Re: [vmtk-users] centerline extraction problem

[Luca A. <luc...@or...>]

Hi Xiaoli, 
 there must be a Voronoi diagram degeneracy somewhere. Feel free to post a screenshot of the model, I can try to point you to the candidate spots.
Best,

Luca


On Aug 8, 2013, at 7:50 PM, Xiaoli Zhang wrote:

> It seems someone has encountered the same problem before: http://www.mail-archive.com/vmt...@li.../msg00283.html
> 
> I followed Luca's suggestions apply smoothing (tried passband of 0.01 and 0.1) and add a subdivision step before vmtkcenterlines. Still no luck, vmtkcenterlines script will never return. Any suggestions?
> 
> On Tue, Aug 6, 2013 at 9:23 PM, Xiaoli Zhang <zha...@gm...> wrote:
> I am new to vmtk and I am trying to extract centerline from CT image of the aorta. I prepared the surface in Amira and save as stl (ASCII) format. Then I ran vmtkcenterlines script and place a source point at inlet and a target point at outlet. vmtk then show "computing centerline" and staying for a very long time (>12 hours). The surface I am working on is a small file (stl size <1MB). 
> 
> Anyone can help please? I can send the screenshot of the surface and stl file if needed. Thanks.
> 
> Xiaoli
> 
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