# How to calculate surface length with centerline project into surface

**URL:** https://discourse.slicer.org/t/how-to-calculate-surface-length-with-centerline-project-into-surface/18747
**Category:** VMTK
**Created:** [July 15, 2021, 10:58am UTC](https://discourse.slicer.org/t/how-to-calculate-surface-length-with-centerline-project-into-surface/18747 "2021-07-15T10:58:31Z")
**Posts on this page:** 1
**Showing post:** 5

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### Author: ![chir.set](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/chir.set/32/66982_2.png) [@chir.set](https://discourse.slicer.org/u/chir.set)
#### Post date: [July 15, 2021, 9:55pm UTC](https://discourse.slicer.org/t/how-to-calculate-surface-length-with-centerline-project-into-surface/18747/5 "2021-07-15T21:55:31Z")

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Please see [VMTK extract centerline fails with VMTK using VTK9](https://discourse.slicer.org/t/vmtk-extract-centerline-fails-with-vmtk-using-vtk9/18644)

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