# Latest

**URL:** https://discourse.slicer.org/latest.md?page=42

[Latest](https://discourse.slicer.org/latest.md) · [Categories](https://discourse.slicer.org/categories.md) · [Tags](https://discourse.slicer.org/tags.md)

**Page:** 43

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## [How to manipulate a 4D ultrasound DICOM file](https://discourse.slicer.org/t/how-to-manipulate-a-4d-ultrasound-dicom-file/44258)

<div class="topic-metadata">

**Author:** [@francio](https://discourse.slicer.org/u/francio)\
**Replies:** 1\
**Last updated:** [August 29, 2025, 2:55pm UTC](https://discourse.slicer.org/t/how-to-manipulate-a-4d-ultrasound-dicom-file/44258 "2025-08-29T14:55:05Z")

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Hello, im looking to manipulate a 4D torax ultrasound volume (3D + time) with 3D Slicer, i was wondering if there was any plug in necessary in order to do this. Also if anyone knows if it is possible to set coordinates f…

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## [Seeking slicercat fully functional build](https://discourse.slicer.org/t/seeking-slicercat-fully-functional-build/44257)

<div class="topic-metadata">

**Author:** [@Niki\_Shakouri](https://discourse.slicer.org/u/Niki_Shakouri)\
**Replies:** 0\
**Last updated:** [August 29, 2025, 2:52pm UTC](https://discourse.slicer.org/t/seeking-slicercat-fully-functional-build/44257 "2025-08-29T14:52:51Z")

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I have built slicercat, but I can only get it to work on Mac OS with python disabled (which means it does not have viewports for images to be displayed and interacted with upon upload). And this is after addressing the p…

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## [Hidden seam placement](https://discourse.slicer.org/t/hidden-seam-placement/44253)

<div class="topic-metadata">

**Author:** [@IanM63](https://discourse.slicer.org/u/IanM63)\
**Replies:** 1\
**Last updated:** [August 29, 2025, 2:36pm UTC](https://discourse.slicer.org/t/hidden-seam-placement/44253 "2025-08-29T14:36:54Z")

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Why is it not possible to hide the seam INSIDE the model ?

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## [CBCTToothSegmentation failed to compute results error](https://discourse.slicer.org/t/cbcttoothsegmentation-failed-to-compute-results-error/44251)

<div class="topic-metadata">

**Author:** [@Philipp\_Frobel](https://discourse.slicer.org/u/Philipp_Frobel)\
**Replies:** 0\
**Last updated:** [August 29, 2025, 2:34pm UTC](https://discourse.slicer.org/t/cbcttoothsegmentation-failed-to-compute-results-error/44251 "2025-08-29T14:34:42Z")

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Hi everyone, when i try to segmentate a tooth with the BCTToothSegmentation extention i always get the same error. Any ideas how to fix this or what i do wrong?

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## [Check surface meshes generated with the surface toolbox](https://discourse.slicer.org/t/check-surface-meshes-generated-with-the-surface-toolbox/44207)

<div class="topic-metadata">

**Author:** [@DaSt](https://discourse.slicer.org/u/DaSt)\
**Replies:** 3\
**Last updated:** [August 29, 2025, 4:54am UTC](https://discourse.slicer.org/t/check-surface-meshes-generated-with-the-surface-toolbox/44207 "2025-08-29T04:54:41Z")

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Dear All, I’m using the Surface Toolbox, specifically Uniform Remesh, via the Python API to generate STL surface meshes with a target edge length. Occasionally the resulting STL is not watertight (e.g., open boundaries …

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## [Add keyboard and mouse shortcuts for Module Selector navigation](https://discourse.slicer.org/t/add-keyboard-and-mouse-shortcuts-for-module-selector-navigation/44235)

<div class="topic-metadata">

**Author:** [@ruffsl](https://discourse.slicer.org/u/ruffsl)\
**Replies:** 0\
**Last updated:** [August 28, 2025, 7:34pm UTC](https://discourse.slicer.org/t/add-keyboard-and-mouse-shortcuts-for-module-selector-navigation/44235 "2025-08-28T19:34:04Z")

