G4VRML2FileViewer Class Reference

#include <G4VRML2FileViewer.hh>

Inheritance diagram for G4VRML2FileViewer:

Collaboration diagram for G4VRML2FileViewer:

Public Member Functions
	G4VRML2FileViewer (G4VRML2FileSceneHandler &scene, const G4String &name="")
virtual	~G4VRML2FileViewer ()
void	ClearView ()
void	DrawView ()
void	ShowView ()
void	FinishView ()
Public Member Functions inherited from G4VViewer
	G4VViewer (G4VSceneHandler &, G4int id, const G4String &name="")
virtual	~G4VViewer ()
virtual void	Initialise ()
virtual void	ResetView ()
void	RefreshView ()
const G4String &	GetName () const
const G4String &	GetShortName () const
void	SetName (const G4String &)
G4int	GetViewId () const
G4VSceneHandler *	GetSceneHandler () const
const G4ViewParameters &	GetViewParameters () const
const G4ViewParameters &	GetDefaultViewParameters () const
virtual const std::vector< G4ModelingParameters::VisAttributesModifier > *	GetPrivateVisAttributesModifiers () const
void	SetViewParameters (const G4ViewParameters &vp)
void	SetDefaultViewParameters (const G4ViewParameters &vp)
const G4VisAttributes *	GetApplicableVisAttributes (const G4VisAttributes *) const
void	SetNeedKernelVisit (G4bool need)
void	NeedKernelVisit ()
void	ProcessView ()

Private Member Functions
void	SetView ()
void	SendViewParameters ()

Private Attributes
G4VRML2FileSceneHandler &	fSceneHandler
std::ofstream &	fDest
G4double	fViewHalfAngle
G4double	fsin_VHA

Additional Inherited Members
Protected Attributes inherited from G4VViewer
G4VSceneHandler &	fSceneHandler
G4int	fViewId
G4String	fName
G4String	fShortName
G4ViewParameters	fVP
G4ViewParameters	fDefaultVP
G4bool	fNeedKernelVisit

Detailed Description

Definition at line 41 of file G4VRML2FileViewer.hh.

Constructor & Destructor Documentation

G4VRML2FileViewer()

G4VRML2FileViewer::G4VRML2FileViewer	(	G4VRML2FileSceneHandler &	scene,
		const G4String &	name = ""
	)

Definition at line 45 of file G4VRML2FileViewer.cc.

                                       :
 G4VViewer(sceneHandler,
       sceneHandler.IncrementViewCount(),
       name),
 fSceneHandler(sceneHandler),
 fDest(sceneHandler.fDest)
{
  fViewHalfAngle = 30. * deg;
    fsin_VHA = std::sin ( fViewHalfAngle ) ;    
}

~G4VRML2FileViewer()

G4VRML2FileViewer::~G4VRML2FileViewer ( )

virtual

Definition at line 57 of file G4VRML2FileViewer.cc.

{}

Member Function Documentation

ClearView()

void G4VRML2FileViewer::ClearView ( void  )

virtual

Implements G4VViewer.

Definition at line 90 of file G4VRML2FileViewer.cc.

{
#if defined DEBUG_FR_VIEW
  if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
        G4cout << "***** G4VRML2File1View::ClearView()" << G4endl;
#endif
  if(fSceneHandler.fFlagDestOpen) {
    fSceneHandler.fDest.close();
    // Re-open with same filename...
    fSceneHandler.fDest.open(fSceneHandler.fVRMLFileName);
    fSceneHandler.fDest << "#VRML V2.0 utf8" << "\n";
    fSceneHandler.fDest << "# Generated by VRML 2.0 driver of GEANT4\n" << "\n";
  }
}

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DrawView()

void G4VRML2FileViewer::DrawView ( )

virtual

Implements G4VViewer.

Definition at line 72 of file G4VRML2FileViewer.cc.

{
#if defined DEBUG_FR_VIEW
  if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
    G4cout << "***** G4VRML2FileViewer::DrawView()" << G4endl;
#endif

    fSceneHandler.VRMLBeginModeling() ; 

        // Viewpoint node
        SendViewParameters(); 

    // Here is a minimal DrawView() function.
    NeedKernelVisit();
    ProcessView();
    FinishView();
}

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FinishView()

void G4VRML2FileViewer::FinishView ( void  )

virtual

Reimplemented from G4VViewer.

Definition at line 114 of file G4VRML2FileViewer.cc.

{
#if defined DEBUG_FR_VIEW
  if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
        G4cout << "***** G4VRML2FileViewer::FinishView(): No effects" << G4endl;
#endif
}

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SendViewParameters()

void G4VRML2FileViewer::SendViewParameters ( )

private

Definition at line 122 of file G4VRML2FileViewer.cc.

{
  // Calculates view representation based on extent of object being
  // viewed and (initial) direction of camera.  (Note: it can change
  // later due to user interaction via visualization system's GUI.)

#if defined DEBUG_FR_VIEW
  if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
      G4cout << "***** G4VRML2FileViewer::SendViewParameters()\n";
#endif 

    // error recovery
    if ( fsin_VHA < 1.0e-6 ) { return ; } 

    // camera distance
    G4double extent_radius = fSceneHandler.GetScene()->GetExtent().GetExtentRadius();
    G4double camera_distance = extent_radius / fsin_VHA ;

    // camera position on Z axis
    const G4Point3D&    target_point
      = fSceneHandler.GetScene()->GetStandardTargetPoint()
      + fVP.GetCurrentTargetPoint();
    G4double        E_z = target_point.z() + camera_distance;
    G4Point3D       E(0.0, 0.0, E_z );

    // VRML codes are generated below   
    fDest << G4endl;
    fDest << "#---------- CAMERA" << G4endl;
    fDest << "Viewpoint {"         << G4endl;
    fDest << "\t" << "position "           ;
    fDest                 << E.x() << " "  ;
    fDest                 << E.y() << " "  ;
    fDest                 << E.z() << G4endl ;
    fDest << "}" << G4endl;
    fDest << G4endl;

}

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SetView()

void G4VRML2FileViewer::SetView ( )

privatevirtual

Implements G4VViewer.

Definition at line 60 of file G4VRML2FileViewer.cc.

{
#if defined DEBUG_FR_VIEW
  if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
        G4cout << "***** G4VRML2FileViewer::SetView(): No effects" << G4endl;
#endif

// Do nothing, since VRML a browser is running as a different process.
// SendViewParameters () will do this job instead.

}

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ShowView()

void G4VRML2FileViewer::ShowView ( void  )

virtual

Reimplemented from G4VViewer.

Definition at line 105 of file G4VRML2FileViewer.cc.

{
#if defined DEBUG_FR_VIEW
  if (G4VisManager::GetVerbosity() >= G4VisManager::errors)
        G4cout << "***** G4VRML2FileViewer::ShowView()" << G4endl;
#endif
    fSceneHandler.VRMLEndModeling();
}

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Member Data Documentation

fDest

std::ofstream& G4VRML2FileViewer::fDest

private

Definition at line 55 of file G4VRML2FileViewer.hh.

fSceneHandler

G4VRML2FileSceneHandler& G4VRML2FileViewer::fSceneHandler

private

Definition at line 54 of file G4VRML2FileViewer.hh.

fsin_VHA

G4double G4VRML2FileViewer::fsin_VHA

private

Definition at line 58 of file G4VRML2FileViewer.hh.

fViewHalfAngle

G4double G4VRML2FileViewer::fViewHalfAngle

private

Definition at line 57 of file G4VRML2FileViewer.hh.

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

• G4VRML2FileViewer.hh
• G4VRML2FileViewer.cc