[vtkusers] vtkHarswareSelector and vtkMultiBlockDataSet

[R M]

Hello,

I want to select cells  or points in my application. The geometry is a vtkMultiBlockDataset  of vtkUnstructuredGrid.
I try to use the vtkHardwareSelector but I have a no good selection (no cells selection whereas visible, selection of unvisible cells)

So I must do something wrong but don't know what.

How should I manage the selection of visible cells and points on a vtkMultiBlockDataset  of vtkUnstructuredGrid ? 


I really don't know anymore how to manage this.

Any ideas wil be very very welcome.

Thank you.
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