[vtkusers] display vtkImageData with no interpolation

[Angela Noecker]

What if I don't use ImageViewer, but manage vtkImageActors "manually"?

On Wed, Jun 3, 2015 at 2:32 PM, David Gobbi <david.gobbi at gmail.com> wrote:

> If you display the images with nearest-neighbor interpolation, it should
> give you the results that you want.  In my own pedantic interpretation
> (^_^), displaying an image with "no interpolation" would mean displaying
> each pixel as an infinitesimal point, which isn't really possible.
>
> For a vtkImageActor object or a vtkImageSlice object, the following method
> should work:
>
>     actor->SetInterpolationTypeToNearest();
>
> For vtkImageViewer2,
>
>
> viewer->GetImageActor()->GetProperty()->SetInterpolationTypeToNearest();
>
>  - David
>
>
> On Wed, Jun 3, 2015 at 12:00 PM, Angela Noecker <noeckera at gmail.com>
> wrote:
>
>> Can someone help me figure out how to display vtkImageData such that when
>> I zoom way in I see sharp voxel corners and edges instead of blurry ones.
>> Is this even possible?  I understand that the display of vtkImageData is
>> "point-based" and not "voxel-based."
>>
>> Thanks,
>>
>> Angela
>>
>
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