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osgUtil::IntersectionVisitor::ReadCallback Struct Referenceabstract

#include <IntersectionVisitor>

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

Public Member Functions

virtual osg::ref_ptr< 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)
 
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 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

◆ readNodeFile()

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

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