# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=145

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

**Page:** 146

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## [Saving control point phase](https://discourse.slicer.org/t/saving-control-point-phase/31232)

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**Author:** [@admarques](https://discourse.slicer.org/u/admarques)\
**Replies:** 2\
**Last updated:** [August 21, 2023, 2:50pm UTC](https://discourse.slicer.org/t/saving-control-point-phase/31232 "2023-08-21T14:50:10Z")

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Operating system: Ubuntu 22.04.1 Slicer version: 5.2.2 r31382 Expected behavior: Control points save the physical position and the corresponding phase Actual behavior: Control points save only the physical position I…

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## [I would like to change my username](https://discourse.slicer.org/t/i-would-like-to-change-my-username/31254)

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**Author:** [@user\_090](https://discourse.slicer.org/u/user_090)\
**Replies:** 1\
**Last updated:** [August 21, 2023, 12:40pm UTC](https://discourse.slicer.org/t/i-would-like-to-change-my-username/31254 "2023-08-21T12:40:11Z")

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Hi, I realized there’s no option to change my username in the site. Could an administrator change it for me? It can be “user\_090” or anything like that if available. Thanks.

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## [Could not load series as a scalar volume](https://discourse.slicer.org/t/could-not-load-series-as-a-scalar-volume/31221)

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**Author:** [@lvdw](https://discourse.slicer.org/u/lvdw)\
**Replies:** 5\
**Last updated:** [August 21, 2023, 12:01pm UTC](https://discourse.slicer.org/t/could-not-load-series-as-a-scalar-volume/31221 "2023-08-21T12:01:30Z")

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Operating system: Mac OS Slicer version: 5.2.2 Expected behavior: Load DICOM series as a scalar volume Actual behavior: Does’nt load anything So I have a MRI DWI dicom series for which a mask was created (saved as a …

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## [Socket Error #10061 when opening 3Shape DICOM file](https://discourse.slicer.org/t/socket-error-10061-when-opening-3shape-dicom-file/31228)

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**Author:** [@Ripanjit](https://discourse.slicer.org/u/Ripanjit)\
**Replies:** 9\
**Last updated:** [August 20, 2023, 6:49pm UTC](https://discourse.slicer.org/t/socket-error-10061-when-opening-3shape-dicom-file/31228 "2023-08-20T18:49:17Z")

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While opening 3Shape DCM file abutment 3D model file, I am getting error on the clients associated with the server

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## [SegmentMesher, Error: Command 'cleaver-cli.exe' returned non-zero exit status 3221226505](https://discourse.slicer.org/t/segmentmesher-error-command-cleaver-cli-exe-returned-non-zero-exit-status-3221226505/31172)

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**Author:** [@Mehdi\_Khamesi](https://discourse.slicer.org/u/Mehdi_Khamesi)\
**Replies:** 7\
**Last updated:** [August 20, 2023, 6:39pm UTC](https://discourse.slicer.org/t/segmentmesher-error-command-cleaver-cli-exe-returned-non-zero-exit-status-3221226505/31172 "2023-08-20T18:39:01Z")

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Operating system: Windows 10 Slicer version: 5.2.2 Expected behavior: Creating volumetric mesh Actual behavior: Error: Command ‘cleaver-cli.exe’ returned non-zero exit status 3221226505 Hello everyone, I have a Segm…

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## [Mammographic density segmentation](https://discourse.slicer.org/t/mammographic-density-segmentation/10347)

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**Author:** [@paolaco](https://discourse.slicer.org/u/paolaco)\
**Replies:** 15\
**Last updated:** [August 20, 2023, 2:17pm UTC](https://discourse.slicer.org/t/mammographic-density-segmentation/10347 "2023-08-20T14:17:12Z")

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Operating system: Windows 10 Slicer version: 4.10.2 Hi, how to do a mammographic density segmentation in order to show automatic identification of breast density? Thank you, Paola

