# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=331

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

**Page:** 332

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## [Unit support in Slicer](https://discourse.slicer.org/t/unit-support-in-slicer/10606)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 2\
**Last updated:** [July 11, 2020, 6:45pm UTC](https://discourse.slicer.org/t/unit-support-in-slicer/10606 "2020-07-11T18:45:11Z")

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Since almost all our users work with sub-millimeter resolution, I am testing how (well) the Units preference work. I switched to micrometer in settings, and first issue is the mu sign is not displayed correctly on my pl…

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## [VMTK vessel centerline network extraction in Slicer](https://discourse.slicer.org/t/vmtk-vessel-centerline-network-extraction-in-slicer/11877)

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**Author:** [@Deepa](https://discourse.slicer.org/u/Deepa)\
**Replies:** 24\
**Last updated:** [July 11, 2020, 6:02pm UTC](https://discourse.slicer.org/t/vmtk-vessel-centerline-network-extraction-in-slicer/11877 "2020-07-11T18:02:18Z")

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I’ve installed Vascular Modelling Toolkit extension in Slicer4.11. I could find Centerline computation Level set segmentation Vesselness filtering I couldn’t find vmtknetworkextraction . I’d like to know if there a …

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## [Problem in viewing segmentation volume and voronoi model](https://discourse.slicer.org/t/problem-in-viewing-segmentation-volume-and-voronoi-model/12144)

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**Author:** [@Deepa](https://discourse.slicer.org/u/Deepa)\
**Replies:** 4\
**Last updated:** [July 11, 2020, 7:47am UTC](https://discourse.slicer.org/t/problem-in-viewing-segmentation-volume-and-voronoi-model/12144 "2020-07-11T07:47:58Z")

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Hello Everyone, I’m trying out the features of Extract centerlines available in recent Preview release. In the Windows version, I could view both centerline and Voronoi model after hitting Apply (steps followed from h…

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## [MacOS Nightly - extensions manager error](https://discourse.slicer.org/t/macos-nightly-extensions-manager-error/12445)

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**Author:** [@hherhold](https://discourse.slicer.org/u/hherhold)\
**Replies:** 7\
**Last updated:** [July 10, 2020, 5:09pm UTC](https://discourse.slicer.org/t/macos-nightly-extensions-manager-error/12445 "2020-07-10T17:09:28Z")

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For the last little while (week or two?) the MacOS nightly version gives me this error when I open the extensions manager. There are also no extensions available. Has anyone else run into this? Does this have to do with …

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## [Compiled files .pyc](https://discourse.slicer.org/t/compiled-files-pyc/12476)

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**Author:** [@ada](https://discourse.slicer.org/u/ada)\
**Replies:** 0\
**Last updated:** [July 10, 2020, 9:30am UTC](https://discourse.slicer.org/t/compiled-files-pyc/12476 "2020-07-10T09:30:13Z")

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Hello all, With Slicer4.10.2 I was able to launch custom compiled python files (.pyc). Nevertheless with the 4.11 version it is no more working (maybe induced by python3). I have the following error : Traceback (most…

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## [Samsung SonoAce 4D ultrasound mvl file loading](https://discourse.slicer.org/t/samsung-sonoace-4d-ultrasound-mvl-file-loading/12452)

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**Author:** [@zurgany](https://discourse.slicer.org/u/zurgany)\
**Replies:** 17\
**Last updated:** [July 10, 2020, 2:07am UTC](https://discourse.slicer.org/t/samsung-sonoace-4d-ultrasound-mvl-file-loading/12452 "2020-07-10T02:07:20Z")

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Hi, Thank you for accepting me! I am new here, I am trying to import dicom files from a Samsung sonoace machine, but I am getting error! Thank you!

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## [Accessing Data Probe Module from Python](https://discourse.slicer.org/t/accessing-data-probe-module-from-python/12453)

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**Author:** [@FatihSogukpinar](https://discourse.slicer.org/u/FatihSogukpinar)\
**Replies:** 7\
**Last updated:** [July 9, 2020, 7:55pm UTC](https://discourse.slicer.org/t/accessing-data-probe-module-from-python/12453 "2020-07-09T19:55:21Z")

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Hi all, I am trying to access to what is displayed in the Data Probe Module. In particular, I need to access the anatomical information that is displayed there. For instance, I want to get the anatomical location corres…

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## [Could not load ultrasound from .mvl (Medison) file format](https://discourse.slicer.org/t/could-not-load-ultrasound-from-mvl-medison-file-format/3928)

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**Author:** [@Agustin\_Gudino](https://discourse.slicer.org/u/Agustin_Gudino)\
**Replies:** 26\
**Last updated:** [July 9, 2020, 7:08pm UTC](https://discourse.slicer.org/t/could-not-load-ultrasound-from-mvl-medison-file-format/3928 "2020-07-09T19:08:47Z")

