openscenegraph
osg::PagedLOD Class Reference

#include <PagedLOD>

Inheritance diagram for osg::PagedLOD:
osg::LOD osg::Group osg::Node osg::Object osg::Referenced

Classes

struct  PerRangeData

Public Types

typedef std::vector< PerRangeDataPerRangeDataList
Public Types inherited from osg::LOD
enum  CenterMode { USE_BOUNDING_SPHERE_CENTER , USER_DEFINED_CENTER , UNION_OF_BOUNDING_SPHERE_AND_USER_DEFINED }
enum  RangeMode { DISTANCE_FROM_EYE_POINT , PIXEL_SIZE_ON_SCREEN }
typedef osg::BoundingSphere::vec_type vec_type
typedef osg::BoundingSphere::value_type value_type
typedef std::pair< float, float > MinMaxPair
typedef std::vector< MinMaxPairRangeList
Public Types inherited from osg::Node
typedef std::vector< Group * > ParentList
typedef unsigned int NodeMask
typedef std::vector< std::string > DescriptionList
Public Types inherited from osg::Object
enum  DataVariance { DYNAMIC , STATIC , UNSPECIFIED }

Public Member Functions

 PagedLOD ()
 PagedLOD (const PagedLOD &, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
 META_Node (osg, PagedLOD)
virtual void traverse (NodeVisitor &nv)
virtual bool addChild (Node *child)
virtual bool addChild (Node *child, float rmin, float rmax)
template<class T>
bool addChild (const ref_ptr< T > &child, float rmin, float rmax)
virtual bool addChild (Node *child, float rmin, float rmax, const std::string &filename, float priorityOffset=0.0f, float priorityScale=1.0f)
template<class T>
bool addChild (const ref_ptr< T > &child, float rmin, float rmax, const std::string &filename, float priorityOffset=0.0f, float priorityScale=1.0f)
virtual bool removeChildren (unsigned int pos, unsigned int numChildrenToRemove=1)
void setDatabaseOptions (osg::Referenced *options)
osg::ReferencedgetDatabaseOptions ()
const osg::ReferencedgetDatabaseOptions () const
void setDatabasePath (const std::string &path)
const std::string & getDatabasePath () const
void setFileName (unsigned int childNo, const std::string &filename)
const std::string & getFileName (unsigned int childNo) const
unsigned int getNumFileNames () const
void setPriorityOffset (unsigned int childNo, float priorityOffset)
float getPriorityOffset (unsigned int childNo) const
unsigned int getNumPriorityOffsets () const
void setPriorityScale (unsigned int childNo, float priorityScale)
float getPriorityScale (unsigned int childNo) const
unsigned int getNumPriorityScales () const
void setMinimumExpiryTime (unsigned int childNo, double minTime)
double getMinimumExpiryTime (unsigned int childNo) const
unsigned int getNumMinimumExpiryTimes () const
void setMinimumExpiryFrames (unsigned int childNo, unsigned int minFrames)
unsigned int getMinimumExpiryFrames (unsigned int childNo) const
unsigned int getNumMinimumExpiryFrames () const
void setTimeStamp (unsigned int childNo, double timeStamp)
double getTimeStamp (unsigned int childNo) const
unsigned int getNumTimeStamps () const
void setFrameNumber (unsigned int childNo, unsigned int frameNumber)
unsigned getFrameNumber (unsigned int childNo) const
unsigned int getNumFrameNumbers () const
osg::ref_ptr< osg::Referenced > & getDatabaseRequest (unsigned int childNo)
const osg::ref_ptr< osg::Referenced > & getDatabaseRequest (unsigned int childNo) const
void setFrameNumberOfLastTraversal (unsigned int frameNumber)
unsigned int getFrameNumberOfLastTraversal () const
void setNumChildrenThatCannotBeExpired (unsigned int num)
unsigned int getNumChildrenThatCannotBeExpired () const
void setDisableExternalChildrenPaging (bool flag)
bool getDisableExternalChildrenPaging () const
virtual bool removeExpiredChildren (double expiryTime, unsigned int expiryFrame, NodeList &removedChildren)
template<class T>
bool addChild (const ref_ptr< T > &child)
Public Member Functions inherited from osg::LOD