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## [Viewing GE vivid e95 exported dicoms](https://discourse.slicer.org/t/viewing-ge-vivid-e95-exported-dicoms/31128)

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**Author:** [@thundertfive](https://discourse.slicer.org/u/thundertfive)\
**Replies:** 3\
**Last updated:** [August 20, 2023, 2:03pm UTC](https://discourse.slicer.org/t/viewing-ge-vivid-e95-exported-dicoms/31128 "2023-08-20T14:03:41Z")

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Hi there, I installed SlicerHeart extension and tried to import dicom files exported from the GE vivid e95 machine. It can’t import last volumes and gives the following error: \[Python\] Traceback (most recent call last…

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## [What do the results by Model-to-Model Distance means?](https://discourse.slicer.org/t/what-do-the-results-by-model-to-model-distance-means/31243)

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**Author:** [@KAMONCHAT\_APIVANICHK](https://discourse.slicer.org/u/KAMONCHAT_APIVANICHK)\
**Replies:** 1\
**Last updated:** [August 20, 2023, 1:05am UTC](https://discourse.slicer.org/t/what-do-the-results-by-model-to-model-distance-means/31243 "2023-08-20T01:05:21Z")

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I get a problem about the meaning of value from Model to Model Distance. I set the predicted model as source model and the ground truth model as target model, I thought that the negative value means the predicted model i…

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## [How to achieve split-screen development using Slicer](https://discourse.slicer.org/t/how-to-achieve-split-screen-development-using-slicer/31241)

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**Author:** [@David.Xu](https://discourse.slicer.org/u/David.Xu)\
**Replies:** 1\
**Last updated:** [August 19, 2023, 9:12am UTC](https://discourse.slicer.org/t/how-to-achieve-split-screen-development-using-slicer/31241 "2023-08-19T09:12:18Z")

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I’m unsure where to start with split-screen development using Slicer

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## [Painting in 3D view has tremendous lag](https://discourse.slicer.org/t/painting-in-3d-view-has-tremendous-lag/22804)

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**Author:** [@drvarunagarwal](https://discourse.slicer.org/u/drvarunagarwal)\
**Replies:** 12\
**Last updated:** [August 19, 2023, 9:02am UTC](https://discourse.slicer.org/t/painting-in-3d-view-has-tremendous-lag/22804 "2023-08-19T09:02:40Z")

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Hi, We are developing an extension which requires extensive painting on the 3D model. However there is a tremendous appreciable lag while painting and it takes couple of seconds to catch up. Please see the attached vi…

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## [Visualizing different case](https://discourse.slicer.org/t/visualizing-different-case/31196)

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**Author:** [@Xinyuan\_Wang](https://discourse.slicer.org/u/Xinyuan_Wang)\
**Replies:** 1\
**Last updated:** [August 18, 2023, 9:15pm UTC](https://discourse.slicer.org/t/visualizing-different-case/31196 "2023-08-18T21:15:53Z")

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Is there any useful tool to help me compare different cases and zoom specific area like this?:arrow\_down:

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## [Resolution of segmentations change after saving. ](https://discourse.slicer.org/t/resolution-of-segmentations-change-after-saving/31191)

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**Author:** [@austingrove](https://discourse.slicer.org/u/austingrove)\
**Replies:** 3\
**Last updated:** [August 18, 2023, 9:09pm UTC](https://discourse.slicer.org/t/resolution-of-segmentations-change-after-saving/31191 "2023-08-18T21:09:40Z")

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Hello, After saving segmentations and labels, I have noticed that sometimes certain structures change to a lower resolution. Not all segmentations change to a lower resolution, just some, but it is always the same struc…

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## [Error to load .obj file message: “Failed to read node (null ((null)) ... "](https://discourse.slicer.org/t/error-to-load-obj-file-message-failed-to-read-node-null-null/31223)

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**Author:** [@estro](https://discourse.slicer.org/u/estro)\
**Replies:** 2\
**Last updated:** [August 18, 2023, 8:21pm UTC](https://discourse.slicer.org/t/error-to-load-obj-file-message-failed-to-read-node-null-null/31223 "2023-08-18T20:21:07Z")

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Hello, I am running into an error message logged as: vtkMRMLStorageNode::ReadData: Failed to read node (null) ((nul)) from filename= … .obj’ This is all that the error message gives me when I tried importing an .obj fi…

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## [Scrolling through phases in ct images](https://discourse.slicer.org/t/scrolling-through-phases-in-ct-images/31227)

<div class="topic-metadata">

**Author:** [@admarques](https://discourse.slicer.org/u/admarques)\
**Replies:** 3\
**Last updated:** [August 18, 2023, 8:13pm UTC](https://discourse.slicer.org/t/scrolling-through-phases-in-ct-images/31227 "2023-08-18T20:13:17Z")

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Operating system: Ubuntu 22.04.1 Slicer version: 5.2.2 r31382 Expected behavior: Sequence visualization Actual behavior: The buttons for running the sequence are not active Hello, I’m new to using the 3D Slicer and…

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## [How to display CT images in 3D view](https://discourse.slicer.org/t/how-to-display-ct-images-in-3d-view/31231)

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**Author:** [@miragevideo](https://discourse.slicer.org/u/miragevideo)\
**Replies:** 1\
**Last updated:** [August 18, 2023, 8:10pm UTC](https://discourse.slicer.org/t/how-to-display-ct-images-in-3d-view/31231 "2023-08-18T20:10:28Z")

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I don’t get anything in the 3D window. What do I need to do?

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## [Build arm 32 OpenSSL](https://discourse.slicer.org/t/build-arm-32-openssl/31204)

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**Author:** [@Kening\_Zhang](https://discourse.slicer.org/u/Kening_Zhang)\
**Replies:** 5\
**Last updated:** [August 18, 2023, 5:47pm UTC](https://discourse.slicer.org/t/build-arm-32-openssl/31204 "2023-08-18T17:47:11Z")

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When I try this step, error happens: The error message indicates that the linker could not find some symbol (function, variable, etc.) when trying to build. But I dont know how to solve. Best wishes, Joshua

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## [Warning when closing scene](https://discourse.slicer.org/t/warning-when-closing-scene/31220)

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**Author:** [@lukasvanderstricht](https://discourse.slicer.org/u/lukasvanderstricht)\
**Replies:** 1\
**Last updated:** [August 18, 2023, 4:05pm UTC](https://discourse.slicer.org/t/warning-when-closing-scene/31220 "2023-08-18T16:05:41Z")

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Hi everyone! I am working with slicer and I have developed some scripts that automate certain aspects of the segmentation workflow. These include the functionality that run MONAILabel’s automatic segmentation on consecu…

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## [Inquiry Regarding Measurement of Functional Tumor Volume in Breast using 3D Slicer](https://discourse.slicer.org/t/inquiry-regarding-measurement-of-functional-tumor-volume-in-breast-using-3d-slicer/31188)

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**Author:** [@thomas\_su](https://discourse.slicer.org/u/thomas_su)\
**Replies:** 3\
**Last updated:** [August 18, 2023, 12:36pm UTC](https://discourse.slicer.org/t/inquiry-regarding-measurement-of-functional-tumor-volume-in-breast-using-3d-slicer/31188 "2023-08-18T12:36:53Z")

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Dear 3D Slicer Community, Currently, I am delving into the realm of measuring Functional Tumor Volume (FTV) in breast tumors, along with parameters like Percentage of Enhancement (PE) and Signal Enhancement Ratio (SER).…

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## [bone trabecular parameters like degree of anisotropy](https://discourse.slicer.org/t/bone-trabecular-parameters-like-degree-of-anisotropy/31216)

