# Support

**URL:** https://discourse.slicer.org/c/support/11.md?no_subcategories=false&page=60

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

**Page:** 61

---

## [Setting or Trimming Slice Range for DICOM Images](https://discourse.slicer.org/t/setting-or-trimming-slice-range-for-dicom-images/40715)

<div class="topic-metadata">

**Author:** [@Kowsar\_Sheikhi](https://discourse.slicer.org/u/Kowsar_Sheikhi)\
**Replies:** 1\
**Last updated:** [December 16, 2024, 7:26pm UTC](https://discourse.slicer.org/t/setting-or-trimming-slice-range-for-dicom-images/40715 "2024-12-16T19:26:55Z")

</div>

Hi! Would it be possible to define a specific range of slices for the DICOM images imported into 3D Slicer? Or perhaps trim the range of interest? Thanks!

---

## [Segment Statistics Module on 3D Slicer 5.6.2](https://discourse.slicer.org/t/segment-statistics-module-on-3d-slicer-5-6-2/40714)

<div class="topic-metadata">

**Author:** [@imbeatriz](https://discourse.slicer.org/u/imbeatriz)\
**Replies:** 9\
**Last updated:** [December 16, 2024, 3:53pm UTC](https://discourse.slicer.org/t/segment-statistics-module-on-3d-slicer-5-6-2/40714 "2024-12-16T15:53:42Z")

</div>

Hi everyone! I wanted to use the Segment Statistics module to validate the VOIs I segmented using Scalar Volume Statistic, but it doesn’t seem to be working in my 3D Slicer version 5.6.2. Does anyone what this could be…

---

## [ Issue with Resliced Images from SPM12 Not Reflecting Alignment in 3D Slicer](https://discourse.slicer.org/t/issue-with-resliced-images-from-spm12-not-reflecting-alignment-in-3d-slicer/40716)

<div class="topic-metadata">

**Author:** [@Akihito](https://discourse.slicer.org/u/Akihito)\
**Replies:** 1\
**Last updated:** [December 16, 2024, 3:17pm UTC](https://discourse.slicer.org/t/issue-with-resliced-images-from-spm12-not-reflecting-alignment-in-3d-slicer/40716 "2024-12-16T15:17:17Z")

</div>

I am currently evaluating the effects of hypertensive disorders of pregnancy on white matter in children using pediatric brain MRI data and 3D Slicer. After performing image alignment on 3DT1 images using SPM12, I notice…

---

## [Segmentation in volume rendering mode](https://discourse.slicer.org/t/segmentation-in-volume-rendering-mode/40693)

<div class="topic-metadata">

**Author:** [@alex\_He](https://discourse.slicer.org/u/alex_He)\
**Replies:** 9\
**Last updated:** [December 16, 2024, 1:48pm UTC](https://discourse.slicer.org/t/segmentation-in-volume-rendering-mode/40693 "2024-12-16T13:48:29Z")

</div>

Hi I am trying to do segmentation in 3d view in volume rendering mode but failed, any advise?

---

## [Shadow rendering issue with transparency](https://discourse.slicer.org/t/shadow-rendering-issue-with-transparency/36557)

<div class="topic-metadata">

**Author:** [@mohammed\_alshakhas](https://discourse.slicer.org/u/mohammed_alshakhas)\
**Replies:** 14\
**Last updated:** [December 16, 2024, 1:18pm UTC](https://discourse.slicer.org/t/shadow-rendering-issue-with-transparency/36557 "2024-12-16T13:18:25Z")

</div>

I find the shadow visibility feature to be so good, I love it but is it possible to make the effect stronger / weaker? I wish it were not ON by default it has an issue when segments are transparent. The attached pic i…

---

## [Letters appended to filenames?](https://discourse.slicer.org/t/letters-appended-to-filenames/40656)

<div class="topic-metadata">

**Author:** [@hherhold](https://discourse.slicer.org/u/hherhold)\
**Replies:** 6\
**Last updated:** [December 15, 2024, 4:12pm UTC](https://discourse.slicer.org/t/letters-appended-to-filenames/40656 "2024-12-15T16:12:53Z")

</div>

Apologies if this topic has been addressed, I searched back several months but didn’t see anything regarding this. This is with Slicer preview 12-06 on Windows. Filenames of certain files (MRML in particular) are being …

