# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=108

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

**Page:** 109

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## [Is there a way to segment the pelvic floor muscles?](https://discourse.slicer.org/t/is-there-a-way-to-segment-the-pelvic-floor-muscles/34826)

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**Author:** [@Benny\_Zamir](https://discourse.slicer.org/u/Benny_Zamir)\
**Replies:** 1\
**Last updated:** [March 12, 2024, 4:17am UTC](https://discourse.slicer.org/t/is-there-a-way-to-segment-the-pelvic-floor-muscles/34826 "2024-03-12T04:17:53Z")

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Hi Is there a way to segment the pelvic floor muscles?

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## [How to access the threshold slider in volume rendering module through python?](https://discourse.slicer.org/t/how-to-access-the-threshold-slider-in-volume-rendering-module-through-python/34820)

<div class="topic-metadata">

**Author:** [@ebin1234](https://discourse.slicer.org/u/ebin1234)\
**Replies:** 2\
**Last updated:** [March 12, 2024, 4:09am UTC](https://discourse.slicer.org/t/how-to-access-the-threshold-slider-in-volume-rendering-module-through-python/34820 "2024-03-12T04:09:16Z")

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Hello, I would like to know how to access the threshold slider in volume rendering module through python. By changing the threshold values in the code will change the upper and lower limits of the slider. The scalar opa…

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## [I cannot load the .mat file.](https://discourse.slicer.org/t/i-cannot-load-the-mat-file/34840)

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**Author:** [@Leitbe](https://discourse.slicer.org/u/Leitbe)\
**Replies:** 1\
**Last updated:** [March 12, 2024, 3:14am UTC](https://discourse.slicer.org/t/i-cannot-load-the-mat-file/34840 "2024-03-12T03:14:02Z")

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Operating system:Windows11 Slicer version:5.6.1 Expected behavior:Load successful Actual behavior:load failed.

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## [A problem about the feature extraction of 3D dose distribution](https://discourse.slicer.org/t/a-problem-about-the-feature-extraction-of-3d-dose-distribution/34824)

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**Author:** [@fanfan](https://discourse.slicer.org/u/fanfan)\
**Replies:** 0\
**Last updated:** [March 11, 2024, 2:24pm UTC](https://discourse.slicer.org/t/a-problem-about-the-feature-extraction-of-3d-dose-distribution/34824 "2024-03-11T14:24:21Z")

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Hi teachers,as a novice, I already know that medical images can be extracted with image features by 3Dslicer ,but I want to use 3D slicer to extract dose data features from 3D radiotherapy dose images. Is it possible? Th…

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## [DICOM load failure](https://discourse.slicer.org/t/dicom-load-failure/34823)

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**Author:** [@ahmed\_barakat](https://discourse.slicer.org/u/ahmed_barakat)\
**Replies:** 1\
**Last updated:** [March 11, 2024, 2:23pm UTC](https://discourse.slicer.org/t/dicom-load-failure/34823 "2024-03-11T14:23:45Z")

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Operating system: win 11 Slicer version: 5.4.0 Expected behavior: loading dicom files Actual behavior: error occured while loading certain files I am trying to load dicom files as usual by dragging and dropping and I…

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## [radiomics problem](https://discourse.slicer.org/t/radiomics-problem/34809)

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**Author:** [@mhs](https://discourse.slicer.org/u/mhs)\
**Replies:** 3\
**Last updated:** [March 11, 2024, 11:56am UTC](https://discourse.slicer.org/t/radiomics-problem/34809 "2024-03-11T11:56:03Z")

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why i use radiomics to image feature extraction but no data

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## [How to map the volume of bladder tumor](https://discourse.slicer.org/t/how-to-map-the-volume-of-bladder-tumor/34817)

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**Author:** [@mhs](https://discourse.slicer.org/u/mhs)\
**Replies:** 0\
**Last updated:** [March 11, 2024, 4:49am UTC](https://discourse.slicer.org/t/how-to-map-the-volume-of-bladder-tumor/34817 "2024-03-11T04:49:45Z")

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I want to use 3d slicer to extract image data from bladder cancer ct, such as tumor volume. Do you have any good extensions recommendatons

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## [Unspecified Error Opening Python-Generated DICOM File in 3D Slicer](https://discourse.slicer.org/t/unspecified-error-opening-python-generated-dicom-file-in-3d-slicer/34813)

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**Author:** [@rcapozza](https://discourse.slicer.org/u/rcapozza)\
**Replies:** 1\
**Last updated:** [March 10, 2024, 6:40pm UTC](https://discourse.slicer.org/t/unspecified-error-opening-python-generated-dicom-file-in-3d-slicer/34813 "2024-03-10T18:40:55Z")

