# Latest

**URL:** https://discourse.slicer.org/latest.md?page=41

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

**Page:** 42

---

## [Can MONAI Auto3dSeg use metal (MPS) on M series processors running MacOS?](https://discourse.slicer.org/t/can-monai-auto3dseg-use-metal-mps-on-m-series-processors-running-macos/44305)

<div class="topic-metadata">

**Author:** [@GeneRisi](https://discourse.slicer.org/u/GeneRisi)\
**Replies:** 4\
**Last updated:** [September 2, 2025, 4:47pm UTC](https://discourse.slicer.org/t/can-monai-auto3dseg-use-metal-mps-on-m-series-processors-running-macos/44305 "2025-09-02T16:47:15Z")

</div>

I am running Auto3dSeg on my MacBook Pro with M3 Pro and wondering whether there is something I need to do to enable use of MTL for inferencing? Thank you. Gene Risi

---

## [Hide slice rectangles in 3D view](https://discourse.slicer.org/t/hide-slice-rectangles-in-3d-view/42912)

<div class="topic-metadata">

**Author:** [@spichardo](https://discourse.slicer.org/u/spichardo)\
**Replies:** 8\
**Last updated:** [September 2, 2025, 3:50pm UTC](https://discourse.slicer.org/t/hide-slice-rectangles-in-3d-view/42912 "2025-09-02T15:50:57Z")

</div>

Operating system: macOS 15.4.1 Slicer version: 5.8.1 Expected behavior: Old versions of 3DSlicer didn’t show these rectangles, they are in the way for illustration purposes Actual behavior: The “new” rectangles are sh…

---

## [Create new vector volume](https://discourse.slicer.org/t/create-new-vector-volume/9297)

<div class="topic-metadata">

**Author:** [@sthirumal](https://discourse.slicer.org/u/sthirumal)\
**Replies:** 7\
**Last updated:** [September 2, 2025, 3:46pm UTC](https://discourse.slicer.org/t/create-new-vector-volume/9297 "2025-09-02T15:46:13Z")

</div>

Operating system: Windows 10 Slicer version: 4.10.1 I am trying to create a new vector volume (since I need a colour image) and am wondering how to go about coding this.

---

## [Invalid transformation chosen error - 4DCT registration](https://discourse.slicer.org/t/invalid-transformation-chosen-error-4dct-registration/42654)

<div class="topic-metadata">

**Author:** [@Cesar](https://discourse.slicer.org/u/Cesar)\
**Replies:** 2\
**Last updated:** [September 2, 2025, 1:59pm UTC](https://discourse.slicer.org/t/invalid-transformation-chosen-error-4dct-registration/42654 "2025-09-02T13:59:43Z")

</div>

Any insights into why I’m getting this error (please see image below) Here’s what I’ve tried and how I managed to bypass it. FYI this dataset has some motion artifact, and part of the distal radius is not visible. I…

---

## [Data file information](https://discourse.slicer.org/t/data-file-information/44274)

<div class="topic-metadata">

**Author:** [@michaelli](https://discourse.slicer.org/u/michaelli)\
**Replies:** 8\
**Last updated:** [September 2, 2025, 1:43pm UTC](https://discourse.slicer.org/t/data-file-information/44274 "2025-09-02T13:43:41Z")

</div>

I load a bunch of data files into Slicer 3D, including DICOM, STL and others, how can I get the file path and file name information? I cannot see the file information from data structure. I ask this because I have files …

---

## [Questions regarding filling between bronchis of small spaces and reason of bad result display here](https://discourse.slicer.org/t/questions-regarding-filling-between-bronchis-of-small-spaces-and-reason-of-bad-result-display-here/44082)

<div class="topic-metadata">

**Author:** [@jamesgyh](https://discourse.slicer.org/u/jamesgyh)\
**Replies:** 2\
**Last updated:** [September 2, 2025, 1:36pm UTC](https://discourse.slicer.org/t/questions-regarding-filling-between-bronchis-of-small-spaces-and-reason-of-bad-result-display-here/44082 "2025-09-02T13:36:07Z")

</div>

Here is the result of my bronchi after using the LungCT segmentation. May I ask how can I manually connect the small spaces and also make the model display better? This is 0.5mm thickness and I have no idea why the su…

