OpenSceneGraph  3.0.1
Classes | Public Types | Public Member Functions | Protected Attributes
osgUtil::PlaneIntersector Class Reference

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

Inheritance diagram for osgUtil::PlaneIntersector:
Inheritance graph
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List of all members.

Classes

struct  Intersection

Public Types

typedef std::vector< IntersectionIntersections
- Public Types inherited from osgUtil::Intersector
enum  CoordinateFrame { WINDOW, PROJECTION, VIEW, MODEL }
enum  IntersectionLimit { NO_LIMIT, LIMIT_ONE_PER_DRAWABLE, LIMIT_ONE, LIMIT_NEAREST }

Public Member Functions

 PlaneIntersector (const osg::Plane &plane, const osg::Polytope &boundingPolytope=osg::Polytope())
 Construct a PolytopeIntersector using speified polytope in MODEL coordinates.
 PlaneIntersector (CoordinateFrame cf, const osg::Plane &plane, const osg::Polytope &boundingPolytope=osg::Polytope())
 Construct a PolytopeIntersector using speified polytope in specified coordinate frame.
void insertIntersection (const Intersection &intersection)
IntersectionsgetIntersections ()
void setRecordHeightsAsAttributes (bool flag)
bool getRecordHeightsAsAttributes () const
void setEllipsoidModel (osg::EllipsoidModel *em)
const osg::EllipsoidModelgetEllipsoidModel () const
virtual Intersectorclone (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)
void setCoordinateFrame (CoordinateFrame cf)
CoordinateFrame getCoordinateFrame () const
void setIntersectionLimit (IntersectionLimit limit)
IntersectionLimit getIntersectionLimit () const
bool disabled () const
void incrementDisabledCount ()
void decrementDisabledCount ()
bool reachedLimit ()
- Public Member Functions inherited from osg::Referenced
 Referenced ()
 Referenced (bool threadSafeRefUnref)
 Referenced (const Referenced &)
Referencedoperator= (const Referenced &)
virtual void setThreadSafeRefUnref (bool threadSafe)
 Set whether to use a mutex to ensure ref() and unref() are thread safe.
bool getThreadSafeRefUnref () const
 Get whether a mutex is used to ensure ref() and unref() are thread safe.
OpenThreads::Mutex * getRefMutex () const
 Get the mutex used to ensure thread safety of ref()/unref().
int ref () const
 Increment the reference count by one, indicating that this object has another pointer which is referencing it.
int unref () const
 Decrement the reference count by one, indicating that a pointer to this object is referencing it.
int unref_nodelete () const
 Decrement the reference count by one, indicating that a pointer to this object is referencing it.
int referenceCount () const
 Return the number of pointers currently referencing this object.
ObserverSetgetObserverSet () const
 Get the ObserverSet if one is attached, otherwise return NULL.
ObserverSetgetOrCreateObserverSet () const
 Get the ObserverSet if one is attached, otherwise create an ObserverSet, attach it, then return this newly created ObserverSet.
void addObserver (Observer *observer) const
 Add a Observer that is observing this object, notify the Observer when this object gets deleted.
void removeObserver (Observer *observer) const
 Remove Observer that is observing this object.

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
- Protected Attributes inherited from osg::Referenced
OpenThreads::AtomicPtr _observerSet
OpenThreads::Atomic _refCount

Detailed Description

Concrete class for implementing polytope intersections with the scene graph.

To be used in conjunction with IntersectionVisitor.


Member Typedef Documentation


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

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

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Generated at Tue Oct 9 2012 08:36:06 for the OpenSceneGraph by doxygen 1.8.1.1.