# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=214

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

**Page:** 215

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## [Starting Slicer from GitHub Actions workflow](https://discourse.slicer.org/t/starting-slicer-from-github-actions-workflow/24400)

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**Author:** [@jamesobutler](https://discourse.slicer.org/u/jamesobutler)\
**Replies:** 5\
**Last updated:** [July 20, 2022, 3:04am UTC](https://discourse.slicer.org/t/starting-slicer-from-github-actions-workflow/24400 "2022-07-20T03:04:53Z")

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I’m attempting to start Slicer (specifically a custom app) from a GitHub actions workflow, but I’m constantly running into “Graphics capability of this computer is not sufficient to run this application” issues. Does any…

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## [MONAI Label - unable to get the target\_spacing and spatial\_size using heuristic\_planner](https://discourse.slicer.org/t/monai-label-unable-to-get-the-target-spacing-and-spatial-size-using-heuristic-planner/24391)

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**Author:** [@hourglassnam](https://discourse.slicer.org/u/hourglassnam)\
**Replies:** 4\
**Last updated:** [July 19, 2022, 10:38pm UTC](https://discourse.slicer.org/t/monai-label-unable-to-get-the-target-spacing-and-spatial-size-using-heuristic-planner/24391 "2022-07-19T22:38:47Z")

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Dear Slicer community, I have a few minor questions and one big question on MONAI Label as I try to train from scratch. So let me start by stating the big question first. Because I do not know the target\_spacing and s…

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## [How to make the stylus more smooth and stable](https://discourse.slicer.org/t/how-to-make-the-stylus-more-smooth-and-stable/19862)

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**Author:** [@slicer365](https://discourse.slicer.org/u/slicer365)\
**Replies:** 8\
**Last updated:** [July 19, 2022, 7:05pm UTC](https://discourse.slicer.org/t/how-to-make-the-stylus-more-smooth-and-stable/19862 "2022-07-19T19:05:00Z")

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Dear friends, when I use IGT and camera-based navigation simulation, as this video shows, the movement of the stylus is always stuck and not smooth. how to solve this problem？

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## [Issues with Combine models module](https://discourse.slicer.org/t/issues-with-combine-models-module/24387)

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**Author:** [@SegmentedYannig](https://discourse.slicer.org/u/SegmentedYannig)\
**Replies:** 2\
**Last updated:** [July 19, 2022, 1:58pm UTC](https://discourse.slicer.org/t/issues-with-combine-models-module/24387 "2022-07-19T13:58:40Z")

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Hello 3DSlicer community ! I’ve been experiencing weird behaviors with the Combine models module, as it sometimes returns an empty mesh and I can’t figure out why as it sometimes does work. I’m trying to compute the in…

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## [Automate measurements of humerus distal end](https://discourse.slicer.org/t/automate-measurements-of-humerus-distal-end/24390)

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**Author:** [@kmmarquezf](https://discourse.slicer.org/u/kmmarquezf)\
**Replies:** 0\
**Last updated:** [July 19, 2022, 10:31am UTC](https://discourse.slicer.org/t/automate-measurements-of-humerus-distal-end/24390 "2022-07-19T10:31:28Z")

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Hello, I’m new at 3D slicer (very very new). I have a bunch (≈240) of digitalized Humeri (.stl, .ply and .obj). I’m assuming that the articular surface of their distal end can be approximated to a revolution surface (at…

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## [NVIDIA head segmentation](https://discourse.slicer.org/t/nvidia-head-segmentation/24366)

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**Author:** [@ggrrll](https://discourse.slicer.org/u/ggrrll)\
**Replies:** 4\
**Last updated:** [July 18, 2022, 10:54pm UTC](https://discourse.slicer.org/t/nvidia-head-segmentation/24366 "2022-07-18T22:54:49Z")

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Hi, is is possible to have a head segmentation with NVIDIA AIAA from a brain MRI something like for head thanks

