Vmtk Network algorithm error for the big diameter change part

Support
1

Dear , all and developers
I use the network extraction for the vessel model with big aneursym , but the network line go outside of the surface , seem not right. Is there solution for this situation?

err
err1029×819 258 KB

2

Does centerline extraction work well?
Can you share the model so that we can do some more testing?

3

It is vmtk network extraction output, I use the vmtknetworkextraction script.
Very grateful for your support. Look forward to your feedback.
Here is the STL model link:
https://drive.google.com/file/d/1RTZhFll643_bbPVBan98wSCbNUL2fVPl/view?usp=drive_link

4

yes, If I use "vmtkcenterlines " and select two points near and far, it appear normal like:

image
image884×766 38.6 KB

but the network is

image
image804×825 44.7 KB