[vtkusers] cell subset filter?

[David C. Thompson]

>    Is there some type of filter (or some other method to accomplish 
> this) which takes as input an unstructured grid and outputs a subset of 
> that, such that the cells aren't actually copied but just referenced? 
> The closest I've found is vtkExtractUnstructuredGrid, but that allows 
> you to define only one contiguous range of cell ids, whereas I'd like to 
> define an arbitrary list of ids.

Is ParaView/Server/Filters/vtkExtractUserDefinedPiece.h what you're
looking for?

	David