[vtkusers] Please help! How to extract the surface of a volume?

[Bill Lorensen]

If your segmented images have discrete labels for each structure, then
use vtkDiscreteMarchingCubes rather than vtkMarchingCubes.

Bill

On Wed, Mar 18, 2009 at 5:29 AM, Liam Kurmos
<quantum.leaf at googlemail.com> wrote:
> why isn't the result of marching cubes what you want?
> did you set the isovalue to what you want?
>
> On Wed, Mar 18, 2009 at 10:44 AM, Nour Mestiri <nourmestiri at yahoo.fr> wrote:
>> Hi all vtk users.
>> I need your help. In fact, i have a sequence of 2D 'segmented' images which
>> represent the bones of the human head.
>> When i make the reconstruction, i obtain the whole volume of the skull... My
>> objective is to keep just the extern surface of this skull and eliminate all
>> the rest.
>> I used the marching cubes algorithm but the result is not exactly what i
>> want!!!
>> Is it possible to extract the surface of the volume? If yes, how to do?
>> Thank you.
>>
>>
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