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

### - u -

- u : pcl::PointUV
- u_axis : pcl::MovingLeastSquares< PointInT, PointOutT >::MLSResult
- ui : ON_SerialNumberMap::MAP_VALUE
- uid : pcl::io::TARHeader
- UINT16 : pcl::PCLPointField
- UINT32 : pcl::PCLPointField
- UINT8 : pcl::PCLPointField
- uname : pcl::io::TARHeader
- UnBind() : vtkVertexBufferObject
- unblock_signal() : pcl::Grabber
- unblock_signals() : pcl::Grabber
- Uncompress() : ON_Buffer , ON_CompressedBuffer
- UNDEF : pcl::recognition::ORRGraph< NodeData >::Node
- undoButton : Ui_MainWindow
- UnhandledPointTypeException() : pcl::UnhandledPointTypeException
- UniformGenerator() : pcl::common::UniformGenerator< T >
- UniformSampling() : pcl::UniformSampling< PointInT >
- unifRand() : pcl::RandomSample< PointT > , pcl::RandomSample< pcl::PCLPointCloud2 >
- Union() : ON_BoundingBox , ON_Interval
- UniqueShapeContext() : pcl::UniqueShapeContext< PointInT, PointOutT, PointRFT >
- Unitize() : ON_2dVector , ON_2fVector , ON_3dVector , ON_3fVector
- UnitizeFaceNormals() : ON_Mesh
- UnitizeVertexNormals() : ON_Mesh
- UnitSystem() : ON_InstanceDefinition
- UnitVector() : ON_2dVector , ON_2fVector , ON_3dVector , ON_3fVector
- unknown : ON_BrepLoop , ON_BrepTrim
- unlock() : Scene
- UnlockCamera() : ON_Viewport
- UnlockFrustumSymmetry() : ON_Viewport
- unobserved_point : pcl::RangeImage
- unobserved_point_ : pcl::BearingAngleImage
- UnorganizedPointCloudException() : pcl::UnorganizedPointCloudException
- unregisterDepthCallback() : openni_wrapper::OpenNIDevice
- unregisterImageCallback() : openni_wrapper::OpenNIDevice
- unregisterIRCallback() : openni_wrapper::OpenNIDevice
- unset() : pcl::MaskMap
- unset_mesh_style : ON_MeshParameters
- UnsetCheckSum : ON_CheckSum
- UnsetColor : ON_Color
- UnsetPersistentLocking() : ON_Layer
- UnsetPersistentVisibility() : ON_Layer
- UnsetPerViewportPersistentVisibility() : ON_Layer
- UnsetPlaneEquation : ON_PlaneEquation
- UnsetPlineEdgeParameters() : ON_BrepEdge , ON_BrepTrim
- UnsetPoint : ON_2dPoint , ON_3dPoint
- UnsetVector : ON_2dVector , ON_3dVector
- UnsignedCount() : ON_ClassArray< T > , ON_SimpleArray< T >
- update() : pcl::PCA< PointT > , pcl::tracking::ParticleFilterTracker< PointInT, StateT >
- Update() : vtkVertexBufferObjectMapper
- update_visualizer_ : pcl::Registration< PointSource, PointTarget, Scalar >
- updateCamera() : pcl::visualization::PCLVisualizer
- updateColorHandlerIndex() : pcl::visualization::PCLVisualizer
- updateCoordinateSystemPose() : pcl::visualization::PCLVisualizer
- updateCorrespondences() : pcl::visualization::PCLVisualizer
- updateDerivatives() : pcl::NormalDistributionsTransform< PointSource, PointTarget >
- updateDeviceList() : openni_wrapper::OpenNIDriver
- UpdateDoublePrecisionVertices() : ON_Mesh
- updatedScoreAccordingToNeighborValues() : pcl::RangeImageBorderExtractor
- updatedScoresAccordingToNeighborValues() : pcl::RangeImageBorderExtractor
- UpdateEquation() : ON_Plane
- updateFeatureHistogram() : pcl::visualization::PCLHistogramVisualizer
- updateHardSegmentation() : pcl::GrabCut< PointT >
- updateHeight() : pcl::people::PersonCluster< PointT >
- updateHessian() : pcl::NormalDistributionsTransform< PointSource, PointTarget >
- UpdateImplementationSettings() : ON_Font
- updateIntermediateCloud() : pcl::RegistrationVisualizer< PointSource, PointTarget >
- updateIntervalMT() : pcl::NormalDistributionsTransform< PointSource, PointTarget >
- UpdateLinkedIdefLayerSettings() : ON_InstanceDefinition
- UpdateLinkedIdefParentLayerSettings() : ON_InstanceDefinition
- UpdateLinkedIdefReferenceFileLayerRuntimeId() : ON_InstanceDefinition
- UpdateLinkedIdefReferenceFileLayerSettings() : ON_InstanceDefinition
- updateMinMaxPoints() : pcl::people::GroundBasedPeopleDetectionApp< PointT >
- updateModeMaps() : pcl::OpenNIGrabber
- updatePointCloud() : pcl::visualization::PCLVisualizer
