- u -

• UNCHANGED : fvMesh , polyMesh , surfMesh
• UNCOMPRESSED : IOstream
• UNDEFINED : token
• UNION : booleanSurface
• UNKNOWN : phaseProperties , triSurfaceTools
• unknown : volumeType
• UNMODIFIED : fileMonitor
• UNSET : cellClassification
• UNSIGNED_INTEGER_32 : token
• UNSIGNED_INTEGER_64 : token
• UNSPECIFIED : cyclicTransform
• UNSTRUCTURED_GRID : vtkUnstructuredReader
• UNVISITED : orientedSurface