[Insight-users] computing mesh curvature

[Liam Kurmos]

many thanks Luis,

I hadn't realised there was a curvature filter in vtk. I guess my
introduction to itk will come later.

cheers,

Liam


On Thu, Mar 18, 2010 at 11:11 PM, Luis Ibanez <luis.ibanez at kitware.com> wrote:
> Hi Liam,
>
>
>                           Welcome to ITK !
>
>
> 1) Given that you already have a vtkPolyData as the output
>    of the vtkMarchingCubes filter, you could simply use the
>    vtkCurvatures filter:
>    http://www.vtk.org/doc/release/4.2/html/classvtkCurvatures.html
>
>
>
> 2)  If you want to do the equivalent with ITK,
>     you could use the classes
>
>         Insight/Code/Review/
>            itkQuadEdgeMeshDiscreteCurvatureEstimator.h
>            itkQuadEdgeMeshDiscreteCurvatureTensorEstimator.h
>            itkQuadEdgeMeshDiscreteGaussianCurvatureEstimator.h
>            itkQuadEdgeMeshDiscreteMaxCurvatureEstimator.h
>            itkQuadEdgeMeshDiscreteMeanCurvatureEstimator.h
>            itkQuadEdgeMeshDiscreteMinCurvatureEstimator.h
>            itkQuadEdgeMeshDiscretePrincipalCurvaturesEstimator.h
>
>
> Option (1) is probably the best way to go.
>
>
>      Regards,
>
>
>           Luis
>
>
> --------------------------------------------------------------------------
> On Thu, Mar 18, 2010 at 3:40 PM, Liam Kurmos
> <quantum.leaf at googlemail.com> wrote:
>> Hi,
>>
>> I'm quite new to itk. I've be following this list for awhile as i've
>> known i'll be using it in my phd for sometime, but i am only just now
>> picking it up.
>>
>> I have a mesh (currently a polydata from vtkMarchingCubes on a
>> volume). I'd like to compute the curvature at vertex. Is it straight
>> forward to do this usingitk? if someone can give me some brief
>> pointers as to how best to go about it i'd be very grateful.
>>
>> Liam
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