Here is a list of all documented class members with links to the class documentation for each member:

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• Object() : osg::Object
• OBJECT_COORDS_WITH_MAXIMUM_SCREEN_SIZE_CAPPED_BY_FONT_HEIGHT : osgText::TextBase
• objectDeleted() : osg::Observer
• ObjectIndex : osgDB::ExternalFileWriter
• ObjectPropertyMap : osgDB::ClassInterface
• ObjectsSet : osgDB::ExternalFileWriter
• observer_ptr() : osg::observer_ptr< T >
• OccluderNode() : osg::OccluderNode
• OFF : osg::StateAttribute
• offsetAndScaleImage() : osgVolume::ImageLayer
• ON : osg::StateAttribute
• ONCE_PER_ATTRIBUTE : osg::State
• ONCE_PER_FRAME : osg::State
• openArchive() : osgDB::ReaderWriter
• operate() : osgParticle::AccelOperator , osgParticle::AngularAccelOperator , osgParticle::AngularDampingOperator , osgParticle::DampingOperator , osgParticle::DomainOperator , osgParticle::ExplosionOperator , osgParticle::FluidFrictionOperator , osgParticle::ForceOperator , osgParticle::Operator , osgParticle::OrbitOperator
• operateParticles() : osgParticle::Operator
• operator()() : osg::AnimationPathCallback , osg::BarrierOperation , osg::Camera::DrawCallback , osg::ClusterCullingCallback , osg::GraphicsOperation , osg::Image::UpdateCallback , osg::NodeCallback , osg::NodeTrackerCallback , osg::Operation , osg::ScriptNodeCallback , osg::StateAttributeCallback , osg::StateSet::Callback , osg::UniformCallback , osgAnimation::AnimationManagerBase , osgAnimation::Skeleton::UpdateSkeleton , osgAnimation::UpdateBone , osgAnimation::UpdateMaterial , osgAnimation::UpdateMatrixTransform , osgAnimation::UpdateMorph , osgAnimation::UpdateUniform< T > , osgGA::EventHandler , osgPresentation::AnimationMaterialCallback , osgPresentation::CompileSlideCallback , osgPresentation::ImageSequenceUpdateCallback , osgPresentation::PropertyAnimation , osgShadow::ShadowTechnique::CameraCullCallback , osgUtil::TransformCallback , osgViewer::Renderer
• operator*() : osg::Matrixf , osg::Quat , osg::Vec2b , osg::Vec2d , osg::Vec2f , osg::Vec2ub , osg::Vec3b , osg::Vec3d , osg::Vec3f , osg::Vec3i , osg::Vec3s , osg::Vec3ub , osg::Vec3ui , osg::Vec3us , osg::Vec4b , osg::Vec4d , osg::Vec4f , osg::Vec4s , osg::Vec4ub , osg::Vec4us
• operator*=() : osg::Matrixf , osg::Quat , osg::Vec2b , osg::Vec2d , osg::Vec2f , osg::Vec2ub , osg::Vec3b , osg::Vec3d , osg::Vec3f , osg::Vec3s , osg::Vec3ub , osg::Vec3us , osg::Vec4b , osg::Vec4d , osg::Vec4f , osg::Vec4s , osg::Vec4ub , osg::Vec4us
• operator+() : osg::Matrixf , osg::Quat , osg::Vec2b , osg::Vec2d , osg::Vec2f , osg::Vec2ub , osg::Vec3b , osg::Vec3d , osg::Vec3f , osg::Vec3s , osg::Vec3ub , osg::Vec3us , osg::Vec4b , osg::Vec4d , osg::Vec4f , osg::Vec4s , osg::Vec4ub , osg::Vec4us , osgSim::GeographicLocation
• operator++() : osg::Image::DataIterator
• operator+=() : osg::Matrixf , osg::Quat , osg::Vec2b , osg::Vec2d , osg::Vec2f , osg::Vec2ub , osg::Vec3b , osg::Vec3d , osg::Vec3f , osg::Vec3s , osg::Vec3ub , osg::Vec3us , osg::Vec4b , osg::Vec4d , osg::Vec4f , osg::Vec4s , osg::Vec4ub , osg::Vec4us
• operator-() : osg::Quat , osg::Vec2b , osg::Vec2d , osg::Vec2f , osg::Vec2ub , osg::Vec3b , osg::Vec3d , osg::Vec3f , osg::Vec3s , osg::Vec3ub , osg::Vec3us , osg::Vec4b , osg::Vec4d , osg::Vec4f , osg::Vec4s , osg::Vec4ub , osg::Vec4us , osgSim::GeographicLocation
• operator-=() : osg::Quat , osg::Vec2b , osg::Vec2d , osg::Vec2f , osg::Vec2ub , osg::Vec3b , osg::Vec3d , osg::Vec3f , osg::Vec3s , osg::Vec3ub , osg::Vec3us , osg::Vec4b , osg::Vec4d , osg::Vec4f , osg::Vec4s , osg::Vec4ub , osg::Vec4us
• operator/() : osg::Matrixf , osg::Quat , osg::Vec2b , osg::Vec2d , osg::Vec2f , osg::Vec2ub , osg::Vec3b , osg::Vec3d , osg::Vec3f , osg::Vec3s , osg::Vec3ub , osg::Vec3us , osg::Vec4b , osg::Vec4d , osg::Vec4f , osg::Vec4s , osg::Vec4ub , osg::Vec4us
• operator/=() : osg::Matrixf , osg::Quat , osg::Vec2b , osg::Vec2d , osg::Vec2f , osg::Vec2ub , osg::Vec3b , osg::Vec3d , osg::Vec3f , osg::Vec3s , osg::Vec3ub , osg::Vec3us , osg::Vec4b , osg::Vec4d , osg::Vec4f , osg::Vec4s , osg::Vec4ub , osg::Vec4us
• operator<() : osg::Plane , osgParticle::Particle
• operator=() : osg::CollectOccludersVisitor , osgDB::DynamicLibrary , osgGA::Device , osgGA::EventQueue , osgGA::EventVisitor , osgUtil::CullVisitor , osgUtil::UpdateVisitor
• operator==() : osg::observer_ptr< T > , osgText::Style
• operator[]() : osg::ArgumentParser
• operator^() : osg::Vec3d , osg::Vec3f
• optimize() : osgUtil::Optimizer
• Orientation : osgSim::ScalarBar
• ortho() : osg::Matrixd , osg::Matrixf
• ortho2D() : osg::Matrixd , osg::Matrixf
• orthoNormalize() : osg::Matrixd , osg::Matrixf
• OSGNV_PARAMETER_BLOCK : osg::StateAttribute
• OSGNVCG_PROGRAM : osg::StateAttribute
• osgUtil::StateGraph : osgUtil::RenderLeaf
• Outline() : osgFX::Outline
• OVERRIDE : osg::StateAttribute
• OverrideValue : osg::StateAttribute