# Community

**URL:** https://discourse.slicer.org/c/community/12.md?no_subcategories=false&page=25

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

**Page:** 26

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## [FA measurement using data probe or any other method](https://discourse.slicer.org/t/fa-measurement-using-data-probe-or-any-other-method/9654)

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**Author:** [@HariES](https://discourse.slicer.org/u/HariES)\
**Replies:** 7\
**Last updated:** [March 26, 2022, 5:01pm UTC](https://discourse.slicer.org/t/fa-measurement-using-data-probe-or-any-other-method/9654 "2022-03-26T17:01:27Z")

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How to measure fractional anisotropy in roi after creating scalar maps.

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## [Something wrong with my ProjectSemiLM](https://discourse.slicer.org/t/something-wrong-with-my-projectsemilm/22608)

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**Author:** [@yyl](https://discourse.slicer.org/u/yyl)\
**Replies:** 6\
**Last updated:** [March 24, 2022, 2:06pm UTC](https://discourse.slicer.org/t/something-wrong-with-my-projectsemilm/22608 "2022-03-24T14:06:52Z")

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4.11 windows10 I use ProjectSemiLM to transfer semilandmarks across samples.I have existing manual landmarks on each model and use the PseudoLMGenerator to set surface semilandmarks by generating pseudo-landmarks for…

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## [IBSI & pyRadiomic](https://discourse.slicer.org/t/ibsi-pyradiomic/18137)

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**Author:** [@Chenglin\_Zhu](https://discourse.slicer.org/u/Chenglin_Zhu)\
**Replies:** 3\
**Last updated:** [March 23, 2022, 2:16pm UTC](https://discourse.slicer.org/t/ibsi-pyradiomic/18137 "2022-03-23T14:16:52Z")

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Dear community, Are there any tutorials on setting the pyRadiomic to adhere to the IBSI? I wish to follow the IBSI standardization yet I am not willing to give up the convenience of pyRadiomic. If not, is there any reco…

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## [GE Sigma Legacy Data Format](https://discourse.slicer.org/t/ge-sigma-legacy-data-format/22641)

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**Author:** [@Rhythm](https://discourse.slicer.org/u/Rhythm)\
**Replies:** 0\
**Last updated:** [March 22, 2022, 7:01pm UTC](https://discourse.slicer.org/t/ge-sigma-legacy-data-format/22641 "2022-03-22T19:01:08Z")

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I have an MRI data set that appears to be in a non-DICOM GE Sigma format, the data is not viewing or rendering correctly. Does anyone have experience working with this format in Slicer?

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## [2022.03.22 Weekly Meeting](https://discourse.slicer.org/t/2022-03-22-weekly-meeting/22626)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 2\
**Last updated:** [March 22, 2022, 5:50am UTC](https://discourse.slicer.org/t/2022-03-22-weekly-meeting/22626 "2022-03-22T05:50:02Z")

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Tomorrow, we will be having our next weekly hangout at 10:00 AM ET until 11 AM ET. Anyone is welcome to join to ask questions at https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: Slicer 5 finalization Pleas…

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## [Problem in computing centerline](https://discourse.slicer.org/t/problem-in-computing-centerline/22603)

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**Author:** [@A\_Khabarkhaan](https://discourse.slicer.org/u/A_Khabarkhaan)\
**Replies:** 4\
**Last updated:** [March 21, 2022, 3:23am UTC](https://discourse.slicer.org/t/problem-in-computing-centerline/22603 "2022-03-21T03:23:38Z")

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Hi I’m trying to create centerline of a shape (the sample cerebral aneurysm in the site and others) I face to the below warning: Warning: in …\\Common\\DataModel\\vtkPolyData.cxx, line 982 vtkPolyData (0000024c243cd6b0):…

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## [Creation of Mask files for the given images](https://discourse.slicer.org/t/creation-of-mask-files-for-the-given-images/22584)

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**Author:** [@Praful\_Kumar](https://discourse.slicer.org/u/Praful_Kumar)\
**Replies:** 0\
**Last updated:** [March 18, 2022, 2:10pm UTC](https://discourse.slicer.org/t/creation-of-mask-files-for-the-given-images/22584 "2022-03-18T14:10:10Z")

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I have with me a dataset for brain tumour detection REMBRANDT - The Cancer Imaging Archive (TCIA) Public Access - Cancer Imaging Archive Wiki. I want to extract radiomic features by using pyradiomics library. However, …

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## [ALPACA point cloud ](https://discourse.slicer.org/t/alpaca-point-cloud/22553)

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**Author:** [@carterrt](https://discourse.slicer.org/u/carterrt)\
**Replies:** 1\
**Last updated:** [March 17, 2022, 10:18am UTC](https://discourse.slicer.org/t/alpaca-point-cloud/22553 "2022-03-17T10:18:30Z")

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When using ALPACA to place a point cloud on a bone model. Is it safe to assume that no landmarks will be placed on the surfaces of the internal cavities and spongy bone? I am only looking to analyze external bone shape, …

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## [Why are my semi-landmarks not uniformly distributed?](https://discourse.slicer.org/t/why-are-my-semi-landmarks-not-uniformly-distributed/22454)

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**Author:** [@yyl](https://discourse.slicer.org/u/yyl)\
**Replies:** 5\
**Last updated:** [March 16, 2022, 6:45pm UTC](https://discourse.slicer.org/t/why-are-my-semi-landmarks-not-uniformly-distributed/22454 "2022-03-16T18:45:15Z")

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version 4.11 i use the creatsemiLMpatches to generate semi-landmarks,Is there any way to make the semi-landmarks distribution on the surface more uniform? thank you very much!!!

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## [How to generate Vascular stent?](https://discourse.slicer.org/t/how-to-generate-vascular-stent/22430)

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**Author:** [@junqiangchen](https://discourse.slicer.org/u/junqiangchen)\
**Replies:** 2\
**Last updated:** [March 15, 2022, 3:23am UTC](https://discourse.slicer.org/t/how-to-generate-vascular-stent/22430 "2022-03-15T03:23:56Z")

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hi,i want generate Virtual Vascular Stent in VTK，i can generate simple Vascular Stent,like this i want make simple Vascular Stent more truely，like this result： can anyone know how to do it? thank you!!

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## [2022.03.15 Weekly Meeting](https://discourse.slicer.org/t/2022-03-15-weekly-meeting/22507)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 1\
**Last updated:** [March 14, 2022, 9:47pm UTC](https://discourse.slicer.org/t/2022-03-15-weekly-meeting/22507 "2022-03-14T21:47:10Z")

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Tomorrow, we will be having our next weekly hangout at 10:00 AM ET until 11 AM ET. Anyone is welcome to join to ask questions at https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: Slicer 5 final tasks Please…

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## [Diffusion module in 4.13 version cannot complete the reconstruction of fiber bundle](https://discourse.slicer.org/t/diffusion-module-in-4-13-version-cannot-complete-the-reconstruction-of-fiber-bundle/19896)

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**Author:** [@slicer365](https://discourse.slicer.org/u/slicer365)\
**Replies:** 10\
**Last updated:** [March 13, 2022, 4:29pm UTC](https://discourse.slicer.org/t/diffusion-module-in-4-13-version-cannot-complete-the-reconstruction-of-fiber-bundle/19896 "2022-03-13T16:29:56Z")

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Win10 64 I don’t know if this is a mistake My friend and I have tried multiple versions of 4.13 Slicer But in the last step, when setting the seed to display the fiber bundle, it can’t be displayed. The same data, th…

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## [Discontinuous ROI for radiomics](https://discourse.slicer.org/t/discontinuous-roi-for-radiomics/22483)

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**Author:** [@Amir\_Zolal](https://discourse.slicer.org/u/Amir_Zolal)\
**Replies:** 0\
**Last updated:** [March 13, 2022, 12:59pm UTC](https://discourse.slicer.org/t/discontinuous-roi-for-radiomics/22483 "2022-03-13T12:59:00Z")

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Hello, this is rather a general question regarding the functioning of the algorithm. I have some ROIs that I use to extract image pixel intensity from images and would like to re-use these ROIs in feature detection. How…

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## [How to obtain SlicerMorph?](https://discourse.slicer.org/t/how-to-obtain-slicermorph/18903)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 4\
**Last updated:** [March 12, 2022, 6:16am UTC](https://discourse.slicer.org/t/how-to-obtain-slicermorph/18903 "2022-03-12T06:16:32Z")

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Please follow the instructions at the official repository. We advise using the latest stable version of 3D Slicer with SlicerMorph, as updating SlicerMorph is much simpler that way. If you opt to use a preview release, …

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## [Wrong message in extracting radiomics about 64-bit float](https://discourse.slicer.org/t/wrong-message-in-extracting-radiomics-about-64-bit-float/11669)

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**Author:** [@zhangqw](https://discourse.slicer.org/u/zhangqw)\
**Replies:** 6\
**Last updated:** [March 11, 2022, 8:53am UTC](https://discourse.slicer.org/t/wrong-message-in-extracting-radiomics-about-64-bit-float/11669 "2022-03-11T08:53:02Z")

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When I extracted from 3D segment, some could be extracted but some failed, the wrong messgae is as follows: \[2020-05-22 21:40:45\] E: radiomics.script: Feature extraction failed! Traceback (most recent call last): File…