---

## [No downloaded modules are loading into Slicer](https://discourse.slicer.org/t/no-downloaded-modules-are-loading-into-slicer/22457)

<div class="topic-metadata">

**Author:** [@Steven\_A](https://discourse.slicer.org/u/Steven_A)\
**Replies:** 14\
**Last updated:** [September 2, 2025, 12:16pm UTC](https://discourse.slicer.org/t/no-downloaded-modules-are-loading-into-slicer/22457 "2025-09-02T12:16:21Z")

</div>

Slicer 4.13.0. I am trying to load up modules from the installation path, but for some reason I am getting the folowing errors: Error #1 while writing setting “Modules/AdditionalPaths” Error #1 while writing setting “M…

---

## [SlicerAstro extension](https://discourse.slicer.org/t/slicerastro-extension/44307)

<div class="topic-metadata">

**Author:** [@AJO\_VICTOR](https://discourse.slicer.org/u/AJO_VICTOR)\
**Replies:** 1\
**Last updated:** [September 2, 2025, 11:15am UTC](https://discourse.slicer.org/t/slicerastro-extension/44307 "2025-09-02T11:15:52Z")

</div>

I cant find any extension named “slicerastro“ extension inside extension manager.Can somebody help?

---

## [Batch Processing with SlicerLungCTAnalyzer](https://discourse.slicer.org/t/batch-processing-with-slicerlungctanalyzer/42768)

<div class="topic-metadata">

**Author:** [@omegayen](https://discourse.slicer.org/u/omegayen)\
**Replies:** 2\
**Last updated:** [September 2, 2025, 11:08am UTC](https://discourse.slicer.org/t/batch-processing-with-slicerlungctanalyzer/42768 "2025-09-02T11:08:46Z")

</div>

Hi @rbumm thanks for your work. I am working with SlicerLungCTAnalyzer and having difficulty with batch processing with both the segmenter and analyzer. I reviewed the instructions here Batch processing with Lung CT Seg…

---

## [Changing the voxel size (resolution) and saving a new volume.](https://discourse.slicer.org/t/changing-the-voxel-size-resolution-and-saving-a-new-volume/44260)

<div class="topic-metadata">

**Author:** [@Chanrury\_s](https://discourse.slicer.org/u/Chanrury_s)\
**Replies:** 3\
**Last updated:** [September 1, 2025, 4:30pm UTC](https://discourse.slicer.org/t/changing-the-voxel-size-resolution-and-saving-a-new-volume/44260 "2025-09-01T16:30:34Z")

</div>

Hello. I work with CT scans of jaw bones and teeth. The original volume was recorded with the spacing parameter = 0.2 mm. For me, this is a fairly thick slice and I was looking for ways to improve the quality of segment…

---

## [SlicerRT not visible in modules after installation](https://discourse.slicer.org/t/slicerrt-not-visible-in-modules-after-installation/44185)

<div class="topic-metadata">

**Author:** [@Mahrukh\_Tariq](https://discourse.slicer.org/u/Mahrukh_Tariq)\
**Replies:** 11\
**Last updated:** [September 1, 2025, 3:25pm UTC](https://discourse.slicer.org/t/slicerrt-not-visible-in-modules-after-installation/44185 "2025-09-01T15:25:10Z")

</div>

Hi. Can you please help to resolve the issue I‘m facing with SlicerRT extension not being visible in the Modules even after it has been installed and visible in Extensions Manager. 3D Slicer version 5.8.1

---

## [The size and position of the bounding box](https://discourse.slicer.org/t/the-size-and-position-of-the-bounding-box/44289)

<div class="topic-metadata">

**Author:** [@Konstantin](https://discourse.slicer.org/u/Konstantin)\
**Replies:** 1\
**Last updated:** [September 1, 2025, 9:14am UTC](https://discourse.slicer.org/t/the-size-and-position-of-the-bounding-box/44289 "2025-09-01T09:14:38Z")

</div>

Hello. How can I make the position and dimensions of the bounding box like the 3D model?

