[vtkusers] How can I get the data , such as position, points of every vertex, of a boxwiget, after it is scaled or ratated???

[Xu Bin]

hello ,

I place a boxwiget in my render window and I can use mouse to control
this boxwiget. The question is:After the boxwiget is rotated or
scaled, How can I get  some data ,such as position, points of every
vertex, of this boxwiget???

thanks.

-- 
xubin