[vtkusers] initializing vtk array from std::vector for charting

[arasu]

I have data that is stored in std::vector - one for the X axis and one for the y axis. How do I get this into vtkarray / vtkTable for plotting - other than iterate through the vector and setting values one by one (there is a lot of data ).  my data is either std::vector<double> or std::vector<unsigned short>.   
Is there a way to assign a pointer from my data to the vtkarray, or at least do a bulk copy of all the data rather than individually setting the values.
Thanks in advance,
-Arasu
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