---

## [Help with Transform Inversion and Modifying PLUS Transformation in Slicer](https://discourse.slicer.org/t/help-with-transform-inversion-and-modifying-plus-transformation-in-slicer/44284)

<div class="topic-metadata">

**Author:** [@daimon2](https://discourse.slicer.org/u/daimon2)\
**Replies:** 2\
**Last updated:** [August 31, 2025, 7:41pm UTC](https://discourse.slicer.org/t/help-with-transform-inversion-and-modifying-plus-transformation-in-slicer/44284 "2025-08-31T19:41:18Z")

</div>

Dear Slicer Community, I am a beginner working through the tutorial “day2\_PrototypingImageGuidedTherapyApplications,” and I need some help with transformations. The transformation I am receiving from Optitrack through P…

---

## [How stl. to alignment accurately?](https://discourse.slicer.org/t/how-stl-to-alignment-accurately/44294)

<div class="topic-metadata">

**Author:** [@guozhuang](https://discourse.slicer.org/u/guozhuang)\
**Replies:** 0\
**Last updated:** [August 31, 2025, 7:35pm UTC](https://discourse.slicer.org/t/how-stl-to-alignment-accurately/44294 "2025-08-31T19:35:11Z")

</div>

I have two documents(stl.), I want to align them and try measure the location of implants, but I used FastModelAlign, it shows significant differences, I would like to know if there are any other registration methods ava…

---

## [How to import slicer transfoms (.h5 files) into Blender?](https://discourse.slicer.org/t/how-to-import-slicer-transfoms-h5-files-into-blender/44286)

<div class="topic-metadata">

**Author:** [@apparrilla](https://discourse.slicer.org/u/apparrilla)\
**Replies:** 1\
**Last updated:** [August 31, 2025, 7:34pm UTC](https://discourse.slicer.org/t/how-to-import-slicer-transfoms-h5-files-into-blender/44286 "2025-08-31T19:34:59Z")

</div>

Hi everyone! I want to extract rotation and position data from an Slicer transform (TR.h5) into Blender. For now, I did: 1.- Install h5py library in Blender with add-on blender\_pip: Python module manager from GitHub -…

---

## [How to get metrics for centerline pieces?](https://discourse.slicer.org/t/how-to-get-metrics-for-centerline-pieces/44252)

<div class="topic-metadata">

**Author:** [@abitrolly](https://discourse.slicer.org/u/abitrolly)\
**Replies:** 5\
**Last updated:** [August 31, 2025, 1:56pm UTC](https://discourse.slicer.org/t/how-to-get-metrics-for-centerline-pieces/44252 "2025-08-31T13:56:37Z")

</div>

How to split extracted centerline into pieces to get curvature, torsion and tortuosity for each piece? I feel like I miss something obvious, but after hours of trying I haven’t found how to do this through UI. If it is …

---

## [Neuronavigation using Kinect sensor](https://discourse.slicer.org/t/neuronavigation-using-kinect-sensor/44290)

<div class="topic-metadata">

**Author:** [@coldfire85](https://discourse.slicer.org/u/coldfire85)\
**Replies:** 0\
**Last updated:** [August 31, 2025, 11:24am UTC](https://discourse.slicer.org/t/neuronavigation-using-kinect-sensor/44290 "2025-08-31T11:24:44Z")

</div>

I am trying to implement Neuronavigation using Kinect Hardware , till now i have built the plus-server to recognise the Kinect hardware and i get both RGB and Depth streams and RGB-D (Fused streams) as well , I am wonder…

---

## [Markup and Reformat](https://discourse.slicer.org/t/markup-and-reformat/44282)

<div class="topic-metadata">

**Author:** [@Saladi](https://discourse.slicer.org/u/Saladi)\
**Replies:** 0\
**Last updated:** [August 30, 2025, 6:56am UTC](https://discourse.slicer.org/t/markup-and-reformat/44282 "2025-08-30T06:56:36Z")

</div>

i have made a measurement of fetus head circumference using a markup. I have used “Reformat” to get to the right plane and then I have saved the scene. When i open the scene and click on the markup, it is taking me to t…

---

## [The values in the rotation field are not saved](https://discourse.slicer.org/t/the-values-in-the-rotation-field-are-not-saved/44234)

<div class="topic-metadata">

**Author:** [@Konstantin](https://discourse.slicer.org/u/Konstantin)\
**Replies:** 8\
**Last updated:** [August 30, 2025, 5:44am UTC](https://discourse.slicer.org/t/the-values-in-the-rotation-field-are-not-saved/44234 "2025-08-30T05:44:23Z")

