osgUtil::PlaneIntersector Class Reference

Concrete class for implementing polytope intersections with the scene graph. More...

Inheritance diagram for osgUtil::PlaneIntersector:

Classes
struct	Intersection

Public Types
typedef std::vector< Intersection >	Intersections
Public Types inherited from osgUtil::Intersector
enum	CoordinateFrame { WINDOW, PROJECTION, VIEW, MODEL }
enum	IntersectionLimit { NO_LIMIT, LIMIT_ONE_PER_DRAWABLE, LIMIT_ONE, LIMIT_NEAREST }
enum	PrecisionHint { USE_DOUBLE_CALCULATIONS, USE_FLOAT_CALCULATIONS }
	Hint to precision used in the internal intersections calculations. More...

Public Member Functions
	PlaneIntersector (const osg::Plane &plane, const osg::Polytope &boundingPolytope=osg::Polytope())
	Construct a PolytopeIntersector using speified polytope in MODEL coordinates. More...
	PlaneIntersector (CoordinateFrame cf, const osg::Plane &plane, const osg::Polytope &boundingPolytope=osg::Polytope())
	Construct a PolytopeIntersector using speified polytope in specified coordinate frame. More...
void	insertIntersection (const Intersection &intersection)
Intersections &	getIntersections ()
void	setRecordHeightsAsAttributes (bool flag)
bool	getRecordHeightsAsAttributes () const
void	setEllipsoidModel (osg::EllipsoidModel *em)
const osg::EllipsoidModel *	getEllipsoidModel () const
virtual Intersector *	clone (osgUtil::IntersectionVisitor &iv)
virtual bool	enter (const osg::Node &node)
virtual void	leave ()
virtual void	intersect (osgUtil::IntersectionVisitor &iv, osg::Drawable *drawable)
virtual void	reset ()
virtual bool	containsIntersections ()
Public Member Functions inherited from osgUtil::Intersector
	Intersector (CoordinateFrame cf=MODEL, IntersectionLimit il=NO_LIMIT)
void	setCoordinateFrame (CoordinateFrame cf)
CoordinateFrame	getCoordinateFrame () const
void	setIntersectionLimit (IntersectionLimit limit)
IntersectionLimit	getIntersectionLimit () const
bool	disabled () const
void	incrementDisabledCount ()
void	decrementDisabledCount ()
bool	reachedLimit ()
void	setPrecisionHint (PrecisionHint hint)
	Set the hint to what precision to use in the intersections calculations. More...
PrecisionHint	getPrecisionHint () const
	Get the hint to what precision should be used in the intersections calculations. More...
Public Member Functions inherited from osg::Referenced
	Referenced ()
	Referenced (bool threadSafeRefUnref)
	Referenced (const Referenced &)
Referenced &	operator= (const Referenced &)
virtual void	setThreadSafeRefUnref (bool threadSafe)
	Set whether to use a mutex to ensure ref() and unref() are thread safe. More...
bool	getThreadSafeRefUnref () const
	Get whether a mutex is used to ensure ref() and unref() are thread safe. More...
OpenThreads::Mutex *	getRefMutex () const
	Get the mutex used to ensure thread safety of ref()/unref(). More...
int	ref () const
	Increment the reference count by one, indicating that this object has another pointer which is referencing it. More...
int	unref () const
	Decrement the reference count by one, indicating that a pointer to this object is no longer referencing it. More...
int	unref_nodelete () const
	Decrement the reference count by one, indicating that a pointer to this object is no longer referencing it. More...
int	referenceCount () const
	Return the number of pointers currently referencing this object. More...
ObserverSet *	getObserverSet () const
	Get the ObserverSet if one is attached, otherwise return NULL. More...
ObserverSet *	getOrCreateObserverSet () const
	Get the ObserverSet if one is attached, otherwise create an ObserverSet, attach it, then return this newly created ObserverSet. More...
void	addObserver (Observer *observer) const
	Add a Observer that is observing this object, notify the Observer when this object gets deleted. More...
void	removeObserver (Observer *observer) const
	Remove Observer that is observing this object. More...