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## [Remove circular dependency between CompareVolumes and LandmarkRegistration](https://discourse.slicer.org/t/remove-circular-dependency-between-comparevolumes-and-landmarkregistration/44221)

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**Author:** [@koeglfryderyk](https://discourse.slicer.org/u/koeglfryderyk)\
**Replies:** 3\
**Last updated:** [August 28, 2025, 3:04pm UTC](https://discourse.slicer.org/t/remove-circular-dependency-between-comparevolumes-and-landmarkregistration/44221 "2025-08-28T15:04:26Z")

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@pieper mentioned here that it would be a good idea to remove the circular dependencies. The simplest approach for me seemed to be just to move common functionality into qt-scripted-modules/RegistrationLib/Visualization…

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## [Missing prebuilds for IGT extensions for Preview Release 5.9](https://discourse.slicer.org/t/missing-prebuilds-for-igt-extensions-for-preview-release-5-9/44143)

<div class="topic-metadata">

**Author:** [@ruffsl](https://discourse.slicer.org/u/ruffsl)\
**Replies:** 13\
**Last updated:** [August 28, 2025, 2:42pm UTC](https://discourse.slicer.org/t/missing-prebuilds-for-igt-extensions-for-preview-release-5-9/44143 "2025-08-28T14:42:20Z")

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Hello, I’m developing slicelet for image guided therapy, particularly a scripted slicelet for simpler R&D. Ideally we’d like to use the Preview Release of Slicer 5.9 that ships with a more recent version of Python 3.12, …

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## [Strange issue in Slicer 5.9 (revision 33881) that set qMRMLSubjectHierarchyComboBox to None](https://discourse.slicer.org/t/strange-issue-in-slicer-5-9-revision-33881-that-set-qmrmlsubjecthierarchycombobox-to-none/44215)

<div class="topic-metadata">

**Author:** [@chz31](https://discourse.slicer.org/u/chz31)\
**Replies:** 1\
**Last updated:** [August 27, 2025, 8:42pm UTC](https://discourse.slicer.org/t/strange-issue-in-slicer-5-9-revision-33881-that-set-qmrmlsubjecthierarchycombobox-to-none/44215 "2025-08-27T20:42:35Z")

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Hi, I encountered a weird issue. I made a customized extension for surgical plate registration that runs well in Slicer 5.8.1 across platforms. However, in the most recent Slicer 5.9 (revision 33881), whenever I ran a …

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## [Resample segmentation to higher resolution](https://discourse.slicer.org/t/resample-segmentation-to-higher-resolution/37425)

<div class="topic-metadata">

**Author:** [@mabe2416](https://discourse.slicer.org/u/mabe2416)\
**Replies:** 6\
**Last updated:** [August 27, 2025, 6:27pm UTC](https://discourse.slicer.org/t/resample-segmentation-to-higher-resolution/37425 "2025-08-27T18:27:07Z")

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Operating system: Windows 10 Slicer version: 5.6.2 Hi, I am trying to run the code of the script repository: Script repository — 3D Slicer documentation However, I get: NameError: name ‘segmentationGeometryLogic’ is…

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## [Head oculomotor task in total segmentator nor working](https://discourse.slicer.org/t/head-oculomotor-task-in-total-segmentator-nor-working/44158)

<div class="topic-metadata">

**Author:** [@philippepellerin](https://discourse.slicer.org/u/philippepellerin)\
**Replies:** 1\
**Last updated:** [August 27, 2025, 1:59pm UTC](https://discourse.slicer.org/t/head-oculomotor-task-in-total-segmentator-nor-working/44158 "2025-08-27T13:59:25Z")

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I can’t operate total segmentator with the task oculomotor muscles, I got an error message when making any attempt. I am running Slicer 5,9,0 25-08-14 on a Mac Apple chip M2 Sequoia 15.6. What is wrong? Here after t…

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## [Error using Elastix registration: returned non-zero exit status 1](https://discourse.slicer.org/t/error-using-elastix-registration-returned-non-zero-exit-status-1/30140)

