# \#gate

**URL:** https://discourse.slicer.org/tag/gate/470.md

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## [Identify HU range for Air on CT image](https://discourse.slicer.org/t/identify-hu-range-for-air-on-ct-image/42950)

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**Author:** [@imbeatriz](https://discourse.slicer.org/u/imbeatriz)\
**Replies:** 10\
**Last updated:** [May 18, 2025, 1:24pm UTC](https://discourse.slicer.org/t/identify-hu-range-for-air-on-ct-image/42950 "2025-05-18T13:24:46Z")

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Hi everyone, I used TotalSegmentator on a CT image, and it successfully segmented all relevant structures. However, I noticed that it does not include a specific label for air that I need. I need to determine the HU ra…

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## [Gate bindings for Slicer](https://discourse.slicer.org/t/gate-bindings-for-slicer/28794)

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**Author:** [@Alex\_Vergara](https://discourse.slicer.org/u/Alex_Vergara)\
**Replies:** 2\
**Last updated:** [April 8, 2023, 8:39pm UTC](https://discourse.slicer.org/t/gate-bindings-for-slicer/28794 "2023-04-08T20:39:50Z")

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I’m trying to use Gate inside Slicer within my module OpenDose3D. However, it’s being a bit difficult to install gate as a pip package. slicer.util.pip\_install("opengate") Traceback (most recent call last): File "\<co…