[vtkusers] How to store rendered volume in memory :: Help Needed

[cspl]

Hi all,
   Is there any way to store the entire volume, after rendering, into a buffer. I have applied MIP on the volume and rendered the volume. Now i  want to store the rendered volume into a buffer for further processing. If i give 5 images as input then i should able to store all the 5 rendered images in buffer. Is there any function which will help me in this regard.

   Thanks in advance.

-Regard,
   Sateesh.
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