ParaView Generic Stream Tracer
The Generic Stream Tracer filter works on GenericDataSet objects. GenericDataSet is an abstract class. It is usually used for unstructured grids with higher order elements. The reader must return a GenericDataSet object for this option to become available. See Stream Tracer for more details on the Stream Tracer filter.
This filter does not appear to be available in ParaView 3.2.1.