[vtkusers] grid reslice
david.gobbi at gmail.com
Tue Jan 27 16:49:07 EST 2015
I still don't know what I'm looking at. Especially when the two images are
at completely different scales (the deformed image is ridiculously small).
Maybe you can annotate them?
On Tue, Jan 27, 2015 at 2:33 PM, Young, Ryan <
Ryan.Young at seattlechildrens.org> wrote:
> Sure. I used a slight larger (15 voxel in the x direction) deformation so
> that the effect is drastic.
> Thanks again,
> *From:* David Gobbi [david.gobbi at gmail.com]
> *Sent:* Monday, January 26, 2015 6:18 PM
> *To:* Young, Ryan
> *Cc:* vtkusers at vtk.org
> *Subject:* Re: [vtkusers] grid reslice
> Hi Ryan,
> Can you attach your image both with and _without_ deformation?
> I looked at the image but couldn't make any sense of it.
> - David
> On Mon, Jan 26, 2015 at 6:29 PM, Young, Ryan <
> Ryan.Young at seattlechildrens.org> wrote:
>> I have a vector field that has the displacement vector for each voxel in
>> a volume. I am trying to apply this deformation and visualize the
>> results. The difficulty I am have is that the deformation only exist for
>> the voxels inside the volume, not globally in the whole space. If I set the
>> displacement to zeros outside the volume I get poor results.
>> My toy example is just do to a 10 voxel shift in the x direction The
>> volume is padded with zeros so there is plenty of room. The result is an
>> image missing about ten voxels. See attached picture. If I make a similar
>> deformation that exist at all voxels, the result is as expect. Any advice.
>> Also, a code snippet is below.
>> Thanks in advanced
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