[vtkusers] Retrieving Data from vtkImageData class for matlab/tcl

[Surajit Nundy]

This is probably a naive question, my apologies.

I have a vtkImageData object from which I'd like to retrieve the Data in
double/float form and operate on it in Matlab (I think my question also applies
to tcl).  How can I do this?  I have tried the GetPoint, GetCell,
GetScalarComponentAsFloat methods to no avail.

Thanks,
Surajit Nundy