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**Author:** [@npryan7](https://discourse.slicer.org/u/npryan7)\
**Replies:** 0\
**Last updated:** [August 18, 2023, 7:19am UTC](https://discourse.slicer.org/t/bone-trabecular-parameters-like-degree-of-anisotropy/31216 "2023-08-18T07:19:18Z")

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Hi, I was wondering if BoneTextureExtension people or anyone tell me more about the current usefulness of 3D Slicer for measuring bone trabecular microstructure parameters like bone volume fraction and degree of anisotro…

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## [MRI Brain segmentation of healthy tissue in tumour population](https://discourse.slicer.org/t/mri-brain-segmentation-of-healthy-tissue-in-tumour-population/31192)

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**Author:** [@e0032127](https://discourse.slicer.org/u/e0032127)\
**Replies:** 2\
**Last updated:** [August 18, 2023, 3:47am UTC](https://discourse.slicer.org/t/mri-brain-segmentation-of-healthy-tissue-in-tumour-population/31192 "2023-08-18T03:47:23Z")

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Hello everyone! I’m new to the 3D slicer community! As I’m trying out 3D slicer for the first time, I’m wondering if anyone knows of any pipelines for segmenting specific regions of the brain i.e. wm, gm and hippocampus …

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## [Cmake on m2 mac](https://discourse.slicer.org/t/cmake-on-m2-mac/31202)

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**Author:** [@Kening\_Zhang](https://discourse.slicer.org/u/Kening_Zhang)\
**Replies:** 1\
**Last updated:** [August 17, 2023, 7:58pm UTC](https://discourse.slicer.org/t/cmake-on-m2-mac/31202 "2023-08-17T19:58:21Z")

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When I try Error happens, how should I solve it? Best wishes, Joshua

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## [Build Couldn't connect to server](https://discourse.slicer.org/t/build-couldnt-connect-to-server/31200)

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**Author:** [@Kening\_Zhang](https://discourse.slicer.org/u/Kening_Zhang)\
**Replies:** 1\
**Last updated:** [August 17, 2023, 7:23pm UTC](https://discourse.slicer.org/t/build-couldnt-connect-to-server/31200 "2023-08-17T19:23:23Z")

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I try to build Slicer on my mac, but error happens, I try both http and https, and try open and close firewall, but cannot solve this problem.

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## [TotalSegmentator "skin segmentation"](https://discourse.slicer.org/t/totalsegmentator-skin-segmentation/31198)

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**Author:** [@Sergio](https://discourse.slicer.org/u/Sergio)\
**Replies:** 3\
**Last updated:** [August 17, 2023, 6:44pm UTC](https://discourse.slicer.org/t/totalsegmentator-skin-segmentation/31198 "2023-08-17T18:44:12Z")

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Hi, I could see that TotalSegmentator has the capability of segment the “skin” using the segmentation task “Body” mode. I could see that is creating the “skin.nii.gz” file but 3D Slicer is not loading it as a segment. O…

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## [Error exporting Images and Structures in DICOM format](https://discourse.slicer.org/t/error-exporting-images-and-structures-in-dicom-format/31108)

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**Author:** [@Sergio](https://discourse.slicer.org/u/Sergio)\
**Replies:** 1\
**Last updated:** [August 17, 2023, 5:14pm UTC](https://discourse.slicer.org/t/error-exporting-images-and-structures-in-dicom-format/31108 "2023-08-17T17:14:43Z")

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Hi, this message error appears when I am trying to export the Images and Structures to DICOM format using DicomRtImportExportPlugin. What could be the problem? is there something I can do? Thanks in advance.