- updatePointCloudPose() : pcl::visualization::PCLVisualizer
- updatePolygonMesh() : pcl::visualization::PCLVisualizer
- updateScoresAccordingToNeighborValues() : pcl::RangeImageBorderExtractor
- updateShapePose() : pcl::visualization::PCLVisualizer
- UpdateSinglePrecisionVertices() : ON_Mesh
- updateSource() : pcl::registration::CorrespondenceRejectionOrganizedBoundary
- updateSphere() : pcl::visualization::PCLVisualizer
- updateText() : pcl::visualization::PCLVisualizer
- UpdateViewportIds() : ON_Layer
- updateVoxelCenter() : pcl::outofcore::OutofcoreOctreeNodeMetadata
- updateVoxelData() : OutofcoreCloud
- updateWindowPositions() : pcl::visualization::PCLHistogramVisualizer
- Upload() : vtkVertexBufferObject
- UploadColors() : vtkVertexBufferObject
- UploadNormals() : vtkVertexBufferObject
- upSample() : pcl::poisson::BSplineElements< Degree >
- upsample_method_ : pcl::MovingLeastSquares< PointInT, PointOutT >
- UpSampleData() : pcl::poisson::UpSampleData
- upsampling_radius_ : pcl::MovingLeastSquares< PointInT, PointOutT >
- upsampling_step_ : pcl::MovingLeastSquares< PointInT, PointOutT >
- UpsamplingMethod : pcl::MovingLeastSquares< PointInT, PointOutT >
- uri_ : pcl::io::openni2::OpenNI2DeviceInfo
- URL() : ON_InstanceDefinition
- URL_Tag() : ON_InstanceDefinition
- UrlDecode() : ON_wString
- UrlEncode() : ON_wString
- Usage : vtkVertexBufferObject
- USBRxControlData() : pcl::DinastGrabber
- USBTxControlData() : pcl::DinastGrabber
- use_cache_ : pcl::PFHEstimation< PointInT, PointNT, PointOutT >
- use_change_detector_ : pcl::tracking::ParticleFilterTracker< PointInT, StateT >
- use_correspondence_weights_ : pcl::registration::TransformationEstimationPointToPlaneWeighted< PointSource, PointTarget, MatScalar >
- use_distance_weight_ : pcl::Hough3DGrouping< PointModelT, PointSceneT, PointModelRfT, PointSceneRfT >
- use_given_centroid_ : pcl::VFHEstimation< PointInT, PointNT, PointOutT >
- use_given_normal_ : pcl::VFHEstimation< PointInT, PointNT, PointOutT >
- use_indices_ : pcl::PCLBase< PointT > , pcl::PCLBase< pcl::PCLPointCloud2 >
- USE_INITIAL_LABELS : pcl::ism::ImplicitShapeModelEstimation< FeatureSize, PointT, NormalT >
- use_interpolation_ : pcl::Hough3DGrouping< PointModelT, PointSceneT, PointModelRfT, PointSceneRfT >
- use_normal_ : pcl::tracking::ParticleFilterTracker< PointInT, StateT >
- use_reciprocal_correspondence_ : pcl::IterativeClosestPoint< PointSource, PointTarget, Scalar >
- use_recursive_scale_reduction : pcl::NarfKeypoint::Parameters
- use_sensor_origin_ : pcl::NormalEstimation< PointInT, PointOutT >
- use_trigger_ : OpenNICapture
- use_umeyama_ : pcl::registration::TransformationEstimationSVD< PointSource, PointTarget, Scalar >
- use_vbos_ : pcl::visualization::PCLVisualizerInteractorStyle
- UseAllocator() : pcl::poisson::OctNode< NodeData, Real > , pcl::poisson::SparseMatrix< T >
- UseIndex : pcl::poisson::TreeNodeData
- useNormalsAsRotationAxis() : pcl::SpinImageEstimation< PointInT, PointNT, PointOutT >
- user_data_ : pcl::recognition::ModelLibrary::Model , pcl::recognition::ObjRecRANSAC::Output , pcl::recognition::ORROctree::Node::Data
- user_filter_value_ : pcl::ConditionalRemoval< PointT > , pcl::FilterIndices< PointT > , pcl::FilterIndices< pcl::PCLPointCloud2 >
- user_table : ON_BinaryArchive
- userdata_settings : ON_Layer
- UserDataClassUuid() : ON_UserData
- UserPositionedText() : ON_Annotation2 , ON_Annotation
- userpositionedtext_pt_index : ON_AngularDimension2 , ON_LinearDimension2
- UserStringCount() : ON_Object
- UserText() : ON_Annotation2 , ON_Annotation
- useSensorOriginAsViewPoint() : pcl::IntegralImageNormalEstimation< PointInT, PointOutT > , pcl::NormalEstimation< PointInT, PointOutT >
- UsesIDef() : ONX_Model
- ustar : pcl::io::TARHeader
- ustar_version : pcl::io::TARHeader
- Uuid() : ON_ClassId , ON_InstanceDefinition
- UvIndex() : pcl::texture_mapping::UvIndex , pcl::TextureMapping< PointInT >