Here is a list of all functions with links to the classes they belong to:

### - u -

- UFOManipulator() : osgGA::UFOManipulator
- unbindBuffer() : osg::GLBufferObject, osg::PixelDataBufferObject
- unbindDrawIndirectBufferObject() : osg::State
- unbindElementBufferObject() : osg::State, osg::VertexArrayState
- unbindPixelBufferObject() : osg::State
- unbindVertexArrayObject() : osg::State
- unbindVertexBufferObject() : osg::State, osg::VertexArrayState
- uncompress() : osgAnimation::Vec3Packed
- unfocus() : osgWidget::EventInterface, osgWidget::Input, osgWidget::NotifyWidget, osgWidget::NullWidget
- Uniform() : osg::Uniform
- UniformBlockInfo() : osg::Program::UniformBlockInfo
- UniformBufferBinding() : osg::UniformBufferBinding
- UniformBufferObject() : osg::UniformBufferObject
- UniformCallback() : osg::UniformCallback
- UniformStack() : osg::State::UniformStack
- unlock() : OpenThreads::Mutex
- unmanaged() : osgWidget::Widget, osgWidget::Window::EmbeddedWindow, osgWidget::Window
- unparented() : osgWidget::Label, osgWidget::Widget, osgWidget::Window::EmbeddedWindow
- unref() : osg::Referenced, osgPresentation::PropertyManager
- unref_nodelete() : osg::Referenced
- unregisterAnimation() : osgAnimation::AnimationManagerBase
- unregisterGraphicsContext() : osg::ContextData, osg::GraphicsContext
- unregisterTerrainTile() : osgTerrain::Terrain
- unregisterVolumeTile() : osgVolume::Volume
- unregisterWindow() : osgViewer::GraphicsWindowWin32
- unregisterWindowProcedure() : osgViewer::GraphicsWindowWin32
- update() : osg::AnimationPathCallback, osg::DrawableUpdateCallback, osg::Image, osg::ImageSequence, osg::NodeTrackerCallback, osgAnimation::Animation, osgAnimation::AnimationManagerBase, osgAnimation::BasicAnimationManager, osgAnimation::Channel, osgAnimation::Motion, osgAnimation::RigGeometry, osgAnimation::StackedMatrixElement, osgAnimation::StackedQuaternionElement, osgAnimation::StackedRotateAxisElement, osgAnimation::StackedScaleElement, osgAnimation::StackedTransform, osgAnimation::StackedTransformElement, osgAnimation::StackedTranslateElement, osgAnimation::TemplateChannel< SamplerType >, osgAnimation::TemplateTarget< T >, osgAnimation::Timeline, osgAnimation::TimelineAnimationManager, osgAnimation::UpdateMaterial, osgAnimation::UpdateMorphGeometry, osgAnimation::UpdateRigGeometry, osgAnimation::UpdateUniform< T >, osgParticle::Particle, osgParticle::ParticleSystem, osgParticle::PrecipitationEffect, osgPresentation::AnimationMaterialCallback, osgPresentation::PropertyAnimation, osgShadow::ParallelSplitShadowMap, osgShadow::ShadowMap, osgShadow::ShadowTechnique, osgShadow::ShadowTexture, osgShadow::ViewDependentShadowMap, osgShadow::ViewDependentShadowTechnique, osgSim::ScalarBar, osgTerrain::DisplacementMappingTechnique, osgTerrain::GeometryTechnique, osgTerrain::TerrainTechnique, osgText::TextBase, osgUtil::SceneView, osgVolume::CompositeLayer, osgVolume::FixedFunctionTechnique, osgVolume::ImageLayer, osgVolume::Layer, osgVolume::MultipassTechnique::MultipassTileData, osgVolume::MultipassTechnique, osgVolume::RayTracedTechnique, osgVolume::TileData, osgVolume::VolumeTechnique, osgWidget::Window
- update_bounds() : osgParticle::ParticleSystem
- UpdateActionVisitor() : osgAnimation::UpdateActionVisitor
- updateAlpha() : osgPresentation::SlideEventHandler
- updateAnimation() : osgAnimation::ActionAnimation
