[vtkusers] How to output a list of vtkImageData from filter

[the_shark]

Hello,

I am generating in my filter a set of vtkImageData that I get from
extracting specific VOIs from one volume.
I end up having a map of <int id_VoI, vtksmartPointer<vtkImagedata>VoI>
inside the filter.

I want to output that through RequestData() but it seems I can't figure out
how to put all VOIs in a list and pass them to the output. In the end the
mapper can receive this output ( list of vtkimageData) and render each voi. 

Any help is appreciated. 

Thank you!



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