[vtkusers] Creating a 3D surface mesh from a stack of contours

[David Doria]

This seems to be a very common question (around my university as well as on
the mailing list). Joel, maybe once you get it working you can post the
procedure/code on the examples wiki (http://www.vtk.org/Wiki/VTK)? Or send
me the code/sample data set and I can try to clean/comment it for posting.

Thanks,

David


On Wed, Apr 29, 2009 at 6:11 AM, Bryn Lloyd <blloyd at vision.ee.ethz.ch>wrote:

> Hi Joel,
>
> I guess you want to run an inside/outside test with the polylines. I would
> suggest you have look at this post:
>
>
> http://www.nabble.com/extracting-binary-label-image-from-poly-data-contour-td22079030.html
>
>
> Cheers
> Bryn
>
>
>
>
> Joel Schaerer wrote:
>
>> Hi all,
>>
>> I'm trying to create a 3D surface mesh from a stack of 2D contours created
>> from a semi-manual contouring platform I have no control on. For now I
>> have
>> succesfully converted the contours to vtk polylines. My idea is to
>> binarize
>> the the polylines, and to run a marching cubes on the resulting binary
>> volume.
>>
>> Unfortunately, vtkPolyDataToImageStencil doesn't work for polylines. So
>> before I start coding a polyline binarizer, would anyone have a better
>> idea,
>> or such a binarizer in stock? (the code will be integrated into the
>> open-source 4D viewer vv)
>>
>> Thanks,
>>
>> joel
>>
>
>
> --
> -------------------------------------------------
> Bryn Lloyd
> Computer Vision Laboratory
> ETH Zürich, Sternwartstrasse 7
> CH - 8092 Zürich, Switzerland
> Tel: +41 44 63 26668
> Fax: +41 44 63 21199
> -------------------------------------------------
>
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