[vtkusers] estimating the long axis of a tube in 3D

David.Pont at ensisjv.com David.Pont at ensisjv.com
Mon Dec 18 15:15:40 EST 2006


"Boettcher, Dr. Peter" <Boettcher at kleintierklinik.uni-leipzig.de> wrote on
19/12/2006 04:32:15:

> Hi all
>
> For reference I use a plastic tube during CT scanning of a joint in
> different positions. After 3D-reconstruction of the tube I would
> like to calculate the central long-axis of the 3D-tube.
>
> Any comment would be appreciated!
>
> Regards, Peter.
>
Hi Peter,
  vtkOBBTree has a member function ComputeOBB which looks useful, but would
require you to extract the tube into a data set of its own, ie with no
other points / cells.

  Dave P
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