# Nasal Cavity Geometry Extraction

**URL:** <https://discourse.slicer.org/t/nasal-cavity-geometry-extraction/8798>\
**Category:** Support\
**Created:** [October 16, 2019, 2:24pm UTC](https://discourse.slicer.org/t/nasal-cavity-geometry-extraction/8798 "2019-10-16T14:24:58Z")\
**Posts on this page:** 1\
**Showing post:** 15

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**Author:** ![pieper](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/pieper/32/8_2.png) [@pieper](https://discourse.slicer.org/u/pieper)\
**Post date:** [October 17, 2019, 2:13pm UTC](https://discourse.slicer.org/t/nasal-cavity-geometry-extraction/8798/15 "2019-10-17T14:13:31Z")

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@lassoan, Doesn’t the Segment Editor require a labelmap for thresholding? That would technically be a different final mesh than the Grayscale model maker for the same threshold (depends on oversample level).

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