I suspect that the presence and expansion of the VTK_EXPECTS macro in the method's signature incorrectly interferes with the name mangling in debug mode, hence the undefined reference error.
I forgot to present the corresponding error message (linker): undefined reference to `vtkAOSDataArrayTemplate<int>::GetTypedTuple(long long, int*) const' collect2.exe: error: ld returned 1 exit status
VTK 9.3 not compilable in debug mode.
New version: 2.0 with three new tasks: geobody ...
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