[Kiwiviewer] volume modification

[高宇]

DEAR AASHISH:
          Thanks a lot about your helps on VES.What a pretty kind and patient engineer u r!  Thanks very very much.
          Under your instruction, I've already konw how the ves works and code some practice programme.Now I want to ask a solution of modification volume.
          After I searching the ves and vtk(with document). There's no solution about how to modify a volume.It means I touch the volume and the volume change a little from the point I touched.
          I think if I do this work, I will use a picker in VTK to get the part of volume. and then to change it .But I don't know whether there is an algorithm to do this? Or you can advise me some new solutions?
         I struggled to solve this.I need your help~
 

                           BEST BEST REGARDS~  THANK YOU~
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