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## [QT license type in Slicer and commerical use question?](https://discourse.slicer.org/t/qt-license-type-in-slicer-and-commerical-use-question/24364)

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**Author:** [@StephenLeePeng](https://discourse.slicer.org/u/StephenLeePeng)\
**Replies:** 3\
**Last updated:** [July 18, 2022, 8:06pm UTC](https://discourse.slicer.org/t/qt-license-type-in-slicer-and-commerical-use-question/24364 "2022-07-18T20:06:25Z")

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Hi everybody. As QT is GUI Framework for Slicer, and QT has two types license, LGPL and GPL. LGPL includes: Core, Widgets, QML and so on. GPL includes Qt Chats and so on. As I develop a product, built as an extension…

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## [Segment Editor - Liver segmentation issue](https://discourse.slicer.org/t/segment-editor-liver-segmentation-issue/24290)

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**Author:** [@suranga](https://discourse.slicer.org/u/suranga)\
**Replies:** 5\
**Last updated:** [July 18, 2022, 5:07pm UTC](https://discourse.slicer.org/t/segment-editor-liver-segmentation-issue/24290 "2022-07-18T17:07:52Z")

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Hi, To segment the liver, I simply utilised the Segment Editor tool. However, after using the grow from seed effect, I observed that there are extra boundaries and regions that do not belong to the liver region. How do …

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## ['vtkSlicerMarkupsModuleMRML.vtkMRMLMarkupsDisplayNo' object has no attribute 'SetSliceDisplayModeToProjection'](https://discourse.slicer.org/t/vtkslicermarkupsmodulemrml-vtkmrmlmarkupsdisplayno-object-has-no-attribute-setslicedisplaymodetoprojection/24348)

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**Author:** [@jumbojing](https://discourse.slicer.org/u/jumbojing)\
**Replies:** 2\
**Last updated:** [July 17, 2022, 7:58am UTC](https://discourse.slicer.org/t/vtkslicermarkupsmodulemrml-vtkmrmlmarkupsdisplayno-object-has-no-attribute-setslicedisplaymodetoprojection/24348 "2022-07-17T07:58:43Z")

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what’s wrong?

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## [Place fiducial at centroid of current slice](https://discourse.slicer.org/t/place-fiducial-at-centroid-of-current-slice/22169)

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**Author:** [@jmhuie](https://discourse.slicer.org/u/jmhuie)\
**Replies:** 3\
**Last updated:** [July 17, 2022, 4:01am UTC](https://discourse.slicer.org/t/place-fiducial-at-centroid-of-current-slice/22169 "2022-07-17T04:01:16Z")

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Hi All, I am trying to create a python script that will place a fiducial at the centroid of a currently visible slice of a segment. Unfortunately, I am running into a few road blocks. Specifically, I am not sure how to …

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## [Error in SUV computation](https://discourse.slicer.org/t/error-in-suv-computation/22935)

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**Author:** [@KateDelb](https://discourse.slicer.org/u/KateDelb)\
**Replies:** 2\
**Last updated:** [July 16, 2022, 4:48pm UTC](https://discourse.slicer.org/t/error-in-suv-computation/22935 "2022-07-16T16:48:26Z")

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I’m trying to compute SUV values for my FET-PET images, however it throws the following error: Geometric issues were found with 1 of the series. Please use caution. Traceback (most recent call last): File "C:\\Users\\k…

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## [Maintenance of download.slicer.org, slicer.kitware.com and slicer-packages.kitware.com planned for July 15th 2022 - 12:00pm to 1:30pm ET](https://discourse.slicer.org/t/maintenance-of-download-slicer-org-slicer-kitware-com-and-slicer-packages-kitware-com-planned-for-july-15th-2022-12-00pm-to-1-30pm-et/24333)

