# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=99

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

**Page:** 100

---

## [Dual 3D Layout with Dual Compare](https://discourse.slicer.org/t/dual-3d-layout-with-dual-compare/35744)

<div class="topic-metadata">

**Author:** [@Deep\_Learning](https://discourse.slicer.org/u/Deep_Learning)\
**Replies:** 1\
**Last updated:** [April 26, 2024, 2:03pm UTC](https://discourse.slicer.org/t/dual-3d-layout-with-dual-compare/35744 "2024-04-26T14:03:42Z")

</div>

Is there a layout with dual 3d viewers that simultaneously display 2 volumes in a compare mode? ie. loading two segmentations and two volumes. “Dual 3d” allows display of one volume. Thank you all 3dslicer developers pa…

---

## [Question about segmentation of the aortic valve](https://discourse.slicer.org/t/question-about-segmentation-of-the-aortic-valve/15426)

<div class="topic-metadata">

**Author:** [@Anonymous\_Person](https://discourse.slicer.org/u/Anonymous_Person)\
**Replies:** 3\
**Last updated:** [April 26, 2024, 8:48am UTC](https://discourse.slicer.org/t/question-about-segmentation-of-the-aortic-valve/15426 "2024-04-26T08:48:28Z")

</div>

Operating system: MacOS Slicer version:4.11.20200930 Expected behavior: Actual behavior: Hey everyone! Pretty new to Slicer, but I’m currently using it to segment a section of the aortic root so that the cusps of th…

---

## [Conversion to binary labelmap freezes Slicer](https://discourse.slicer.org/t/conversion-to-binary-labelmap-freezes-slicer/35733)

<div class="topic-metadata">

**Author:** [@koenterheegde](https://discourse.slicer.org/u/koenterheegde)\
**Replies:** 4\
**Last updated:** [April 26, 2024, 7:18am UTC](https://discourse.slicer.org/t/conversion-to-binary-labelmap-freezes-slicer/35733 "2024-04-26T07:18:36Z")

</div>

Hey everyone, I have been using Slicer a lot to generate a .STL from a segmentation. The nice thing in here was that I could apply smoothing very easily. I’m doing the segmentation myself now, and generate a .STL from i…

---

## [Failure to install extension dependency does not lead to overall install failure](https://discourse.slicer.org/t/failure-to-install-extension-dependency-does-not-lead-to-overall-install-failure/35713)

<div class="topic-metadata">

**Author:** [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Replies:** 8\
**Last updated:** [April 25, 2024, 5:54pm UTC](https://discourse.slicer.org/t/failure-to-install-extension-dependency-does-not-lead-to-overall-install-failure/35713 "2024-04-25T17:54:02Z")

</div>

I used today’s nightly to install SlicerIDCBrowser extension. When trying to load DICOM segmentations I downloaded from IDC using that extension, I realized that QuantitativeReporting extension, which is its dependency, …

---

## [HoloLens 2 gets stuck on "Receiving … " using SlicerVirtualReality](https://discourse.slicer.org/t/hololens-2-gets-stuck-on-receiving-using-slicervirtualreality/35708)

<div class="topic-metadata">

**Author:** [@Moiz](https://discourse.slicer.org/u/Moiz)\
**Replies:** 2\
**Last updated:** [April 25, 2024, 3:11pm UTC](https://discourse.slicer.org/t/hololens-2-gets-stuck-on-receiving-using-slicervirtualreality/35708 "2024-04-25T15:11:02Z")

</div>

Hi I’m new to 3D slicer and VR. I was trying to show a 3d segmented brain model using the SlicerVirtualReality extension with openXR backend on my HoloLens2 using holographic remoting player. it says “receiving…” for an …

---

## [Updating script repository with a command to enable crosshair visibility](https://discourse.slicer.org/t/updating-script-repository-with-a-command-to-enable-crosshair-visibility/21073)

<div class="topic-metadata">

**Author:** [@koeglfryderyk](https://discourse.slicer.org/u/koeglfryderyk)\
**Replies:** 4\
**Last updated:** [April 25, 2024, 1:37pm UTC](https://discourse.slicer.org/t/updating-script-repository-with-a-command-to-enable-crosshair-visibility/21073 "2024-04-25T13:37:44Z")

</div>

I’m not sure if this is the correct place for such a request, however: There are a lot of examples with the Crosshair in the script repository, however, none of them actually says that you have to make the crosshair vis…

---

## [Export table data for use/analysis in Excel](https://discourse.slicer.org/t/export-table-data-for-use-analysis-in-excel/35683)

<div class="topic-metadata">

**Author:** [@Justus\_Muller-Goebel](https://discourse.slicer.org/u/Justus_Muller-Goebel)\
**Replies:** 3\
**Last updated:** [April 25, 2024, 12:49pm UTC](https://discourse.slicer.org/t/export-table-data-for-use-analysis-in-excel/35683 "2024-04-25T12:49:36Z")

</div>

Hi there, I am pretty new to 3D-slicer but enjoying the features a lot. I recently used the function “line profile” to collect data on a CBCT along a straight line. After plotting the curve in 2 dimension the individua…

---

## [Can't edit segmentation created from a labelmap outside a box](https://discourse.slicer.org/t/cant-edit-segmentation-created-from-a-labelmap-outside-a-box/35709)

<div class="topic-metadata">

**Author:** [@Matteboo](https://discourse.slicer.org/u/Matteboo)\
**Replies:** 2\
**Last updated:** [April 25, 2024, 12:01pm UTC](https://discourse.slicer.org/t/cant-edit-segmentation-created-from-a-labelmap-outside-a-box/35709 "2024-04-25T12:01:40Z")

</div>

Hello, I created a segmentation from a labelmap. I tried to edit this segmentation using the segment editor but I can’t get outside of a box that seems to be the smallest box around my segmentation In green you can …

---

## [Extract isosurface(or contour surface) from skin segment by MarchingCube](https://discourse.slicer.org/t/extract-isosurface-or-contour-surface-from-skin-segment-by-marchingcube/27763)

<div class="topic-metadata">

**Author:** [@Slicer360](https://discourse.slicer.org/u/Slicer360)\
**Replies:** 2\
**Last updated:** [February 12, 2023, 9:03am UTC](https://discourse.slicer.org/t/extract-isosurface-or-contour-surface-from-skin-segment-by-marchingcube/27763 "2023-02-12T09:03:55Z")

</div>

Tasks: The facial skin was segmented from the craniofacial CT image, and the.ply/.stl file was obtained for registration with the actual face point cloud collected by the depth camera. Question: In the Segmentation mo…

---

## [How to Create of Surface Meshes from Parallel Polygons using VTK and Python](https://discourse.slicer.org/t/how-to-create-of-surface-meshes-from-parallel-polygons-using-vtk-and-python/35557)

<div class="topic-metadata">

**Author:** [@shahrokh](https://discourse.slicer.org/u/shahrokh)\
**Replies:** 8\
**Last updated:** [April 25, 2024, 4:41am UTC](https://discourse.slicer.org/t/how-to-create-of-surface-meshes-from-parallel-polygons-using-vtk-and-python/35557 "2024-04-25T04:41:17Z")

</div>

Hello Dear Developers and Users I have several polygons that are parallel to each other and spaced at certain intervals. These are of type “model” and their mesh type is Surface Mesh (vtkPolyData). This data has been p…

---

## [Create .seg.nrrd file outside of slicer](https://discourse.slicer.org/t/create-seg-nrrd-file-outside-of-slicer/32274)

<div class="topic-metadata">

**Author:** [@Mark\_Banghart](https://discourse.slicer.org/u/Mark_Banghart)\
**Replies:** 13\
**Last updated:** [April 25, 2024, 2:52am UTC](https://discourse.slicer.org/t/create-seg-nrrd-file-outside-of-slicer/32274 "2024-04-25T02:52:06Z")

</div>

We have a number of OCT with segmentation data done with legacy systems. I would like to convert the OCT files are DICOM files and they load mostly alright. They are loaded by drag and drop and selecting volume. The .nrr…

---

## [How to scale dimensions of the segmentations to match new volume image spacing](https://discourse.slicer.org/t/how-to-scale-dimensions-of-the-segmentations-to-match-new-volume-image-spacing/28744)

<div class="topic-metadata">

**Author:** [@testzj](https://discourse.slicer.org/u/testzj)\
**Replies:** 12\
**Last updated:** [April 24, 2024, 11:02pm UTC](https://discourse.slicer.org/t/how-to-scale-dimensions-of-the-segmentations-to-match-new-volume-image-spacing/28744 "2024-04-24T23:02:35Z")