 LOD ()
 LOD (const LOD &, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
 META_Node (osg, LOD)
template<class T>
bool addChild (const ref_ptr< T > &child, float rmin, float rmax)
void setCenterMode (CenterMode mode)
CenterMode getCenterMode () const
void setCenter (const vec_type &center)
const vec_typegetCenter () const
void setRadius (value_type radius)
value_type getRadius () const
void setRangeMode (RangeMode mode)
RangeMode getRangeMode () const
void setRange (unsigned int childNo, float min, float max)
float getMinRange (unsigned int childNo) const
float getMaxRange (unsigned int childNo) const
unsigned int getNumRanges () const
void setRangeList (const RangeList &rangeList)
const RangeListgetRangeList () const
virtual BoundingSphere computeBound () const
template<class T>
bool addChild (const ref_ptr< T > &child)
Public Member Functions inherited from osg::Group
 Group ()
 Group (const Group &, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
 META_Node (osg, Group)
virtual GroupasGroup ()
virtual const GroupasGroup () const
template<class T>
bool addChild (const ref_ptr< T > &child)
virtual bool insertChild (unsigned int index, Node *child)
template<class T>
bool insertChild (unsigned int index, const ref_ptr< T > &child)
virtual bool removeChild (Node *child)
template<class T>
bool removeChild (const ref_ptr< T > &child)
bool removeChild (unsigned int pos, unsigned int numChildrenToRemove=1)
virtual bool replaceChild (Node *origChild, Node *newChild)
template<class T, class R>
bool replaceChild (const ref_ptr< T > &origChild, const ref_ptr< R > &newChild)
virtual unsigned int getNumChildren () const
virtual bool setChild (unsigned int i, Node *node)
NodegetChild (unsigned int i)
const NodegetChild (unsigned int i) const
bool containsNode (const Node *node) const
template<class T>
bool containsNode (const ref_ptr< T > &node) const
unsigned int getChildIndex (const Node *node) const
virtual void setThreadSafeRefUnref (bool threadSafe)
virtual void resizeGLObjectBuffers (unsigned int maxSize)
virtual void releaseGLObjects (osg::State *=0) const
Public Member Functions inherited from osg::Node
 Node ()
 Node (const Node &, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
virtual ObjectcloneType () const
virtual Objectclone (const CopyOp &copyop) const
virtual bool isSameKindAs (const Object *obj) const
virtual const char * libraryName () const
virtual const char * className () const
virtual NodeasNode ()
virtual const NodeasNode () const
virtual DrawableasDrawable ()
virtual const DrawableasDrawable () const
virtual GeometryasGeometry ()
virtual const GeometryasGeometry () const
virtual TransformasTransform ()
virtual const TransformasTransform () const
virtual SwitchasSwitch ()
virtual const SwitchasSwitch () const
virtual GeodeasGeode ()
virtual const GeodeasGeode () const
virtual osgTerrain::TerrainasTerrain ()
virtual const osgTerrain::TerrainasTerrain () const
virtual void accept (NodeVisitor &nv)
virtual void ascend (NodeVisitor &nv)
const ParentListgetParents () const
ParentList getParents ()
GroupgetParent (unsigned int i)
const GroupgetParent (unsigned int i) const
unsigned int getNumParents () const
NodePathList getParentalNodePaths (osg::Node *haltTraversalAtNode=0) const
MatrixList getWorldMatrices (const osg::Node *haltTraversalAtNode=0) const
void setUpdateCallback (Callback *nc)
template<class T>
void setUpdateCallback (const ref_ptr< T > &nc)
CallbackgetUpdateCallback ()
const CallbackgetUpdateCallback () const
void addUpdateCallback (Callback *nc)
template<class T>
void addUpdateCallback (const ref_ptr< T > &nc)
void removeUpdateCallback (Callback *nc)
template<class T>
void removeUpdateCallback (const ref_ptr< T > &nc)
unsigned int getNumChildrenRequiringUpdateTraversal () const
