[ITK-users] [ITK] Extract slice from ResampleFilter

[Dženan Zukić]

Hi Sidharta,

just changing the size of the output image should not affect its
orientation. Can you share the code with comments which line you added to
try changing the size?

Regards,
Dženan Zukić, PhD, Senior R&D Engineer, Kitware (Carrboro, N.C.)

On Thu, May 11, 2017 at 11:20 AM, sidharta <sidharta.gupta93 at gmail.com>
wrote:

> Dear  Dženan,
>
> First of all, thank you for all your help.
>
> So, from the previous posts I was able to resample the CBCT image so that
> it
> lies in the direction of the Trajectory. So far so good. Now, I am trying
> to
> extract only a part of the volume in this resampled image. So, I figure
> that
> since I already calculated the direction, I could just set the size of the
> output image to be what I want in the "ResampleImageFilter" and it should
> work fine. However, when I do this, the extracted volume is in a different
> direction than I assumed it to be. For example,
>
> <http://itk-users.7.n7.nabble.com/file/n38228/Capture.png>
>
> In the above image, I assumed the part of the volume that I extract is
> actually in the direction shown in the "Green" line, however I instead get
> the volume along the "Red" line. Why is this so? The direction I calculate
> for the "ResampleImageFilter" was essentially along the "Green" line.
>
> Additionally, what I am trying to do, is this not possible with the
> "ResampleImageFilter"? Do I need to extract the volume using the
> "ExtractImageFilter" instead?
>
> Thank you for your time
> Sidharta
>
>
>
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