<div class="topic-metadata">

**Author:** [@SANTIAGO\_PENDON\_MING](https://discourse.slicer.org/u/SANTIAGO_PENDON_MING)\
**Replies:** 1\
**Last updated:** [August 27, 2025, 2:39am UTC](https://discourse.slicer.org/t/error-using-elastix-registration-returned-non-zero-exit-status-1/30140 "2025-08-27T02:39:44Z")

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Hi to everyone :slight\_smile: On this occasion we are struggling with registration with Elastix module. The goal is registrate two CT images with the next workflow: Load the images as Slicer´s volumes. Open the El…

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## [Seeking Tips for Slicer Python Autocompletion and Debugging in VS Code](https://discourse.slicer.org/t/seeking-tips-for-slicer-python-autocompletion-and-debugging-in-vs-code/43751)

<div class="topic-metadata">

**Author:** [@tas47](https://discourse.slicer.org/u/tas47)\
**Replies:** 3\
**Last updated:** [August 26, 2025, 10:28pm UTC](https://discourse.slicer.org/t/seeking-tips-for-slicer-python-autocompletion-and-debugging-in-vs-code/43751 "2025-08-26T22:28:20Z")

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Hello all, I wanted to revisit a discussion about auto completes to work on Slicer source code. I find myself always reading the source code to map many of the C++ code to python wrappers and etc. I visited this issu…

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## [2025.08.26 Weekly Meeting](https://discourse.slicer.org/t/2025-08-26-weekly-meeting/44206)

<div class="topic-metadata">

**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 1\
**Last updated:** [August 26, 2025, 9:29pm UTC](https://discourse.slicer.org/t/2025-08-26-weekly-meeting/44206 "2025-08-26T21:29:45Z")

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NOW, we will be having our next weekly hangout at 10:00 AM ET until 11:00 AM ET. a Anyone is welcome to join at this link: https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: Please post to this thread to put…

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## [Maintenance of Windows dashboard planned for August 26th](https://discourse.slicer.org/t/maintenance-of-windows-dashboard-planned-for-august-26th/44210)

<div class="topic-metadata">

**Author:** [@jcfr](https://discourse.slicer.org/u/jcfr)\
**Replies:** 3\
**Last updated:** [August 26, 2025, 9:06pm UTC](https://discourse.slicer.org/t/maintenance-of-windows-dashboard-planned-for-august-26th/44210 "2025-08-26T21:06:28Z")

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The Windows dashboard server (bluestreak) will be temporarily unavailable this afternoon for a scheduled system upgrade by the Kitware team. We expect the system to be back online later this evening. However, please not…

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## [Issue with eraser function](https://discourse.slicer.org/t/issue-with-eraser-function/43825)

<div class="topic-metadata">

**Author:** [@noi9](https://discourse.slicer.org/u/noi9)\
**Replies:** 5\
**Last updated:** [August 26, 2025, 2:33pm UTC](https://discourse.slicer.org/t/issue-with-eraser-function/43825 "2025-08-26T14:33:28Z")

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Hi, Two issues which may be related. When I used the eraser function, there is still faint markings left. It does not fully erase. There appears to be artefact when I used the threshold button to fill out multipl…

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## [Slice-indicator lines in orthogonal views?](https://discourse.slicer.org/t/slice-indicator-lines-in-orthogonal-views/42233)

<div class="topic-metadata">

**Author:** [@robertf](https://discourse.slicer.org/u/robertf)\
**Replies:** 5\
**Last updated:** [August 26, 2025, 10:26am UTC](https://discourse.slicer.org/t/slice-indicator-lines-in-orthogonal-views/42233 "2025-08-26T10:26:58Z")

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When displaying orthogonal views, I would like to have lines displayed in each view that indicate the positions of the slices viewed in the other two views? For example, in the image below, red and yellow lines are shown…

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## [Extension Manager crash](https://discourse.slicer.org/t/extension-manager-crash/44199)

<div class="topic-metadata">

**Author:** [@Catalina\_Balzo](https://discourse.slicer.org/u/Catalina_Balzo)\
**Replies:** 3\
**Last updated:** [August 26, 2025, 10:01am UTC](https://discourse.slicer.org/t/extension-manager-crash/44199 "2025-08-26T10:01:31Z")

