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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
 
- Public Types inherited from osg::NodeVisitor
enum  TraversalMode { TRAVERSE_NONE, TRAVERSE_PARENTS, TRAVERSE_ALL_CHILDREN, TRAVERSE_ACTIVE_CHILDREN }
 
enum  VisitorType {
  NODE_VISITOR = 0, UPDATE_VISITOR, EVENT_VISITOR, COLLECT_OCCLUDER_VISITOR,
  CULL_VISITOR
}
 
- 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 ()
 
- Protected Member Functions inherited from osg::Referenced
virtual ~Referenced ()
 
void signalObserversAndDelete (bool signalDelete, bool doDelete) const
 
void deleteUsingDeleteHandler () const
 

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: