[vtkusers] Applying same transfomation to multiple object

[Vardhman Jain]

Hi,
        Consider a scene in which there is a table and its legs, I
have rendered table using, say Disc and legs using cylinder, now how
do I make a transformation to both of them simultaneously. Does
vtkCollection help in achieving this?

 In open GL there is this Push and Pop Matrix fundamental, anything
similar to VTK ?

Any code example/snip would be very helpful.
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