[Paraview] Retrieving tuples from dataset

[Natalie Happenhofer]

Hi!
I´m having trouble retrieving the data from a vector-valued vtkDoubleArray, my code looks like this:

double tuple[3]; //tuple should be stored in this array
scalars -> GetTupleValue(i,tuple);

The first component, i.e. tuple[0] is retrieved properly, but tuple[1] and tuple[2] are definitely wrong, does anyone see the reason? 
(the array has 3 components, that´s checked). 
Or is there any other method I could use?

thx,
Natalie

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