osgUtil::PickVisitor Class Reference

Inheritance diagram for osgUtil::PickVisitor:

Public Member Functions
	PickVisitor (const osg::Viewport *viewport, const osg::Matrixd &proj, const osg::Matrixd &view, float mx, float my)
void	runNestedPickVisitor (osg::Node &node, const osg::Viewport *viewport, const osg::Matrix &proj, const osg::Matrix &view, float mx, float my)
void	apply (osg::Projection &projection)
void	apply (osg::Camera &camera)
Public Member Functions inherited from osgUtil::IntersectVisitor
	IntersectVisitor ()
virtual	~IntersectVisitor ()
	META_NodeVisitor ("osgUtil","IntersectVisitor") void reset()
void	addLineSegment (osg::LineSegment *seg)
HitList &	getHitList (const osg::LineSegment *seg)
int	getNumHits (const osg::LineSegment *seg)
LineSegmentHitListMap &	getSegHitList ()
bool	hits ()
void	setLODSelectionMode (LODSelectionMode mode)
LODSelectionMode	getLODSelectionMode () const
void	setEyePoint (const osg::Vec3 &eye)
virtual osg::Vec3	getEyePoint () const
virtual float	getDistanceToEyePoint (const osg::Vec3 &pos, bool withLODScale) const
virtual void	apply (osg::Node &)
virtual void	apply (osg::Geode &node)
virtual void	apply (osg::Billboard &node)
virtual void	apply (osg::Group &node)
virtual void	apply (osg::Transform &node)
virtual void	apply (osg::Switch &node)
virtual void	apply (osg::LOD &node)
Public Member Functions inherited from osg::NodeVisitor
	NodeVisitor (TraversalMode tm=TRAVERSE_NONE)
	NodeVisitor (VisitorType type, TraversalMode tm=TRAVERSE_NONE)
virtual	~NodeVisitor ()
virtual const char *	libraryName () const
virtual const char *	className () const
virtual void	reset ()
void	setVisitorType (VisitorType type)
VisitorType	getVisitorType () const
void	setTraversalNumber (unsigned int fn)
unsigned int	getTraversalNumber () const
void	setFrameStamp (FrameStamp *fs)
const FrameStamp *	getFrameStamp () const
void	setTraversalMask (Node::NodeMask mask)
Node::NodeMask	getTraversalMask () const
void	setNodeMaskOverride (Node::NodeMask mask)
Node::NodeMask	getNodeMaskOverride () const
bool	validNodeMask (const osg::Node &node) const
void	setTraversalMode (TraversalMode mode)
TraversalMode	getTraversalMode () const
void	setUserData (Referenced *obj)
Referenced *	getUserData ()
const Referenced *	getUserData () const
void	traverse (Node &node)
void	pushOntoNodePath (Node *node)
void	popFromNodePath ()
NodePath &	getNodePath ()
const NodePath &	getNodePath () const
virtual osg::Vec3	getViewPoint () const
virtual float	getDistanceFromEyePoint (const Vec3 &, bool) const
virtual float	getDistanceToViewPoint (const Vec3 &, bool) const
virtual void	apply (ProxyNode &node)
virtual void	apply (CoordinateSystemNode &node)
virtual void	apply (ClipNode &node)
virtual void	apply (TexGenNode &node)
virtual void	apply (LightSource &node)
virtual void	apply (CameraView &node)
virtual void	apply (MatrixTransform &node)
virtual void	apply (PositionAttitudeTransform &node)
virtual void	apply (Sequence &node)
virtual void	apply (PagedLOD &node)
virtual void	apply (ClearNode &node)
virtual void	apply (OccluderNode &node)
virtual void	apply (OcclusionQueryNode &node)
void	setDatabaseRequestHandler (DatabaseRequestHandler *handler)
DatabaseRequestHandler *	getDatabaseRequestHandler ()
const DatabaseRequestHandler *	getDatabaseRequestHandler () const
void	setImageRequestHandler (ImageRequestHandler *handler)
ImageRequestHandler *	getImageRequestHandler ()
const ImageRequestHandler *	getImageRequestHandler () const
Public Member Functions inherited from osg::Referenced
	Referenced ()
	Referenced (bool threadSafeRefUnref)
	Referenced (const Referenced &)
Referenced &	operator= (const Referenced &)
virtual void	setThreadSafeRefUnref (bool threadSafe)
bool	getThreadSafeRefUnref () const
OpenThreads::Mutex *	getRefMutex () const
int	ref () const
int	unref () const
int	unref_nodelete () const
int	referenceCount () const
ObserverSet *	getObserverSet () const
ObserverSet *	getOrCreateObserverSet () const
void	addObserver (Observer *observer) const
void	removeObserver (Observer *observer) const