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Hello, I’ve created a DICOM file using a Python script that processes a pixel array. This file opens without any issues in applications like Fiji and ezDICOM, indicating that the data is intact and correctly formatted a…

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## [Segmenting outer heart walls & septum for developing heart mold](https://discourse.slicer.org/t/segmenting-outer-heart-walls-septum-for-developing-heart-mold/34808)

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**Author:** [@Marthe](https://discourse.slicer.org/u/Marthe)\
**Replies:** 0\
**Last updated:** [March 10, 2024, 1:52pm UTC](https://discourse.slicer.org/t/segmenting-outer-heart-walls-septum-for-developing-heart-mold/34808 "2024-03-10T13:52:17Z")

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Dear all For my Master Thesis I need an ± anatomically correct, physical heart phantom and for this I should produce a heart mold. I intended to make a heart mold based on ideas described in the work of Tibamoso-Pedraza…

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## [loading failed: Unable to allocate 113 GiB](https://discourse.slicer.org/t/loading-failed-unable-to-allocate-113-gib/34801)

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**Author:** [@aochaoyu](https://discourse.slicer.org/u/aochaoyu)\
**Replies:** 2\
**Last updated:** [March 9, 2024, 10:41pm UTC](https://discourse.slicer.org/t/loading-failed-unable-to-allocate-113-gib/34801 "2024-03-09T22:41:52Z")

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I use the Image Stacks module, and a Slicer error window pops up. The content is “loading failed: Unable to allocate 113 GiB for an array with shape (206,19200,30720) and data type uint8”. I would like to ask the seniors…

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## [Rabbit brain parcellation by Slicer](https://discourse.slicer.org/t/rabbit-brain-parcellation-by-slicer/34802)

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**Author:** [@Kousno](https://discourse.slicer.org/u/Kousno)\
**Replies:** 0\
**Last updated:** [March 9, 2024, 5:20pm UTC](https://discourse.slicer.org/t/rabbit-brain-parcellation-by-slicer/34802 "2024-03-09T17:20:03Z")

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Operating system:PC Slicer version:3.6.1 Expected behavior: Actual behavior:

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## [How to access Labelmap indexes and change them?](https://discourse.slicer.org/t/how-to-access-labelmap-indexes-and-change-them/34797)

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**Author:** [@apparrilla](https://discourse.slicer.org/u/apparrilla)\
**Replies:** 0\
**Last updated:** [March 9, 2024, 12:29pm UTC](https://discourse.slicer.org/t/how-to-access-labelmap-indexes-and-change-them/34797 "2024-03-09T12:29:39Z")

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Hi everyone! I´m trying to manage imports from mask volumes and have some trouble with index of segments inside them. For example: I have a mask.nii.gz with 3 segments inside (1:bone, 2:fat , 3:muscle) I also have a …

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## [Fixing image spacing for ultrasound images](https://discourse.slicer.org/t/fixing-image-spacing-for-ultrasound-images/34487)

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**Author:** [@Arian\_Amini](https://discourse.slicer.org/u/Arian_Amini)\
**Replies:** 10\
**Last updated:** [March 8, 2024, 10:35pm UTC](https://discourse.slicer.org/t/fixing-image-spacing-for-ultrasound-images/34487 "2024-03-08T22:35:19Z")

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Hello, I recently began using 3D Slicer to measure ultrasound images, but the ruler isn’t at a 1:1 scale with the ultrasound images (see attached). Other forum posts state that this is an image spacing issue that can be…

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## [Wayland: \[VTK\] GLEW could not be initialized: Unknown error](https://discourse.slicer.org/t/wayland-vtk-glew-could-not-be-initialized-unknown-error/34788)

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**Author:** [@chir.set](https://discourse.slicer.org/u/chir.set)\
**Replies:** 2\
**Last updated:** [March 8, 2024, 9:24pm UTC](https://discourse.slicer.org/t/wayland-vtk-glew-could-not-be-initialized-unknown-error/34788 "2024-03-08T21:24:57Z")

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Hi all, KDE on Arch Linux is now at version 6 and uses Wayland by default. X11 is still available but support seems decreased, and it will probably stop some day. The problem with Slicer is the appearance of this messa…

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## [Having trouble to fuse MRI PET images from mice brain-newbie](https://discourse.slicer.org/t/having-trouble-to-fuse-mri-pet-images-from-mice-brain-newbie/34770)

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**Author:** [@Aurorasp](https://discourse.slicer.org/u/Aurorasp)\
**Replies:** 1\
**Last updated:** [March 8, 2024, 9:20pm UTC](https://discourse.slicer.org/t/having-trouble-to-fuse-mri-pet-images-from-mice-brain-newbie/34770 "2024-03-08T21:20:52Z")

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Operating system: Windows11 pro Slicer version: 5.4 Expected behavior: Actual behavior: Hi all I am very new to all this, and Slicer was the only tool I found online for Windows. I know very well the neuropathology …

