Gabriele Cosmo
153 lines
6.3 KiB
C++
153 lines
6.3 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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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. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: G4HyperbolicSurface.hh,v 1.4 2004/05/24 12:09:47 gcosmo Exp $
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// GEANT4 tag $Name: geant4-06-02 $
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//
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//
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// --------------------------------------------------------------------
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// GEANT 4 class header file
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//
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//
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// G4HyperbolicSurface
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//
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// Class description:
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//
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// Class describing a hyperbolic boundary surface for G4VSolid.
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// Author:
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// 01-Aug-2002 - Kotoyo Hoshina (hoshina@hepburn.s.chiba-u.ac.jp)
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//
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// History:
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// 13-Nov-2003 - O.Link (Oliver.Link@cern.ch), Integration in Geant4
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// from original version in Jupiter-2.5.02 application.
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// --------------------------------------------------------------------
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#ifndef __G4HYPERBOLICSURFACE__
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#define __G4HYPERBOLICSURFACE__
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#include "G4VSurface.hh"
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class G4HyperbolicSurface : public G4VSurface
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{
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public: // with description
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G4HyperbolicSurface(const G4String &name,
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const G4RotationMatrix &rot, // 0.5*(phi-width segment)
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const G4ThreeVector &tlate,
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const G4int handedness,// R-hand = 1, L-hand = -1
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const G4double kappa, // tan(TwistAngle/2)/fZHalfLen
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const G4double tanstereo, // tan(stereo angle)
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const G4double r0, // radius at z = 0
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const EAxis axis0 = kPhi,
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const EAxis axis1 = kZAxis,
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G4double axis0min = -kInfinity,
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G4double axis1min = -kInfinity,
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G4double axis0max = kInfinity,
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G4double axis1max = kInfinity);
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G4HyperbolicSurface(const G4String &name,
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G4double EndInnerRadius[2],
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G4double EndOuterRadius[2],
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G4double DPhi,
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G4double EndPhi[2],
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G4double EndZ[2],
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G4double InnerRadius,
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G4double OuterRadius,
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G4double Kappa,
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G4double TanInnerStereo,
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G4double TanOuterStereo,
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G4int handedness) ;
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virtual ~G4HyperbolicSurface();
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virtual G4int DistanceToSurface(const G4ThreeVector &gp,
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const G4ThreeVector &gv,
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G4ThreeVector gxx[],
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G4double distance[],
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G4int areacode[],
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G4bool isvalid[],
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EValidate validate = kValidateWithTol);
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virtual G4int DistanceToSurface(const G4ThreeVector &gp,
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G4ThreeVector gxx[],
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G4double distance[],
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G4int areacode[]);
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virtual G4ThreeVector GetNormal(const G4ThreeVector &xx,
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G4bool isGlobal = false) ;
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virtual EInside Inside(const G4ThreeVector &gp) ;
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inline virtual G4double GetRhoAtPZ(const G4ThreeVector &p,
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G4bool isglobal = false) const ;
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private:
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virtual G4int GetAreaCode(const G4ThreeVector &xx,
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G4bool withTol = true);
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virtual G4int GetAreaCodeInPhi(const G4ThreeVector &xx,
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G4bool withTol = true);
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virtual void SetCorners();
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virtual void SetCorners(G4double EndInnerRadius[2],
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G4double EndOuterRadius[2],
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G4double DPhi,
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G4double EndPhi[2],
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G4double EndZ[2]);
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virtual void SetBoundaries();
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private:
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G4double fKappa; // tan(TwistedAngle/2)/HalfLenZ;
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G4double fTanStereo; // tan(StereoAngle)
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G4double fTan2Stereo; // tan(StereoAngle)**2
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G4double fR0; // radius at z = 0
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G4double fR02; // radius**2 at z = 0
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class Insidetype
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{
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public:
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G4ThreeVector gp;
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EInside inside;
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};
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Insidetype fInside;
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};
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//========================================================
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// inline functions
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//========================================================
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inline
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G4double G4HyperbolicSurface::GetRhoAtPZ(const G4ThreeVector &p,
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G4bool isglobal) const
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{
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// Get Rho at p.z() on Hyperbolic Surface.
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G4ThreeVector tmpp;
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if (isglobal) {
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tmpp = fRot.inverse()*p - fTrans;
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} else {
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tmpp = p;
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}
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return sqrt(fR02 + tmpp.z() * tmpp.z() * fTan2Stereo);
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}
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#endif
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