---

## [Curve will not confine to model surfaces](https://discourse.slicer.org/t/curve-will-not-confine-to-model-surfaces/39525)

<div class="topic-metadata">

**Author:** [@Jones](https://discourse.slicer.org/u/Jones)\
**Replies:** 4\
**Last updated:** [December 15, 2024, 4:06pm UTC](https://discourse.slicer.org/t/curve-will-not-confine-to-model-surfaces/39525 "2024-12-15T16:06:35Z")

</div>

I am trying to take semilandmarks on 3D mandible models through taking several open curves on each mandible. For the first 20 models I sampled I didn’t have any problems, but now when I press ‘confine curve to model surf…

---

## [How to perform 2d~3d registration](https://discourse.slicer.org/t/how-to-perform-2d-3d-registration/28730)

<div class="topic-metadata">

**Author:** [@zhang-qiang-github](https://discourse.slicer.org/u/zhang-qiang-github)\
**Replies:** 7\
**Last updated:** [December 15, 2024, 5:17am UTC](https://discourse.slicer.org/t/how-to-perform-2d-3d-registration/28730 "2024-12-15T05:17:13Z")

</div>

Does slicer provide a tool for 2d-3d registration? I have a 3D CTA and a 2D US, and I want to perform a registration. Is it possible?

---

## [\<urlopen error \[Errno 111\] Connection refused\> for HD brain extraction tool, how to solve it?](https://discourse.slicer.org/t/urlopen-error-errno-111-connection-refused-for-hd-brain-extraction-tool-how-to-solve-it/40701)

<div class="topic-metadata">

**Author:** [@yibingchen2023](https://discourse.slicer.org/u/yibingchen2023)\
**Replies:** 0\
**Last updated:** [December 15, 2024, 4:05am UTC](https://discourse.slicer.org/t/urlopen-error-errno-111-connection-refused-for-hd-brain-extraction-tool-how-to-solve-it/40701 "2024-12-15T04:05:24Z")

</div>

When I used the HD brain extraction tool, it always appear the url error (connection refused). I am in China, how can I solve this problem?

---

## [moving and reflecting an entire markup curve](https://discourse.slicer.org/t/moving-and-reflecting-an-entire-markup-curve/40690)

<div class="topic-metadata">

**Author:** [@Elizabeth\_Miller](https://discourse.slicer.org/u/Elizabeth_Miller)\
**Replies:** 2\
**Last updated:** [December 15, 2024, 2:30am UTC](https://discourse.slicer.org/t/moving-and-reflecting-an-entire-markup-curve/40690 "2024-12-15T02:30:14Z")

</div>

Hello: I have a case where the left tooth is broken but the right tooth is not. We want to approximate a landmark on the tip of the left tooth by making a curve on the unbroken tooth, cloning it and moving it to where t…

---

## [Ear cartilage segmentation](https://discourse.slicer.org/t/ear-cartilage-segmentation/37519)

<div class="topic-metadata">

**Author:** [@suleyman\_cecen](https://discourse.slicer.org/u/suleyman_cecen)\
**Replies:** 1\
**Last updated:** [December 14, 2024, 10:51pm UTC](https://discourse.slicer.org/t/ear-cartilage-segmentation/37519 "2024-12-14T22:51:41Z")

</div>

Greetings, I am trying to segment outer ear cartilage from a CT scan. Is there any easy way to do it?

---

## [ Error occurred during install : blosc2?](https://discourse.slicer.org/t/error-occurred-during-install-blosc2/40687)

<div class="topic-metadata">

**Author:** [@RamonWest](https://discourse.slicer.org/u/RamonWest)\
**Replies:** 1\
**Last updated:** [December 14, 2024, 2:35am UTC](https://discourse.slicer.org/t/error-occurred-during-install-blosc2/40687 "2024-12-14T02:35:19Z")

</div>

Hi there, someone familiar with this report(read below) when pushing the button ‘Aplly’ with the DentalSegmentator add on? 2024/12/13 20:00:12.016 :: Start nnUNet install with requirements : nnunetv2 2024/12/13 20:00:…

---

## [Why does my HD Brain Extration Tool fail to computing?](https://discourse.slicer.org/t/why-does-my-hd-brain-extration-tool-fail-to-computing/40627)

