#include <LineSegmentIntersector.h>

Inheritance diagram for osgUtil::LineSegmentIntersector:

Collaboration diagram for osgUtil::LineSegmentIntersector:

Classes
struct	Intersection

Public Types
typedef std::multiset < 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 }

Public Member Functions
	LineSegmentIntersector (const osg::Vec3d &start, const osg::Vec3d &end)

	LineSegmentIntersector (CoordinateFrame cf, const osg::Vec3d &start, const osg::Vec3d &end, LineSegmentIntersector *parent=NULL, osgUtil::Intersector::IntersectionLimit intersectionLimit=osgUtil::Intersector::NO_LIMIT)

	LineSegmentIntersector (CoordinateFrame cf, double x, double y)

void	insertIntersection (const Intersection &intersection)

Intersections &	getIntersections ()

Intersection	getFirstIntersection ()

void	setStart (const osg::Vec3d &start)

const osg::Vec3d &	getStart () const

void	setEnd (const osg::Vec3d &end)

const osg::Vec3d &	getEnd () 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	intersect (osgUtil::IntersectionVisitor &iv, osg::Drawable *drawable, const osg::Vec3d &s, const osg::Vec3d &e)

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)

PrecisionHint	getPrecisionHint () 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

Static Public Member Functions
static osg::Matrix	getTransformation (osgUtil::IntersectionVisitor &iv, CoordinateFrame cf)

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 Member Functions
bool	intersects (const osg::BoundingSphere &bs)

bool	intersectAndClip (osg::Vec3d &s, osg::Vec3d &e, const osg::BoundingBox &bb)

Protected Member Functions inherited from osg::Referenced
virtual	~Referenced ()

void	signalObserversAndDelete (bool signalDelete, bool doDelete) const

void	deleteUsingDeleteHandler () const

Protected Attributes
LineSegmentIntersector *	_parent

osg::Vec3d	_start

osg::Vec3d	_end

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

Detailed Description

Concrete class for implementing line intersections with the scene graph. To be used in conjunction with IntersectionVisitor.

Definition at line 24 of file LineSegmentIntersector.h.

Member Typedef Documentation

typedef std::multiset<Intersection> osgUtil::LineSegmentIntersector::Intersections

Definition at line 74 of file LineSegmentIntersector.h.

Constructor & Destructor Documentation

osgUtil::LineSegmentIntersector::LineSegmentIntersector	(	const osg::Vec3d &	start,
		const osg::Vec3d &	end
	)

Construct a LineSegmentIntersector that runs between the specified start and end points in MODEL coordinates.

osgUtil::LineSegmentIntersector::LineSegmentIntersector	(	CoordinateFrame	cf,
		const osg::Vec3d &	start,
		const osg::Vec3d &	end,
		LineSegmentIntersector *	parent = `NULL`,
		osgUtil::Intersector::IntersectionLimit	intersectionLimit = `osgUtil::Intersector::NO_LIMIT`
	)

Construct a LineSegmentIntersector that runs between the specified start and end points in the specified coordinate frame.

osgUtil::LineSegmentIntersector::LineSegmentIntersector	(	CoordinateFrame	cf,
		double	x,
		double	y
	)

Convenience constructor for supporting picking in WINDOW, or PROJECTION coordinates In WINDOW coordinates creates a start value of (x,y,0) and end value of (x,y,1). In PROJECTION coordinates (clip space cube) creates a start value of (x,y,-1) and end value of (x,y,1). In VIEW and MODEL coordinates creates a start value of (x,y,0) and end value of (x,y,1).

Member Function Documentation

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

virtual

Implements osgUtil::Intersector.

virtual bool osgUtil::LineSegmentIntersector::containsIntersections ( )

inlinevirtual

Implements osgUtil::Intersector.

Definition at line 103 of file LineSegmentIntersector.h.

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

virtual

Implements osgUtil::Intersector.

const osg::Vec3d& osgUtil::LineSegmentIntersector::getEnd ( ) const

inline

Definition at line 86 of file LineSegmentIntersector.h.

Intersection osgUtil::LineSegmentIntersector::getFirstIntersection ( )

inline

Definition at line 80 of file LineSegmentIntersector.h.

Intersections& osgUtil::LineSegmentIntersector::getIntersections ( )

inline

Definition at line 78 of file LineSegmentIntersector.h.

const osg::Vec3d& osgUtil::LineSegmentIntersector::getStart ( ) const

inline

Definition at line 83 of file LineSegmentIntersector.h.

static osg::Matrix osgUtil::LineSegmentIntersector::getTransformation	(	osgUtil::IntersectionVisitor &	iv,
		CoordinateFrame	cf
	)

static

Compute the matrix that transforms the local coordinate system of parent Intersector (usually the current intersector) into the child coordinate system of the child Intersector. cf parameter indicates the coordinate frame of parent Intersector.

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

inline

Definition at line 76 of file LineSegmentIntersector.h.

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

virtual

Implements osgUtil::Intersector.

virtual void osgUtil::LineSegmentIntersector::intersect	(	osgUtil::IntersectionVisitor &	iv,
		osg::Drawable *	drawable,
		const osg::Vec3d &	s,
		const osg::Vec3d &	e
	)

virtual

bool osgUtil::LineSegmentIntersector::intersectAndClip	(	osg::Vec3d &	s,
		osg::Vec3d &	e,
		const osg::BoundingBox &	bb
	)

protected

bool osgUtil::LineSegmentIntersector::intersects ( const osg::BoundingSphere & bs )

protected

virtual void osgUtil::LineSegmentIntersector::leave ( )

virtual

Implements osgUtil::Intersector.

virtual void osgUtil::LineSegmentIntersector::reset ( )

virtual

Reimplemented from osgUtil::Intersector.

void osgUtil::LineSegmentIntersector::setEnd ( const osg::Vec3d & end )

inline

Definition at line 85 of file LineSegmentIntersector.h.

void osgUtil::LineSegmentIntersector::setStart ( const osg::Vec3d & start )

inline

Definition at line 82 of file LineSegmentIntersector.h.

Member Data Documentation

osg::Vec3d osgUtil::LineSegmentIntersector::_end

protected

Definition at line 118 of file LineSegmentIntersector.h.

Intersections osgUtil::LineSegmentIntersector::_intersections

protected

Definition at line 120 of file LineSegmentIntersector.h.

LineSegmentIntersector* osgUtil::LineSegmentIntersector::_parent

protected

Definition at line 115 of file LineSegmentIntersector.h.

osg::Vec3d osgUtil::LineSegmentIntersector::_start

protected

Definition at line 117 of file LineSegmentIntersector.h.

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

osg_head/include/osgUtil/LineSegmentIntersector.h

Classes

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation