DtOsgCullVisitor will inspect the camera to see which visual mode is active. More...

Inheritance diagram for makVrv::DtOsgCullVisitor:

Public Member Functions
	DtOsgCullVisitor (DtDe &de)
	CTOR. More...

	DtOsgCullVisitor (const DtOsgCullVisitor &)
	Copy constructor. More...

void	initializeViewDependentSettings ()
	Virtual void. More...

bool	orthoCulling () const
	Query whether this visitor is doing orthographic culling. More...

bool	coordinateSystemChanged () const
	Query whether the coordinate system changed this frame (used to reset localToWorkd matrices) More...

virtual float	getDistanceToScreenEdge (const osg::Vec3 &vec) const
	Get a projected distance from the screen edge (approximate) when orthoCulling. More...

virtual float	altitude2D () const
	Same as getDistanceToViewPoint() when ortho culling. More...

const DtOsgCullVisitorParameters *	visitorParameters () const
	Get the cull visitor parameters. More...

void	setInReflectionPass (bool bReflecting)
	Indicate whether we are now in a reflection pass. More...

bool	inReflectionPass (void) const
	Query whether this visitor is in a reflection pass. More...

const DtDe &	de (void) const
	const accessor for DtDe. More...

DtDe &	de (void)
	const accessor for DtDe. More...

virtual void	apply (osg::Transform &node)
	check for scalable transform and scale as required More...

virtual void	apply (osg::Node &node)
	check for light point nodes so we can disable shaders on them More...

virtual void	apply (osg::Group &group)
	check for scalable group and scale bounding sphere as required More...

virtual void	apply (osg::LightSource &lightSource)
	check for emissive lights in models and make them global More...

virtual void	apply (osg::Geode &geode)
	sync shader uniforms to the state More...

virtual void	apply (osg::Camera &node)
	currently unused but can be used for profiling the camera apply More...

virtual void	apply (osg::Billboard &node)
	process the cull for billboards More...

virtual void	apply (osg::PagedLOD &node)
	used so we know when the cull visitor is below a paged lod in the scene graph this lets us apply the paged lod magnification scale factor only to things under paged lods More...

virtual void	apply (osg::OcclusionQueryNode &node)
	process and check the queries for a this query node. More...

virtual bool	isCulled (osg::Node &node, double scaleFactor)
	for nodes that need scaling, we call this instead of CullVisitor::isCulled More...

Protected Member Functions
virtual	~DtOsgCullVisitor ()
	destructor More...

virtual float	getDistanceToViewPoint (const osg::Vec3 &vec, bool useLOD) const
	Gets the distance to the view point with the given visual mode. More...

virtual float	calculateFocusPointDistance (const osg::Vec3 &vec, bool useLOD, float magVal) const
	utility function for calculating the distance based on focus points. More...

DtOsgCullVisitorParameters *	getVisitorParameters () const
	Fetches the info from the visitor's renderInfo object. More...

virtual osgUtil::CullVisitor *	clone () const
	Protected clone function. More...

virtual void	reset ()
	reset the light manager and call osgUtil::CullVisitor::reset More...

void	slot_StateSetChanged (const osg::StateSet *pStateSet)
	connect to the state set changed signal so we can invalidate the uniforms. More...

Protected Attributes
DtOsgCullVisitorParameters *	myInfoCopy

double	myAltitude2D

double	myAltitude3D

osg::Matrix	myWorldToWindowMatrix

DtDe &	myDe

boost::signalslib::connection	m_signalConnection

bool	myIsInReflectionPass

bool	myIsInTerrain

Detailed Description

DtOsgCullVisitor will inspect the camera to see which visual mode is active.

If the visual mode is a 2D display mode, it changes the way LODs are paged in by pixel size and zoom level, else uses a distance from eye-point check with no LOD scale

Constructor & Destructor Documentation

makVrv::DtOsgCullVisitor::DtOsgCullVisitor ( DtDe & de )

CTOR.

makVrv::DtOsgCullVisitor::DtOsgCullVisitor ( const DtOsgCullVisitor & )

Copy constructor.

virtual makVrv::DtOsgCullVisitor::~DtOsgCullVisitor ( )

protectedvirtual

destructor

Member Function Documentation

void makVrv::DtOsgCullVisitor::initializeViewDependentSettings ( )

Virtual void.

bool makVrv::DtOsgCullVisitor::orthoCulling ( ) const

Query whether this visitor is doing orthographic culling.

bool makVrv::DtOsgCullVisitor::coordinateSystemChanged ( ) const

Query whether the coordinate system changed this frame (used to reset localToWorkd matrices)

virtual float makVrv::DtOsgCullVisitor::getDistanceToScreenEdge ( const osg::Vec3 & vec ) const

virtual

Get a projected distance from the screen edge (approximate) when orthoCulling.