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## [How Can I convert the levelsets segment results(can use marchingcube get surface) to volume mask?](https://discourse.slicer.org/t/how-can-i-convert-the-levelsets-segment-results-can-use-marchingcube-get-surface-to-volume-mask/22304)

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**Author:** [@gang\_fang](https://discourse.slicer.org/u/gang_fang)\
**Replies:** 1\
**Last updated:** [March 11, 2022, 6:40am UTC](https://discourse.slicer.org/t/how-can-i-convert-the-levelsets-segment-results-can-use-marchingcube-get-surface-to-volume-mask/22304 "2022-03-11T06:40:48Z")

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Hi, I have used the fastmarching to get the levelset surface, but I want to use the segmentation mask. How can I convert ? any advice? Best, gang

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## [Slicer 4 reaches 1 million downloads](https://discourse.slicer.org/t/slicer-4-reaches-1-million-downloads/22439)

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**Author:** [@jamesobutler](https://discourse.slicer.org/u/jamesobutler)\
**Replies:** 1\
**Last updated:** [March 11, 2022, 4:35am UTC](https://discourse.slicer.org/t/slicer-4-reaches-1-million-downloads/22439 "2022-03-11T04:35:06Z")

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According to the download stats page looks like Slicer 4 passed 1 million downloads on February 20th 2022 :tada: . Currently the count is 1,010,048 as of March 10th 2022. cc: @jcfr @pieper @lassoan

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## [how to change line color?](https://discourse.slicer.org/t/how-to-change-line-color/22440)

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**Author:** [@wiselyfox](https://discourse.slicer.org/u/wiselyfox)\
**Replies:** 0\
**Last updated:** [March 10, 2022, 9:25pm UTC](https://discourse.slicer.org/t/how-to-change-line-color/22440 "2022-03-10T21:25:46Z")

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I use ‘vtkMRMLMarkupsLineNode’ function to define five lines,but how to change these lines’s color? use python complete this job . slicer.util.loadMarkupsFiducialList(“D:\\m.fcsv”) import numpy as np def file2array(…

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## [2022.03.08 Weekly Meeting](https://discourse.slicer.org/t/2022-03-08-weekly-meeting/22352)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 2\
**Last updated:** [March 7, 2022, 11:12pm UTC](https://discourse.slicer.org/t/2022-03-08-weekly-meeting/22352 "2022-03-07T23:12:43Z")

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Tomorrow, we will be having our next weekly hangout at 10:00 AM ET until 11 AM ET. Anyone is welcome to join to ask questions at https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: Slicer 5 release notes Plea…

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## [Missing IBSI fetaures in Pyradiomics.](https://discourse.slicer.org/t/missing-ibsi-fetaures-in-pyradiomics/22325)

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**Author:** [@JonasB](https://discourse.slicer.org/u/JonasB)\
**Replies:** 1\
**Last updated:** [March 5, 2022, 4:12pm UTC](https://discourse.slicer.org/t/missing-ibsi-fetaures-in-pyradiomics/22325 "2022-03-05T16:12:43Z")

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Dear Community. I noticed some Issues with missing features from the IBSI recommendation in Pyradiomics. I went through the feature definitions and compared them (IBSI: https://pubs.rsna.org/doi/full/10.1148/radiol.202…

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## [Improving segmentation procedure](https://discourse.slicer.org/t/improving-segmentation-procedure/22236)

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**Author:** [@fsneden](https://discourse.slicer.org/u/fsneden)\
**Replies:** 0\
**Last updated:** [March 1, 2022, 3:02pm UTC](https://discourse.slicer.org/t/improving-segmentation-procedure/22236 "2022-03-01T15:02:06Z")

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Trying to improve the segmentation of carotid arteries with time-of-flight (TOF) MR images, and I sometimes get a lot of artefact within the segmentation. This looks to be fatty tissue within the neck. I am using these i…

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## [Title: 2022.03.01 Weekly Meeting](https://discourse.slicer.org/t/title-2022-03-01-weekly-meeting/22234)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 0\
**Last updated:** [March 1, 2022, 3:02pm UTC](https://discourse.slicer.org/t/title-2022-03-01-weekly-meeting/22234 "2022-03-01T15:02:00Z")

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NOW, we will be having our next weekly hangout at 10:00 AM ET until 11 PM ET. Anyone is welcome to join to ask questions at https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: Slicer 5 progress Please post to…

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## [Lung lesion segmentation](https://discourse.slicer.org/t/lung-lesion-segmentation/21967)

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**Author:** [@Alexander\_The\_Great](https://discourse.slicer.org/u/Alexander_The_Great)\
**Replies:** 15\
**Last updated:** [March 1, 2022, 12:58pm UTC](https://discourse.slicer.org/t/lung-lesion-segmentation/21967 "2022-03-01T12:58:05Z")

