G4BoundingSphereScene Class Reference

#include <G4BoundingSphereScene.hh>

Inheritance diagram for G4BoundingSphereScene:

Collaboration diagram for G4BoundingSphereScene:

Public Member Functions
	G4BoundingSphereScene (G4VModel *pModel=0)
virtual	~G4BoundingSphereScene ()
G4VisExtent	GetBoundingSphereExtent ()
const G4Point3D &	GetCentre () const
G4double	GetRadius () const
void	SetCentre (const G4Point3D &centre)
void	ResetBoundingSphere ()
void	AccrueBoundingSphere (const G4Point3D &centre, G4double radius)
Public Member Functions inherited from G4PseudoScene
	G4PseudoScene ()
virtual	~G4PseudoScene ()
void	PreAddSolid (const G4Transform3D &objectTransformation, const G4VisAttributes &)
void	PostAddSolid ()
void	AddSolid (const G4Box &solid)
void	AddSolid (const G4Cons &solid)
void	AddSolid (const G4Tubs &solid)
void	AddSolid (const G4Trd &solid)
void	AddSolid (const G4Trap &solid)
void	AddSolid (const G4Sphere &solid)
void	AddSolid (const G4Para &solid)
void	AddSolid (const G4Torus &solid)
void	AddSolid (const G4Polycone &solid)
void	AddSolid (const G4Polyhedra &solid)
void	AddSolid (const G4VSolid &solid)
void	AddCompound (const G4VTrajectory &)
void	AddCompound (const G4VHit &)
void	AddCompound (const G4VDigi &)
void	AddCompound (const G4THitsMap< G4double > &)
void	BeginPrimitives (const G4Transform3D &)
void	EndPrimitives ()
void	BeginPrimitives2D (const G4Transform3D &)
void	EndPrimitives2D ()
void	AddPrimitive (const G4Polyline &)
void	AddPrimitive (const G4Scale &)
void	AddPrimitive (const G4Text &)
void	AddPrimitive (const G4Circle &)
void	AddPrimitive (const G4Square &)
void	AddPrimitive (const G4Polymarker &)
void	AddPrimitive (const G4Polyhedron &)
Public Member Functions inherited from G4VGraphicsScene
	G4VGraphicsScene ()
virtual	~G4VGraphicsScene ()
virtual const G4VisExtent &	GetExtent () const

Private Member Functions
void	ProcessVolume (const G4VSolid &solid)

Private Attributes
G4VModel *	fpModel
G4Point3D	fCentre
G4double	fRadius

Additional Inherited Members
Protected Attributes inherited from G4PseudoScene
const G4Transform3D *	fpCurrentObjectTransformation

Detailed Description

Definition at line 41 of file G4BoundingSphereScene.hh.

Constructor & Destructor Documentation

G4BoundingSphereScene()

G4BoundingSphereScene::G4BoundingSphereScene

(

G4VModel *

pModel = 0

)

Definition at line 39 of file G4BoundingSphereScene.cc.

:fpModel(pModel)
,fRadius(-1.)
{}

~G4BoundingSphereScene()

G4BoundingSphereScene::~G4BoundingSphereScene ( )

virtual

Definition at line 44 of file G4BoundingSphereScene.cc.

{}

Member Function Documentation

AccrueBoundingSphere()

void G4BoundingSphereScene::AccrueBoundingSphere	(	const G4Point3D &	centre,
		G4double	radius
	)

Definition at line 72 of file G4BoundingSphereScene.cc.

                     {

  if (fRadius < 0 ) {  // First time.
    fCentre = newCentre;
    fRadius = newRadius;
  }
  else {
    G4Vector3D join = newCentre - fCentre;
    if (join == G4Vector3D (0., 0., 0.)) {             // Centres coincide.
      if (fRadius < newRadius) fRadius = newRadius;
    }
    else if (join.mag () + newRadius <= fRadius) {  // Inside accrued sphere.
      // Do nothing.
    }
    else {
      G4Vector3D unitJoin = join.unit ();
      G4Point3D oldExtremity1 = fCentre - fRadius * unitJoin;
      G4Point3D newExtremity1 = newCentre - newRadius * unitJoin;
      G4Point3D oldExtremity2 = fCentre + fRadius * unitJoin;
      G4Point3D newExtremity2 = newCentre + newRadius * unitJoin;
      G4Point3D extremity1;
      if (oldExtremity1 * unitJoin < newExtremity1 * unitJoin) {
    extremity1 = oldExtremity1;
      }
      else {
    extremity1 = newExtremity1;
      }
      G4Point3D extremity2;
      if (oldExtremity2 * unitJoin > newExtremity2 * unitJoin) {
    extremity2 = oldExtremity2;
      }
      else {
    extremity2 = newExtremity2;
      }
      fCentre = 0.5 * (extremity2 + extremity1);
      fRadius = 0.5 * (extremity2 - extremity1).mag ();
    }
  }
}

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GetBoundingSphereExtent()

G4VisExtent G4BoundingSphereScene::GetBoundingSphereExtent

(

)

Definition at line 46 of file G4BoundingSphereScene.cc.

                                                            {
  return G4VisExtent (fCentre, fRadius);
}

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GetCentre()

const G4Point3D& G4BoundingSphereScene::GetCentre ( ) const

inline

Definition at line 51 of file G4BoundingSphereScene.hh.

{return fCentre;}

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GetRadius()

G4double G4BoundingSphereScene::GetRadius ( ) const

inline

Definition at line 53 of file G4BoundingSphereScene.hh.

{return fRadius;}

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ProcessVolume()

void G4BoundingSphereScene::ProcessVolume ( const G4VSolid &  solid )

privatevirtual

Implements G4PseudoScene.

Definition at line 50 of file G4BoundingSphereScene.cc.

{
  const G4VisExtent& newExtent = solid.GetExtent ();
  G4Point3D newCentre = newExtent.GetExtentCentre ();
  if (fpCurrentObjectTransformation) {
    newCentre.transform (*fpCurrentObjectTransformation);
  }
  const G4double newRadius = newExtent.GetExtentRadius ();
  AccrueBoundingSphere (newCentre, newRadius);

  // Curtail descent - can assume daughters are contained within mother...
  G4PhysicalVolumeModel* pPVM = dynamic_cast<G4PhysicalVolumeModel*>(fpModel);
  if (pPVM) pPVM->CurtailDescent();
}

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ResetBoundingSphere()

void G4BoundingSphereScene::ResetBoundingSphere

(

)

Definition at line 65 of file G4BoundingSphereScene.cc.

                                                 {
  fCentre = G4Point3D ();
  fRadius = -1.;
  fpCurrentObjectTransformation = 0;
}

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SetCentre()

void G4BoundingSphereScene::SetCentre ( const G4Point3D &  centre )

inline

Definition at line 55 of file G4BoundingSphereScene.hh.

{fCentre = centre;}

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Member Data Documentation

fCentre

G4Point3D G4BoundingSphereScene::fCentre

private

Definition at line 71 of file G4BoundingSphereScene.hh.

fpModel

G4VModel* G4BoundingSphereScene::fpModel

private

Definition at line 70 of file G4BoundingSphereScene.hh.

fRadius

G4double G4BoundingSphereScene::fRadius

private

Definition at line 72 of file G4BoundingSphereScene.hh.

---

The documentation for this class was generated from the following files:

• G4BoundingSphereScene.hh
• G4BoundingSphereScene.cc