# Community

**URL:** https://discourse.slicer.org/c/community/12.md?no_subcategories=false&page=23

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

**Page:** 24

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## [2022.07.26 Weekly Meeting](https://discourse.slicer.org/t/2022-07-26-weekly-meeting/24437)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 2\
**Last updated:** [July 21, 2022, 8:16pm UTC](https://discourse.slicer.org/t/2022-07-26-weekly-meeting/24437 "2022-07-21T20:16:24Z")

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Next Tuesday, 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: Custom volume rendering …

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## [Feature Error in python](https://discourse.slicer.org/t/feature-error-in-python/24428)

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**Author:** [@Van\_Tran\_Sang\_Huynh](https://discourse.slicer.org/u/Van_Tran_Sang_Huynh)\
**Replies:** 1\
**Last updated:** [July 21, 2022, 5:23pm UTC](https://discourse.slicer.org/t/feature-error-in-python/24428 "2022-07-21T17:23:36Z")

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I use python pyrradiomics to extract features for .nrrd images. And I got an error… how can i fix it. Please help!!! Respect Sang I use code And error…

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## [2022.07.19 Weekly Meeting](https://discourse.slicer.org/t/2022-07-19-weekly-meeting/24318)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 1\
**Last updated:** [July 19, 2022, 2:33pm UTC](https://discourse.slicer.org/t/2022-07-19-weekly-meeting/24318 "2022-07-19T14:33:08Z")

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Next Tuesday, 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 5.0.3 release pro…

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## [Lung Vessels Diameters using VMTK](https://discourse.slicer.org/t/lung-vessels-diameters-using-vmtk/24211)

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**Author:** [@Vir](https://discourse.slicer.org/u/Vir)\
**Replies:** 5\
**Last updated:** [July 14, 2022, 3:09pm UTC](https://discourse.slicer.org/t/lung-vessels-diameters-using-vmtk/24211 "2022-07-14T15:09:23Z")

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Hello I am working with lung vessels volumetric file (. img) which is a binary image . I want to extract the diameters of each vessels . Is there a way to extract these values using 3d slicer VMTK extension . Below is …

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## [2022.07.12 Weekly Meeting](https://discourse.slicer.org/t/2022-07-12-weekly-meeting/24228)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 3\
**Last updated:** [July 12, 2022, 2:17pm UTC](https://discourse.slicer.org/t/2022-07-12-weekly-meeting/24228 "2022-07-12T14:17:18Z")

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Next Tuesday, 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 maintenance bac…

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## [Mean diameter for SlicerVMTK module](https://discourse.slicer.org/t/mean-diameter-for-slicervmtk-module/24224)

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**Author:** [@vyvyvyvy](https://discourse.slicer.org/u/vyvyvyvy)\
**Replies:** 3\
**Last updated:** [July 9, 2022, 3:16pm UTC](https://discourse.slicer.org/t/mean-diameter-for-slicervmtk-module/24224 "2022-07-09T15:16:24Z")

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How can I use the SlicerVMTK module, “cross-section analysis” to show the mean diameter? Right now, I seem to only see options for “min” and “max.” Is there a way to add the mean on my end?

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## [2022.07.05 Weekly Meeting](https://discourse.slicer.org/t/2022-07-05-weekly-meeting/24184)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 2\
**Last updated:** [July 5, 2022, 3:17pm UTC](https://discourse.slicer.org/t/2022-07-05-weekly-meeting/24184 "2022-07-05T15:17:09Z")

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Today, 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: Review maintenance patches for …

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## [ParatoSPHARMMesh Error](https://discourse.slicer.org/t/paratospharmmesh-error/24176)

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**Author:** [@Hoai-Nam\_Bui](https://discourse.slicer.org/u/Hoai-Nam_Bui)\
**Replies:** 0\
**Last updated:** [July 4, 2022, 10:31pm UTC](https://discourse.slicer.org/t/paratospharmmesh-error/24176 "2022-07-04T22:31:20Z")

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Hello! I am running into a FORTRAN error during Step 3 of SPHARM Generator on SlicerSalt 3.0 win10. When using a different dataset (caiman vertebrae) I don’t run into this error, however it seems to be the case with th…

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## [\[Na-mic-project-week\] Thank you and Project Week 38](https://discourse.slicer.org/t/na-mic-project-week-thank-you-and-project-week-38/24145)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 0\
**Last updated:** [July 1, 2022, 4:46pm UTC](https://discourse.slicer.org/t/na-mic-project-week-thank-you-and-project-week-38/24145 "2022-07-01T16:46:46Z")

