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geant4/source/geometry/solids/CSG/src/G4USphere.cc
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//
// ********************************************************************
// * 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 *
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// * 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. *
// ********************************************************************
//
//
// $Id:$
//
//
// Implementation for G4USphere wrapper class
// --------------------------------------------------------------------
#include "G4Sphere.hh"
#include "G4USphere.hh"
#if ( defined(G4GEOM_USE_USOLIDS) || defined(G4GEOM_USE_PARTIAL_USOLIDS) )
#include "G4GeomTools.hh"
#include "G4AffineTransform.hh"
#include "G4VPVParameterisation.hh"
#include "G4BoundingEnvelope.hh"
using namespace CLHEP;
////////////////////////////////////////////////////////////////////////
//
// constructor - check parameters, convert angles so 0<sphi+dpshi<=2_PI
// - note if pDPhi>2PI then reset to 2PI
G4USphere::G4USphere( const G4String& pName,
G4double pRmin, G4double pRmax,
G4double pSPhi, G4double pDPhi,
G4double pSTheta, G4double pDTheta )
: Base_t(pName, pRmin, pRmax, pSPhi, pDPhi, pSTheta, pDTheta)
{
}
///////////////////////////////////////////////////////////////////////
//
// Fake default constructor - sets only member data and allocates memory
// for usage restricted to object persistency.
//
G4USphere::G4USphere( __void__& a )
: Base_t(a)
{
}
/////////////////////////////////////////////////////////////////////
//
// Destructor
G4USphere::~G4USphere()
{
}
//////////////////////////////////////////////////////////////////////////
//
// Copy constructor
G4USphere::G4USphere(const G4USphere& rhs)
: Base_t(rhs)
{
}
//////////////////////////////////////////////////////////////////////////
//
// Assignment operator
G4USphere& G4USphere::operator = (const G4USphere& rhs)
{
// Check assignment to self
//
if (this == &rhs) { return *this; }
// Copy base class data
//
Base_t::operator=(rhs);
return *this;
}
//////////////////////////////////////////////////////////////////////////
//
// Accessors & modifiers
G4double G4USphere::GetInnerRadius() const
{
return Base_t::GetInnerRadius();
}
G4double G4USphere::GetOuterRadius() const
{
return Base_t::GetOuterRadius();
}
G4double G4USphere::GetStartPhiAngle() const
{
return Base_t::GetStartPhiAngle();
}
G4double G4USphere::GetDeltaPhiAngle() const
{
return Base_t::GetDeltaPhiAngle();
}
G4double G4USphere::GetStartThetaAngle() const
{
return Base_t::GetStartThetaAngle();
}
G4double G4USphere::GetDeltaThetaAngle() const
{
return Base_t::GetDeltaThetaAngle();
}
G4double G4USphere::GetSinStartPhi() const
{
return Base_t::GetSinSPhi();
}
G4double G4USphere::GetCosStartPhi() const
{
return Base_t::GetCosSPhi();
}
G4double G4USphere::GetSinEndPhi() const
{
return Base_t::GetSinEPhi();
}
G4double G4USphere::GetCosEndPhi() const
{
return Base_t::GetCosEPhi();
}
G4double G4USphere::GetSinStartTheta() const
{
return Base_t::GetSinSTheta();
}
G4double G4USphere::GetCosStartTheta() const
{
return Base_t::GetCosSTheta();
}
G4double G4USphere::GetSinEndTheta() const
{
return Base_t::GetSinETheta();
}
G4double G4USphere::GetCosEndTheta() const
{
return Base_t::GetCosETheta();
}
void G4USphere::SetInnerRadius(G4double newRMin)
{
Base_t::SetInnerRadius(newRMin);
fRebuildPolyhedron = true;
}
void G4USphere::SetOuterRadius(G4double newRmax)
{
Base_t::SetOuterRadius(newRmax);
fRebuildPolyhedron = true;
}
void G4USphere::SetStartPhiAngle(G4double newSphi, G4bool trig)
{
Base_t::SetStartPhiAngle(newSphi, trig);
fRebuildPolyhedron = true;
}
void G4USphere::SetDeltaPhiAngle(G4double newDphi)
{
Base_t::SetDeltaPhiAngle(newDphi);
fRebuildPolyhedron = true;
}
void G4USphere::SetStartThetaAngle(G4double newSTheta)
{
Base_t::SetStartThetaAngle(newSTheta);
fRebuildPolyhedron = true;
}
void G4USphere::SetDeltaThetaAngle(G4double newDTheta)
{
Base_t::SetDeltaThetaAngle(newDTheta);
fRebuildPolyhedron = true;
}
//////////////////////////////////////////////////////////////////////////
//
// Dispatch to parameterisation for replication mechanism dimension
// computation & modification.
