VTK/VTK 6 Migration Guide
Replacement of SetInput() with SetInputData() and SetInputConnection()
Removal of GetProducerPort() from vtkDataObject
Removal of GetPipelineInformation and GetExecutive from vtkDataObject
Removal of Pipeline Update Methods from vtkDataObject
Removal of ExecuteInformation() and ExecuteData() from Algorithm Superclasses
Removal of SetExtentTranslator and GetExtentTranslator from vtkDataObject
Removal of CopyInformation and CopyTypeSpecificInformation from vtkDataObject and vtkImageData
Removal of GetEstimatedMemorySize() method from vtkDataObject and vtkImageData
Removal of SetWholeExtent() from vtkDataObject
Removal of ShouldIReleaseData() and ReleaseDataFlag methods from vtkDataObject
Removal of vtkDataObject Methods for Manipulating Update Extent