<div class="topic-metadata">

**Author:** [@researchtomliu](https://discourse.slicer.org/u/researchtomliu)\
**Replies:** 2\
**Last updated:** [December 14, 2024, 1:34am UTC](https://discourse.slicer.org/t/why-does-my-hd-brain-extration-tool-fail-to-computing/40627 "2024-12-14T01:34:19Z")

</div>

Hello, I have updated the Slicer to the latest version 5.7. When I used the model “HD Brain Extration Tool”, It could not comptue and gave some error warnning masages. How to solve it? Thanks! Traceback (most recent cal…

---

## [dentalsegmentator Failed to load the segmentation, Something went wrong during the nnUNet processing.](https://discourse.slicer.org/t/dentalsegmentator-failed-to-load-the-segmentation-something-went-wrong-during-the-nnunet-processing/40682)

<div class="topic-metadata">

**Author:** [@g.alh](https://discourse.slicer.org/u/g.alh)\
**Replies:** 1\
**Last updated:** [December 13, 2024, 3:58pm UTC](https://discourse.slicer.org/t/dentalsegmentator-failed-to-load-the-segmentation-something-went-wrong-during-the-nnunet-processing/40682 "2024-12-13T15:58:18Z")

</div>

I need help with this error I couldn’t figure it out regarding dentalsegmenttor 2024/12/13 17:49:45.935 :: nnUNet is already installed (2.5.1) and compatible with requested version (nnunetv2). 2024/12/13 17:49:59.535 :…

---

## [Use full power of Python in Slicer](https://discourse.slicer.org/t/use-full-power-of-python-in-slicer/7162)

<div class="topic-metadata">

**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Replies:** 16\
**Last updated:** [December 13, 2024, 6:00am UTC](https://discourse.slicer.org/t/use-full-power-of-python-in-slicer/7162 "2024-12-13T06:00:21Z")

</div>

Until recently, Slicer used a custom Python build that was not binary compatible with third-party Python packages. Now, in latest Slicer Preview release, any Python packages can be installed and used in Slicer (except th…

---

## [Changing the default algorithm for model creation in segment editor](https://discourse.slicer.org/t/changing-the-default-algorithm-for-model-creation-in-segment-editor/40657)

<div class="topic-metadata">

**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 1\
**Last updated:** [December 13, 2024, 5:30am UTC](https://discourse.slicer.org/t/changing-the-default-algorithm-for-model-creation-in-segment-editor/40657 "2024-12-13T05:30:16Z")

</div>

Is the new model extraction option (flying edges?) going to be made default in the upcoming stable? In the previews, one still needs to manually switch to it.

---

## [See numerical values of vectors](https://discourse.slicer.org/t/see-numerical-values-of-vectors/40665)

<div class="topic-metadata">

**Author:** [@naito](https://discourse.slicer.org/u/naito)\
**Replies:** 2\
**Last updated:** [December 12, 2024, 9:27pm UTC](https://discourse.slicer.org/t/see-numerical-values-of-vectors/40665 "2024-12-12T21:27:00Z")

</div>

Operating system: Windows10 Slicer version: 5.7.0-1206 Expected behavior: Contributing to Improved alignment accuracy Actual behavior: I can\`t see the nemerical values because i only have vector images. I would like …

---

## [Measure length, width and trajectory Using slicer](https://discourse.slicer.org/t/measure-length-width-and-trajectory-using-slicer/40652)

<div class="topic-metadata">

**Author:** [@Basil\_Berinyuy](https://discourse.slicer.org/u/Basil_Berinyuy)\
**Replies:** 0\
**Last updated:** [December 12, 2024, 3:23pm UTC](https://discourse.slicer.org/t/measure-length-width-and-trajectory-using-slicer/40652 "2024-12-12T15:23:52Z")

</div>

Hi there, I am currently trying to simulate the trajectory of a screw, including measuring the length and width. Does anyone know how to draw a line on a spine CT data set using 3D slicer that can be used to determine th…

---

## [About the multi phases cardiac ct segmentation](https://discourse.slicer.org/t/about-the-multi-phases-cardiac-ct-segmentation/40646)

<div class="topic-metadata">

**Author:** [@whu](https://discourse.slicer.org/u/whu)\
**Replies:** 0\
**Last updated:** [December 12, 2024, 10:51am UTC](https://discourse.slicer.org/t/about-the-multi-phases-cardiac-ct-segmentation/40646 "2024-12-12T10:51:49Z")

</div>

hello,it seemed that this topic has been talked five years ago. But may I ask, is there module or good gui that could support this work ? thanks for any suggestions.