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Hey. I am new to slicer segmentation. I try to segment lung nodules with the help of CIP lesion analyser, but unfortunately after the first successful nodule segmentation, I select the second nodule but I am unable to pr…

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## [Internalerror in findedge() TetGen Problem](https://discourse.slicer.org/t/internalerror-in-findedge-tetgen-problem/22193)

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**Author:** [@19lollo95](https://discourse.slicer.org/u/19lollo95)\
**Replies:** 0\
**Last updated:** [February 26, 2022, 11:01am UTC](https://discourse.slicer.org/t/internalerror-in-findedge-tetgen-problem/22193 "2022-02-26T11:01:28Z")

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Hello everyone, I’m having trouble using the command “vmtkmeshgenerator” to obtain internal tetrahedral mesh, in particular starting with this command: vmtk vmtkmeshgenerator -ifile sup3.vtp -skipremeshing 1 -volumeele…

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## [support vtk 9.0.3?](https://discourse.slicer.org/t/support-vtk-9-0-3/18635)

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**Author:** [@junqiangchen](https://discourse.slicer.org/u/junqiangchen)\
**Replies:** 5\
**Last updated:** [February 24, 2022, 8:57am UTC](https://discourse.slicer.org/t/support-vtk-9-0-3/18635 "2022-02-24T08:57:57Z")

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hi,i want use vmtk 1.4.0 with vtk 9.0.3,but there have some different between 8.1.0 and 9.0.3.can you share the latest vmtk version source code that supports vtk 9.0.3? thank you

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## [2022.02.22 Weekly Meeting](https://discourse.slicer.org/t/2022-02-22-weekly-meeting/22096)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 1\
**Last updated:** [February 21, 2022, 10:06pm UTC](https://discourse.slicer.org/t/2022-02-22-weekly-meeting/22096 "2022-02-21T22:06:25Z")

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Tomorrow, we will be having our next weekly hangout at 10:00 AM ET until 11 PM ET. Anyone is welcome to join to ask questions at https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: Slicer 5 Release notes Plea…

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## [Scanner Comparision](https://discourse.slicer.org/t/scanner-comparision/22092)

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**Author:** [@Alan\_Haper](https://discourse.slicer.org/u/Alan_Haper)\
**Replies:** 0\
**Last updated:** [February 21, 2022, 5:15pm UTC](https://discourse.slicer.org/t/scanner-comparision/22092 "2022-02-21T17:15:48Z")

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Dear Community, I am new to pyradiomics and currently try to compare different scanners to each other. There is a difference in shape features even though the organs are about the same size in real world. (The nifti ima…

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## [Updated Call for Papers for Modeling and Simulation in Medicine - March 14](https://discourse.slicer.org/t/updated-call-for-papers-for-modeling-and-simulation-in-medicine-march-14/21987)

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**Author:** [@MichelODU](https://discourse.slicer.org/u/MichelODU)\
**Replies:** 0\
**Last updated:** [February 16, 2022, 2:13am UTC](https://discourse.slicer.org/t/updated-call-for-papers-for-modeling-and-simulation-in-medicine-march-14/21987 "2022-02-16T02:13:43Z")

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Dear members of the Slicer 3D community, those of you with an interest in medical simulation and deep learning applications in medicine, please consider submitting to the upcoming Modeling and Simulation in Medicine con…

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## [2022.02.15 Weekly Meeting](https://discourse.slicer.org/t/2022-02-15-weekly-meeting/21970)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 0\
**Last updated:** [February 14, 2022, 8:56pm UTC](https://discourse.slicer.org/t/2022-02-15-weekly-meeting/21970 "2022-02-14T20:56:46Z")

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Tomorrow, we will be having our next weekly hangout at 10:00 AM ET until 11 PM ET. Anyone is welcome to join to ask questions at https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: Slicer 5 progress --no-main…

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## [How can I get centerlines of .stl file when there is a bifurcation?](https://discourse.slicer.org/t/how-can-i-get-centerlines-of-stl-file-when-there-is-a-bifurcation/21934)

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**Author:** [@SuHong\_Park](https://discourse.slicer.org/u/SuHong_Park)\
**Replies:** 4\
**Last updated:** [February 13, 2022, 2:04am UTC](https://discourse.slicer.org/t/how-can-i-get-centerlines-of-stl-file-when-there-is-a-bifurcation/21934 "2022-02-13T02:04:06Z")

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Hi, I’m just downloaded 3d slicer to get center line of a vessel(.stl file). Since I’m new to 3d slicer and vmtk, I prepared a small part of my research domain with a bifurcation. But, the result didn’t turned out so w…

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