</div>

So I have run into an issue here. I started segmenting a z-stack of images and forgot to specify the volume image spacing dimensions beforehand. After changing the volume to the correct images the segmentations no long…

---

## [Extension download fails complaining about HTTPS](https://discourse.slicer.org/t/extension-download-fails-complaining-about-https/35686)

<div class="topic-metadata">

**Author:** [@Juergen](https://discourse.slicer.org/u/Juergen)\
**Replies:** 3\
**Last updated:** [April 24, 2024, 8:15pm UTC](https://discourse.slicer.org/t/extension-download-fails-complaining-about-https/35686 "2024-04-24T20:15:38Z")

</div>

Hello, I keep having this problem with downloading extensions from the Slicer app. This is the message I get for any extension: \[FD\] DevTools listening on ws://127.0.0.1:1337/devtools/browser/d41c38da-7491-4300-893a-06…

---

## [SlicerVirtualReality extension stuck hololens 2 on "Receiving..."](https://discourse.slicer.org/t/slicervirtualreality-extension-stuck-hololens-2-on-receiving/35717)

<div class="topic-metadata">

**Author:** [@Moiz](https://discourse.slicer.org/u/Moiz)\
**Replies:** 0\
**Last updated:** [April 24, 2024, 7:41pm UTC](https://discourse.slicer.org/t/slicervirtualreality-extension-stuck-hololens-2-on-receiving/35717 "2024-04-24T19:41:32Z")

</div>

Hi I’m new to 3d slicer and VR. I’m trying to show 3d segmented brain on my HoloLens 2 using the extension SlicerVirtualReality using OpenXR backend and using holographic remote player on HoloLens 2 I try to connect it t…

---

## [Impossible to return to the extensions list once extension is opened](https://discourse.slicer.org/t/impossible-to-return-to-the-extensions-list-once-extension-is-opened/35714)

<div class="topic-metadata">

**Author:** [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Replies:** 2\
**Last updated:** [April 24, 2024, 6:02pm UTC](https://discourse.slicer.org/t/impossible-to-return-to-the-extensions-list-once-extension-is-opened/35714 "2024-04-24T18:02:02Z")

</div>

If I open a specific extension, I do not see a way to return to the extensions list. The only way to do that appears to be restart. This is observed with yesterday’s preview on Linux.

---

## [Not equally spaced error... solution?](https://discourse.slicer.org/t/not-equally-spaced-error-solution/35710)

<div class="topic-metadata">

**Author:** [@Gonzalo\_Rojas\_Costa](https://discourse.slicer.org/u/Gonzalo_Rojas_Costa)\
**Replies:** 1\
**Last updated:** [April 24, 2024, 4:45pm UTC](https://discourse.slicer.org/t/not-equally-spaced-error-solution/35710 "2024-04-24T16:45:37Z")

</div>

Hi: I am currently trying to load CT images (3D Slicer 5.7.0-2024-04-22 r32818 / 6884806), and I got the following error: “Image slices are not equally spaced (1.5 spacing was expected, 4.5 spacing was found between fi…

---

## [Load specific DICOM Data with Python in Slicer 5.6.1](https://discourse.slicer.org/t/load-specific-dicom-data-with-python-in-slicer-5-6-1/35314)

<div class="topic-metadata">

**Author:** [@paleomariomm](https://discourse.slicer.org/u/paleomariomm)\
**Replies:** 13\
**Last updated:** [April 24, 2024, 2:44pm UTC](https://discourse.slicer.org/t/load-specific-dicom-data-with-python-in-slicer-5-6-1/35314 "2024-04-24T14:44:52Z")

</div>

I created this script in Python to load iteratively different CTs stored in different folders under a same root folder. In some CTs I came across something unexpected. In the example of next image I loaded Patient W-584…

---

## [Recommendations for PM&R case study](https://discourse.slicer.org/t/recommendations-for-pm-r-case-study/35678)

<div class="topic-metadata">

**Author:** [@betelgeux](https://discourse.slicer.org/u/betelgeux)\
**Replies:** 1\
**Last updated:** [April 24, 2024, 1:01pm UTC](https://discourse.slicer.org/t/recommendations-for-pm-r-case-study/35678 "2024-04-24T13:01:38Z")

