[vtkusers] extracting a ROI in vtkImageData

[Daniel Haehn]

Hi martin,

You could use a pipeline of vtkimagereslice and vtkimagethreshold.

Hth,
Daniel

mloepp <mloepp at bwh.harvard.edu> wrote:

>Hello vtk-users,
>
>I'm new in developing in vtk and having some trouble to extract a region of
>interest.
>
>I've got a medical image (*.nrrd) which I've cropped to extract just one
>axial layer.
>Now I'd like to set a point inside the ROI and extract all voxels in this
>layer which have a specific intensity value.
>
>I can't find any vtk class in which I can set as an input a vtkImageData,
>and extract my ROI by setting an intensity condition. The output should
>also be a vtkImageDate.
>
>Any ideas how I can do this?
>
>Thanks in advance,
>Martin
>
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