void setEventCallback (Callback *nc)
template<class T>
void setEventCallback (const ref_ptr< T > &nc)
CallbackgetEventCallback ()
const CallbackgetEventCallback () const
void addEventCallback (Callback *nc)
template<class T>
void addEventCallback (const ref_ptr< T > &nc)
void removeEventCallback (Callback *nc)
template<class T>
void removeEventCallback (const ref_ptr< T > &nc)
unsigned int getNumChildrenRequiringEventTraversal () const
void setCullCallback (Callback *nc)
template<class T>
void setCullCallback (const ref_ptr< T > &nc)
CallbackgetCullCallback ()
const CallbackgetCullCallback () const
void addCullCallback (Callback *nc)
template<class T>
void addCullCallback (const ref_ptr< T > &nc)
void removeCullCallback (Callback *nc)
template<class T>
void removeCullCallback (const ref_ptr< T > &nc)
void setCullingActive (bool active)
bool getCullingActive () const
unsigned int getNumChildrenWithCullingDisabled () const
bool isCullingActive () const
unsigned int getNumChildrenWithOccluderNodes () const
bool containsOccluderNodes () const
void setNodeMask (NodeMask nm)
NodeMask getNodeMask () const
void setStateSet (osg::StateSet *stateset)
template<class T>
void setStateSet (const osg::ref_ptr< T > &stateset)
osg::StateSetgetOrCreateStateSet ()
osg::StateSetgetStateSet ()
const osg::StateSetgetStateSet () const
void setDescriptions (const DescriptionList &descriptions)
DescriptionListgetDescriptions ()
const DescriptionListgetDescriptions () const
const std::string & getDescription (unsigned int i) const
std::string & getDescription (unsigned int i)
unsigned int getNumDescriptions () const
void addDescription (const std::string &desc)
void setInitialBound (const osg::BoundingSphere &bsphere)
const BoundingSpheregetInitialBound () const
void dirtyBound ()
const BoundingSpheregetBound () const
void setComputeBoundingSphereCallback (ComputeBoundingSphereCallback *callback)
template<class T>
void setComputeBoundingSphereCallback (const ref_ptr< T > &callback)
ComputeBoundingSphereCallbackgetComputeBoundingSphereCallback ()
const ComputeBoundingSphereCallbackgetComputeBoundingSphereCallback () const
Public Member Functions inherited from osg::Object
 Object ()
 Object (bool threadSafeRefUnref)
 Object (const Object &, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
std::string getCompoundClassName () const
virtual NodeVisitorasNodeVisitor ()
virtual const NodeVisitorasNodeVisitor () const
virtual StateSetasStateSet ()
virtual const StateSetasStateSet () const
virtual StateAttributeasStateAttribute ()
virtual const StateAttributeasStateAttribute () const
virtual UniformasUniform ()
virtual const UniformasUniform () const
virtual CameraasCamera ()
virtual const CameraasCamera () const
virtual CallbackasCallback ()
virtual const CallbackasCallback () const
virtual CallbackObjectasCallbackObject ()
virtual const CallbackObjectasCallbackObject () const
virtual UserDataContainerasUserDataContainer ()
virtual const UserDataContainerasUserDataContainer () const
virtual ValueObjectasValueObject ()
virtual const ValueObjectasValueObject () const
virtual ImageasImage ()
virtual const ImageasImage () const
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::UserDataContainergetUserDataContainer ()
const osg::UserDataContainergetUserDataContainer () const
osg::UserDataContainergetOrCreateUserDataContainer ()
virtual void setUserData (Referenced *obj)
template<class T>
void setUserData (const ref_ptr< T > &ud)
virtual ReferencedgetUserData ()
virtual const ReferencedgetUserData () 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)
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 &)
Referencedoperator= (const Referenced &)
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 Member Functions

