[Paraview] 3D Deformable Registration Deformation Field

[Kevin Ming]

Hi,

I was able to get a deformation field output from my 3D deformable
registration, but it's not what I was expecting to see:  There seem to be 64
sets of arrows, which is good because it corresponds to the 64 slices of MRI
data I used.  But each of the sets of arrows, supposedly from each of the
slices, seem to originate from a single point on a line.  I was expecting to
see the field in a manner similar to that of the 2D deformable registration
examples, where arrows are located on the images in plane, showing what
features have moved and where they have moved to.  Is it possible to get
that in the 3D case?  Are there other ways of visualizing 3D deformation
fields in ParaView?

Note that my fixed, moving, and output images for the registration are in
the ANALYZE format (.hdr and .img files) and my deformation field is in the
Meta image file format (.mhd and .raw files).


Thank You,
Kevin
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