# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=144

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

**Page:** 145

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## [Comparison of 3D slicer to geomagic software for volume change](https://discourse.slicer.org/t/comparison-of-3d-slicer-to-geomagic-software-for-volume-change/31332)

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**Author:** [@aljarkow](https://discourse.slicer.org/u/aljarkow)\
**Replies:** 2\
**Last updated:** [August 24, 2023, 7:40pm UTC](https://discourse.slicer.org/t/comparison-of-3d-slicer-to-geomagic-software-for-volume-change/31332 "2023-08-24T19:40:55Z")

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Hello all, Does anyone have insight into whether 3D slicer is as accurate as Geomagic software for calculating small changes in volume between 2 STL files (at the micron level)? I have not been able to find sources com…

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## [Merging 2D markup curves into 3D surfaces](https://discourse.slicer.org/t/merging-2d-markup-curves-into-3d-surfaces/31337)

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**Author:** [@Emanuel\_Tschopp](https://discourse.slicer.org/u/Emanuel_Tschopp)\
**Replies:** 1\
**Last updated:** [August 24, 2023, 4:12pm UTC](https://discourse.slicer.org/t/merging-2d-markup-curves-into-3d-surfaces/31337 "2023-08-24T16:12:49Z")

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I need to measure distances between growth lines in teeth. Because the CT-scan is not perfectly aligned to the longitudinal axis of the teeth, I wondered if it was possible to first use the Markup tool to mark individua…

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## [4D Echo VR use issues](https://discourse.slicer.org/t/4d-echo-vr-use-issues/27217)

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**Author:** [@rlinke](https://discourse.slicer.org/u/rlinke)\
**Replies:** 7\
**Last updated:** [August 24, 2023, 3:54pm UTC](https://discourse.slicer.org/t/4d-echo-vr-use-issues/27217 "2023-08-24T15:54:52Z")

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I wanted to reach out about our recent challenges viewing 4D echo in VR utilizing Slicer. We are able to get the 3D data into Slicer, but we are only getting one time point of the cardiac cycle. We are taking 3D acquisit…

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## [Slicer 5.4 stable version keeps freezing on macOS Ventura 13.4.1 with M2 processor](https://discourse.slicer.org/t/slicer-5-4-stable-version-keeps-freezing-on-macos-ventura-13-4-1-with-m2-processor/31320)

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**Author:** [@mohammed\_alshakhas](https://discourse.slicer.org/u/mohammed_alshakhas)\
**Replies:** 7\
**Last updated:** [August 24, 2023, 1:50pm UTC](https://discourse.slicer.org/t/slicer-5-4-stable-version-keeps-freezing-on-macos-ventura-13-4-1-with-m2-processor/31320 "2023-08-24T13:50:49Z")

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5.4 stable version keeps freezing every single time I use it

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## [Question about DRR](https://discourse.slicer.org/t/question-about-drr/31286)

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**Author:** [@MYasinMohammadi](https://discourse.slicer.org/u/MYasinMohammadi)\
**Replies:** 1\
**Last updated:** [August 24, 2023, 11:04am UTC](https://discourse.slicer.org/t/question-about-drr/31286 "2023-08-24T11:04:32Z")

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I have prepared a DRR image using Plastimatch Gray rings can be seen in the display of this image. What is the cause of this phenomenon?

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## [Moving DICOM Database between Versions](https://discourse.slicer.org/t/moving-dicom-database-between-versions/31311)

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**Author:** [@Markb](https://discourse.slicer.org/u/Markb)\
**Replies:** 4\
**Last updated:** [August 24, 2023, 8:28am UTC](https://discourse.slicer.org/t/moving-dicom-database-between-versions/31311 "2023-08-24T08:28:35Z")

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Hi all. I’ve been using an earlier version of Slicer (think it was 4.11) and I had a python script to run through segments and create new outputs based on masking each segment. I was doing this on a virtual machine runn…

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## [Markup module and Cyrillic charset](https://discourse.slicer.org/t/markup-module-and-cyrillic-charset/31299)