virtual ~PagedLOD ()
void expandPerRangeDataTo (unsigned int pos)
Protected Member Functions inherited from osg::LOD
virtual ~LOD ()
Protected Member Functions inherited from osg::Group
virtual ~Group ()
virtual void childRemoved (unsigned int, unsigned int)
virtual void childInserted (unsigned int)
Protected Member Functions inherited from osg::Node
virtual ~Node ()
void addParent (osg::Group *parent)
void removeParent (osg::Group *parent)
void setNumChildrenRequiringUpdateTraversal (unsigned int num)
void setNumChildrenRequiringEventTraversal (unsigned int num)
void setNumChildrenWithCullingDisabled (unsigned int num)
void setNumChildrenWithOccluderNodes (unsigned int num)
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

Protected Attributes

ref_ptr< Referenced_databaseOptions
std::string _databasePath
unsigned int _frameNumberOfLastTraversal
unsigned int _numChildrenThatCannotBeExpired
bool _disableExternalChildrenPaging
PerRangeDataList _perRangeDataList
Protected Attributes inherited from osg::LOD
CenterMode _centerMode
vec_type _userDefinedCenter
value_type _radius
RangeMode _rangeMode
RangeList _rangeList
Protected Attributes inherited from osg::Group
NodeList _children
Protected Attributes inherited from osg::Node
BoundingSphere _initialBound
ref_ptr< ComputeBoundingSphereCallback_computeBoundCallback
BoundingSphere _boundingSphere
bool _boundingSphereComputed
ParentList _parents
ref_ptr< Callback_updateCallback
unsigned int _numChildrenRequiringUpdateTraversal
ref_ptr< Callback_eventCallback
unsigned int _numChildrenRequiringEventTraversal
ref_ptr< Callback_cullCallback
bool _cullingActive
unsigned int _numChildrenWithCullingDisabled
unsigned int _numChildrenWithOccluderNodes
NodeMask _nodeMask
ref_ptr< StateSet_stateset
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

Static Public Member Functions inherited from osg::Referenced
static OpenThreads::MutexgetGlobalReferencedMutex ()
static void setDeleteHandler (DeleteHandler *handler)
static DeleteHandlergetDeleteHandler ()

Detailed Description

Member Typedef Documentation

◆ PerRangeDataList

Constructor & Destructor Documentation

◆ PagedLOD() [1/2]

osg::PagedLOD::PagedLOD ( )

Default constructor The default constructor sets

  • the center mode to USER_DEFINED_CENTER and
  • enables the paging of external children.
    Warning
    The center mode setting of the default constructor differs from the setting of LOD's default constructor! Therefore, the PagedLOD and LOD nodes may show different behaviour with their default settings when using them with the same subgraph. This is a result of the differences in determining the node's center.
    Note
    Though the bounding spheres of both nodes with their default settings will not differ if they have same subgraph.
    See also
    LOD::setCenter, LOD::setRadius

Referenced by META_Node(), and PagedLOD().

◆ PagedLOD() [2/2]

osg::PagedLOD::PagedLOD ( const PagedLOD & ,
const CopyOp & copyop = CopyOp::SHALLOW_COPY )

Copy constructor using CopyOp to manage deep vs shallow copy.

References PagedLOD(), and osg::CopyOp::SHALLOW_COPY.

◆ ~PagedLOD()

virtual osg::PagedLOD::~PagedLOD ( )
protectedvirtual

Member Function Documentation

◆ addChild() [1/6]

template<class T>
bool osg::Group::addChild ( const ref_ptr< T > & child)
inline

◆ addChild() [2/6]

template<class T>
bool osg::PagedLOD::addChild ( const ref_ptr< T > & child,
float rmin,
float rmax )
inline

References addChild(), and osg::ref_ptr< T >::get().

Referenced by addChild().

◆ addChild() [3/6]

template<class T>
bool osg::PagedLOD::addChild ( const ref_ptr< T > & child,
float rmin,
float rmax,
const std::string & filename,
float priorityOffset = 0.0f,
float priorityScale = 1.0f )
inline

References addChild(), and osg::ref_ptr< T >::get().

Referenced by addChild().

◆ addChild() [4/6]

virtual bool osg::PagedLOD::addChild ( Node * child)
virtual

Add Node to Group. If node is not NULL then increment its reference count, add it to the child list and dirty the bounding sphere to force it to recompute on next getBound() and return true for success. Otherwise return false. Scene nodes can't be added as child nodes.

Reimplemented from osg::LOD.

◆ addChild() [5/6]

virtual bool osg::PagedLOD::addChild ( Node * child,
float rmin,
float rmax )
virtual

Reimplemented from osg::LOD.

