geant4/source/geometry/solids/CSG/include/G4CutTubs.icc

//
// ********************************************************************
// * 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.          *
// ********************************************************************
//
// Implementation of inline methods of G4CutTubs
// --------------------------------------------------------------------

inline
G4double G4CutTubs::GetInnerRadius () const
{
  return fRMin;
}

inline
G4double G4CutTubs::GetOuterRadius () const
{
  return fRMax;
}

inline
G4double G4CutTubs::GetZHalfLength () const
{
  return fDz;
}

inline
G4double G4CutTubs::GetStartPhiAngle () const
{
  return fSPhi;
}

inline
G4double G4CutTubs::GetDeltaPhiAngle () const
{
  return fDPhi;
}

inline
G4double G4CutTubs::GetSinStartPhi () const
{
  return sinSPhi;
}

inline
G4double G4CutTubs::GetCosStartPhi () const
{
  return cosSPhi;
}

inline
G4double G4CutTubs::GetSinEndPhi () const
{
  return sinEPhi;
}

inline
G4double G4CutTubs::GetCosEndPhi () const
{
  return cosEPhi;
}

inline
G4ThreeVector G4CutTubs::GetLowNorm () const
{
  return fLowNorm;
}

inline
G4ThreeVector G4CutTubs::GetHighNorm () const
{
  return fHighNorm;
}

inline
void G4CutTubs::Initialize()
{
  fZMin = 0.;
  fZMax = 0.;
  fCubicVolume = 0.;
  fSurfaceArea = 0.;
  fRebuildPolyhedron = true;
}

inline
void G4CutTubs::InitializeTrigonometry()
{
  G4double hDPhi = 0.5*fDPhi;                       // half delta phi
  G4double cPhi  = fSPhi + hDPhi;
  G4double ePhi  = fSPhi + fDPhi;

  sinCPhi    = std::sin(cPhi);
  cosCPhi    = std::cos(cPhi);
  cosHDPhi   = std::cos(hDPhi);
  cosHDPhiIT = std::cos(hDPhi - 0.5*kAngTolerance); // inner/outer tol half dphi
  cosHDPhiOT = std::cos(hDPhi + 0.5*kAngTolerance);
  sinSPhi = std::sin(fSPhi);
  cosSPhi = std::cos(fSPhi);
  sinEPhi = std::sin(ePhi);
  cosEPhi = std::cos(ePhi);
}

inline void G4CutTubs::CheckSPhiAngle(G4double sPhi)
{
  // Ensure fSphi in 0-2PI or -2PI-0 range if shape crosses 0

  if ( sPhi < 0 )
  {
    fSPhi = CLHEP::twopi - std::fmod(std::fabs(sPhi),CLHEP::twopi);
  }
  else
  {
    fSPhi = std::fmod(sPhi,CLHEP::twopi) ;
  }
  if ( fSPhi+fDPhi > CLHEP::twopi )
  {
    fSPhi -= CLHEP::twopi ;
  }
}

inline void G4CutTubs::CheckDPhiAngle(G4double dPhi)
{
  fPhiFullCutTube = true;
  if ( dPhi >= CLHEP::twopi-kAngTolerance*0.5 )
  {
    fDPhi=CLHEP::twopi;
    fSPhi=0;
  }
  else
  {
    fPhiFullCutTube = false;
    if ( dPhi > 0 )
    {
      fDPhi = dPhi;
    }
    else
    {
      std::ostringstream message;
      message << "Invalid dphi." << G4endl
              << "Negative or zero delta-Phi (" << dPhi << "), for solid: "
              << GetName();
      G4Exception("G4CutTubs::CheckDPhiAngle()", "GeomSolids0002",
                  FatalException, message);
    }
  }
}

inline void G4CutTubs::CheckPhiAngles(G4double sPhi, G4double dPhi)
{
  CheckDPhiAngle(dPhi);
  if ( (fDPhi<CLHEP::twopi) && ((sPhi) != 0.0) ) { CheckSPhiAngle(sPhi); }
  InitializeTrigonometry();
}

inline
void G4CutTubs::SetInnerRadius (G4double newRMin)
{
  if ( newRMin < 0 ) // Check radii
  {
    std::ostringstream message;
    message << "Invalid radii." << G4endl
            << "Invalid values for radii in solid " << GetName() << G4endl
            << "        newRMin = " << newRMin
            << ", fRMax = " << fRMax << G4endl
            << "        Negative inner radius!";
    G4Exception("G4CutTubs::SetInnerRadius()", "GeomSolids0002",
                FatalException, message);
  }
  fRMin= newRMin;
  Initialize();
}

inline
void G4CutTubs::SetOuterRadius (G4double newRMax)
{
  if ( newRMax <= 0 ) // Check radii
  {
    std::ostringstream message;
    message << "Invalid radii." << G4endl
            << "Invalid values for radii in solid " << GetName() << G4endl
            << "        fRMin = " << fRMin
            << ", newRMax = " << newRMax << G4endl
            << "        Invalid outer radius!";
    G4Exception("G4CutTubs::SetOuterRadius()", "GeomSolids0002",
                FatalException, message);
  }
  fRMax= newRMax;
  Initialize();
}

inline
void G4CutTubs::SetZHalfLength (G4double newDz)
{
  if (newDz<=0) // Check z-len
  {
    std::ostringstream message;
    message << "Invalid Z half-length." << G4endl
            << "Negative Z half-length (" << newDz << "), for solid: "
            << GetName();
    G4Exception("G4CutTubs::SetZHalfLength()", "GeomSolids0002",
                FatalException, message);
  }
  fDz= newDz;
  Initialize();
}

inline
void G4CutTubs::SetStartPhiAngle (G4double newSPhi, G4bool compute)
{
  // Flag 'compute' can be used to explicitely avoid recomputation of
  // trigonometry in case SetDeltaPhiAngle() is invoked afterwards

  CheckSPhiAngle(newSPhi);
  fPhiFullCutTube = false;
  if (compute)  { InitializeTrigonometry(); }
  Initialize();
}

inline
void G4CutTubs::SetDeltaPhiAngle (G4double newDPhi)
{
  CheckPhiAngles(fSPhi, newDPhi);
  Initialize();
}