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**Author:** [@Grigoriy\_Postolskiy](https://discourse.slicer.org/u/Grigoriy_Postolskiy)\
**Replies:** 4\
**Last updated:** [August 24, 2023, 8:10am UTC](https://discourse.slicer.org/t/markup-module-and-cyrillic-charset/31299 "2023-08-24T08:10:34Z")

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Hello! I tried to set a Cyrillic text as control point name in Markups module but this text didn’t visualize on the slice. Is it possible to visualize Cyrillic symbols on slices in 3D Slicer? Regards, Grigoriy Posto…

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## [Model-to-Model Distance - What is units of distance?](https://discourse.slicer.org/t/model-to-model-distance-what-is-units-of-distance/28837)

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**Author:** [@KAMONCHAT\_APIVANICHK](https://discourse.slicer.org/u/KAMONCHAT_APIVANICHK)\
**Replies:** 4\
**Last updated:** [August 24, 2023, 7:31am UTC](https://discourse.slicer.org/t/model-to-model-distance-what-is-units-of-distance/28837 "2023-08-24T07:31:43Z")

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I try to use ‘Model-to-Model Distance’ for measuring the distance between two model. The output showed the color map, so I wonder what is units, maybe mm. or others. And positive values mean? negative values mean?

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## [Automate setting source volume and geometry in Segment Editor ](https://discourse.slicer.org/t/automate-setting-source-volume-and-geometry-in-segment-editor/31324)

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**Author:** [@warrj](https://discourse.slicer.org/u/warrj)\
**Replies:** 1\
**Last updated:** [August 24, 2023, 4:37am UTC](https://discourse.slicer.org/t/automate-setting-source-volume-and-geometry-in-segment-editor/31324 "2023-08-24T04:37:55Z")

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Hello, When I open the segment editor module, I’d like the source volume and geometry to automatically be set to a specific volume which I have loaded into the display view. Is it possible to automate this in my code? T…

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## [Slicer starts up with a blank screen then "Slicerapp-real.exe not responding" error](https://discourse.slicer.org/t/slicer-starts-up-with-a-blank-screen-then-slicerapp-real-exe-not-responding-error/21001)

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**Author:** [@Suresh\_M\_K](https://discourse.slicer.org/u/Suresh_M_K)\
**Replies:** 3\
**Last updated:** [December 15, 2021, 6:55pm UTC](https://discourse.slicer.org/t/slicer-starts-up-with-a-blank-screen-then-slicerapp-real-exe-not-responding-error/21001 "2021-12-15T18:55:10Z")

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Operating system:Windows 10 Slicer version: Slicer 4.11.20210226 Expected behavior: Actual behavior: I am new here, tried to install the latest stable version but as soon I launch the slicer it loads and just before …

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## [Retention policy for Preview releases on "slicer-packages.kitware.com"](https://discourse.slicer.org/t/retention-policy-for-preview-releases-on-slicer-packages-kitware-com/31305)

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**Author:** [@jcfr](https://discourse.slicer.org/u/jcfr)\
**Replies:** 0\
**Last updated:** [August 23, 2023, 3:18am UTC](https://discourse.slicer.org/t/retention-policy-for-preview-releases-on-slicer-packages-kitware-com/31305 "2023-08-23T03:18:59Z")

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Overview As of August 22nd 2023, we host 292 Preview releases on our server (slicer-packages.kitware.com). Note that Preview release are different from Stable releases. Stable releases will never be removed. This is r…

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## [Segmented Section does not align with transformed DICOM after export](https://discourse.slicer.org/t/segmented-section-does-not-align-with-transformed-dicom-after-export/31313)

<div class="topic-metadata">

**Author:** [@DaSt](https://discourse.slicer.org/u/DaSt)\
**Replies:** 1\
**Last updated:** [August 23, 2023, 11:22am UTC](https://discourse.slicer.org/t/segmented-section-does-not-align-with-transformed-dicom-after-export/31313 "2023-08-23T11:22:52Z")

