[vtkusers] what data structure to use for hexahedra

[Mathieu Malaterre]

http://www.vtk.org/doc/nightly/html/classvtkHexahedron.html

and vtkUnstructuredGrid is the struct you are looking for

2cts


On Mon, Aug 11, 2008 at 9:40 PM, gregthom <gregthom99 at yahoo.com> wrote:
>
> Greetings VTKUSERS
> I have a project where I am working with organ modelling from medical
> images.
> In my project, I would like to do something like
>
> contours -> surface -> volume (voxles or hexahedra) ->input to FEM-like
> modelling
>
> I have some tools for contours-> surface and also some tools that can get
> volume element (voxel) centers for each structure of interest.
> Now what I need is some kind of hexahedra for based on those voxel centers.
> Does anyone have some idea about what suitable vtk structure can be used for
> this ? The reason I want use hehedra is that if I have initially a regular
> grid with voxel (each 8 vertices and connectivity) I will use non-rigid
> warping techniques to model new structures and my regular voxels will easily
> become non-regular. I am thinking some kind of VTK structure exists that is
> suitable for this ?.
>
> Cheers
>
> GT
>
>
> --
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-- 
Mathieu