Problem

[Lili Liu]

What should I do, if I want to move a plane inside a 3D data grid by using
mouse, when I choose a random place and stop, then gather the updated data
of the plane such as its origin, normal etc., so that I can use that
plane to cut the 3D grid at the place I choose? I also need to get the
grid data on that cut surface. 

Thank you very much.

Lili Liu 


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