[vtkusers] vtkContourFilter produces inconstistent meshes

[Stefan Wesarg]

Hi Bill,

we have installed VTK 4.4, but I cannot find the 
vtkDiscreteMarchingCubes class in the source files.
Where is it located? Are you sure that it is available already in the 
4.4 version?

Stefan

Bill Lorensen wrote:

> Try vtkDiscreteMarchingCubes. It is specifically designed to work with 
> binary volumes. It is available in vtk release 4.4 and the nightly.
>
> Bill
>
> At 12:01 PM 11/4/2004, Toon Huysmans wrote:
>
>
>> Hi Hendrik,
>>
>> If you have a binary volume, i would use the vtkMarchingCubes filter.
>>
>> I am not sure, but it could be that vtkContourFilter uses 
>> vtkMarchingCubes
>> underlying, so my suggestion would not work that case.
>>
>> Greetings,
>>
>> Toon.
>>
>>
>>> ----- Original Message ----- From: "Hendrik Belitz" 
>>> <h.belitz at fz-juelich.de>
>>> To: <vtkusers at vtk.org>
>>> Sent: Thursday, November 04, 2004 2:37 PM
>>> Subject: [vtkusers] vtkContourFilter produces inconstistent meshes
>>>
>>>
>>> Hello,
>>>
>>> maybe you could assist me in solving a little problem. I need to 
>>> extract a
>>> surface mesh from a given binary volume dataset. The volume data is
>>> topologically simple (no holes or gaps). But by extracting it with  the
>>> vtkContourFilter, some holes appear in the resulting mesh.
>>>
>>> Do you know any other ready-to-use implementations or fixups for 
>>> isosurface
>>> generation which solve this problem? Or are you able to point me to 
>>> some
>>> repair algorithm to fix the holes in the resulting mesh?
>>>
>>> ----------------------------------------------------------------
>>> Hendrik Belitz
>>> Central institute of electronics
>>>  Multimodal image processing group
>>> Research Center Jülich
>>> D-52428 Jülich, Germany
>>> Tel.: (++49)2461 61 4578
>>> Fax: (++49)2461 61 3990
>>> email: h.belitz at fz-juelich.de
>>>
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>>
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>
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-- 
---------------------------------------------------------------------
Dipl.-Phys. Stefan Wesarg

Fraunhofer Institute for Computer Graphics
Cognitive Computing and Medical Imaging (A7)
Fraunhoferstr. 5, 64283 Darmstadt, Germany
---------------------------------------------------------------------
email:	stefan.wesarg at igd.fraunhofer.de
http://www.igd.fhg.de/~swesarg/

phone:	+49 6151 - 155 511
fax:	+49 6151 - 155 480
---------------------------------------------------------------------

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