</div>

Hello everyone. I have a task - to record the displacement of fragments in all planes when they move. I use the transforms module. But I encountered the following problem: all values ​​in the “rotation” field are reset t…

---

## [How to Convert .mhd + .raw 3D Time-Series Images into a 4D DICOM in 3D Slicer?](https://discourse.slicer.org/t/how-to-convert-mhd-raw-3d-time-series-images-into-a-4d-dicom-in-3d-slicer/44280)

<div class="topic-metadata">

**Author:** [@sprp2025uci](https://discourse.slicer.org/u/sprp2025uci)\
**Replies:** 1\
**Last updated:** [August 30, 2025, 4:12am UTC](https://discourse.slicer.org/t/how-to-convert-mhd-raw-3d-time-series-images-into-a-4d-dicom-in-3d-slicer/44280 "2025-08-30T04:12:02Z")

</div>

Hi, I am working with publicly available 3D echocardiographic datasets stored as .mhd + .raw files, along with corresponding .vtk mesh files for each time frame. I would like to convert these into a single 4D DICOM (cin…

---

## [Is branch splitting like VMTK tutorial possible in Slicer?](https://discourse.slicer.org/t/is-branch-splitting-like-vmtk-tutorial-possible-in-slicer/44273)

<div class="topic-metadata">

**Author:** [@mikebind](https://discourse.slicer.org/u/mikebind)\
**Replies:** 2\
**Last updated:** [August 29, 2025, 10:21pm UTC](https://discourse.slicer.org/t/is-branch-splitting-like-vmtk-tutorial-possible-in-slicer/44273 "2025-08-29T22:21:30Z")

</div>

I am interested in carrying out branch splitting exactly as shown in this tutorial: Branch Splitting | vmtk - the Vascular Modelling Toolkit I am familiar with using vmtk for single centerlines, and am now exploring it…

---

## [Annoying frame after slice view on 3d](https://discourse.slicer.org/t/annoying-frame-after-slice-view-on-3d/44247)

<div class="topic-metadata">

**Author:** [@mohammed\_alshakhas](https://discourse.slicer.org/u/mohammed_alshakhas)\
**Replies:** 7\
**Last updated:** [August 29, 2025, 10:16pm UTC](https://discourse.slicer.org/t/annoying-frame-after-slice-view-on-3d/44247 "2025-08-29T22:16:34Z")

</div>

often i get this frame not going away after slice view on 3d . no matter what i do i cant get rid of . i have to start all over again

---

## [Resize and move the slice view interactively in the 3D view](https://discourse.slicer.org/t/resize-and-move-the-slice-view-interactively-in-the-3d-view/44270)

<div class="topic-metadata">

**Author:** [@mohammed\_alshakhas](https://discourse.slicer.org/u/mohammed_alshakhas)\
**Replies:** 0\
**Last updated:** [August 29, 2025, 6:30pm UTC](https://discourse.slicer.org/t/resize-and-move-the-slice-view-interactively-in-the-3d-view/44270 "2025-08-29T18:30:26Z")

</div>

is it possible to re size the slice being viewed on 3d ? i manipulate the size of the slice view and move the center around to adjust the size of slice . it would be great if that can be done natively

---

## [Radiomics feature extraction](https://discourse.slicer.org/t/radiomics-feature-extraction/44267)

<div class="topic-metadata">

**Author:** [@Meltem](https://discourse.slicer.org/u/Meltem)\
**Replies:** 1\
**Last updated:** [August 29, 2025, 6:44pm UTC](https://discourse.slicer.org/t/radiomics-feature-extraction/44267 "2025-08-29T18:44:26Z")

</div>

Hello. I am using 3D Slicer 5.8.1 for my radiomics study. I already have radiologic images (mri) in nifti format and segmentations in nrrd format. What should I do to extract features using my images and segmentations? I…

---

## [How to create dynamic StylusToReference transform from NDI tracker data?](https://discourse.slicer.org/t/how-to-create-dynamic-stylustoreference-transform-from-ndi-tracker-data/44254)

