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osgUtil::IntersectionVisitor::ReadCallback Struct Reference
Inheritance diagram for osgUtil::IntersectionVisitor::ReadCallback:
osg::Referenced osgSim::DatabaseCacheReadCallback

Public Member Functions

virtual osg::NodereadNodeFile (const std::string &filename)=0
- 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

Additional Inherited Members

- 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 Member Functions inherited from osg::Referenced
virtual ~Referenced ()
void signalObserversAndDelete (bool signalDelete, bool doDelete) const
void deleteUsingDeleteHandler () const
- Protected Attributes inherited from osg::Referenced
OpenThreads::AtomicPtr _observerSet
OpenThreads::Atomic _refCount

Detailed Description

Callback used to implement the reading of external files, allowing support for paged databases to be integrated with IntersectionVisitor. A concrete implementation can be found in osgDB. Note, this loose coupling approach is required as osgUtil is independent from osgDB where the file reading is implemented, and osgDB itself is dependent upon osgUtil so a circular dependency would result from tighter integration.

Member Function Documentation

virtual osg::Node* osgUtil::IntersectionVisitor::ReadCallback::readNodeFile ( const std::string &  filename)
pure virtual

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