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osgUtil::PickVisitor Class Reference
Inheritance diagram for osgUtil::PickVisitor:
osgUtil::IntersectVisitor osg::NodeVisitor osg::Referenced

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)
HitListgetHitList (const osg::LineSegment *seg)
int getNumHits (const osg::LineSegment *seg)
LineSegmentHitListMapgetSegHitList ()
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 FrameStampgetFrameStamp () 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)
ReferencedgetUserData ()
const ReferencedgetUserData () const
void traverse (Node &node)
void pushOntoNodePath (Node *node)
void popFromNodePath ()
NodePathgetNodePath ()
const NodePathgetNodePath () 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)
DatabaseRequestHandlergetDatabaseRequestHandler ()
const DatabaseRequestHandlergetDatabaseRequestHandler () const
void setImageRequestHandler (ImageRequestHandler *handler)
ImageRequestHandlergetImageRequestHandler ()
const ImageRequestHandlergetImageRequestHandler () const
- Public Member Functions inherited from osg::Referenced
 Referenced ()
 Referenced (bool threadSafeRefUnref)
 Referenced (const Referenced &)
Referencedoperator= (const Referenced &)
virtual void setThreadSafeRefUnref (bool threadSafe)
bool getThreadSafeRefUnref () const
OpenThreads::MutexgetRefMutex () const
int ref () const
int unref () const
int unref_nodelete () const
int referenceCount () const
ObserverSetgetObserverSet () const
ObserverSetgetOrCreateObserverSet () 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< HitHitList
typedef std::map< const
osg::LineSegment *, HitList
LineSegmentHitListMap
- Static Public Member Functions inherited from osg::Referenced
static OpenThreads::MutexgetGlobalReferencedMutex ()
static void setThreadSafeReferenceCounting (bool enableThreadSafeReferenceCounting)
static bool getThreadSafeReferenceCounting ()
static void setDeleteHandler (DeleteHandler *handler)
static DeleteHandlergetDeleteHandler ()
- 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: