# Getting Centerline (vascular modelling toolkit)

**URL:** <https://discourse.slicer.org/t/getting-centerline-vascular-modelling-toolkit/42991>\
**Category:** Support\
**Created:** [May 19, 2025, 1:15am UTC](https://discourse.slicer.org/t/getting-centerline-vascular-modelling-toolkit/42991 "2025-05-19T01:15:05Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![desireeb](https://avatars.discourse-cdn.com/v4/letter/d/9d8465/32.png) [@desireeb](https://discourse.slicer.org/u/desireeb)\
**Post date:** [May 19, 2025, 1:15am UTC](https://discourse.slicer.org/t/getting-centerline-vascular-modelling-toolkit/42991/1 "2025-05-19T01:15:06Z")

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Hello:  
I am trying to extract Centerline (vascular modelling toolkit). After finalising the segmentation, I export visible segments to model. Finally, I click Centerline but the programme shows: failed to compute array radius.  
Any idea to change this?  
Many thanks,  
Desiree