<div class="topic-metadata">

**Author:** [@jonh\_wick](https://discourse.slicer.org/u/jonh_wick)\
**Replies:** 1\
**Last updated:** [August 29, 2025, 6:28pm UTC](https://discourse.slicer.org/t/how-to-create-dynamic-stylustoreference-transform-from-ndi-tracker-data/44254 "2025-08-29T18:28:30Z")

</div>

Hi all,大家好 I am working with an NDI tracker in 3D Slicer and I have two transforms provided dynamically by the tracker: StylusToTracker ReferenceToTracker What I would like to obtain in real time is the transfo…

---

## [Adding near-real time collaborative manual segmentation](https://discourse.slicer.org/t/adding-near-real-time-collaborative-manual-segmentation/29255)

<div class="topic-metadata">

**Author:** [@kchawla-pi](https://discourse.slicer.org/u/kchawla-pi)\
**Replies:** 5\
**Last updated:** [August 29, 2025, 6:20pm UTC](https://discourse.slicer.org/t/adding-near-real-time-collaborative-manual-segmentation/29255 "2025-08-29T18:20:10Z")

</div>

I am looking into building a plugin to collaboratively annotate and segment sMRI. The idea is that we can invite specific people via email and they (and only they) can all join and collaborate a volume as a team via a lo…

---

## [Can't open a local file on web UI?](https://discourse.slicer.org/t/cant-open-a-local-file-on-web-ui/44255)

<div class="topic-metadata">

**Author:** [@Rod\_Whiteley](https://discourse.slicer.org/u/Rod_Whiteley)\
**Replies:** 3\
**Last updated:** [August 29, 2025, 5:26pm UTC](https://discourse.slicer.org/t/cant-open-a-local-file-on-web-ui/44255 "2025-08-29T17:26:40Z")

</div>

Operating system: Windows 11 Slicer version: 5.03 Expected behavior: Upload a nrrd file to analyse Actual behavior: can’t access local files (Downloads folder) from

---

## [Surface Measurements & Model Comparison in 3D Slicer](https://discourse.slicer.org/t/surface-measurements-model-comparison-in-3d-slicer/44264)

<div class="topic-metadata">

**Author:** [@Faisal\_Alshaikh](https://discourse.slicer.org/u/Faisal_Alshaikh)\
**Replies:** 1\
**Last updated:** [August 29, 2025, 5:12pm UTC](https://discourse.slicer.org/t/surface-measurements-model-comparison-in-3d-slicer/44264 "2025-08-29T17:12:59Z")

</div>

Hello everyone, I am currently testing 3D Slicer with surface models exported from the Vectra H2 system (.obj format with texture). The models import and display correctly in the 3D view, but I could not find direct opt…

---

## [Slicer Crashing on MacOS Sequoia 15.6.1](https://discourse.slicer.org/t/slicer-crashing-on-macos-sequoia-15-6-1/44250)

<div class="topic-metadata">

**Author:** [@Joseph\_Pincus](https://discourse.slicer.org/u/Joseph_Pincus)\
**Replies:** 4\
**Last updated:** [August 29, 2025, 3:07pm UTC](https://discourse.slicer.org/t/slicer-crashing-on-macos-sequoia-15-6-1/44250 "2025-08-29T15:07:24Z")

</div>

Hi all, I am working on a relatively simple project taking some measurements on MRIs. I have an M3 processor running MacOS Sequoia 15.6.1 with 18GB of memory. I am running Slicer 5.8.1. It was working fine for months, …

---

## [Transform Clarifications](https://discourse.slicer.org/t/transform-clarifications/44151)

<div class="topic-metadata">

**Author:** [@tbugajski](https://discourse.slicer.org/u/tbugajski)\
**Replies:** 4\
**Last updated:** [August 29, 2025, 3:28pm UTC](https://discourse.slicer.org/t/transform-clarifications/44151 "2025-08-29T15:28:17Z")

</div>

Hi SAM team, I have a quick question regarding the transformation outputs when creating a partial volume. Based on the photo below, I would assume that combining {bone}.tfm and {bone}\_PVOL2AUT.tfm would give the result …

[Previous page](https://discourse.slicer.org/latest.md?page=40)

[Next page](https://discourse.slicer.org/latest.md?page=42)