Re: [vmtk-users] Elliptical cross-sections

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

Hi Oliver,
 there's something you can do to characterize elliptical cross-sections.
First compute centerlines, then use 
vmtkcenterlinesections -ifile model.vtp -centerlinesfile centerlines.vtp -ofile sections.vtp
The sections dataset will contain min size and max size (taken as the min and max distance
of the section to the intersection of the centerline and the section plane) and area.
Hope this helps,

Luca

On Aug 10, 2013, at 5:06 AM, Oliver Maclaren wrote:

> Hi,
> I'm sure this question has probably come up a few times but I haven't been able to find an answer. I am hoping someone could point me in the right direction.
> 
> I have worked through most of the tutorials and managed to reconstruct my object of interest - a lumen structure with multiple interconnected tubular parts - as well as extract the maximum inscribed sphere radius along each branch. 
> 
> However the cross section along each 'tube' is in fact quite elliptical and I was hoping to have a measure of the the larger dimension along each tube. What is the easiest way to do this? Sorry if the question has been addressed somewhere obvious but most that I have seen emphasizes the maximum inscribed radius and circular cross-sections.
> 
> Thanks,
> Oliver
> 
> -- 
> Oliver Maclaren BE(Hons)
> PhD Candidate
> Auckland Bioengineering Institute
> The University of Auckland
> New Zealand
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