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Hello! “Could not load: - as a 48 frames MultiVolume by ImagePositionPatient+AcquisitionTime as a MultiVolume” Just received that error trying to load the DICOM information from an ecography. 3D/4D data in “.mvl” (Med…

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## [UKF Tractography NODDI option crashes](https://discourse.slicer.org/t/ukf-tractography-noddi-option-crashes/12465)

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**Author:** [@Todd\_Richards](https://discourse.slicer.org/u/Todd_Richards)\
**Replies:** 1\
**Last updated:** [July 9, 2020, 5:16pm UTC](https://discourse.slicer.org/t/ukf-tractography-noddi-option-crashes/12465 "2020-07-09T17:16:17Z")

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Operating system: MAC OS Slicer version: 4.11 Expected behavior: UKF Tractography NODDI Actual behavior: UKF Tractography NODDI crashes This UKF tractography NODDI option crashes for MAC OS but this same option with …

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## [Importing ROI to Segment](https://discourse.slicer.org/t/importing-roi-to-segment/12462)

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**Author:** [@adamrankin](https://discourse.slicer.org/u/adamrankin)\
**Replies:** 0\
**Last updated:** [July 9, 2020, 1:58pm UTC](https://discourse.slicer.org/t/importing-roi-to-segment/12462 "2020-07-09T13:58:06Z")

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Hello, Is it possible with the current GUI tools to convert/import an ROI to Segment? Cheers, Adam

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## [Ignore modules at startup](https://discourse.slicer.org/t/ignore-modules-at-startup/12460)

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**Author:** [@ada](https://discourse.slicer.org/u/ada)\
**Replies:** 1\
**Last updated:** [July 9, 2020, 1:54pm UTC](https://discourse.slicer.org/t/ignore-modules-at-startup/12460 "2020-07-09T13:54:10Z")

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Hi all, I want to disable some modules when starting 3DSlicer. I know I can select all specific modules in Edit\>Application Settings but I would like to know if there is any easier way to disable a list of modules. It…

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## [Slicer crashes on Show3D in SegmentEditor](https://discourse.slicer.org/t/slicer-crashes-on-show3d-in-segmenteditor/12446)

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**Author:** [@MartinHorstmann](https://discourse.slicer.org/u/MartinHorstmann)\
**Replies:** 2\
**Last updated:** [July 9, 2020, 6:27am UTC](https://discourse.slicer.org/t/slicer-crashes-on-show3d-in-segmenteditor/12446 "2020-07-09T06:27:43Z")

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Hello, I’m using Slicer to segment single slices (not all) of a biological microCT sample. Unfortunately, after a while, I guess when the segmentation has reached a certain size, Slicer crashes with the error: “slicerAp…

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## [Plot images from PNG files in slicer jupyter kernel](https://discourse.slicer.org/t/plot-images-from-png-files-in-slicer-jupyter-kernel/12432)

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**Author:** [@BennetMontgomery](https://discourse.slicer.org/u/BennetMontgomery)\
**Replies:** 4\
**Last updated:** [July 9, 2020, 2:50am UTC](https://discourse.slicer.org/t/plot-images-from-png-files-in-slicer-jupyter-kernel/12432 "2020-07-09T02:50:52Z")

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I have a Jupyter Notebook that uses a Slicer kernel and I would like to plot a variable number of captures of the 3D view in the notebook, each view captured from different scenes loaded sequentially. The way I have it s…

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## [VMTK Centerline Display by CenterlineId](https://discourse.slicer.org/t/vmtk-centerline-display-by-centerlineid/12418)

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**Author:** [@szhang](https://discourse.slicer.org/u/szhang)\
**Replies:** 7\
**Last updated:** [July 8, 2020, 9:18pm UTC](https://discourse.slicer.org/t/vmtk-centerline-display-by-centerlineid/12418 "2020-07-08T21:18:55Z")

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Hello I have been using the 4.11.0-2020-06-30 version of the Slicer, and would like to know how to display the centerline by the attribute CenterlineId, e.g. the picture below should display 8 centerlines for the user t…

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## [Issues running latest preview on macOS/Windows 10](https://discourse.slicer.org/t/issues-running-latest-preview-on-macos-windows-10/12424)

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**Author:** [@lennymartinez](https://discourse.slicer.org/u/lennymartinez)\
**Replies:** 4\
**Last updated:** [July 8, 2020, 4:48pm UTC](https://discourse.slicer.org/t/issues-running-latest-preview-on-macos-windows-10/12424 "2020-07-08T16:48:26Z")