◆ addChild() [6/6]

virtual bool osg::PagedLOD::addChild ( Node * child,
float rmin,
float rmax,
const std::string & filename,
float priorityOffset = 0.0f,
float priorityScale = 1.0f )
virtual

◆ expandPerRangeDataTo()

void osg::PagedLOD::expandPerRangeDataTo ( unsigned int pos)
protected

◆ getDatabaseOptions() [1/2]

osg::Referenced * osg::PagedLOD::getDatabaseOptions ( )
inline

Get the optional database osgDB::Options object used when reading children.

References _databaseOptions.

◆ getDatabaseOptions() [2/2]

const osg::Referenced * osg::PagedLOD::getDatabaseOptions ( ) const
inline

Get the optional database osgDB::Options object used when reading children.

References _databaseOptions.

◆ getDatabasePath()

const std::string & osg::PagedLOD::getDatabasePath ( ) const
inline

Get the database path used to prepend to children's filenames.

References _databasePath.

◆ getDatabaseRequest() [1/2]

osg::ref_ptr< osg::Referenced > & osg::PagedLOD::getDatabaseRequest ( unsigned int childNo)
inline

Return the DatabaseRequest object used by the DatabasePager to keep track of file load requests being carried on behalf of the DatabasePager. Note, in normal OSG usage you should not set this value yourself, as this will be managed by the osgDB::DatabasePager.

References _perRangeDataList.

◆ getDatabaseRequest() [2/2]

const osg::ref_ptr< osg::Referenced > & osg::PagedLOD::getDatabaseRequest ( unsigned int childNo) const
inline

Return the const DatabaseRequest object.

References _perRangeDataList.

◆ getDisableExternalChildrenPaging()

bool osg::PagedLOD::getDisableExternalChildrenPaging ( ) const
inline

◆ getFileName()

const std::string & osg::PagedLOD::getFileName ( unsigned int childNo) const
inline

References _perRangeDataList.

◆ getFrameNumber()

unsigned osg::PagedLOD::getFrameNumber ( unsigned int childNo) const
inline

References _perRangeDataList.

◆ getFrameNumberOfLastTraversal()

unsigned int osg::PagedLOD::getFrameNumberOfLastTraversal ( ) const
inline

Get the frame number of the last time that this PageLOD node was traversed.

References _frameNumberOfLastTraversal.

◆ getMinimumExpiryFrames()

unsigned int osg::PagedLOD::getMinimumExpiryFrames ( unsigned int childNo) const
inline

References _perRangeDataList.

◆ getMinimumExpiryTime()

double osg::PagedLOD::getMinimumExpiryTime ( unsigned int childNo) const
inline

References _perRangeDataList.

◆ getNumChildrenThatCannotBeExpired()

unsigned int osg::PagedLOD::getNumChildrenThatCannotBeExpired ( ) const
inline

Get the number of children that the PagedLOD must keep around, even if they are older than their expiry time.

References _numChildrenThatCannotBeExpired.

◆ getNumFileNames()

unsigned int osg::PagedLOD::getNumFileNames ( ) const
inline

References _perRangeDataList.

◆ getNumFrameNumbers()

unsigned int osg::PagedLOD::getNumFrameNumbers ( ) const
inline

References _perRangeDataList.

◆ getNumMinimumExpiryFrames()

unsigned int osg::PagedLOD::getNumMinimumExpiryFrames ( ) const
inline

References _perRangeDataList.

◆ getNumMinimumExpiryTimes()

unsigned int osg::PagedLOD::getNumMinimumExpiryTimes ( ) const
inline

References _perRangeDataList.

◆ getNumPriorityOffsets()

unsigned int osg::PagedLOD::getNumPriorityOffsets ( ) const
inline

References _perRangeDataList.

◆ getNumPriorityScales()

unsigned int osg::PagedLOD::getNumPriorityScales ( ) const
inline

References _perRangeDataList.

◆ getNumTimeStamps()

unsigned int osg::PagedLOD::getNumTimeStamps ( ) const
inline

References _perRangeDataList.

◆ getPriorityOffset()

float osg::PagedLOD::getPriorityOffset ( unsigned int childNo) const
inline

References _perRangeDataList.

◆ getPriorityScale()

float osg::PagedLOD::getPriorityScale ( unsigned int childNo) const
inline

References _perRangeDataList.

◆ getTimeStamp()

double osg::PagedLOD::getTimeStamp ( unsigned int childNo) const
inline

References _perRangeDataList.

