[vtkusers] Closed Surface from Marching Cubes

[Simon ESNEAULT]

Hello Andrew,

One simple solution can be to "Pad" the image by one pixel in every
direction, using the vtkImageConstantPad filter before the Marching Cubes.
Hence the generated mesh shall be closed.

Simon

2015-05-18 14:56 GMT+02:00 Andrew Crozier <andrew.crozier at medunigraz.at>:

> Hi,
>
> I am using vtkDiscreteMarchingCubes to generate a surface mesh from a
> segmented image volume, prior to applying a custom smoothing algorithm and
> finally rendering a new image volume.
>
> The rendering step has problems when the surface mesh is not closed, which
> occurs when the segmented object meets a side of the image volume. Is there
> some way that I can generate a closed surface from the marching cubes
> algorithm, or postprocess the open surface (or contours generated from it
> by vtkCutter) to close it?
>
> Many thanks,
> Andrew
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Simon Esneault
Rennes, France
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