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Dear Project Week community, Thank you for making this edition of PW another great success! Thanks to your active participation, we’ve been able to achieve an impressive level of interactivity for an online meeting. To …

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## [Calculating variability using vmtksurfacedistance](https://discourse.slicer.org/t/calculating-variability-using-vmtksurfacedistance/24101)

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**Author:** [@fsneden](https://discourse.slicer.org/u/fsneden)\
**Replies:** 0\
**Last updated:** [June 29, 2022, 12:52pm UTC](https://discourse.slicer.org/t/calculating-variability-using-vmtksurfacedistance/24101 "2022-06-29T12:52:39Z")

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I am trying to calculate intra-observer variability in a dataset. I am creating surface data from images, and using the vmtksurfacedistance script to calculate difference from an input image (my 2nd surface) and a refere…

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## [Hole due to vmtkbranchclipper](https://discourse.slicer.org/t/hole-due-to-vmtkbranchclipper/24069)

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**Author:** [@orxshi](https://discourse.slicer.org/u/orxshi)\
**Replies:** 1\
**Last updated:** [June 28, 2022, 4:28pm UTC](https://discourse.slicer.org/t/hole-due-to-vmtkbranchclipper/24069 "2022-06-28T16:28:51Z")

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I am following the tutorial of MappingAndPatching. After executing the commands for the following operations Centerlines extraction and branch splitting Bifurcation reference systems Surface splitting When I check out …

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## [Texture features](https://discourse.slicer.org/t/texture-features/23985)

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**Author:** [@Chiara](https://discourse.slicer.org/u/Chiara)\
**Replies:** 1\
**Last updated:** [June 21, 2022, 4:37pm UTC](https://discourse.slicer.org/t/texture-features/23985 "2022-06-21T16:37:48Z")

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Hello, we are students. We would like to ask for help on texture features (GLCM e GLRLM), are they dimensionless quantities? If yes, can you explain how they are calculated? thanks to those who will answer!

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## [\[Na-mic-project-week\] Reminder: last Project Week 37 preparation meeting tomorrow!](https://discourse.slicer.org/t/na-mic-project-week-reminder-last-project-week-37-preparation-meeting-tomorrow/23967)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 6\
**Last updated:** [June 21, 2022, 2:34pm UTC](https://discourse.slicer.org/t/na-mic-project-week-reminder-last-project-week-37-preparation-meeting-tomorrow/23967 "2022-06-21T14:34:28Z")

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Dear Project Week community, Please join us for our last Project Week 37 preparation meeting tomorrow, June 21st (10 am Boston time, EDT) on Zoom. This is the last chance to introduce yourself and your project before PW…

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## [Slicer Training course reccomendations](https://discourse.slicer.org/t/slicer-training-course-reccomendations/23913)

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**Author:** [@scott.young](https://discourse.slicer.org/u/scott.young)\
**Replies:** 2\
**Last updated:** [June 17, 2022, 6:15pm UTC](https://discourse.slicer.org/t/slicer-training-course-reccomendations/23913 "2022-06-17T18:15:40Z")

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I am new to 3D Slicer. I am looking for recommendations on training courses to get me up to speed. Thank you for your help.

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## [Exporting H.264 or Mpeg-4 or even animated GIF after I animated with SlicerMorph.](https://discourse.slicer.org/t/exporting-h-264-or-mpeg-4-or-even-animated-gif-after-i-animated-with-slicermorph/23805)

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**Author:** [@Fullcalf42](https://discourse.slicer.org/u/Fullcalf42)\
**Replies:** 2\
**Last updated:** [June 15, 2022, 2:38am UTC](https://discourse.slicer.org/t/exporting-h-264-or-mpeg-4-or-even-animated-gif-after-i-animated-with-slicermorph/23805 "2022-06-15T02:38:34Z")

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I want to export any footage possible now that I’ve completed a SlicerMorph animation moving through a thorax in the axial plane to reveal a pulmonary embolism. It appears to export just fine but there is no file where I…

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## [ pyradiomics with DICOM data](https://discourse.slicer.org/t/pyradiomics-with-dicom-data/22636)

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**Author:** [@Geor\_F](https://discourse.slicer.org/u/Geor_F)\
**Replies:** 14\
**Last updated:** [June 13, 2022, 2:27pm UTC](https://discourse.slicer.org/t/pyradiomics-with-dicom-data/22636 "2022-06-13T14:27:38Z")

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Hello, I would like to use pyradiomics with DICOM data, in the guideline it says “The script will accept as input a directory with a single DICOM image study for the input image, and the file name pointing to a DICOM S…

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## [Some problems about SegPostProcess](https://discourse.slicer.org/t/some-problems-about-segpostprocess/23845)

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**Author:** [@yuanzhen\_cui](https://discourse.slicer.org/u/yuanzhen_cui)\
**Replies:** 5\
**Last updated:** [June 14, 2022, 9:19am UTC](https://discourse.slicer.org/t/some-problems-about-segpostprocess/23845 "2022-06-14T09:19:10Z")

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Operating system:MacOs Slicer version:4.1120210226 Expected behavior:I try to execute the SegPostProcess with the example names “InputImage.nrrd” which download from the slicerssalt workshop. Actual behavior:The Log m…

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## [\[Na-mic-project-week\] Reminder: next project week 37 preparation meeting tomorrow!](https://discourse.slicer.org/t/na-mic-project-week-reminder-next-project-week-37-preparation-meeting-tomorrow/23864)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 0\
**Last updated:** [June 14, 2022, 2:14am UTC](https://discourse.slicer.org/t/na-mic-project-week-reminder-next-project-week-37-preparation-meeting-tomorrow/23864 "2022-06-14T02:14:35Z")

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Dear Project Week community, Please join us for our next Project Week 37 preparation meeting tomorrow, June 14th (10 am Boston time, EDT) on Zoom. This week, we will continue with people/project introduction and will st…

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## [SPHARM-PDM Euler Number problem](https://discourse.slicer.org/t/spharm-pdm-euler-number-problem/2745)

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**Author:** [@doganarda](https://discourse.slicer.org/u/doganarda)\
**Replies:** 9\
**Last updated:** [June 12, 2022, 2:54pm UTC](https://discourse.slicer.org/t/spharm-pdm-euler-number-problem/2745 "2022-06-12T14:54:44Z")

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Hello everyone, For my M.Sc. Thesis work, I need to apply SPHARM-PDM analysis to certain number of segmented hippocampi from an experiment but I am really new to the program and I still cannot make sense out of it clear…

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## [Feature extraction in 2D image](https://discourse.slicer.org/t/feature-extraction-in-2d-image/23828)

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**Author:** [@Rohini\_Gaikar](https://discourse.slicer.org/u/Rohini_Gaikar)\
**Replies:** 1\
**Last updated:** [June 12, 2022, 1:20am UTC](https://discourse.slicer.org/t/feature-extraction-in-2d-image/23828 "2022-06-12T01:20:04Z")

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I have image and mask in float64. When I try to cast mask in INT32vit gives me error. sitk\_mask = sitk.Cast(sitk\_mask, sitk.sitkInt32) Error is as: sitk::ERROR: Filter does not support casting from casting 64-bit flo…

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## [\[Na-mic-project-week\] Next Project Week 37 preparation meeting - Tuesday June 14th](https://discourse.slicer.org/t/na-mic-project-week-next-project-week-37-preparation-meeting-tuesday-june-14th/23816)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 0\
**Last updated:** [June 10, 2022, 7:33pm UTC](https://discourse.slicer.org/t/na-mic-project-week-next-project-week-37-preparation-meeting-tuesday-june-14th/23816 "2022-06-10T19:33:26Z")

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Dear Project Week community, Please join us for our next Project Week 37 preparation meeting Tuesday, June 14th (10 am Boston time, EDT) on Zoom. Next week, we will continue people/project introduction and will start th…

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## [N4ITK filter Question](https://discourse.slicer.org/t/n4itk-filter-question/23802)

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**Author:** [@Josefa\_Garcia](https://discourse.slicer.org/u/Josefa_Garcia)\
**Replies:** 0\
**Last updated:** [June 9, 2022, 9:12pm UTC](https://discourse.slicer.org/t/n4itk-filter-question/23802 "2022-06-09T21:12:14Z")

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Hi everyone, I’m in the pre-processing imaging step of radiomics workflow, and I was wondering if the N4ITK filter is enough to correct intensity inhomogeneities and noise on MRI brain images. Thanks!