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## ['NoneType' object has no attribute 'GetPointData' error in exporting RTSTRUCT object into DICOM-SEG](https://discourse.slicer.org/t/nonetype-object-has-no-attribute-getpointdata-error-in-exporting-rtstruct-object-into-dicom-seg/31193)

<div class="topic-metadata">

**Author:** [@HJY](https://discourse.slicer.org/u/HJY)\
**Replies:** 2\
**Last updated:** [August 17, 2023, 5:10pm UTC](https://discourse.slicer.org/t/nonetype-object-has-no-attribute-getpointdata-error-in-exporting-rtstruct-object-into-dicom-seg/31193 "2023-08-17T17:10:17Z")

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Hi everyone, !\[Screen-shot of 3D Slicer (DICOM Export-2)|533x499\] (upload://nUHM4oyIkkUDF76n6Fw9f15xgfA.png) I am having trouble saving/exporting RTSTRUCT object into DICOM-SEG format. The RTSTRUCT loads up and…

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## [Do extension offline](https://discourse.slicer.org/t/do-extension-offline/31194)

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**Author:** [@Kening\_Zhang](https://discourse.slicer.org/u/Kening_Zhang)\
**Replies:** 2\
**Last updated:** [August 17, 2023, 1:14pm UTC](https://discourse.slicer.org/t/do-extension-offline/31194 "2023-08-17T13:14:26Z")

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Dear developers, I want to make and test the extension written by myself, the extension was coded with python so I think it does not needed to be built but I am confused which step I should move to. I use extension Wiz…

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## [NvidiaAIAssistedAnnotation plugin server failure](https://discourse.slicer.org/t/nvidiaaiassistedannotation-plugin-server-failure/31156)

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**Author:** [@Vineet\_Saravanan](https://discourse.slicer.org/u/Vineet_Saravanan)\
**Replies:** 3\
**Last updated:** [August 17, 2023, 5:22am UTC](https://discourse.slicer.org/t/nvidiaaiassistedannotation-plugin-server-failure/31156 "2023-08-17T05:22:55Z")

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Hello, I was trying to use the NvidiaAIAssistedAnnotation plugin to segment brain arteries, but I got this following error: I tried searching online, but I could not find a valid server link for the server. I read on…

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## [ALPACA - TPS Transform Matrix](https://discourse.slicer.org/t/alpaca-tps-transform-matrix/31175)

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**Author:** [@Vignesh\_Chakravarthy](https://discourse.slicer.org/u/Vignesh_Chakravarthy)\
**Replies:** 2\
**Last updated:** [August 16, 2023, 5:29pm UTC](https://discourse.slicer.org/t/alpaca-tps-transform-matrix/31175 "2023-08-16T17:29:01Z")

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Hi, It would be really helpful if the ALPACA module can also provide TPS transform matrix as output after running the module (similar to rigid transformation matrix). It will provide more insights on understanding the d…

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## [.mrb optimization (file size and loading time)](https://discourse.slicer.org/t/mrb-optimization-file-size-and-loading-time/31177)

<div class="topic-metadata">

**Author:** [@Deep\_Learning](https://discourse.slicer.org/u/Deep_Learning)\
**Replies:** 3\
**Last updated:** [August 16, 2023, 5:24pm UTC](https://discourse.slicer.org/t/mrb-optimization-file-size-and-loading-time/31177 "2023-08-16T17:24:07Z")

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I have been using a merged segmentation/volume sequence and saving it as .mrb. Works great… drag and drop… Basiclly 20 volumes and segmentations: 512x512x320x20. Any tips on optimization for file size (now 3.1 Gb) an…

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## [Unable to load previous PCA results](https://discourse.slicer.org/t/unable-to-load-previous-pca-results/31158)

<div class="topic-metadata">

**Author:** [@umair04](https://discourse.slicer.org/u/umair04)\
**Replies:** 2\
**Last updated:** [August 16, 2023, 4:57pm UTC](https://discourse.slicer.org/t/unable-to-load-previous-pca-results/31158 "2023-08-16T16:57:58Z")

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I am trying to load previous PCA results into slicer but it is not working even after uploading the JSON file that I saved. I even tried restarting slicer multiple times but it still doesn’t work, how can I resolve this …

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