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Hi, I recently tried to upgrade my slicer from version 5.6 to 5.8.1, but I encountered a serious problem. Version 5.8.1 runs fine, but whenever I try to open the Extension Manager the program crashes. Because of this, I …

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## [Dental segmentator output editing](https://discourse.slicer.org/t/dental-segmentator-output-editing/44144)

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**Author:** [@scarlet](https://discourse.slicer.org/u/scarlet)\
**Replies:** 2\
**Last updated:** [August 26, 2025, 6:47am UTC](https://discourse.slicer.org/t/dental-segmentator-output-editing/44144 "2025-08-26T06:47:02Z")

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When I use dental segmentator module on CBCT, some gaps are still left inside the jaw bones. What is the easiest way to fill in that empty space.

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## [Third party shared LIB file placement in a custom Slicer application](https://discourse.slicer.org/t/third-party-shared-lib-file-placement-in-a-custom-slicer-application/44203)

<div class="topic-metadata">

**Author:** [@ejm-revvity](https://discourse.slicer.org/u/ejm-revvity)\
**Replies:** 0\
**Last updated:** [August 25, 2025, 9:16pm UTC](https://discourse.slicer.org/t/third-party-shared-lib-file-placement-in-a-custom-slicer-application/44203 "2025-08-25T21:16:27Z")

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I’m adding in license management functionality to our custom Slicer application. We’re using Revanera FlexNet which provides a sort of SDK in the form of include (.h) files, .lib files and runtime .dll files. I can succ…

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## [OpenDose3D Run Test error](https://discourse.slicer.org/t/opendose3d-run-test-error/44200)

<div class="topic-metadata">

**Author:** [@gaia\_muti](https://discourse.slicer.org/u/gaia_muti)\
**Replies:** 1\
**Last updated:** [August 25, 2025, 6:50pm UTC](https://discourse.slicer.org/t/opendose3d-run-test-error/44200 "2025-08-25T18:50:37Z")

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Problem report for Slicer 5.6.2 win-amd64: \[please describe expected and actual behavior\] After installing Slicer 5.6.2 and the requested extension for OpenDose3D, after running the test to check the correct functioning…

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## [Removing below threshold data from segment](https://discourse.slicer.org/t/removing-below-threshold-data-from-segment/44184)

<div class="topic-metadata">

**Author:** [@Learn34](https://discourse.slicer.org/u/Learn34)\
**Replies:** 3\
**Last updated:** [August 25, 2025, 2:23pm UTC](https://discourse.slicer.org/t/removing-below-threshold-data-from-segment/44184 "2025-08-25T14:23:50Z")

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Big picture: I want to convert the CT scan data from a SPECT of my spine into a finite element model to validate use of a novel implant in a repair thereof. Little picture: In attempting to follow this workflow for conv…

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## [New extension: Synchronised Navigation with Registration](https://discourse.slicer.org/t/new-extension-synchronised-navigation-with-registration/43844)

<div class="topic-metadata">

**Author:** [@koeglfryderyk](https://discourse.slicer.org/u/koeglfryderyk)\
**Replies:** 13\
**Last updated:** [August 25, 2025, 8:47am UTC](https://discourse.slicer.org/t/new-extension-synchronised-navigation-with-registration/43844 "2025-08-25T08:47:24Z")

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I created a new extension for viewing registrations. It implements what is sometimes called “synchronised navigation” - simultaneous visualization of the same spatial location across multiple image series The basic idea…

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## [Animal automatic segmentation](https://discourse.slicer.org/t/animal-automatic-segmentation/44182)

<div class="topic-metadata">

**Author:** [@Melodicpinpon](https://discourse.slicer.org/u/Melodicpinpon)\
**Replies:** 2\
**Last updated:** [August 24, 2025, 6:40pm UTC](https://discourse.slicer.org/t/animal-automatic-segmentation/44182 "2025-08-24T18:40:45Z")

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Hi everyone, As the tools for automatic segmentation are evolving rapidly, Is there any similar tool meant for animals (dogs or cats?). I’ve tried Total Segmentator on a dog CTscan and on a pig and it kind of work but …

