openscenegraph
osgUtil::PickVisitor Class Reference

#include <IntersectVisitor>

Inheritance diagram for osgUtil::PickVisitor:
osgUtil::IntersectVisitor osg::NodeVisitor osg::Object 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)
HitList & getHitList (const osg::LineSegment *seg)
int getNumHits (const osg::LineSegment *seg)
LineSegmentHitListMap & getSegHitList ()
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::Drawable &)
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)
 NodeVisitor (const NodeVisitor &nv, const osg::CopyOp &copyop=osg::CopyOp::SHALLOW_COPY)
virtual ~NodeVisitor ()
 META_Object (osg, NodeVisitor) virtual NodeVisitor *asNodeVisitor()
virtual const NodeVisitor * asNodeVisitor () const
virtual osgUtil::UpdateVisitor * asUpdateVisitor ()
virtual const osgUtil::UpdateVisitor * asUpdateVisitor () const
virtual osgUtil::CullVisitor * asCullVisitor ()
virtual const osgUtil::CullVisitor * asCullVisitor () const
virtual osgGA::EventVisitor * asEventVisitor ()
virtual const osgGA::EventVisitor * asEventVisitor () const
virtual osgUtil::IntersectionVisitor * asIntersectionVisitor ()
virtual const osgUtil::IntersectionVisitor * asIntersectionVisitor () const
virtual osg::CullStack * asCullStack ()
virtual const osg::CullStack * asCullStack () 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 FrameStamp * getFrameStamp () 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 setValueMap (ValueMap *ps)
ValueMap * getValueMap ()
const ValueMap * getValueMap () const
ValueMap * getOrCreateValueMap ()
void setValueStack (ValueStack *ps)
ValueStack * getValueStack ()
const ValueStack * getValueStack () const
ValueStack * getOrCreateValueStack ()
void traverse (Node &node)
void pushOntoNodePath (Node *node)
void popFromNodePath ()
NodePath & getNodePath ()
const NodePath & getNodePath () const
virtual osg::Vec3 getViewPoint () const
virtual float getDistanceFromEyePoint (const Vec3 &, bool) const
virtual float getDistanceToViewPoint (const Vec3 &, bool) const
virtual void apply (Geometry &geometry)
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 (AutoTransform &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)
DatabaseRequestHandler * getDatabaseRequestHandler ()
const DatabaseRequestHandler * getDatabaseRequestHandler () const
void setImageRequestHandler (ImageRequestHandler *handler)
ImageRequestHandler * getImageRequestHandler ()
const ImageRequestHandler * getImageRequestHandler () const
Public Member Functions inherited from osg::Object
 Object ()
 Object (bool threadSafeRefUnref)
 Object (const Object &, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
virtual Object * cloneType () const =0
virtual Object * clone (const CopyOp &) const =0
virtual bool isSameKindAs (const Object *) const
virtual const char * libraryName () const =0
virtual const char * className () const =0
std::string getCompoundClassName () const
virtual Node * asNode ()
virtual const Node * asNode () const
virtual NodeVisitor * asNodeVisitor ()
virtual StateSet * asStateSet ()
virtual const StateSet * asStateSet () const
virtual StateAttribute * asStateAttribute ()
virtual const StateAttribute * asStateAttribute () const
virtual Uniform * asUniform ()
virtual const Uniform * asUniform () const
virtual Camera * asCamera ()
virtual const Camera * asCamera () const
virtual Drawable * asDrawable ()
virtual const Drawable * asDrawable () const
virtual Callback * asCallback ()
virtual const Callback * asCallback () const
virtual CallbackObject * asCallbackObject ()
virtual const CallbackObject * asCallbackObject () const
virtual UserDataContainer * asUserDataContainer ()
virtual const UserDataContainer * asUserDataContainer () const
virtual ValueObject * asValueObject ()
virtual const ValueObject * asValueObject () const
virtual Image * asImage ()
virtual const Image * asImage () const
virtual void setThreadSafeRefUnref (bool threadSafe)
virtual void setName (const std::string &name)
void setName (const char *name)
const std::string & getName () const
void setDataVariance (DataVariance dv)
DataVariance getDataVariance () const
virtual void computeDataVariance ()
void setUserDataContainer (osg::UserDataContainer *udc)
template<class T>
void setUserDataContainer (const ref_ptr< T > &udc)
osg::UserDataContainer * getUserDataContainer ()
const osg::UserDataContainer * getUserDataContainer () const
osg::UserDataContainer * getOrCreateUserDataContainer ()
virtual void setUserData (Referenced *obj)
template<class T>
void setUserData (const ref_ptr< T > &ud)
virtual Referenced * getUserData ()
virtual const Referenced * getUserData () const
template<typename T>
bool getUserValue (const std::string &name, T &value) const
template<typename T>
void setUserValue (const std::string &name, const T &value)
virtual void resizeGLObjectBuffers (unsigned int)
virtual void releaseGLObjects (osg::State *=0) const
template<typename T>
BoolValueObject UCharValueObject UShortValueObject UIntValueObject DoubleValueObject Vec3fValueObject Vec2dValueObject Vec4dValueObject PlaneValueObject MatrixdValueObject BoundingBoxdValueObject BoundingSpheredValueObject bool getUserValue (const std::string &name, T &value) const
Public Member Functions inherited from osg::Referenced
 Referenced ()
 Referenced (bool threadSafeRefUnref)
 Referenced (const Referenced &)
Referenced & operator= (const Referenced &)
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