Protected Attributes
PlaneIntersector *	_parent
bool	_recordHeightsAsAttributes
osg::ref_ptr< osg::EllipsoidModel >	_em
osg::Plane	_plane
osg::Polytope	_polytope
Intersections	_intersections
Protected Attributes inherited from osgUtil::Intersector
CoordinateFrame	_coordinateFrame
IntersectionLimit	_intersectionLimit
unsigned int	_disabledCount
PrecisionHint	_precisionHint
Protected Attributes inherited from osg::Referenced
OpenThreads::AtomicPtr	_observerSet
OpenThreads::Atomic	_refCount

Additional Inherited Members
Static Public Member Functions inherited from osg::Referenced
static OpenThreads::Mutex *	getGlobalReferencedMutex ()
	Get the optional global Referenced mutex, this can be shared between all osg::Referenced. More...
static void	setThreadSafeReferenceCounting (bool enableThreadSafeReferenceCounting)
	Set whether reference counting should use a mutex for thread safe reference counting. More...
static bool	getThreadSafeReferenceCounting ()
	Get whether reference counting is active. More...
static void	setDeleteHandler (DeleteHandler *handler)
	Set a DeleteHandler to which deletion of all referenced counted objects will be delegated. More...
static DeleteHandler *	getDeleteHandler ()
	Get a DeleteHandler. More...
Protected Member Functions inherited from osg::Referenced
virtual	~Referenced ()
void	signalObserversAndDelete (bool signalDelete, bool doDelete) const
void	deleteUsingDeleteHandler () const

Detailed Description

Concrete class for implementing polytope intersections with the scene graph.

To be used in conjunction with IntersectionVisitor.

Member Typedef Documentation

typedef std::vector<Intersection> osgUtil::PlaneIntersector::Intersections

Constructor & Destructor Documentation

osgUtil::PlaneIntersector::PlaneIntersector	(	const osg::Plane &	plane,
		const osg::Polytope &	boundingPolytope = osg::Polytope()
	)

Construct a PolytopeIntersector using speified polytope in MODEL coordinates.

osgUtil::PlaneIntersector::PlaneIntersector	(	CoordinateFrame	cf,
		const osg::Plane &	plane,
		const osg::Polytope &	boundingPolytope = osg::Polytope()
	)

Construct a PolytopeIntersector using speified polytope in specified coordinate frame.

Member Function Documentation

virtual Intersector* osgUtil::PlaneIntersector::clone ( osgUtil::IntersectionVisitor &  iv )

virtual

Implements osgUtil::Intersector.

virtual bool osgUtil::PlaneIntersector::containsIntersections ( )

inlinevirtual

Implements osgUtil::Intersector.

virtual bool osgUtil::PlaneIntersector::enter ( const osg::Node &  node )

virtual

Implements osgUtil::Intersector.

const osg::EllipsoidModel* osgUtil::PlaneIntersector::getEllipsoidModel ( ) const

inline

Intersections& osgUtil::PlaneIntersector::getIntersections ( )

inline

bool osgUtil::PlaneIntersector::getRecordHeightsAsAttributes ( ) const

inline

void osgUtil::PlaneIntersector::insertIntersection ( const Intersection &  intersection )

inline

virtual void osgUtil::PlaneIntersector::intersect ( osgUtil::IntersectionVisitor &  iv, osg::Drawable *  drawable  )

virtual

Implements osgUtil::Intersector.

virtual void osgUtil::PlaneIntersector::leave ( )

virtual

Implements osgUtil::Intersector.

virtual void osgUtil::PlaneIntersector::reset ( )

virtual

Reimplemented from osgUtil::Intersector.

void osgUtil::PlaneIntersector::setEllipsoidModel ( osg::EllipsoidModel *  em )

inline

void osgUtil::PlaneIntersector::setRecordHeightsAsAttributes ( bool  flag )

inline

Member Data Documentation

osg::ref_ptr<osg::EllipsoidModel> osgUtil::PlaneIntersector::_em

protected

Intersections osgUtil::PlaneIntersector::_intersections

protected

PlaneIntersector* osgUtil::PlaneIntersector::_parent

protected

osg::Plane osgUtil::PlaneIntersector::_plane

protected

osg::Polytope osgUtil::PlaneIntersector::_polytope

protected

bool osgUtil::PlaneIntersector::_recordHeightsAsAttributes

protected

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

• osgUtil/PlaneIntersector