---

## [How to upload skull base CT segmentation model](https://discourse.slicer.org/t/how-to-upload-skull-base-ct-segmentation-model/26322)

<div class="topic-metadata">

**Author:** [@gang\_wu](https://discourse.slicer.org/u/gang_wu)\
**Replies:** 5\
**Last updated:** [December 12, 2024, 9:33am UTC](https://discourse.slicer.org/t/how-to-upload-skull-base-ct-segmentation-model/26322 "2024-12-12T09:33:53Z")

</div>

Operating system:mac Slicer version:5.0 Expected behavior: Actual behavior: Hi I am a neurosurgeon and have been using 3D slicer for 10 years. Early works focused on anatomical learning with personal terminals. The …

---

## [Uncorrect Polydata Mesh via OpenIGTLinkIf](https://discourse.slicer.org/t/uncorrect-polydata-mesh-via-openigtlinkif/40642)

<div class="topic-metadata">

**Author:** [@Filippo\_Parronchi](https://discourse.slicer.org/u/Filippo_Parronchi)\
**Replies:** 0\
**Last updated:** [December 11, 2024, 9:50pm UTC](https://discourse.slicer.org/t/uncorrect-polydata-mesh-via-openigtlinkif/40642 "2024-12-11T21:50:47Z")

</div>

Hello everyone, I am sending polydata (meshes) via the IGTLink protocol, specifically ModelNodes obtained from the segments generated by TotalSegmentator. On the Unity side, I have a reception script to reconstruct the …

---

## [What is the advantage of Radiomics features over Deeplearning features?](https://discourse.slicer.org/t/what-is-the-advantage-of-radiomics-features-over-deeplearning-features/40639)

<div class="topic-metadata">

**Author:** [@nikkos](https://discourse.slicer.org/u/nikkos)\
**Replies:** 0\
**Last updated:** [December 11, 2024, 5:04pm UTC](https://discourse.slicer.org/t/what-is-the-advantage-of-radiomics-features-over-deeplearning-features/40639 "2024-12-11T17:04:17Z")

</div>

Dear Slicer Community, I have a general question and I don’t quite understand why you want to use radiomics, because I would have said that a neural network also extracts features based on the structure of the radiologi…

---

## [Registration of anisotropic whole-body CTs on isotropic femur CTs](https://discourse.slicer.org/t/registration-of-anisotropic-whole-body-cts-on-isotropic-femur-cts/40086)

<div class="topic-metadata">

**Author:** [@nikkos](https://discourse.slicer.org/u/nikkos)\
**Replies:** 5\
**Last updated:** [December 11, 2024, 4:58pm UTC](https://discourse.slicer.org/t/registration-of-anisotropic-whole-body-cts-on-isotropic-femur-cts/40086 "2024-12-11T16:58:28Z")

</div>

The following data are available: Low-resolution, anisotropic whole-body CTs (1 x 1 x 0.7 mm) High-resolution, isotropic CTs of the femur (0.08 x 0.08 x 0.08 mm) We want to register the whole-body CT to the femur CT a…

---

## [Version 5.7.0 - DentalSegmentator - problem](https://discourse.slicer.org/t/version-5-7-0-dentalsegmentator-problem/40580)

<div class="topic-metadata">

**Author:** [@Ender](https://discourse.slicer.org/u/Ender)\
**Replies:** 2\
**Last updated:** [December 11, 2024, 3:50pm UTC](https://discourse.slicer.org/t/version-5-7-0-dentalsegmentator-problem/40580 "2024-12-11T15:50:10Z")

</div>

I installed version 5.7.0. After reading the dcom file, I wanted to create DentalSegmentator. After pressing the “Apply” button and waiting a while, the following message appeared in the log. 2024/12/09 10:53:29.712 :: …

