susan wrote:
>
>     I am eager to know the VTK detailed data structure  especially vtkstructuredpoint.Is there any information available about this?
> thanks for any advise !
Susan,
     The textbook (http://shop.store.yahoo.com/kitware/) has
some info, and of course there's always the source code...
http://www.vtk.org/get-software.php
-Jeremy