[Insight-users] How to do an affine transform on one 3D point set in ITK?

[Tao Dai]

Hi, Andreas:

Thanks!

however I can't find the TransformMeshFilter usage in the ItkSoftwareGuide.
Do I miss anything?

Tao

On Fri, Mar 20, 2009 at 11:56 AM, Andreas Schuh <
andreas.schuh.84 at googlemail.com> wrote:

> Hi Tao,
>
> in ITK you can use itk::Mesh to represent your data and apply the
> itk::TransformMeshFilter to transform the points using an
> itk::AffineTransform. Be aware that the transformation differs for
> itk::Point and itk::Vector.
>
> --
> regards
> Andreas
>
> Am 20.03.2009 um 19:42 schrieb Andreas Schuh <
> andreas.schuh.84 at googlemail.com>:
>
>
>  Hi Tao,
>>
>> there might be a way to do this with ITK. However, from the kind of your
>> data, the VTK might be better suited. The data you describe is represented
>> in VTK as vtkUnstructuredGrid, where the cells are 0D (i.e. points). This
>> data can be transformed using the vtkTransformFilter.
>>
>> Whether you may want to use the VTK instead of ITK is dependent on your
>> further purpose.
>>
>> --
>> regards
>> Andreas
>>
>> Am 20.03.2009 um 18:49 schrieb Tao Dai <uniquedai at gmail.com>:
>>
>>  Hi, All:
>>>
>>> I have a 3D point set (not an image) to be affine transformed to another
>>> 3D point set. I tried but failed.  Anybody knows how to implement this using
>>> ITK?
>>>
>>> Thank you!!
>>>
>>> Tao
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