Hi,
I'm programming a plugin which writes in a file the ids of the current selected
cells in the vtkUnstructuredGrid displayed in ParaView. In my code I write
something like this:
pqSelectionManager* selMan =
(pqSelectionManager*)(pqApplicationCore::instance()->manager("SelectionManager"));
pqOutputPort* port = selMan->getSelectedPort();
vtkSMSourceProxy* activeSelection=port->getSelectionInput();
and get the property "IDs", just like the pqExtractSelectionsPanel class does.
Of course, if the user made a selection by Frustum or Threshold, I should get
the properties "Frustum" or "Thresholds" respectively, but they wouldn't
"store" the cell id's, but some other information. I'm wondering if there is a
way to convert a selection from frustum and/or threshold (or any other type) to
a selection by IDs, that is: getting the IDs of the cells from a Frustum
selection. I've been looking at classes vtkSelectionConverter and
vtkPConvertSelection, but couldn't figure out a way of doing this. How can it
be made ?
Thanks for any help,
Rafael March.
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