- H
: vtkCellLocator, vtkPointLocator
- Handle
: vtkMPICommunicatorOpaqueComm, vtkSplineWidget, vtkPlaneWidget, vtkLineWidget, vtkImageTracerWidget, vtkBoxWidget
- HandleActor
: vtkSphereWidget
- HandleBoundaries
: vtkImageSpatialFilter, vtkImageNonMaximumSuppression, vtkImageGradientMagnitude, vtkImageGradient
- HandleDirection
: vtkSphereWidget
- HandleGeometry
: vtkSplineWidget, vtkPlaneWidget, vtkLineWidget, vtkImageTracerWidget, vtkBoxWidget
- HandleGeometryGenerator
: vtkImageTracerWidget
- HandleMapper
: vtkSplineWidget, vtkSphereWidget, vtkPlaneWidget, vtkLineWidget, vtkImageTracerWidget, vtkBoxWidget
- HandleObservers
: vtkInteractorStyle
- HandlePicker
: vtkSplineWidget, vtkPlaneWidget, vtkLineWidget, vtkImageTracerWidget, vtkBoxWidget
- HandlePosition
: vtkSphereWidget
- HandleProperty
: vtkSplineWidget, vtkSphereWidget, vtkPlaneWidget, vtkLineWidget, vtkImageTracerWidget, vtkBoxWidget
- HandleSize
: vtk3DWidget
- HandleSource
: vtkSphereWidget
- HandleVisibility
: vtkSphereWidget
- HasByteCount
: vtkPLOT3DReader
- HashTable
: vtkPointLocator
- HBScale
: vtkMoleculeReaderBase
- Head
: vtkSplitField, vtkRearrangeFields, vtkMergeFields
- Header
: vtkDataWriter, vtkDataReader
- HeaderSize
: vtkVolume16Reader, vtkMCubesReader, vtkImageReader2
- Headlight
: vtkLightKit
- HeadlightColor
: vtkLightKit
- HeadlightWarmth
: vtkLightKit
- Heap
: vtkVRMLAllocator
- Height
: vtkTkRenderWidget, vtkTkImageViewerWidget, vtkArcPlotter, vtkCylinderSource, vtkConeSource, vtkButtonSource
- Heights
: vtkGreedyTerrainDecimation
- Hex
: vtkQuadraticHexahedron
- HexActor
: vtkBoxWidget
- Hexahedron
: vtkUnstructuredGrid, vtkStructuredGrid
- HexFace
: vtkBoxWidget
- HexFaceMapper
: vtkBoxWidget
- HexFacePolyData
: vtkBoxWidget
- HexMapper
: vtkBoxWidget
- HexOutline
: vtkBoxWidget
- HexPicker
: vtkBoxWidget
- HexPolyData
: vtkBoxWidget
- HiCorner
: vtkAMRBox
- HighPoint
: vtkElevationFilter
- HotSpotSize
: vtkPointWidget
- HueLevel
: vtkMILVideoSource
- HueRange
: vtkLookupTable