◆ META_Node()

osg::PagedLOD::META_Node ( osg ,
PagedLOD  )

References PagedLOD().

◆ removeChildren()

virtual bool osg::PagedLOD::removeChildren ( unsigned int pos,
unsigned int numChildrenToRemove = 1 )
virtual

Remove children from Group. Note, must be override by subclasses of Group which add per child attributes.

Reimplemented from osg::LOD.

◆ removeExpiredChildren()

virtual bool osg::PagedLOD::removeExpiredChildren ( double expiryTime,
unsigned int expiryFrame,
NodeList & removedChildren )
virtual

Remove the children from the PagedLOD which haven't been visited since specified expiry time and expiry frame number. The removed children are added to the removeChildren list passed into the method, this allows the children to be deleted later at the caller's discretion. Return true if children are removed, false otherwise.

◆ setDatabaseOptions()

void osg::PagedLOD::setDatabaseOptions ( osg::Referenced * options)
inline

Set the optional database osgDB::Options object to use when reading children.

References _databaseOptions.

◆ setDatabasePath()

void osg::PagedLOD::setDatabasePath ( const std::string & path)

Set the database path to prepend to children's filenames.

◆ setDisableExternalChildrenPaging()

void osg::PagedLOD::setDisableExternalChildrenPaging ( bool flag)
inline

Set whether you want to disable the paging in of external nodes.

References _disableExternalChildrenPaging.

◆ setFileName()

void osg::PagedLOD::setFileName ( unsigned int childNo,
const std::string & filename )
inline

◆ setFrameNumber()

void osg::PagedLOD::setFrameNumber ( unsigned int childNo,
unsigned int frameNumber )
inline

◆ setFrameNumberOfLastTraversal()

void osg::PagedLOD::setFrameNumberOfLastTraversal ( unsigned int frameNumber)
inline

Set the frame number of the last time that this PageLOD node was traversed. Note, this frame number is automatically set by the traverse() method for all traversals (update, cull etc.).

References _frameNumberOfLastTraversal.

◆ setMinimumExpiryFrames()

void osg::PagedLOD::setMinimumExpiryFrames ( unsigned int childNo,
unsigned int minFrames )
inline

Sets the minimum number of frames that must be rendered without a child being traversed before it can be expired.

References _perRangeDataList, and expandPerRangeDataTo().

◆ setMinimumExpiryTime()

void osg::PagedLOD::setMinimumExpiryTime ( unsigned int childNo,
double minTime )
inline

Sets the minimum amount of time, in seconds, that must pass without a child being traversed before it can be expired.

References _perRangeDataList, and expandPerRangeDataTo().

◆ setNumChildrenThatCannotBeExpired()

void osg::PagedLOD::setNumChildrenThatCannotBeExpired ( unsigned int num)
inline

Set the number of children that the PagedLOD must keep around, even if they are older than their expiry time.

References _numChildrenThatCannotBeExpired.

◆ setPriorityOffset()

void osg::PagedLOD::setPriorityOffset ( unsigned int childNo,
float priorityOffset )
inline

◆ setPriorityScale()

void osg::PagedLOD::setPriorityScale ( unsigned int childNo,
float priorityScale )
inline

◆ setTimeStamp()

void osg::PagedLOD::setTimeStamp ( unsigned int childNo,
double timeStamp )
inline

◆ traverse()

virtual void osg::PagedLOD::traverse ( NodeVisitor & )
virtual

Traverse downwards : calls children's accept method with NodeVisitor.

Reimplemented from osg::LOD.

References osg::Group::addChild().

Member Data Documentation

◆ _databaseOptions

ref_ptr<Referenced> osg::PagedLOD::_databaseOptions
protected

◆ _databasePath

std::string osg::PagedLOD::_databasePath
protected

Referenced by getDatabasePath().

◆ _disableExternalChildrenPaging

bool osg::PagedLOD::_disableExternalChildrenPaging
protected

◆ _frameNumberOfLastTraversal

unsigned int osg::PagedLOD::_frameNumberOfLastTraversal
protected

◆ _numChildrenThatCannotBeExpired

unsigned int osg::PagedLOD::_numChildrenThatCannotBeExpired
protected

◆ _perRangeDataList


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