</div>

I would like to ask for your recommendations. Although I am a data scientist, I have never worked professionally in the medical domain or the field of medical imaging. However, someone close to me — a specialist in Physi…

---

## [2D+t registration/segmentation](https://discourse.slicer.org/t/2d-t-registration-segmentation/35673)

<div class="topic-metadata">

**Author:** [@ffournier13](https://discourse.slicer.org/u/ffournier13)\
**Replies:** 3\
**Last updated:** [April 24, 2024, 12:48pm UTC](https://discourse.slicer.org/t/2d-t-registration-segmentation/35673 "2024-04-24T12:48:46Z")

</div>

Hi, I’m trying to segment/register a 2D+t MRI of the stomach to study the peristalsis propagation waves. I’ve followed this video tutorial for 3D+t images: https://www.youtube.com/watch?v=qVgXdXEEVFU&t=66s. I’ve tried t…

---

## [Adding a text annotation to a DICOM dataset that will volume-render…](https://discourse.slicer.org/t/adding-a-text-annotation-to-a-dicom-dataset-that-will-volume-render/34874)

<div class="topic-metadata">

**Author:** [@JJ\_Harvey](https://discourse.slicer.org/u/JJ_Harvey)\
**Replies:** 4\
**Last updated:** [April 24, 2024, 12:16pm UTC](https://discourse.slicer.org/t/adding-a-text-annotation-to-a-dicom-dataset-that-will-volume-render/34874 "2024-04-24T12:16:52Z")

</div>

Could someone please tell me if the annotations that can be seen in these volume-rendered images (from DICOM) were likely to have been added with Slicer and, if so, how is this done? Thanks in advance for any/all…

---

## [Running TotalSegmentator from Python Console](https://discourse.slicer.org/t/running-totalsegmentator-from-python-console/35461)

<div class="topic-metadata">

**Author:** [@evaherbst](https://discourse.slicer.org/u/evaherbst)\
**Replies:** 16\
**Last updated:** [April 24, 2024, 9:03am UTC](https://discourse.slicer.org/t/running-totalsegmentator-from-python-console/35461 "2024-04-24T09:03:15Z")

</div>

Hello, I wrote a script to run TotalSegmentator from the python console so I can automatically change some names and run it on several volumes in the scene. It works, but there is still the prompt whether to run it in …

---

## [How to use TotalSegmentator from Script with "--no-main-window" option](https://discourse.slicer.org/t/how-to-use-totalsegmentator-from-script-with-no-main-window-option/28144)

<div class="topic-metadata">

**Author:** [@Sergio](https://discourse.slicer.org/u/Sergio)\
**Replies:** 6\
**Last updated:** [April 24, 2024, 5:44am UTC](https://discourse.slicer.org/t/how-to-use-totalsegmentator-from-script-with-no-main-window-option/28144 "2024-04-24T05:44:26Z")

</div>

Hi everyone, I am new 3DSlicer user. I was able to develop my own script which can use TotalSegmentator automatically. But I would like to run it without graphical interface. The script is working well with graphical i…

---

## [How can I create a 4D segmentation sequence?](https://discourse.slicer.org/t/how-can-i-create-a-4d-segmentation-sequence/35698)

<div class="topic-metadata">

**Author:** [@Francesca\_Lo\_Iacono](https://discourse.slicer.org/u/Francesca_Lo_Iacono)\
**Replies:** 1\
**Last updated:** [April 24, 2024, 1:25am UTC](https://discourse.slicer.org/t/how-can-i-create-a-4d-segmentation-sequence/35698 "2024-04-24T01:25:14Z")

</div>

Hi! How can I create a 4D segmentation sequence?

---

## [Monai auto3dsegmenta - error from python package information](https://discourse.slicer.org/t/monai-auto3dsegmenta-error-from-python-package-information/35693)

<div class="topic-metadata">

**Author:** [@eNable\_Polska](https://discourse.slicer.org/u/eNable_Polska)\
**Replies:** 1\
**Last updated:** [April 24, 2024, 1:13am UTC](https://discourse.slicer.org/t/monai-auto3dsegmenta-error-from-python-package-information/35693 "2024-04-24T01:13:42Z")

</div>

I cannot run the Monai Auto3dseg module. Python package information gives me the following information: Traceback (most recent call last): File "C:\\Users\\krzys\\AppData\\Local\\slicer.org\\Slicer 5.6.2\\bin\\Python\\slicer\\u…