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## [Slicer and MonaiLabel installations - best practices for non admin user](https://discourse.slicer.org/t/slicer-and-monailabel-installations-best-practices-for-non-admin-user/34746)

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**Author:** [@evaherbst](https://discourse.slicer.org/u/evaherbst)\
**Replies:** 4\
**Last updated:** [March 8, 2024, 7:34am UTC](https://discourse.slicer.org/t/slicer-and-monailabel-installations-best-practices-for-non-admin-user/34746 "2024-03-08T07:34:08Z")

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Hi all, I finally acquired a computer where I can run MonaiLabel. I will have students working on segmenting the data, and I want them to be able to iteratively train the model (so use it to infer, then adjust, then us…

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## [Using the XNATSlicer plugin](https://discourse.slicer.org/t/using-the-xnatslicer-plugin/3261)

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**Author:** [@ernandez.santos](https://discourse.slicer.org/u/ernandez.santos)\
**Replies:** 7\
**Last updated:** [March 8, 2024, 2:22am UTC](https://discourse.slicer.org/t/using-the-xnatslicer-plugin/3261 "2024-03-08T02:22:57Z")

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Dear I really want to use the XNATSlicer plugin, although I can not perform the integration through 3D Slicer 4.8.1, it complains the error below. I believe I stopped making some steps on the server or on my local mach…

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## [Looking for an efficient approach to isolating a petrosal](https://discourse.slicer.org/t/looking-for-an-efficient-approach-to-isolating-a-petrosal/34769)

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**Author:** [@Eddy\_Armstrong](https://discourse.slicer.org/u/Eddy_Armstrong)\
**Replies:** 0\
**Last updated:** [March 8, 2024, 12:18am UTC](https://discourse.slicer.org/t/looking-for-an-efficient-approach-to-isolating-a-petrosal/34769 "2024-03-08T00:18:34Z")

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I am trying to isolate the petrosal bone from a CT scan of a fossil skull. I’ve managed to segment it out the hard way before, using threshold and paint. But this takes a considerable amount of time, and I always end up…

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## [How do I use Sequences?](https://discourse.slicer.org/t/how-do-i-use-sequences/34768)

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**Author:** [@Jacqueline\_Banh](https://discourse.slicer.org/u/Jacqueline_Banh)\
**Replies:** 0\
**Last updated:** [March 8, 2024, 12:18am UTC](https://discourse.slicer.org/t/how-do-i-use-sequences/34768 "2024-03-08T00:18:13Z")

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Is it possible to load cine images into sequences? How do I load cine images into sequences?

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## [An issue with (Paint), (Draw), and (Level tracing) functions](https://discourse.slicer.org/t/an-issue-with-paint-draw-and-level-tracing-functions/33575)

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**Author:** [@MZA](https://discourse.slicer.org/u/MZA)\
**Replies:** 2\
**Last updated:** [March 7, 2024, 7:05pm UTC](https://discourse.slicer.org/t/an-issue-with-paint-draw-and-level-tracing-functions/33575 "2024-03-07T19:05:10Z")

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Problem report for Slicer 5.6.1 win-amd64: \[please describe expected and actual behavior\] Greetings support team, I am encountering an issue while utilizing functions such as (Paint), (Draw), or (Level tracing) for man…

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## [MHD segmentation coloring](https://discourse.slicer.org/t/mhd-segmentation-coloring/34765)

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**Author:** [@Gokce\_Guven](https://discourse.slicer.org/u/Gokce_Guven)\
**Replies:** 5\
**Last updated:** [March 7, 2024, 6:49pm UTC](https://discourse.slicer.org/t/mhd-segmentation-coloring/34765 "2024-03-07T18:49:49Z")

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Hi, I have segmented body parts using totalsegmentator from dicom files. I have segmentation files as nii.gz files. I have created mhd files from dicom files without resampling. To explain what I would like to do with a…

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## [Application crashes when extracting centerline](https://discourse.slicer.org/t/application-crashes-when-extracting-centerline/34751)

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**Author:** [@Paula\_Feldman](https://discourse.slicer.org/u/Paula_Feldman)\
**Replies:** 2\
**Last updated:** [March 7, 2024, 12:33pm UTC](https://discourse.slicer.org/t/application-crashes-when-extracting-centerline/34751 "2024-03-07T12:33:09Z")

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Unfortunatelly the forum won´t allow me to upload the mesh. i´ve analyzed it and found no clue as to why it fails, with some meshes it works smoothly I´m using the latest slicer stable release

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## [3D printable model of airways](https://discourse.slicer.org/t/3d-printable-model-of-airways/34718)

