[vtkusers] vtkPicker returned actor

[David Gobbi]

On Sun, Feb 28, 2016 at 10:41 AM, Lonni Besançon <lonni.besancon at gmail.com>
wrote:

> I'm using
>   - vtkVolume with a vtkOpenGLGPUVolumeRayCastMapper mapper
>   - vtkImageReslice for the slicing plane
>

So if you are picking the vtkVolume, i.e. if picker->GetVolume() returns
a vtkVolume, then GetMapperCoords() returns the actual data coords in
the volume.

For the slice, I still don't have enough info to give you an answer.  You
need to give me the names of all the VTK classes in your pipeline and
tell me specifically how they are connected.  You still haven't even told
me what mapper you are using to display the slice.

 - David
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