# Community

**URL:** https://discourse.slicer.org/c/community/12.md?no_subcategories=false&page=40

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

**Page:** 41

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## [2020.03.17 Hangout](https://discourse.slicer.org/t/2020-03-17-hangout/10712)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 1\
**Last updated:** [March 17, 2020, 3:24pm UTC](https://discourse.slicer.org/t/2020-03-17-hangout/10712 "2020-03-17T15:24:28Z")

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Hi all! Tomorrow, we will be having our weekly hangout at 10:00 AM EST until 11 AM EST. Agenda: GitHub transition post-mortem Issue templates Commit count as revision Issue triaging Anyone is welcome to joi…

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## [2020.03.09 Hangout](https://discourse.slicer.org/t/2020-03-09-hangout/10607)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 0\
**Last updated:** [March 10, 2020, 2:44am UTC](https://discourse.slicer.org/t/2020-03-09-hangout/10607 "2020-03-10T02:44:56Z")

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Hi all! Tomorrow, we will be having our weekly hangout at 10:00 AM EST until 11 AM EST. Anyone is welcome to join to ask questions at https://bit.ly/slicer-googlemeet-hosted-by-kitware Feel free to post to this threa…

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## [2018.02.27 Hangout - Presentation by Dr. Xiaolei Chen "Usage of 3D Slicer for neurosurgeries in China"](https://discourse.slicer.org/t/2018-02-27-hangout-presentation-by-dr-xiaolei-chen-usage-of-3d-slicer-for-neurosurgeries-in-china/3000)

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**Author:** [@pieper](https://discourse.slicer.org/u/pieper)\
**Replies:** 17\
**Last updated:** [March 9, 2020, 7:36am UTC](https://discourse.slicer.org/t/2018-02-27-hangout-presentation-by-dr-xiaolei-chen-usage-of-3d-slicer-for-neurosurgeries-in-china/3000 "2020-03-09T07:36:27Z")

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## [A few questions](https://discourse.slicer.org/t/a-few-questions/10563)

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**Author:** [@LearningSlicerYay](https://discourse.slicer.org/u/LearningSlicerYay)\
**Replies:** 4\
**Last updated:** [March 6, 2020, 2:32pm UTC](https://discourse.slicer.org/t/a-few-questions/10563 "2020-03-06T14:32:58Z")

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Hi all, Working with Slicer 4.10.1 and have a few questions: Is there a way to adjust for eddy current in this (or 4.10.2) version? I have read the FAQ but cannot find the “GTRACT” extension that they mention. Wha…

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## [New human CT resource available](https://discourse.slicer.org/t/new-human-ct-resource-available/10565)

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**Author:** [@hjhedgar](https://discourse.slicer.org/u/hjhedgar)\
**Replies:** 3\
**Last updated:** [March 6, 2020, 2:02pm UTC](https://discourse.slicer.org/t/new-human-ct-resource-available/10565 "2020-03-06T14:02:57Z")

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Hi, 3DSlicer Community. I’m writing to let you know about a new research resource, the New Mexico Decedent Image Database. NMDID is a free access searchable database of over 15,000 whole body human cadaver CT scans. The …

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## [Regression slicer SALT](https://discourse.slicer.org/t/regression-slicer-salt/10263)

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**Author:** [@JON](https://discourse.slicer.org/u/JON)\
**Replies:** 1\
**Last updated:** [March 5, 2020, 5:54pm UTC](https://discourse.slicer.org/t/regression-slicer-salt/10263 "2020-03-05T17:54:10Z")

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Hi @bpaniagua and others, I have a question regarding the regression tool in slicer SALT. I have longitudinal data (2 timepoints) for a group of patients and controls. I want to see where and how much (and also prefera…

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## [Calculate volumes on ct scans](https://discourse.slicer.org/t/calculate-volumes-on-ct-scans/10540)

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**Author:** [@Giuseppe\_Voltini](https://discourse.slicer.org/u/Giuseppe_Voltini)\
**Replies:** 4\
**Last updated:** [March 5, 2020, 1:13pm UTC](https://discourse.slicer.org/t/calculate-volumes-on-ct-scans/10540 "2020-03-05T13:13:36Z")

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Operating system:windows 10 Slicer version: 4.10.2 Expected behavior: Actual behavior: Is it possible to automatically calculate on a chest ct scan the volume of a lung lesion, or multiple lung lesions , using Hou…

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## [volumes on ct scan](https://discourse.slicer.org/t/volumes-on-ct-scan/10532)