virtual float makVrv::DtOsgCullVisitor::altitude2D ( ) const

virtual

Same as getDistanceToViewPoint() when ortho culling.

const DtOsgCullVisitorParameters* makVrv::DtOsgCullVisitor::visitorParameters ( ) const

Get the cull visitor parameters.

void makVrv::DtOsgCullVisitor::setInReflectionPass ( bool bReflecting )

inline

Indicate whether we are now in a reflection pass.

bool makVrv::DtOsgCullVisitor::inReflectionPass ( void ) const

inline

Query whether this visitor is in a reflection pass.

const DtDe& makVrv::DtOsgCullVisitor::de ( void ) const

const accessor for DtDe.

This accessor is useful for retrieving DtDe, in classes where DtDe is not directly accessible for example: osg earth, osg plugins

DtDe& makVrv::DtOsgCullVisitor::de ( void )

const accessor for DtDe.

This accessor is useful for retrieving DtDe, in classes where DtDe is not directly accessible for example: osg earth, osg plugins

virtual void makVrv::DtOsgCullVisitor::apply ( osg::Transform & node )

virtual

check for scalable transform and scale as required

virtual void makVrv::DtOsgCullVisitor::apply ( osg::Node & node )

virtual

check for light point nodes so we can disable shaders on them

virtual void makVrv::DtOsgCullVisitor::apply ( osg::Group & group )

virtual

check for scalable group and scale bounding sphere as required

virtual void makVrv::DtOsgCullVisitor::apply ( osg::LightSource & lightSource )

virtual

check for emissive lights in models and make them global

virtual void makVrv::DtOsgCullVisitor::apply ( osg::Geode & geode )

virtual

sync shader uniforms to the state

virtual void makVrv::DtOsgCullVisitor::apply ( osg::Camera & node )

virtual

currently unused but can be used for profiling the camera apply

virtual void makVrv::DtOsgCullVisitor::apply ( osg::Billboard & node )

virtual

process the cull for billboards

virtual void makVrv::DtOsgCullVisitor::apply ( osg::PagedLOD & node )

virtual

used so we know when the cull visitor is below a paged lod in the scene graph this lets us apply the paged lod magnification scale factor only to things under paged lods

virtual void makVrv::DtOsgCullVisitor::apply ( osg::OcclusionQueryNode & node )

virtual

process and check the queries for a this query node.

virtual bool makVrv::DtOsgCullVisitor::isCulled	(	osg::Node &	node,
		double	scaleFactor
	)

virtual

for nodes that need scaling, we call this instead of CullVisitor::isCulled

virtual float makVrv::DtOsgCullVisitor::getDistanceToViewPoint	(	const osg::Vec3 &	vec,
		bool	useLOD
	)		const

protectedvirtual

Gets the distance to the view point with the given visual mode.

Will be used to page in LODs

virtual float makVrv::DtOsgCullVisitor::calculateFocusPointDistance	(	const osg::Vec3 &	vec,
		bool	useLOD,
		float	magVal
	)		const

protectedvirtual

utility function for calculating the distance based on focus points.

DtOsgCullVisitorParameters* makVrv::DtOsgCullVisitor::getVisitorParameters ( ) const

protected

Fetches the info from the visitor's renderInfo object.

virtual osgUtil::CullVisitor* makVrv::DtOsgCullVisitor::clone ( ) const

protectedvirtual

Protected clone function.

virtual void makVrv::DtOsgCullVisitor::reset ( )

protectedvirtual

reset the light manager and call osgUtil::CullVisitor::reset

void makVrv::DtOsgCullVisitor::slot_StateSetChanged ( const osg::StateSet * pStateSet )

protected

connect to the state set changed signal so we can invalidate the uniforms.

Member Data Documentation

DtOsgCullVisitorParameters* makVrv::DtOsgCullVisitor::myInfoCopy

protected

double makVrv::DtOsgCullVisitor::myAltitude2D

protected

double makVrv::DtOsgCullVisitor::myAltitude3D

protected

osg::Matrix makVrv::DtOsgCullVisitor::myWorldToWindowMatrix

protected

DtDe& makVrv::DtOsgCullVisitor::myDe

protected

boost::signalslib::connection makVrv::DtOsgCullVisitor::m_signalConnection

protected

bool makVrv::DtOsgCullVisitor::myIsInReflectionPass

protected

bool makVrv::DtOsgCullVisitor::myIsInTerrain

protected

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

/data/exports/nrhent7-1/nightly/docs/vrForces.vrf4-10-branch/include/vrvOsg/DtOsgCullVisitor.h

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation