# 'Quit renderer' for a long time WITHOUT result after call 'vmtkcenterlines' after 'source vmtk\_env.sh' in Ubuntu

**URL:** https://discourse.slicer.org/t/quit-renderer-for-a-long-time-without-result-after-call-vmtkcenterlines-after-source-vmtk-env-sh-in-ubuntu/36751
**Category:** VMTK
**Created:** [June 13, 2024, 9:11am UTC](https://discourse.slicer.org/t/quit-renderer-for-a-long-time-without-result-after-call-vmtkcenterlines-after-source-vmtk-env-sh-in-ubuntu/36751 "2024-06-13T09:11:24Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![gpu](https://avatars.discourse-cdn.com/v4/letter/g/e47c2d/32.png) [@gpu](https://discourse.slicer.org/u/gpu)
#### Post date: [June 13, 2024, 9:11am UTC](https://discourse.slicer.org/t/quit-renderer-for-a-long-time-without-result-after-call-vmtkcenterlines-after-source-vmtk-env-sh-in-ubuntu/36751/1 "2024-06-13T09:11:24Z")

</div>

‘Quit renderer’ for a long time WITHOUT result after call ‘vmtkcenterlines’ after ‘source vmtk\_env.sh’ in Ubuntu.  
However, it’s very quick to Extract Centerlines in 3D Slicer with VMTK extention with the same .stl file  
Thanks!