Merge Blocks (MergeBlocks)
 
vtkCompositeDataToUnstructuredGridFilter appends all vtkDataSet
leaves of the input composite dataset to a single unstructure grid. The
subtree to be combined can be choosen using the SubTreeCompositeIndex. If
the SubTreeCompositeIndex is a leaf node, then no appending is required.
PropertyDescriptionDefault Value(s)Restrictions
Input
(Input)
Set the input composite dataset.  

The selected dataset must be one of the following types (or a subclass of one of them): vtkCompositeDataSet.