---

## [Ultrasound Mindray DC-70](https://discourse.slicer.org/t/ultrasound-mindray-dc-70/3613)

<div class="topic-metadata">

**Author:** [@Ezequiel](https://discourse.slicer.org/u/Ezequiel)\
**Replies:** 14\
**Last updated:** [April 23, 2024, 9:43pm UTC](https://discourse.slicer.org/t/ultrasound-mindray-dc-70/3613 "2024-04-23T21:43:17Z")

</div>

Good morning, I need to make a printable STL file using the Ultrasound Mindray DC-70. Is it possible to do this with 3D Slicer? Thank you very much.

---

## [ImageAugmenter extension released!](https://discourse.slicer.org/t/imageaugmenter-extension-released/35690)

<div class="topic-metadata">

**Author:** [@ciro.raggio](https://discourse.slicer.org/u/ciro.raggio)\
**Replies:** 0\
**Last updated:** [April 23, 2024, 5:54pm UTC](https://discourse.slicer.org/t/imageaugmenter-extension-released/35690 "2024-04-23T17:54:22Z")

</div>

We are happy to announce that the ImageAugmenter extension is now available in the preview release of 3D Slicer. This new extension lets you easily augment your medical image datasets without writing a single line of cod…

---

## [Obtain Centerline model from centerline curves](https://discourse.slicer.org/t/obtain-centerline-model-from-centerline-curves/35619)

<div class="topic-metadata">

**Author:** [@bserrano](https://discourse.slicer.org/u/bserrano)\
**Replies:** 2\
**Last updated:** [April 23, 2024, 1:18pm UTC](https://discourse.slicer.org/t/obtain-centerline-model-from-centerline-curves/35619 "2024-04-23T13:18:09Z")

</div>

Hi all, I have some markups curves. The points of the curves are created with an external software. I want to use some modules in 3D Slicer but they require a “Centerline model” instead of a centerline curve. How can I …

---

## [Dosimetry Analysis on Neuroendocrine Tumor using Lu177](https://discourse.slicer.org/t/dosimetry-analysis-on-neuroendocrine-tumor-using-lu177/35679)

<div class="topic-metadata">

**Author:** [@madhulika\_mehrotra](https://discourse.slicer.org/u/madhulika_mehrotra)\
**Replies:** 3\
**Last updated:** [April 23, 2024, 12:57pm UTC](https://discourse.slicer.org/t/dosimetry-analysis-on-neuroendocrine-tumor-using-lu177/35679 "2024-04-23T12:57:02Z")

</div>

Hello, I am a scientist, working in department of Nuclear Medicine, AIIMS, New Delhi, India. I have a government project, in which I have to perform dosimetry analysis on Neuroendocrine Tumor using Lu177. I have patie…

---

## [Vessel segmentation: how do you do it? - Surgical planning](https://discourse.slicer.org/t/vessel-segmentation-how-do-you-do-it-surgical-planning/35672)

<div class="topic-metadata">

**Author:** [@ILB](https://discourse.slicer.org/u/ILB)\
**Replies:** 0\
**Last updated:** [April 23, 2024, 9:45am UTC](https://discourse.slicer.org/t/vessel-segmentation-how-do-you-do-it-surgical-planning/35672 "2024-04-23T09:45:37Z")

</div>

Hello! I would like some help with blood vessels segmentation. I have tried several approaches, but I only get good results with big vessels. I can’t seem to properly segment the small vessels that surround organs, such…

---

## [Cardiac MRI automatic segmentation](https://discourse.slicer.org/t/cardiac-mri-automatic-segmentation/35660)

<div class="topic-metadata">

**Author:** [@Francesca\_Lo\_Iacono](https://discourse.slicer.org/u/Francesca_Lo_Iacono)\
**Replies:** 0\
**Last updated:** [April 22, 2024, 8:37pm UTC](https://discourse.slicer.org/t/cardiac-mri-automatic-segmentation/35660 "2024-04-22T20:37:48Z")

</div>

Hello! Is there an automatic way to segment cardiac MRI short axis? Thank you

[Previous page](https://discourse.slicer.org/c/support/11.md?page=98)

[Next page](https://discourse.slicer.org/c/support/11.md?page=100)