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< DatabaseRequestHandler > _databaseRequestHandler
ref_ptr< ImageRequestHandler > _imageRequestHandler
osg::ref_ptr< ValueMap > _valueMap
osg::ref_ptr< ValueStack > _valueStack
Protected Attributes inherited from osg::Object
std::string _name
DataVariance _dataVariance
osg::UserDataContainer * _userDataContainer
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< Hit > HitList
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 , INTERSECTION_VISITOR
}
Public Types inherited from osg::Object
enum  DataVariance { DYNAMIC , STATIC , UNSPECIFIED }
Static Public Member Functions inherited from osg::Referenced
static OpenThreads::Mutex * getGlobalReferencedMutex ()
static void setDeleteHandler (DeleteHandler *handler)
static DeleteHandler * getDeleteHandler ()
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::Object
virtual ~Object ()
Protected Member Functions inherited from osg::Referenced
virtual ~Referenced ()
void signalObserversAndDelete (bool signalDelete, bool doDelete) const
void deleteUsingDeleteHandler () const

Detailed Description

Deprecated Use LineSegmentIntersector/IntersectionVisitor or View::computeIntersections(..).

Constructor & Destructor Documentation

◆ PickVisitor()

osgUtil::PickVisitor::PickVisitor ( const osg::Viewport * viewport,
const osg::Matrixd & proj,
const osg::Matrixd & view,
float mx,
float my )

Member Function Documentation

◆ apply() [1/2]

void osgUtil::PickVisitor::apply ( osg::Camera & camera)
virtual

Reimplemented from osg::NodeVisitor.

◆ apply() [2/2]

void osgUtil::PickVisitor::apply ( osg::Projection & projection)
virtual

Reimplemented from osg::NodeVisitor.

◆ runNestedPickVisitor()

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

◆ _lastProjectionMatrix

osg::Matrixd osgUtil::PickVisitor::_lastProjectionMatrix
protected

◆ _lastViewMatrix

osg::Matrixd osgUtil::PickVisitor::_lastViewMatrix
protected

◆ _lastViewport

osg::ref_ptr<const osg::Viewport> osgUtil::PickVisitor::_lastViewport
protected

◆ _mx

float osgUtil::PickVisitor::_mx
protected

◆ _my

float osgUtil::PickVisitor::_my
protected

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