- updateBlock() : osgDB::DatabasePager::ReadQueue, osgDB::DatabasePager::RequestQueue, osgDB::ImagePager::ReadQueue
- UpdateBone() : osgAnimation::UpdateBone
- updateCache() : osg::AutoTransform, osg::Billboard
- updateCalculatedNearFar() : osgUtil::CullVisitor
- updateCamera() : osgGA::CameraManipulator
- updateCurrentDefines() : osg::State::DefineMap
- updateCurrentHPR() : osgSim::DOFTransform
- updateCurrentScale() : osgSim::DOFTransform
- updateCurrentTranslate() : osgSim::DOFTransform
- updateDebugGeometry() : osgShadow::DebugShadowMap::ViewData
- updateDefaultQueryGeometry() : osg::OcclusionQueryNode
- updateDrawBuffers() : osg::FrameBufferObject
- UpdateFloatUniform() : osgAnimation::UpdateFloatUniform
- updateFocus() : osgGA::Widget, osgUI::Widget
- updateImage() : osg::TransferFunction1D
- updateLight() : osgPresentation::SlideEventHandler
- updateMainSubgraphStateSet() : osgSim::OverlayNode
- UpdateMaterial() : osgAnimation::UpdateMaterial
- UpdateMatrixfUniform() : osgAnimation::UpdateMatrixfUniform
- UpdateMatrixTransform() : osgAnimation::UpdateMatrixTransform
- updateModelViewAndProjectionMatrixUniforms() : osg::State
- UpdateMorph() : osgAnimation::UpdateMorph
- UpdateMorphGeometry() : osgAnimation::UpdateMorphGeometry
- updateOperators() : osgPresentation::SlideEventHandler
- updatePosition() : osgPresentation::Cursor
- updatePositionFromInModelCoords() : osgPresentation::SlideShowConstructor
- updatePositions() : osgSim::SphereSegment
- updatePrimitives() : osgSim::SphereSegment
- UpdateRigGeometry() : osgAnimation::UpdateRigGeometry
- updateSceneGraph() : osgDB::DatabasePager, osgDB::ImagePager, osgViewer::Scene
- updateSceneView() : osgViewer::Renderer
- updateSizeFromWindow() : osgWidget::Window::EmbeddedWindow
- UpdateSkeleton() : osgAnimation::Skeleton::UpdateSkeleton
- updateSlave() : osg::View::Slave, osg::View::Slave::UpdateSlaveCallback, osgViewer::View::StereoSlaveCallback
- updateSlaveImplementation() : osg::View::Slave
- updateSlaves() : osg::View
- updateStateSet() : osgFX::MultiTextureControl
- updateTerrainTileOnNextFrame() : osgTerrain::Terrain
- updateTextureCoordIndices() : osgShadow::StandardShadowMap
- updateThreadingModelText() : osgViewer::StatsHandler
- updateTimeStampOfObjectsInCacheWithExternalReferences() : osgDB::ObjectCache, osgDB::Registry
- updateTraversal() : osgViewer::CompositeViewer, osgViewer::Viewer, osgViewer::ViewerBase
- UpdateUniform() : osgAnimation::UpdateUniform< T >
- updateUniforms() : osgUtil::SceneView
- UpdateVec2fUniform() : osgAnimation::UpdateVec2fUniform
- UpdateVec3fUniform() : osgAnimation::UpdateVec3fUniform
- UpdateVec4fUniform() : osgAnimation::UpdateVec4fUniform
- UpdateVisitor() : osgUtil::UpdateVisitor
- UpdateWrapperVersionProxy() : osgDB::UpdateWrapperVersionProxy
- useCursor() : osgViewer::GraphicsWindow, osgViewer::GraphicsWindowWin32
- useFileCache() : osgDB::FileLocationCallback
- useProgram() : osg::Program::PerContextProgram
- UserDataContainer() : osg::UserDataContainer
- useRenderBinDetails() : osg::StateSet
- userEvent() : osgGA::EventQueue
- UserLookupTableProxy() : osgDB::UserLookupTableProxy
- UserSerializer() : osgDB::UserSerializer< C >
- UserStatsLine() : osgViewer::StatsHandler::UserStatsLine
- usesMode() : osg::StateAttribute::ModeUsage
- usesTextureMode() : osg::StateAttribute::ModeUsage
- useVertexArrayObject() : osg::State
- useVertexBufferObject() : osg::State