[vtkusers] VTKImageReslice: slow performance.

[David Gobbi]

Hi Abhishek,

It's the Update() method is what actually executes the filter. GetOutput()
is just a getter method that returns a pointer.

Can you provide a short code snippet so that we can see exactly how you are
using vtkImageReslice?

  David

On Fri, Jul 5, 2019 at 3:55 AM abhishek <abhishek at meddiff.com> wrote:

> Hello Group, I am having performance issues while extracting
> SAGGITAL/CORONAL
> planes using VTKImageReslice. Each call to VTKImageReslice->GetOutput()
> takes 5-7 ms.
>
> The volume used has the following properties:
> 1. Dimensions: 512x512x297
> 2. Pixel spacing: 0.4x0.4x0.7
> 3. Scalar type: Unsigned Int16
> 4. Number of components: 1 (Monochrome).
>
> System & Build environment:
> 1. Windows 7, 12GB RAM, i3 processor.
> 2. Visual studio 2013
> 2. VTK 7.1.1
> 3. WPF for UI
>
> Are there any known considerations for making VTKImageReslice fast?
>
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