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**Author:** [@Matteboo](https://discourse.slicer.org/u/Matteboo)\
**Replies:** 1\
**Last updated:** [March 7, 2024, 9:32am UTC](https://discourse.slicer.org/t/3d-printable-model-of-airways/34718 "2024-03-07T09:32:12Z")

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Hello, I’m looking for a 3D printable model of airways. I’m not looking for something patient specific. If anybody has a file laying around of a 3D printable airways tree I’ll happily use it. Otherwise I’ll post mine o…

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## [How to generate a translucent cerebral cortex and display colored nuclei such as the hippocampus under the cortex?](https://discourse.slicer.org/t/how-to-generate-a-translucent-cerebral-cortex-and-display-colored-nuclei-such-as-the-hippocampus-under-the-cortex/34742)

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**Author:** [@zhaosipar](https://discourse.slicer.org/u/zhaosipar)\
**Replies:** 2\
**Last updated:** [March 7, 2024, 7:13am UTC](https://discourse.slicer.org/t/how-to-generate-a-translucent-cerebral-cortex-and-display-colored-nuclei-such-as-the-hippocampus-under-the-cortex/34742 "2024-03-07T07:13:06Z")

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## [Problem with Monaibundle app](https://discourse.slicer.org/t/problem-with-monaibundle-app/32778)

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**Author:** [@franbuemi](https://discourse.slicer.org/u/franbuemi)\
**Replies:** 7\
**Last updated:** [March 7, 2024, 4:16am UTC](https://discourse.slicer.org/t/problem-with-monaibundle-app/32778 "2024-03-07T04:16:37Z")

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I have a problem with MonaiBundle. I just started trying to use the models from the Monailabel Zoo through the MonaiBundle app. When I click on ‘run’ in ‘auto segmentation,’ I get the following error message: ‘Failed to …

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## [Advice on editing STL files of bones ](https://discourse.slicer.org/t/advice-on-editing-stl-files-of-bones/34721)

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**Author:** [@daniel\_reale](https://discourse.slicer.org/u/daniel_reale)\
**Replies:** 2\
**Last updated:** [March 7, 2024, 3:17am UTC](https://discourse.slicer.org/t/advice-on-editing-stl-files-of-bones/34721 "2024-03-07T03:17:26Z")

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Well, So I’m doing my final year project, and as part of it I’ve been printing various versions of the same femur. I had one with the internal cavities, I’ve had one that’s solid throughout, I’ve had big ones and small …

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## [Error with vmtk extension](https://discourse.slicer.org/t/error-with-vmtk-extension/34750)

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**Author:** [@Paula\_Feldman](https://discourse.slicer.org/u/Paula_Feldman)\
**Replies:** 1\
**Last updated:** [March 6, 2024, 10:26pm UTC](https://discourse.slicer.org/t/error-with-vmtk-extension/34750 "2024-03-06T22:26:36Z")

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the following shows up in the python interactor and I cannot use the extension from there, only through the GUI. I´m using the latest stable release Failed to load vtkSlicerCrossSectionAnalysisModuleLogicPython: No modu…

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## [Segment endocast](https://discourse.slicer.org/t/segment-endocast/34728)

<div class="topic-metadata">

**Author:** [@ferpaiva](https://discourse.slicer.org/u/ferpaiva)\
**Replies:** 4\
**Last updated:** [March 6, 2024, 8:14pm UTC](https://discourse.slicer.org/t/segment-endocast/34728 "2024-03-06T20:14:40Z")

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How can I segment endocast? I’m interested to segment out the inner ear of the frog

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## [3D view not working on Linux](https://discourse.slicer.org/t/3d-view-not-working-on-linux/34741)

<div class="topic-metadata">

**Author:** [@casper\_belier](https://discourse.slicer.org/u/casper_belier)\
**Replies:** 2\
**Last updated:** [March 6, 2024, 5:04pm UTC](https://discourse.slicer.org/t/3d-view-not-working-on-linux/34741 "2024-03-06T17:04:35Z")

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Hi, I’m on Linux mint 21, and I am using Slicer 5.6.1. I cannot see a 3D view, even after pressing the center view button.

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## [4D reconstruction left ventrcle from cineMRI](https://discourse.slicer.org/t/4d-reconstruction-left-ventrcle-from-cinemri/34664)

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**Author:** [@Antonio\_Tirotta](https://discourse.slicer.org/u/Antonio_Tirotta)\
**Replies:** 3\
**Last updated:** [March 6, 2024, 1:05pm UTC](https://discourse.slicer.org/t/4d-reconstruction-left-ventrcle-from-cinemri/34664 "2024-03-06T13:05:05Z")

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Good evening, I am trying to reconstruct a 4D view of a ventricle given some medicals cineMRI. The files are in a DICOM format. I have 14 different slices each one containing 30 frames but they are separated in 14 dif…

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