[vtkusers] alignment between nifti and vtk files

[Martijn Steenwijk]

Hi Hila,

How was the polydata obtained and how do you read the nifti file in VTK?

Best,
Martijn

On Fri, Mar 2, 2012 at 12:29 PM, Hila Hiler <hilahiler at gmail.com> wrote:

> Hi all,
>
> I have one vtk file consists of polyData and another nifti file consists
> gray values.
> I'd like to align them.
>
> *data of vtk file:
> ===============*
>        GetGeometry3D(0):       Geometry3D (0314A390)
>          IndexToWorldTransform:
>         Matrix:
>           1 0 0
>           0 1 0
>           0 0 1
>         Offset: [0, 0, 0]
>         Center: [0, 0, 0]
>         Translation: [0, 0, 0]
>         Inverse:
>           1 0 0
>           0 1 0
>           0 0 1
>         Scale : 1 1 1
>          BoundingBox:         ( -16.886,63.6804 -102.803,88.6225
> -19.869,79.0607  )
>          Origin: [0, 0, 0]
>          ImageGeometry: 0
>          Spacing: [1, 1, 1]
>          TimeBounds: [-3.40282e+038, 3.40282e+038]
>
> *
> data of nifti file:
> ===============*
> GetGeometry2D(0):         PlaneGeometry (0BE3CAE8)
>            IndexToWorldTransform:
>           Matrix:
>             0.488281 0 0
>             0 -0.488281 0
>             0 0 -1
>           Offset: [-122.375, 115.432, -122.515]
>           Center: [0, 0, 0]
>           Translation: [-122.375, 115.432, -122.515]
>           Inverse:
>             2.048 0 0
>             0 -2.048 0
>             0 0 -1
>           Scale : 1 1 1
>            BoundingBox:           ( 0,512 0,512 0,1  )
>            Origin: [-122.375, 115.432, -122.515]
>            ImageGeometry: 1
>            Spacing: [0.488281, 0.488281, 1]
>            TimeBounds: [-3.40282e+038, 3.40282e+038]
>
>
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