pDz Half-length along the Z axis.
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* @param[in] pTheta Polar angle of the line joining the centres of the
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* faces at -/+pDz.
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* @param[in] pPhi Azimuthal angle of the line joining the centres of the
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* faces at -/+pDz.
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* @param[in] pDy1 Half Y length at -pDz.
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* @param[in] pDx1 Half X length at -pDz, y=-pDy1.
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* @param[in] pDx2 Half X length at -pDz, y=+pDy1.
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* @param[in] pDy2 Half Y length at +pDz.
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* @param[in] pDx3 Half X length at +pDz, y=-pDy2.
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* @param[in] pDx4 Half X length at +pDz, y=+pDy2.
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* @param[in] pAlph Angle with respect to the Y axis from centre of side.
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*/
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G4TwistedTrap(const G4String& pName, // Name of instance
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G4double pPhiTwist, // twist angle
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G4double pDz, // half z length
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G4double pTheta, // direction between end planes
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G4double pPhi, // defined by polar and azim. angles
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G4double pDy1, // half y length at -pDz
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G4double pDx1, // half x length at -pDz,-pDy
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G4double pDx2, // half x length at -pDz,+pDy
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G4double pDy2, // half y length at +pDz
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G4double pDx3, // half x length at +pDz,-pDy
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G4double pDx4, // half x length at +pDz,+pDy
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G4double pAlph // tilt angle
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);
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/**
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* Default destructor.
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*/
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~G4TwistedTrap() override = default;
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/**
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* Accessors.
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*/
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inline G4double GetY1HalfLength() const { return GetDy1() ; }
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inline G4double GetX1HalfLength() const { return GetDx1() ; }
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inline G4double GetX2HalfLength() const { return GetDx2() ; }
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inline G4double GetY2HalfLength() const { return GetDy2() ; }
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inline G4double GetX3HalfLength() const { return GetDx3() ; }
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inline G4double GetX4HalfLength() const { return GetDx4() ; }
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inline G4double GetZHalfLength() const { return GetDz() ; }
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inline G4double GetPhiTwist() const { return GetTwistAngle() ; }
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inline G4double GetTiltAngleAlpha() const { return GetAlpha() ; }
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inline G4double GetPolarAngleTheta() const { return GetTheta() ; }
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inline G4double GetAzimuthalAnglePhi() const { return GetPhi() ; }
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/**
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* Returns the type ID, "G4TwistedTrap" of the solid.
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*/
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G4GeometryType GetEntityType() const override;
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/**
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* Makes a clone of the object for use in multi-treading.
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* @returns A pointer to the new cloned allocated solid.
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*/
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G4VSolid* Clone() const override;
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/**
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* Streams the object contents to an output stream.
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*/
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std::ostream &StreamInfo(std::ostream& os) const override;
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/**
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* Fake default constructor for usage restricted to direct object
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* persistency for clients requiring preallocation of memory for
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* persistifiable objects.
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*/
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G4TwistedTrap(__void__&);
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/**
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* Copy constructor and assignment operator.
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*/
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G4TwistedTrap(const G4TwistedTrap& rhs);
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G4TwistedTrap& operator=(const G4TwistedTrap& rhs);
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} ;
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#endif
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