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**Author:** [@Giuseppe\_Voltini](https://discourse.slicer.org/u/Giuseppe_Voltini)\
**Replies:** 0\
**Last updated:** [March 3, 2020, 10:46pm UTC](https://discourse.slicer.org/t/volumes-on-ct-scan/10532 "2020-03-03T22:46:33Z")

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Operating system:windows 10 Slicer version: 4.10.2 Expected behavior: Actual behavior: Is it possible to automatically calculate on a chest ct scan the volume of a lung lesion, or multiple lung lesions , using Hou…

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## [2020.03.03 Hangout](https://discourse.slicer.org/t/2020-03-03-hangout/10520)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 1\
**Last updated:** [March 3, 2020, 3:11pm UTC](https://discourse.slicer.org/t/2020-03-03-hangout/10520 "2020-03-03T15:11:28Z")

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Hi all! Today, we will be having our weekly hangout at 10:00 AM EST until 11 AM EST. Anyone is welcome to join to ask questions at https://bit.ly/slicer-googlemeet-hosted-by-kitware Feel free to post to this thread t…

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## [Skeletal representation](https://discourse.slicer.org/t/skeletal-representation/10478)

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**Author:** [@Dyatsen](https://discourse.slicer.org/u/Dyatsen)\
**Replies:** 3\
**Last updated:** [March 2, 2020, 8:44pm UTC](https://discourse.slicer.org/t/skeletal-representation/10478 "2020-03-02T20:44:42Z")

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Hello. i am following the tutorial of skeletal representation (SrepModule-Tutorial\_v5.0 - Google Slides). But there is SkeletalRepresentationRefiner in the tutorial: and i just can find Initializer and Visualizer in …

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## [T1 and DWI co-registration - is it automatic](https://discourse.slicer.org/t/t1-and-dwi-co-registration-is-it-automatic/9272)

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**Author:** [@LearningSlicerYay](https://discourse.slicer.org/u/LearningSlicerYay)\
**Replies:** 6\
**Last updated:** [February 25, 2020, 10:10pm UTC](https://discourse.slicer.org/t/t1-and-dwi-co-registration-is-it-automatic/9272 "2020-02-25T22:10:50Z")

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Operating system: Win 7 Pro Slicer version: 4.10.1 Expected behavior: N/A Actual behavior: N/A Hello everyone, New to Slicer - primarily interested in using it for DTI for now. I have downloaded dMRI and am going t…

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## [2020.02.25 Hangout](https://discourse.slicer.org/t/2020-02-25-hangout/10426)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 1\
**Last updated:** [February 25, 2020, 2:25pm UTC](https://discourse.slicer.org/t/2020-02-25-hangout/10426 "2020-02-25T14:25:21Z")

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Hi all! Today, we will be having our weekly hangout at 10:00 AM EST until 11 AM EST. Anyone is welcome to join to ask questions at https://bit.ly/slicer-googlemeet-hosted-by-kitware Feel free to post to this thread t…

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## [Scene, Visibility of models and fiducials](https://discourse.slicer.org/t/scene-visibility-of-models-and-fiducials/10397)

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**Author:** [@kwichuda](https://discourse.slicer.org/u/kwichuda)\
**Replies:** 1\
**Last updated:** [February 24, 2020, 8:30pm UTC](https://discourse.slicer.org/t/scene-visibility-of-models-and-fiducials/10397 "2020-02-24T20:30:00Z")

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I use Q3DC and Angle plane modules. First, I must choose scene for create the the plane or landmark but I don’t know how to create scene. Should I go to create this on the other modules before go to Q3DC or Angle plane?

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## [2020.02.18 Hangout](https://discourse.slicer.org/t/2020-02-18-hangout/10334)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 1\
**Last updated:** [February 18, 2020, 3:03pm UTC](https://discourse.slicer.org/t/2020-02-18-hangout/10334 "2020-02-18T15:03:25Z")

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Hi all! Today, we will be having our weekly hangout at 10:00 AM EST until 11 AM EST. Anyone is welcome to join to ask questions at https://bit.ly/slicer-googlemeet-hosted-by-kitware Feel free to post to this thread t…

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## [Heart diffusion tensor exam](https://discourse.slicer.org/t/heart-diffusion-tensor-exam/10242)

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**Author:** [@Pawel\_Ozga](https://discourse.slicer.org/u/Pawel_Ozga)\
**Replies:** 4\
**Last updated:** [February 17, 2020, 7:14pm UTC](https://discourse.slicer.org/t/heart-diffusion-tensor-exam/10242 "2020-02-17T19:14:12Z")

