[vtkusers] Difference between AddArray, SetScalars, SetVectors

[David Doria]

On Thu, Oct 22, 2009 at 3:53 PM, Dominik Szczerba <dominik at itis.ethz.ch> wrote:
> 'Set' sets the current one, 'add' adds to the list you can chose from later.
> The concept of scalars, vectors and field data (arbitrary arrays) is not
> fully clear to me, but I usually go for the arrays.
>

Now that you said "current", I looked and saw the SetActive* functions
that I had never seen/used before. Interesting - what is the idea of
having multiple data sets that you can set one at a time to "active"?

Can anyone clarify for Dominik and I vectors vs scalars vs arrays?

Thanks,

David