[vtkusers] Problems using vtkConnectivityFilter on Image Data

[Bill Lorensen]

David,

Should you add your ImageSegmentation as an External Module?

Bill

On Fri, Nov 6, 2015 at 12:49 PM, David Gobbi <david.gobbi at gmail.com> wrote:
> Hi Darya,
>
> The vtkConnectivityFilter is meant for use on mesh data.  It suspect
> that when you used it on image data, it caused your computer to run
> out of memory.
>
> I have a connectivity filter that I wrote specifically for images, but it
> is on github.  I haven't contributed it to VTK yet.  But you can try it
> if you are interested:
>
> https://github.com/dgobbi/AIRS/tree/master/ImageSegmentation
>
> You can also try the vtkImageThresholdConnectivity filter that comes
> with VTK:
> http://www.vtk.org/doc/nightly/html/classvtkImageThresholdConnectivity.html
>
>  - David
>
>
>
> On Fri, Nov 6, 2015 at 10:36 AM, Darya Yelshyna via vtkusers
> <vtkusers at vtk.org> wrote:
>>
>> Hi everyone!
>>
>> I was trying to apply vtkConnectivityFilter to vtkImageData, but the
>> program crashes at this step.
>> "This application has requested the Runtime to terminate it in an unusual
>> way." This is this a part of my code:
>>
>> dilateFilter = vtk.vtkImageContinuousDilate3D()
>> dilateFilter.SetKernelSize(5, 5, 5)
>> dilateFilter.SetInputConnection(logic2.GetOutputPort())
>> dilateFilter.Update()
>>
>> connectFilter = vtk.vtkConnectivityFilter()
>> connectFilter.SetExtractionModeToLargestRegion()
>> connectFilter.SetInputConnection(dilateFilter.GetOutputPort())
>> connectFilter.Update()
>>
>> I don't understand what is happening.. Can anybody help me?
>>
>> Thank you in advance.
>>
>> Best regards,
>> Darya
>>
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>
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