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## [Mask of dicom image](https://discourse.slicer.org/t/mask-of-dicom-image/23684)

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**Author:** [@Van\_Tran\_Sang\_Huynh](https://discourse.slicer.org/u/Van_Tran_Sang_Huynh)\
**Replies:** 2\
**Last updated:** [June 5, 2022, 1:33pm UTC](https://discourse.slicer.org/t/mask-of-dicom-image/23684 "2022-06-05T13:33:39Z")

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I use python pyradiomics for feature extraction. I have imported the DICOM image but about the masking part i still don’t know if i did it right or not. If my masking part is wrong, please tell me how to correct and mask…

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## [Fibre length measurements](https://discourse.slicer.org/t/fibre-length-measurements/23676)

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**Author:** [@njeffery](https://discourse.slicer.org/u/njeffery)\
**Replies:** 1\
**Last updated:** [June 1, 2022, 7:03pm UTC](https://discourse.slicer.org/t/fibre-length-measurements/23676 "2022-06-01T19:03:42Z")

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Hi 3Dslicer community Hoping someone has a solution out there. I have a vtk file with about 300 fibres in it. I need the length of each fibre. Seems a trivial task but I cannot find a solution. Diffusion\>quantify\>tr…

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## [Importing PC scores in 3D slicer](https://discourse.slicer.org/t/importing-pc-scores-in-3d-slicer/23671)

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**Author:** [@NoemiH](https://discourse.slicer.org/u/NoemiH)\
**Replies:** 2\
**Last updated:** [June 1, 2022, 3:46pm UTC](https://discourse.slicer.org/t/importing-pc-scores-in-3d-slicer/23671 "2022-06-01T15:46:52Z")

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Hi, I have run a PCA in MorphoJ and exported the PC scores for each individual. Is it possible to import the PC scores in 3D slicer to visualise 3D shape changes along the PC axes? I know that 3D slicer can now perform…

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## [Help loading DICOM](https://discourse.slicer.org/t/help-loading-dicom/13930)

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**Author:** [@Felipe\_Suntaxi](https://discourse.slicer.org/u/Felipe_Suntaxi)\
**Replies:** 2\
**Last updated:** [June 1, 2022, 8:51am UTC](https://discourse.slicer.org/t/help-loading-dicom/13930 "2022-06-01T08:51:30Z")

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Hello. I’m new to the Slicer DMRI. I’m trying to load some dicom data but I get this error. Diffusion-weighted DICOM Import (DWIConvert) standard error: Exception thrown while reading DICOM volume itk::InvalidRequeste…

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## [How to run Pyradiomics](https://discourse.slicer.org/t/how-to-run-pyradiomics/23047)

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**Author:** [@Van\_Tran\_Sang\_Huynh](https://discourse.slicer.org/u/Van_Tran_Sang_Huynh)\
**Replies:** 11\
**Last updated:** [May 31, 2022, 11:29am UTC](https://discourse.slicer.org/t/how-to-run-pyradiomics/23047 "2022-05-31T11:29:23Z")

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Hi. I am a student, I am practicing using pyrradiomics for feature extraction. I have installed pyradiomics in python 3.6 (64bit), but I don’t know how to run Pyradiomics, please help. Thank you

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## [Create volume from Slices DICOM](https://discourse.slicer.org/t/create-volume-from-slices-dicom/23649)

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**Author:** [@Haytham](https://discourse.slicer.org/u/Haytham)\
**Replies:** 1\
**Last updated:** [May 31, 2022, 9:59am UTC](https://discourse.slicer.org/t/create-volume-from-slices-dicom/23649 "2022-05-31T09:59:32Z")

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Hello, I have DICOM files that represent slices. how can get one DICOM file that represent all the volume? I need to combine all DICOM slices on a one DICOM volume. Any ideas can help me? thanks

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## [Resolving gap between centerline and control point in centerline extraction](https://discourse.slicer.org/t/resolving-gap-between-centerline-and-control-point-in-centerline-extraction/23584)

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**Author:** [@kvmontez](https://discourse.slicer.org/u/kvmontez)\
**Replies:** 1\
**Last updated:** [May 25, 2022, 12:09pm UTC](https://discourse.slicer.org/t/resolving-gap-between-centerline-and-control-point-in-centerline-extraction/23584 "2022-05-25T12:09:16Z")

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Hi! I’ve been working with the centerline extraction feature to create a centerline network in the built-in CTACardio data in 3D Slicer 5.1.0-2022-05-23. However, when the centerline is generated, there is a gap between…

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## [2022.05.24: No weekly Meeting](https://discourse.slicer.org/t/2022-05-24-no-weekly-meeting/23561)

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**Author:** [@jcfr](https://discourse.slicer.org/u/jcfr)\
**Replies:** 0\
**Last updated:** [May 24, 2022, 2:09pm UTC](https://discourse.slicer.org/t/2022-05-24-no-weekly-meeting/23561 "2022-05-24T14:09:39Z")

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Considering that several members of the community are attending the global workshop on Sustainable Development in Computer-Assisted Interventions and Diagnosis, both the project week preparation call and the slicer devel…

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