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Hi, has anyone tried to make tractography out of heart DTI (not DWI) exams? Exam was made with 16 tensors and one direction. What’s worse the DTI include’s just a small part of chest while the ROI of structure sequence …

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## [2020.02.11 Hangout](https://discourse.slicer.org/t/2020-02-11-hangout/10204)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 1\
**Last updated:** [February 11, 2020, 3:38pm UTC](https://discourse.slicer.org/t/2020-02-11-hangout/10204 "2020-02-11T15:38:14Z")

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Hi all! Today, we will be having our weekly hangout at 10:00 AM EST until 11 AM EST. The week we will discuss Slicer 5 progress, and the SimpleITK macOS issue. Anyone is welcome to join to ask questions at https://bit…

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## [Q3DC does not work properly](https://discourse.slicer.org/t/q3dc-does-not-work-properly/10160)

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**Author:** [@ntokavan](https://discourse.slicer.org/u/ntokavan)\
**Replies:** 0\
**Last updated:** [February 7, 2020, 4:31pm UTC](https://discourse.slicer.org/t/q3dc-does-not-work-properly/10160 "2020-02-07T16:31:44Z")

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Problem report for Slicer 4.10.2 macosx-amd64: \[please describe expected and actual behavior\] The fudicial I put on the sample is not fixed. I keeps moving even though I don’t choose any fudicial in “selected landmarks”…

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## [Problem with the gradients table in the data set](https://discourse.slicer.org/t/problem-with-the-gradients-table-in-the-data-set/10108)

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**Author:** [@Santiago\_Cutiller](https://discourse.slicer.org/u/Santiago_Cutiller)\
**Replies:** 3\
**Last updated:** [February 5, 2020, 9:07pm UTC](https://discourse.slicer.org/t/problem-with-the-gradients-table-in-the-data-set/10108 "2020-02-05T21:07:09Z")

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Hi! I am Santiago and I am working on a research project on epilepsy and diffusion tensor. I have a problem with the gradients table in the data set. When i trying use difussion brain masking I get the following error…

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## [2020.02.04 Hangout](https://discourse.slicer.org/t/2020-02-04-hangout/10105)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 1\
**Last updated:** [February 4, 2020, 3:11pm UTC](https://discourse.slicer.org/t/2020-02-04-hangout/10105 "2020-02-04T15:11:30Z")

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Hi all! Today, we will be having our weekly hangout at 10:00 AM EST until 11 AM EST. The week we will discuss Slicer 5 progress, and the SimpleITK macOS issue. Anyone is welcome to join to ask questions at https://bit…

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## [Mandible registration](https://discourse.slicer.org/t/mandible-registration/9902)

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**Author:** [@Lexus\_H](https://discourse.slicer.org/u/Lexus_H)\
**Replies:** 23\
**Last updated:** [January 31, 2020, 3:33pm UTC](https://discourse.slicer.org/t/mandible-registration/9902 "2020-01-31T15:33:10Z")

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I am using dry mandible so predefect and postdefect periodontal bone changes can be superimposed then the difference can be detected in color map. I have converted CBCT dicom files to gipl then manual approximation t…

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## [Looking for Slicer users in Macedonia and the Baltics](https://discourse.slicer.org/t/looking-for-slicer-users-in-macedonia-and-the-baltics/10038)

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**Author:** [@Gabor\_Fichtinger](https://discourse.slicer.org/u/Gabor_Fichtinger)\
**Replies:** 0\
**Last updated:** [January 30, 2020, 7:27pm UTC](https://discourse.slicer.org/t/looking-for-slicer-users-in-macedonia-and-the-baltics/10038 "2020-01-30T19:27:15Z")

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Dear All: I wonder if you know of Slicer users in Macedonia and in the Baltics (Estonia, Latvia, Lithuania). Please me know. Thanks, in advance. --Gabor Fichtinger (Queen’s University).

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## [Optic Nerve tractography](https://discourse.slicer.org/t/optic-nerve-tractography/9993)

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**Author:** [@HariES](https://discourse.slicer.org/u/HariES)\
**Replies:** 2\
**Last updated:** [January 29, 2020, 11:37pm UTC](https://discourse.slicer.org/t/optic-nerve-tractography/9993 "2020-01-29T23:37:20Z")

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Dear Sir, Optic nerve is mixing with noise of image in the mask. So tensor is not estimated in dti estimation for the optic nerve. How to do optic nerve tracts after installing fiducial in optic nerve.