void G4USphere::ComputeDimensions( G4VPVParameterisation* p,
const G4int n,
const G4VPhysicalVolume* pRep)
{
p->ComputeDimensions(*(G4Sphere*)this,n,pRep);
}
//////////////////////////////////////////////////////////////////////////
//
// Make a clone of the object
G4VSolid* G4USphere::Clone() const
{
return new G4USphere(*this);
}
//////////////////////////////////////////////////////////////////////////
//
// Get bounding box
void G4USphere::BoundingLimits(G4ThreeVector& pMin, G4ThreeVector& pMax) const
{
static G4bool checkBBox = true;
G4double rmin = GetInnerRadius();
G4double rmax = GetOuterRadius();
// Find bounding box
//
if (GetDeltaThetaAngle() >= pi && GetDeltaPhiAngle() >= twopi)
{
pMin.set(-rmax,-rmax,-rmax);
pMax.set( rmax, rmax, rmax);
}
else
{
G4double sinStart = GetSinStartTheta();
G4double cosStart = GetCosStartTheta();
G4double sinEnd = GetSinEndTheta();
G4double cosEnd = GetCosEndTheta();
G4double stheta = GetStartThetaAngle();
G4double etheta = stheta + GetDeltaThetaAngle();
G4double rhomin = rmin*std::min(sinStart,sinEnd);
G4double rhomax = rmax;
if (stheta > halfpi) rhomax = rmax*sinStart;
if (etheta < halfpi) rhomax = rmax*sinEnd;
G4TwoVector xymin,xymax;
G4GeomTools::DiskExtent(rhomin,rhomax,
GetSinStartPhi(),GetCosStartPhi(),
GetSinEndPhi(),GetCosEndPhi(),
xymin,xymax);
G4double zmin = std::min(rmin*cosEnd,rmax*cosEnd);
G4double zmax = std::max(rmin*cosStart,rmax*cosStart);
pMin.set(xymin.x(),xymin.y(),zmin);
pMax.set(xymax.x(),xymax.y(),zmax);
}
// Check correctness of the bounding box
//
if (pMin.x() >= pMax.x() || pMin.y() >= pMax.y() || pMin.z() >= pMax.z())
{
std::ostringstream message;
message << "Bad bounding box (min >= max) for solid: "
<< GetName() << " !"
<< "\npMin = " << pMin
<< "\npMax = " << pMax;
G4Exception("G4USphere::BoundingLimits()", "GeomMgt0001",
JustWarning, message);
StreamInfo(G4cout);
}
// Check consistency of bounding boxes
//
if (checkBBox)
{
U3Vector vmin, vmax;
Extent(vmin,vmax);
if (std::abs(pMin.x()-vmin.x()) > kCarTolerance ||
std::abs(pMin.y()-vmin.y()) > kCarTolerance ||
std::abs(pMin.z()-vmin.z()) > kCarTolerance ||
std::abs(pMax.x()-vmax.x()) > kCarTolerance ||
std::abs(pMax.y()-vmax.y()) > kCarTolerance ||
std::abs(pMax.z()-vmax.z()) > kCarTolerance)
{
std::ostringstream message;
message << "Inconsistency in bounding boxes for solid: "
<< GetName() << " !"
<< "\nBBox min: wrapper = " << pMin << " solid = " << vmin
<< "\nBBox max: wrapper = " << pMax << " solid = " << vmax;
G4Exception("G4USphere::BoundingLimits()", "GeomMgt0001",
JustWarning, message);
checkBBox = false;
}
}
}
//////////////////////////////////////////////////////////////////////////
//
// Calculate extent under transform and specified limit
G4bool G4USphere::CalculateExtent(const EAxis pAxis,
const G4VoxelLimits& pVoxelLimit,
const G4AffineTransform& pTransform,
G4double& pMin, G4double& pMax) const
{
G4ThreeVector bmin, bmax;
// Get bounding box
BoundingLimits(bmin,bmax);
// Find extent
G4BoundingEnvelope bbox(bmin,bmax);
return bbox.CalculateExtent(pAxis,pVoxelLimit,pTransform,pMin,pMax);
}
//////////////////////////////////////////////////////////////////////////
//
// Create polyhedron for visualization
G4Polyhedron* G4USphere::CreatePolyhedron() const
{
return new G4PolyhedronSphere(GetInnerRadius(),
GetOuterRadius(),
GetStartPhiAngle(),
GetDeltaPhiAngle(),
GetStartThetaAngle(),
GetDeltaThetaAngle());
}
#endif // G4GEOM_USE_USOLIDS