---

## [Help with creating fibula guide](https://discourse.slicer.org/t/help-with-creating-fibula-guide/40621)

<div class="topic-metadata">

**Author:** [@Bartek\_Wisniewski](https://discourse.slicer.org/u/Bartek_Wisniewski)\
**Replies:** 1\
**Last updated:** [December 11, 2024, 12:36pm UTC](https://discourse.slicer.org/t/help-with-creating-fibula-guide/40621 "2024-12-11T12:36:16Z")

</div>

Hey, I’m using slicer to create surgical guide for mandible reconstruction. I’m using version 5.6.2 for Mac. When creating points for fiducial list on a surgical guide these points always place themselves far from the s…

---

## [Applying Transform Matrix in python](https://discourse.slicer.org/t/applying-transform-matrix-in-python/40622)

<div class="topic-metadata">

**Author:** [@Tejus\_Surendran](https://discourse.slicer.org/u/Tejus_Surendran)\
**Replies:** 0\
**Last updated:** [December 10, 2024, 10:38pm UTC](https://discourse.slicer.org/t/applying-transform-matrix-in-python/40622 "2024-12-10T22:38:07Z")

</div>

Hello, I have been trying to apply the transform matrix from Slicer in python, however I have had several issues the registrations as it seems like the two scans dont line up. I was wondering if anyone has tried this b…

---

## [Why can I only lable the center part of the images?](https://discourse.slicer.org/t/why-can-i-only-lable-the-center-part-of-the-images/40599)

<div class="topic-metadata">

**Author:** [@Dan\_Cheng](https://discourse.slicer.org/u/Dan_Cheng)\
**Replies:** 2\
**Last updated:** [December 10, 2024, 10:27pm UTC](https://discourse.slicer.org/t/why-can-i-only-lable-the-center-part-of-the-images/40599 "2024-12-10T22:27:15Z")

</div>

this is the geometry of images this is the geometry of segementation I donot manually change anything just wondering if this is the problem? if it is, how to solve this? many thx!

---

## [Tracing outline of models onto plane via curve](https://discourse.slicer.org/t/tracing-outline-of-models-onto-plane-via-curve/40433)

<div class="topic-metadata">

**Author:** [@esomjai](https://discourse.slicer.org/u/esomjai)\
**Replies:** 6\
**Last updated:** [December 10, 2024, 10:25pm UTC](https://discourse.slicer.org/t/tracing-outline-of-models-onto-plane-via-curve/40433 "2024-12-10T22:25:29Z")

</div>

Hi, I have been trying to “translate” some facial approximation studies into slicer. My most pressing issue is the complexity of facial scans - I am using data from the NMDID, so the resolution is good, but when I try …

---

## [Is it possible to add a global undo button?](https://discourse.slicer.org/t/is-it-possible-to-add-a-global-undo-button/16859)

<div class="topic-metadata">

**Author:** [@slicer365](https://discourse.slicer.org/u/slicer365)\
**Replies:** 7\
**Last updated:** [December 10, 2024, 9:15pm UTC](https://discourse.slicer.org/t/is-it-possible-to-add-a-global-undo-button/16859 "2024-12-10T21:15:40Z")

</div>

Sometimes during the process, I accidentally moved the model and wanted to return it. I found it difficult. I had to move it back manually, but it was not very accurate.Of course, there are still many situations. If ther…

---

## [Combining Multiple DICOM Volumes into a Single High-Quality Volume for Segmentation](https://discourse.slicer.org/t/combining-multiple-dicom-volumes-into-a-single-high-quality-volume-for-segmentation/40609)

<div class="topic-metadata">

**Author:** [@Mateo23](https://discourse.slicer.org/u/Mateo23)\
**Replies:** 1\
**Last updated:** [December 10, 2024, 9:11pm UTC](https://discourse.slicer.org/t/combining-multiple-dicom-volumes-into-a-single-high-quality-volume-for-segmentation/40609 "2024-12-10T21:11:04Z")

</div>

Hello everyone, I am working on a DICOM dataset with three volumes (axial, sagittal, and coronal) of a brain MRI study. Each volume is clear and high-quality for its respective orientation (e.g., axial cuts in the axial…

[Previous page](https://discourse.slicer.org/c/support/11.md?no_subcategories=false&page=59)

[Next page](https://discourse.slicer.org/c/support/11.md?no_subcategories=false&page=61)