[Insight-users] Deformation mesh??

Luis Ibanez luis.ibanez at kitware.com
Mon Nov 8 09:03:11 EST 2004


Hi Rana,

After reading the email from Marie, and re-reading yours,
it seems that you don't need to go through the process of
applying a Deformable Model.


Since your deformation field is the result of a Image-Based
deformable registration, this field is already indicating
for every point in space where is it final destination point.


Therefore you can rather use the  TransformMeshFilter:

http://www.itk.org/Insight/Doxygen/html/classitk_1_1TransformMeshFilter.html

and connect your BSplineDeformableTransform  as the
Transform of this filter.


   Please let us know if you have further questions,


    Thanks


     Luis


-------------------
Luis Ibanez wrote:

> 
> Hi Rana,
> 
> Yes, you can use any of the two Deformable Model
> implementations available in ITK.
> 
> http://www.itk.org/Insight/Doxygen/html/classitk_1_1DeformableMesh3DFilter.html 
> 
> 
> or
> 
> http://www.itk.org/Insight/Doxygen/html/classitk_1_1DeformableSimplexMesh3DBalloonForceFilter.html 
> 
> 
> The second one is known to be more stable.
> 
> For a full example on how to use these classes,
> you may want to take a look at the application
> 
>    InsightApplications/DeformableModelSimplexMesh
> 
> 
> Where the deformable model is integrated into a GUI
> application.
> 
> 
> Of course, you will have to convert your vtkPolyData to
> an itk::Mesh first.  For that purpose you can follow the
> example on
> 
> 
>       InsightApplications/Auxiliary/vtk/
>                       vtkPolyDataToITKMesh.cxx
> 
> 
> 
> Regards,
> 
> 
>    Luis
> 
> 
> 
> ---------------------------
> Rana HADDAD wrote:
> 
>> Hi every one
>>
>> I have 3d vtkPolyData and I have force field that is calculated and 
>> obtained with itkRegistration (Bspline method) !!
>> I'm trying to apply this field to this mesh3D in order to deform it!!
>> Could you please mention to me the is there any function or class 
>> available in ITK, that I could use for this purpose?
>>
>> Thanks
>> Rana
>>
>>
>>
>>
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>>
>>
> 
> 
> 
> 
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