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I tried downloading the newest preview today (rev: 29205) on both Windows and macOS and it doesn’t seem to be running. On Windows the splash shows up, things look like they load and I get the GUI box, but then it all cr…

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## [VMTK library is not found](https://discourse.slicer.org/t/vmtk-library-is-not-found/12444)

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**Author:** [@wwx992881](https://discourse.slicer.org/u/wwx992881)\
**Replies:** 2\
**Last updated:** [July 8, 2020, 3:57pm UTC](https://discourse.slicer.org/t/vmtk-library-is-not-found/12444 "2020-07-08T15:57:30Z")

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Hi! I have a problem when I try to use VMTK(my vision is 4.11.0-2020-05-27 r29081 / abc9bd3 ) to extract centerline.When I try to apply,it signals an error as"VMTK library is not found",and the detail is as follow. . …

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## [How, via python, to enable "data labels" on in bar-chart?](https://discourse.slicer.org/t/how-via-python-to-enable-data-labels-on-in-bar-chart/12435)

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**Author:** [@aiden.zhu](https://discourse.slicer.org/u/aiden.zhu)\
**Replies:** 1\
**Last updated:** [July 8, 2020, 1:09pm UTC](https://discourse.slicer.org/t/how-via-python-to-enable-data-labels-on-in-bar-chart/12435 "2020-07-08T13:09:53Z")

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Hi all, I am trying to have a bar chart using: ln = slicer.mrmlScene.GetFirstNodeByClass(‘vtkMRMLLayoutNode’) ln.SetViewArrangement(24) # Get the first ChartView node cvn = slicer.mrmlScene.GetFirstNodeByClass('vtkMR…

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## [Import spectroscopy data in SlicerRT](https://discourse.slicer.org/t/import-spectroscopy-data-in-slicerrt/12416)

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**Author:** [@loubna](https://discourse.slicer.org/u/loubna)\
**Replies:** 1\
**Last updated:** [July 8, 2020, 12:46pm UTC](https://discourse.slicer.org/t/import-spectroscopy-data-in-slicerrt/12416 "2020-07-08T12:46:17Z")

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Hi to everyOne; I have spectroscopy data stored in dcm file and I would import this file in slicerRT. How can I do that? thank’s in advance

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## [Calculate angle between two segments](https://discourse.slicer.org/t/calculate-angle-between-two-segments/12412)

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**Author:** [@AurelienCD](https://discourse.slicer.org/u/AurelienCD)\
**Replies:** 6\
**Last updated:** [July 8, 2020, 6:50am UTC](https://discourse.slicer.org/t/calculate-angle-between-two-segments/12412 "2020-07-08T06:50:48Z")

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Dear 3dslicer community. I try to write script which would calculate the angle between two segments. Here is the image I have I obtained the segments using simple threshold Then I would need to draw (automatically …

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## [Prostate MRI-US Contour Propagation 8 bits export ](https://discourse.slicer.org/t/prostate-mri-us-contour-propagation-8-bits-export/12406)

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**Author:** [@michaeleth](https://discourse.slicer.org/u/michaeleth)\
**Replies:** 5\
**Last updated:** [July 7, 2020, 8:27pm UTC](https://discourse.slicer.org/t/prostate-mri-us-contour-propagation-8-bits-export/12406 "2020-07-07T20:27:21Z")

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Operating system:Windows 10 Slicer version:4.10.2 Expected behavior: Actual behavior: We are tying to import deformed contours done on US image to our planning system. This is after registration has been conducted us…

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## [Export ROI as DICOM & NiFTI?](https://discourse.slicer.org/t/export-roi-as-dicom-nifti/12427)

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**Author:** [@esultcase](https://discourse.slicer.org/u/esultcase)\
**Replies:** 1\
**Last updated:** [July 7, 2020, 7:18pm UTC](https://discourse.slicer.org/t/export-roi-as-dicom-nifti/12427 "2020-07-07T19:18:46Z")

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Does Slicer have the ability to segment an MRI & export the ROI in both DICOM & NiFTI file formats? I’m using Slicer version 4.10.2 on Mac. Thanks!

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## [3d small bowel model](https://discourse.slicer.org/t/3d-small-bowel-model/5728)

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**Author:** [@aaron\_price](https://discourse.slicer.org/u/aaron_price)\
**Replies:** 3\
**Last updated:** [July 7, 2020, 4:22pm UTC](https://discourse.slicer.org/t/3d-small-bowel-model/5728 "2020-07-07T16:22:03Z")

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Hello, I am attempting to form a detailed 3d model of distal small bowel and colon using a CT abdomen pelvis with oral and iv contrast. Is there a specific tool or extension that anyone would recommend for this? My attem…

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## [Segment the colon and small bowel](https://discourse.slicer.org/t/segment-the-colon-and-small-bowel/12420)

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**Author:** [@11140](https://discourse.slicer.org/u/11140)\
**Replies:** 0\
**Last updated:** [July 7, 2020, 3:47pm UTC](https://discourse.slicer.org/t/segment-the-colon-and-small-bowel/12420 "2020-07-07T15:47:33Z")

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Dear Sir, I am trying to annotate the small bowel and colon in abdomen CT scan, however, annotating slice by slice is extremely time-consuming. Do you have any suggestions for the solution? Sincerely wish your reply!

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## [Drawing line through spinal canal using CT](https://discourse.slicer.org/t/drawing-line-through-spinal-canal-using-ct/12384)

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**Author:** [@bz78](https://discourse.slicer.org/u/bz78)\
**Replies:** 8\
**Last updated:** [July 7, 2020, 2:29pm UTC](https://discourse.slicer.org/t/drawing-line-through-spinal-canal-using-ct/12384 "2020-07-07T14:29:43Z")

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Hi all, Is there an automatic way to draw a cranio-caudal line (using CurveMaker) through the spinal canal using CT slices? We are able to easily generate a detailed 3D model of the vertebral column by thresholding and …

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## [Update slice views from qMRMLNodeComboBox](https://discourse.slicer.org/t/update-slice-views-from-qmrmlnodecombobox/12383)

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**Author:** [@sogo](https://discourse.slicer.org/u/sogo)\
**Replies:** 2\
**Last updated:** [July 7, 2020, 7:07am UTC](https://discourse.slicer.org/t/update-slice-views-from-qmrmlnodecombobox/12383 "2020-07-07T07:07:04Z")

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Hi, My question is, is there a way to display slice views from currently selected Volume in qMRMLNodeComboBox. I have a small loadable module c++ script in which I’m using qMRMLNodeComboBox copied from “volumes” module.…

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## [How to apply visually crop of the 3D model?](https://discourse.slicer.org/t/how-to-apply-visually-crop-of-the-3d-model/12411)

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**Author:** [@jarrik](https://discourse.slicer.org/u/jarrik)\
**Replies:** 0\
**Last updated:** [July 7, 2020, 3:24am UTC](https://discourse.slicer.org/t/how-to-apply-visually-crop-of-the-3d-model/12411 "2020-07-07T03:24:02Z")

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Operating system: windows 10 Slicer version: 4.10.2 Expected behavior: Actual behavior: Hello everyone. My question is: I need to crop visyally already rendered 3D model to see it’s internal configuration. I tryed …

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## [Oversampling memory usage](https://discourse.slicer.org/t/oversampling-memory-usage/12403)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 11\
**Last updated:** [July 7, 2020, 12:18am UTC](https://discourse.slicer.org/t/oversampling-memory-usage/12403 "2020-07-07T00:18:31Z")

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This is a best-practice sort of a question. We have to deal with segmenting thin bones in large volumes (e.g., 1024^3 or even larger) quite often. The typical suggestion on the forum has been to oversample the segmentat…

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## [Model Generation](https://discourse.slicer.org/t/model-generation/12399)

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**Author:** [@IanH](https://discourse.slicer.org/u/IanH)\
**Replies:** 9\
**Last updated:** [July 6, 2020, 7:07pm UTC](https://discourse.slicer.org/t/model-generation/12399 "2020-07-06T19:07:33Z")

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Using help given on other posts I’ve made on here I’ve been able to make a nice looking model on the 3D view panel in the software. However, when I export the file to a .obj file it comes through as just a solid block. D…

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## [Sample Data Load Complete, Still Won't Appear](https://discourse.slicer.org/t/sample-data-load-complete-still-wont-appear/12392)

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**Author:** [@vertebra](https://discourse.slicer.org/u/vertebra)\
**Replies:** 8\
**Last updated:** [July 6, 2020, 2:44pm UTC](https://discourse.slicer.org/t/sample-data-load-complete-still-wont-appear/12392 "2020-07-06T14:44:40Z")

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My sample data will download but it will not appear on the slices. I have restarted my slicer and laptop, still doesn’t work. Any tips?

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## [Importing a tiff sequence](https://discourse.slicer.org/t/importing-a-tiff-sequence/11864)

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**Author:** [@Deepa](https://discourse.slicer.org/u/Deepa)\
**Replies:** 11\
**Last updated:** [July 6, 2020, 5:44am UTC](https://discourse.slicer.org/t/importing-a-tiff-sequence/11864 "2020-07-06T05:44:34Z")

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Hi there I’ve imported a tiff file that contains a stack of images from here using ImageStack \> Browse files in Slicer 4.11. After hitting load, I couldn’t see the images as a stack/view slice by slice in RGY panel an…

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