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## [2020.01.28 Hangout](https://discourse.slicer.org/t/2020-01-28-hangout/9983)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 2\
**Last updated:** [January 28, 2020, 3:45pm UTC](https://discourse.slicer.org/t/2020-01-28-hangout/9983 "2020-01-28T15:45:51Z")

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Hi all! Tomorrow, we will be having our weekly hangout at 10:00 AM EST until 11 AM EST. The week we will discuss last week’s Project Week, and check in on Slicer5 progress. Anyone is welcome to join to ask questions a…

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## [Issue with 2D extraction and resampling](https://discourse.slicer.org/t/issue-with-2d-extraction-and-resampling/9910)

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**Author:** [@rcuocolo](https://discourse.slicer.org/u/rcuocolo)\
**Replies:** 2\
**Last updated:** [January 28, 2020, 11:31am UTC](https://discourse.slicer.org/t/issue-with-2d-extraction-and-resampling/9910 "2020-01-28T11:31:50Z")

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Hello, I am havong an issue on PyRadiomics 2.2.0 using the terminal (Ubuntu 18.04) for batch extraction. I have images and masks in .nii.gz format, both with 1x1x3 mm voxels. I have drawn bidimensional ROIs on ITKSnap w…

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## [SlicerSALT Community Survey](https://discourse.slicer.org/t/slicersalt-community-survey/8962)

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**Author:** [@bpaniagua](https://discourse.slicer.org/u/bpaniagua)\
**Replies:** 1\
**Last updated:** [January 27, 2020, 1:42pm UTC](https://discourse.slicer.org/t/slicersalt-community-survey/8962 "2020-01-27T13:42:19Z")

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Dear SlicerSALT community The SlicerSALT team is making plans for the continued growth and maintenance of this toolkit. One of the main components of the plan is to seek renewal of the government funding that makes our …

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## [Slicer project week #33 - summary](https://discourse.slicer.org/t/slicer-project-week-33-summary/9956)

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**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Replies:** 0\
**Last updated:** [January 26, 2020, 4:34pm UTC](https://discourse.slicer.org/t/slicer-project-week-33-summary/9956 "2020-01-26T16:34:51Z")

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33rd Slicer Project week concluded a few days ago. We had 66 participants coming from 16 countries, working on 43 projects during the week about segmentation, web and cloud technology integration, image-guided therapy, c…

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## [2010.01.21 Hangout - Cancelled](https://discourse.slicer.org/t/2010-01-21-hangout-cancelled/9895)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 0\
**Last updated:** [January 21, 2020, 3:04pm UTC](https://discourse.slicer.org/t/2010-01-21-hangout-cancelled/9895 "2020-01-21T15:04:04Z")

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Hi all: There will be no Hangout today as most of the development team is attending Project Week.

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## [How to skip alignments during para to spharm mesh](https://discourse.slicer.org/t/how-to-skip-alignments-during-para-to-spharm-mesh/9848)

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**Author:** [@Oh\_jeongseok](https://discourse.slicer.org/u/Oh_jeongseok)\
**Replies:** 6\
**Last updated:** [January 21, 2020, 2:16pm UTC](https://discourse.slicer.org/t/how-to-skip-alignments-during-para-to-spharm-mesh/9848 "2020-01-21T14:16:58Z")

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Hello, I’m using 3D Slicer and SPHARM extentions. I tried making surface ssm with tibias. To apply this methods, I align all models before using SPHARM(picture on right). However, while SPHARM module is running, the al…

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## [Intravoxel incoherent motion DWI?](https://discourse.slicer.org/t/intravoxel-incoherent-motion-dwi/9851)

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**Author:** [@Striatum](https://discourse.slicer.org/u/Striatum)\
**Replies:** 1\
**Last updated:** [January 17, 2020, 5:05pm UTC](https://discourse.slicer.org/t/intravoxel-incoherent-motion-dwi/9851 "2020-01-17T17:05:47Z")

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Is there a way to calculate IVIM f, D, D\* in Slicer from DWI DICOMs? I read some papers mentioning they used Slicer but I cannot find any clue.

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## [How to make spharm mesh without alignments](https://discourse.slicer.org/t/how-to-make-spharm-mesh-without-alignments/9852)

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**Author:** [@Oh\_jeongseok](https://discourse.slicer.org/u/Oh_jeongseok)\
**Replies:** 0\
**Last updated:** [January 17, 2020, 1:24pm UTC](https://discourse.slicer.org/t/how-to-make-spharm-mesh-without-alignments/9852 "2020-01-17T13:24:24Z")

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Operating system: ubuntu 16.04 Slicer version: 4.10.2 Expected behavior: Actual behavior: Hello, I tried making surface ssm with tibias. To apply this methods, I align all models before using SPHARM(picture on ri…

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