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## [Success story: 3D Slicer powering OpenLIFU for therapeutic ultrasound research](https://discourse.slicer.org/t/success-story-3d-slicer-powering-openlifu-for-therapeutic-ultrasound-research/44187)

<div class="topic-metadata">

**Author:** [@Andinet\_Enquobahrie](https://discourse.slicer.org/u/Andinet_Enquobahrie)\
**Replies:** 0\
**Last updated:** [August 24, 2025, 12:09pm UTC](https://discourse.slicer.org/t/success-story-3d-slicer-powering-openlifu-for-therapeutic-ultrasound-research/44187 "2025-08-24T12:09:52Z")

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I’m excited to share a recent success story highlighting how 3D Slicer is being used to accelerate research in therapeutic ultrasound. Together with OpenWater, Kitware customized Slicer to support OpenLIFU, an open-sour…

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## [Saving a trained MONAILabel model.](https://discourse.slicer.org/t/saving-a-trained-monailabel-model/44186)

<div class="topic-metadata">

**Author:** [@okkar\_kyaw](https://discourse.slicer.org/u/okkar_kyaw)\
**Replies:** 0\
**Last updated:** [August 24, 2025, 1:21am UTC](https://discourse.slicer.org/t/saving-a-trained-monailabel-model/44186 "2025-08-24T01:21:40Z")

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After annotations and and training the model. How do I save my already trained .pt file for later use and sharing between researcher ? Is there a buttom to do this?

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## [OBB Corner Coordinates and/or Dimensions](https://discourse.slicer.org/t/obb-corner-coordinates-and-or-dimensions/44176)

<div class="topic-metadata">

**Author:** [@liam26](https://discourse.slicer.org/u/liam26)\
**Replies:** 3\
**Last updated:** [August 23, 2025, 11:19pm UTC](https://discourse.slicer.org/t/obb-corner-coordinates-and-or-dimensions/44176 "2025-08-23T23:19:11Z")

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I’m trying to find the dimensions of my OBB box (width, length, height) to get the height of spinal discs. Even getting the corner coordinates would be helpful so I could calculate it manually. I can’t find an existing s…

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## [Potential JAX-based physics for real-time simulation in Slicer?](https://discourse.slicer.org/t/potential-jax-based-physics-for-real-time-simulation-in-slicer/44142)

<div class="topic-metadata">

**Author:** [@Bruce\_Hu](https://discourse.slicer.org/u/Bruce_Hu)\
**Replies:** 6\
**Last updated:** [August 23, 2025, 7:58pm UTC](https://discourse.slicer.org/t/potential-jax-based-physics-for-real-time-simulation-in-slicer/44142 "2025-08-23T19:58:45Z")

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Hello Slicer community, I’m a developer interested in physics simulation. My project, brax viewer, visualizes JAX-based physics engines in real time, which is a new open-source package developed as part of Google Summer…

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## [3D rendering of segmentations without Slicer GUI](https://discourse.slicer.org/t/3d-rendering-of-segmentations-without-slicer-gui/44177)

<div class="topic-metadata">

**Author:** [@metabot18](https://discourse.slicer.org/u/metabot18)\
**Replies:** 1\
**Last updated:** [August 23, 2025, 2:50pm UTC](https://discourse.slicer.org/t/3d-rendering-of-segmentations-without-slicer-gui/44177 "2025-08-23T14:50:35Z")

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Hello Slicer community. Is it possible to generate 3D renderings like these by calling Slicer’s functions from a Python environment, without having to load Slicer’s GUI? I tried doing these through VTK Python, but I…

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## [Read in Strings to vtkTableNode?](https://discourse.slicer.org/t/read-in-strings-to-vtktablenode/44171)

<div class="topic-metadata">

**Author:** [@mrsh0r3s](https://discourse.slicer.org/u/mrsh0r3s)\
**Replies:** 1\
**Last updated:** [August 23, 2025, 2:57am UTC](https://discourse.slicer.org/t/read-in-strings-to-vtktablenode/44171 "2025-08-23T02:57:49Z")

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Hello, Whenever I try to use the slicer.util.updateTableFromArray() function to import an array with a string value - say “DeviceID” - I get the error “ValueError: could not convert string to float: ‘DeviceID’” Numeric…

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