Protected Attributes
float	_mx
float	_my
osg::ref_ptr< const osg::Viewport >	_lastViewport
osg::Matrixd	_lastProjectionMatrix
osg::Matrixd	_lastViewMatrix
Protected Attributes inherited from osgUtil::IntersectVisitor
IntersectStateStack	_intersectStateStack
LineSegmentHitListMap	_segHitList
LODSelectionMode	_lodSelectionMode
osg::Vec3	_pseudoEyePoint
Protected Attributes inherited from osg::NodeVisitor
VisitorType	_visitorType
unsigned int	_traversalNumber
ref_ptr< FrameStamp >	_frameStamp
TraversalMode	_traversalMode
Node::NodeMask	_traversalMask
Node::NodeMask	_nodeMaskOverride
NodePath	_nodePath
ref_ptr< Referenced >	_userData
ref_ptr< DatabaseRequestHandler >	_databaseRequestHandler
ref_ptr< ImageRequestHandler >	_imageRequestHandler
Protected Attributes inherited from osg::Referenced
OpenThreads::AtomicPtr	_observerSet
OpenThreads::Atomic	_refCount

Additional Inherited Members
Public Types inherited from osgUtil::IntersectVisitor
enum	LODSelectionMode { USE_HIGHEST_LEVEL_OF_DETAIL, USE_SEGMENT_START_POINT_AS_EYE_POINT_FOR_LOD_LEVEL_SELECTION }
typedef std::vector< Hit >	HitList
typedef std::map< const osg::LineSegment *, HitList >	LineSegmentHitListMap
Static Public Member Functions inherited from osg::Referenced
static OpenThreads::Mutex *	getGlobalReferencedMutex ()
static void	setThreadSafeReferenceCounting (bool enableThreadSafeReferenceCounting)
static bool	getThreadSafeReferenceCounting ()
static void	setDeleteHandler (DeleteHandler *handler)
static DeleteHandler *	getDeleteHandler ()
Protected Types inherited from osgUtil::IntersectVisitor
typedef std::vector < osg::ref_ptr< IntersectState > >	IntersectStateStack
Protected Member Functions inherited from osgUtil::IntersectVisitor
bool	intersect (osg::Drawable &gset)
void	pushMatrix (osg::RefMatrix *matrix, osg::Transform::ReferenceFrame rf)
void	popMatrix ()
bool	enterNode (osg::Node &node)
void	leaveNode ()

Detailed Description

Picking intersection visitor specialises the IntersectVistor to allow more convinient handling of mouse picking.

Constructor & Destructor Documentation

osgUtil::PickVisitor::PickVisitor	(	const osg::Viewport *	viewport,
		const osg::Matrixd &	proj,
		const osg::Matrixd &	view,
		float	mx,
		float	my
	)

Member Function Documentation

void osgUtil::PickVisitor::apply ( osg::Projection &  projection )

virtual

Reimplemented from osg::NodeVisitor.

void osgUtil::PickVisitor::apply ( osg::Camera &  camera )

virtual

Reimplemented from osg::NodeVisitor.

void osgUtil::PickVisitor::runNestedPickVisitor	(	osg::Node &	node,
		const osg::Viewport *	viewport,
		const osg::Matrix &	proj,
		const osg::Matrix &	view,
		float	mx,
		float	my
	)

Member Data Documentation

osg::Matrixd osgUtil::PickVisitor::_lastProjectionMatrix

protected

osg::Matrixd osgUtil::PickVisitor::_lastViewMatrix

protected

osg::ref_ptr<const osg::Viewport> osgUtil::PickVisitor::_lastViewport

protected

float osgUtil::PickVisitor::_mx

protected

float osgUtil::PickVisitor::_my

protected

---

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

• IntersectVisitor