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Short: When I import a DICOM series to 3D Slicer it automatically adds a transformation to it, after segmenting a region and exporting it to an STL, I use a third party software to view if the dicom and the STL align whi…

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## [Incomplete Slicer package download - \`gzip: stdin: invalid compressed data--format violated\`](https://discourse.slicer.org/t/incomplete-slicer-package-download-gzip-stdin-invalid-compressed-data-format-violated/29748)

<div class="topic-metadata">

**Author:** [@Tanuki](https://discourse.slicer.org/u/Tanuki)\
**Replies:** 14\
**Last updated:** [June 6, 2023, 3:37pm UTC](https://discourse.slicer.org/t/incomplete-slicer-package-download-gzip-stdin-invalid-compressed-data-format-violated/29748 "2023-06-06T15:37:51Z")

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Downloaded the tar file repeatedly but each one has the same error. The unpacked tar only has the bin and lib directories. gzip: stdin: invalid compressed data--format violated tar: Unexpected EOF in archive tar: Error …

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## [Can 3D Slicer be installed on NVIDIA Jetson?](https://discourse.slicer.org/t/can-3d-slicer-be-installed-on-nvidia-jetson/31291)

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**Author:** [@FWSU](https://discourse.slicer.org/u/FWSU)\
**Replies:** 4\
**Last updated:** [August 23, 2023, 1:46am UTC](https://discourse.slicer.org/t/can-3d-slicer-be-installed-on-nvidia-jetson/31291 "2023-08-23T01:46:05Z")

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hi i want using slicer on nvidia jetson(os : jetpack) but it linux install file is for amd64 so i can’t install this how can i do this help me…

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## [Cannot import ipywidgets into Slicer kernel in Jupyter Notebook](https://discourse.slicer.org/t/cannot-import-ipywidgets-into-slicer-kernel-in-jupyter-notebook/12196)

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**Author:** [@Ponyo2311](https://discourse.slicer.org/u/Ponyo2311)\
**Replies:** 4\
**Last updated:** [August 22, 2023, 7:47pm UTC](https://discourse.slicer.org/t/cannot-import-ipywidgets-into-slicer-kernel-in-jupyter-notebook/12196 "2023-08-22T19:47:58Z")

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Operating system: windows10 Slicer version: Slicer 4.11.0-2020-06-09 Expected behavior: importation of ipywidgets module Actual behavior: ModuleNotFoundError I have opened the Jupyter Notebook from my virtual environ…

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## [How to determine RMSE in Thinplate Registration Mode?](https://discourse.slicer.org/t/how-to-determine-rmse-in-thinplate-registration-mode/31296)

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**Author:** [@julian](https://discourse.slicer.org/u/julian)\
**Replies:** 0\
**Last updated:** [August 22, 2023, 4:32pm UTC](https://discourse.slicer.org/t/how-to-determine-rmse-in-thinplate-registration-mode/31296 "2023-08-22T16:32:40Z")

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Hello, I am running registrations in Thinplate mode of Landmark Registration. Now, I want to determine the RMSE of these registrations to check the accuracy, but I am not sure how to do it. Has anyone experience on this …

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## [Volumes cropping and comparing](https://discourse.slicer.org/t/volumes-cropping-and-comparing/31295)

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**Author:** [@DrAssadawy](https://discourse.slicer.org/u/DrAssadawy)\
**Replies:** 0\
**Last updated:** [August 22, 2023, 4:30pm UTC](https://discourse.slicer.org/t/volumes-cropping-and-comparing/31295 "2023-08-22T16:30:08Z")

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How can I subtract two volumes ? and the best methods of volume registration?

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## [How to export segments as one object with colors](https://discourse.slicer.org/t/how-to-export-segments-as-one-object-with-colors/31256)

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**Author:** [@Mehdi\_Khamesi](https://discourse.slicer.org/u/Mehdi_Khamesi)\
**Replies:** 5\
**Last updated:** [August 22, 2023, 3:33pm UTC](https://discourse.slicer.org/t/how-to-export-segments-as-one-object-with-colors/31256 "2023-08-22T15:33:52Z")

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Operating system: Windows 10 Slicer version: 5.2.2 Expected behavior: Creating volumetric mesh Actual behavior: exporting few segment as one object with their colors Hello everyone, I want to import part of brain in…

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## [ I can't segment the model](https://discourse.slicer.org/t/i-cant-segment-the-model/31289)

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**Author:** [@JOSE\_LUIS\_CORRAL\_PUM](https://discourse.slicer.org/u/JOSE_LUIS_CORRAL_PUM)\
**Replies:** 0\
**Last updated:** [August 22, 2023, 2:25pm UTC](https://discourse.slicer.org/t/i-cant-segment-the-model/31289 "2023-08-22T14:25:19Z")

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Operating system: Windows 10 Procesador AMD Ryzen 5 7600X 6-Core Processor 4.70 GHz RAM instalada 32,0 GB (31,1 GB usable) Tipo de sistema Sistema operativo de 64 bits, procesador basado en x64 Slicer …

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## [I have problem with local treshold ](https://discourse.slicer.org/t/i-have-problem-with-local-treshold/31288)

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**Author:** [@daBi](https://discourse.slicer.org/u/daBi)\
**Replies:** 0\
**Last updated:** [August 22, 2023, 2:25pm UTC](https://discourse.slicer.org/t/i-have-problem-with-local-treshold/31288 "2023-08-22T14:25:07Z")

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Hi , my version of slicer is 5.2.2 and i dont know where and how i can use local treshold , i really need this , Please for help

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## [Question bout Radiotherapy Gamma comarsion](https://discourse.slicer.org/t/question-bout-radiotherapy-gamma-comarsion/31287)

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**Author:** [@MYasinMohammadi](https://discourse.slicer.org/u/MYasinMohammadi)\
**Replies:** 0\
**Last updated:** [August 22, 2023, 2:25pm UTC](https://discourse.slicer.org/t/question-bout-radiotherapy-gamma-comarsion/31287 "2023-08-22T14:25:03Z")

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Hello, forum members I have a question regarding the use of gamma module for dose comparison. In this module, by changing the existing parameters, we have reached new results and the green surface has changed. How impo…

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## [Colour map creation](https://discourse.slicer.org/t/colour-map-creation/31276)

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**Author:** [@Mohammed\_Abdul\_Majee](https://discourse.slicer.org/u/Mohammed_Abdul_Majee)\
**Replies:** 0\
**Last updated:** [August 22, 2023, 6:14am UTC](https://discourse.slicer.org/t/colour-map-creation/31276 "2023-08-22T06:14:29Z")

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Operating system: Macbook pro Slicer version: 5.2.2 Expected behavior: Colour map creation when loading the output file (created from model to model distance) in the ShapePopulationViewer module Actual behavior: It ju…

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## [Error during voxel based registration](https://discourse.slicer.org/t/error-during-voxel-based-registration/31270)

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**Author:** [@EduardoCaleme](https://discourse.slicer.org/u/EduardoCaleme)\
**Replies:** 1\
**Last updated:** [August 22, 2023, 5:40am UTC](https://discourse.slicer.org/t/error-during-voxel-based-registration/31270 "2023-08-22T05:40:44Z")

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Hello 3d slicer forum, I have a problem that I hope someone can help me with. I am trying to do a growing voxel based registration based on the cranial base on a patient ( I am using the CMF registration extension ). S…

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## [Sequence registration module](https://discourse.slicer.org/t/sequence-registration-module/7299)

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**Author:** [@Jainey](https://discourse.slicer.org/u/Jainey)\
**Replies:** 5\
**Last updated:** [August 22, 2023, 5:38am UTC](https://discourse.slicer.org/t/sequence-registration-module/7299 "2023-08-22T05:38:43Z")

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Has the sequence registration module been renamed or something? It doesn’t come up after installing the latest nightly in windows or Mac, It was usually under sequences; Other 3 categories are there (crop volume sequenc…

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## [Can't find Model to model distance](https://discourse.slicer.org/t/cant-find-model-to-model-distance/31272)

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**Author:** [@Mohammed\_Abdul\_Majee](https://discourse.slicer.org/u/Mohammed_Abdul_Majee)\
**Replies:** 2\
**Last updated:** [August 22, 2023, 5:37am UTC](https://discourse.slicer.org/t/cant-find-model-to-model-distance/31272 "2023-08-22T05:37:13Z")

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I am using Slicer version 5.2.2 and I could not find the model to model distance extension in the SPharm module. Therefore I am not able create a colour map.

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## [Saving the model after Fiducial registration Model with CBCT](https://discourse.slicer.org/t/saving-the-model-after-fiducial-registration-model-with-cbct/30895)

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**Author:** [@YOU\_DDS](https://discourse.slicer.org/u/YOU_DDS)\
**Replies:** 3\
**Last updated:** [August 22, 2023, 2:04am UTC](https://discourse.slicer.org/t/saving-the-model-after-fiducial-registration-model-with-cbct/30895 "2023-08-22T02:04:25Z")

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Operating system: Slicer version: I have follow your advice in the picture and it work as you have said but I have trouble saving that STL file into that registration location so that if I want to check that case next …

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## [CMF Extension, Surface registration fail to mark up more than one reference point or surface](https://discourse.slicer.org/t/cmf-extension-surface-registration-fail-to-mark-up-more-than-one-reference-point-or-surface/30990)

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**Author:** [@YOU\_DDS](https://discourse.slicer.org/u/YOU_DDS)\
**Replies:** 1\
**Last updated:** [August 22, 2023, 2:01am UTC](https://discourse.slicer.org/t/cmf-extension-surface-registration-fail-to-mark-up-more-than-one-reference-point-or-surface/30990 "2023-08-22T02:01:35Z")

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Good afternoon everyone, I have just worked with 3D slicer, I am trying to superimpose segmented mandible and dental model using CMF reg, Surface registration. I am not sure it is the right module for this task or not.…

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## [The new version 5.2.2 ROI Registration in Surface registration cannot add online 1 landmark unlike version 4.5.0-1](https://discourse.slicer.org/t/the-new-version-5-2-2-roi-registration-in-surface-registration-cannot-add-online-1-landmark-unlike-version-4-5-0-1/31149)

<div class="topic-metadata">

**Author:** [@YOU\_DDS](https://discourse.slicer.org/u/YOU_DDS)\
**Replies:** 1\
**Last updated:** [August 22, 2023, 2:01am UTC](https://discourse.slicer.org/t/the-new-version-5-2-2-roi-registration-in-surface-registration-cannot-add-online-1-landmark-unlike-version-4-5-0-1/31149 "2023-08-22T02:01:08Z")

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Greeting all the professors and everyone in this community, I want to do surface registration of 2 models using ROI Registration in Surface Registration in CMFreg. I have install the new version 5.2.2 of slicer, but I …

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## [Markup contours to labelmaps conversion](https://discourse.slicer.org/t/markup-contours-to-labelmaps-conversion/31263)

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**Author:** [@alireza](https://discourse.slicer.org/u/alireza)\
**Replies:** 3\
**Last updated:** [August 21, 2023, 5:25pm UTC](https://discourse.slicer.org/t/markup-contours-to-labelmaps-conversion/31263 "2023-08-21T17:25:41Z")

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I have questions regarding interprotability between contours and labelmaps. I’m aware of DICOM RT module and polySEG and how we can convert RTSTRUCT to labelmap to edit etc. My questions are Without having an RT, is i…

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## [Extension search difficulties](https://discourse.slicer.org/t/extension-search-difficulties/31264)

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**Author:** [@alireza](https://discourse.slicer.org/u/alireza)\
**Replies:** 1\
**Last updated:** [August 21, 2023, 4:21pm UTC](https://discourse.slicer.org/t/extension-search-difficulties/31264 "2023-08-21T16:21:23Z")

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seems like the extensions search cannot handle queries unless they match 100% with the name of the etension

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