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**Author:** [@jcfr](https://discourse.slicer.org/u/jcfr)\
**Replies:** 1\
**Last updated:** [July 15, 2022, 7:58pm UTC](https://discourse.slicer.org/t/maintenance-of-download-slicer-org-slicer-kitware-com-and-slicer-packages-kitware-com-planned-for-july-15th-2022-12-00pm-to-1-30pm-et/24333 "2022-07-15T19:58:12Z")

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The following system will be temporarily unavailable while system updates are deployed on the corresponding virtual machines. We anticipate the disruption time to be minimal. Server Description download.slicer.…

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## [Vascular Modeling Toolkit: Centerline. The format of exported centerline.](https://discourse.slicer.org/t/vascular-modeling-toolkit-centerline-the-format-of-exported-centerline/24331)

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**Author:** [@NwahsHou](https://discourse.slicer.org/u/NwahsHou)\
**Replies:** 1\
**Last updated:** [July 15, 2022, 5:32pm UTC](https://discourse.slicer.org/t/vascular-modeling-toolkit-centerline-the-format-of-exported-centerline/24331 "2022-07-15T17:32:40Z")

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Hi, The centerline curve was successfully obtained, but how can I define the format of exported file. 3D silcer gives 3 types of format: .mrk.json, .json and .fcsv. As I want to preserve the structure and the metadata…

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## [Python code to place fiducial markers into slicer](https://discourse.slicer.org/t/python-code-to-place-fiducial-markers-into-slicer/24317)

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**Author:** [@mxtt](https://discourse.slicer.org/u/mxtt)\
**Replies:** 3\
**Last updated:** [July 15, 2022, 4:49pm UTC](https://discourse.slicer.org/t/python-code-to-place-fiducial-markers-into-slicer/24317 "2022-07-15T16:49:18Z")

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I am trying to place fiducial markers down, but not with the widget or GUI. I am wondering how I can do this in my python code. I have a text file with a list of coordinates, and I want to place the markers at those coor…

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## [Display common physical point on diffrent modalities](https://discourse.slicer.org/t/display-common-physical-point-on-diffrent-modalities/24305)

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**Author:** [@Jakub\_Mitura](https://discourse.slicer.org/u/Jakub_Mitura)\
**Replies:** 1\
**Last updated:** [July 14, 2022, 6:39pm UTC](https://discourse.slicer.org/t/display-common-physical-point-on-diffrent-modalities/24305 "2022-07-14T18:39:47Z")

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I know that slicer keeps track on physical position of each voxel - as a starting point for registration I would like to display using python or interactively in the same time voxels that correspond to the same physical …

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## [Rotation of image using python cuts off part of image](https://discourse.slicer.org/t/rotation-of-image-using-python-cuts-off-part-of-image/24310)

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**Author:** [@KateDelb](https://discourse.slicer.org/u/KateDelb)\
**Replies:** 0\
**Last updated:** [July 14, 2022, 12:08pm UTC](https://discourse.slicer.org/t/rotation-of-image-using-python-cuts-off-part-of-image/24310 "2022-07-14T12:08:14Z")

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I have written a little script that rotates an image based on a transform (.tfm) that I’ve obtained from the Slicer GUI: def resample(image, transform): # Output image Origin, Spacing, Size, Direction are taken from…

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## [Can Multi-Volume Rendering with two volumes overlapped imporved performance?](https://discourse.slicer.org/t/can-multi-volume-rendering-with-two-volumes-overlapped-imporved-performance/24267)

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**Author:** [@StephenLeePeng](https://discourse.slicer.org/u/StephenLeePeng)\
**Replies:** 7\
**Last updated:** [July 14, 2022, 9:03am UTC](https://discourse.slicer.org/t/can-multi-volume-rendering-with-two-volumes-overlapped-imporved-performance/24267 "2022-07-14T09:03:40Z")

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Hi everybody, Recently I researched multi-volume rendering. The situation is I have to render the lung nodule, the vessel and pleura arround the nodule. The lung nodule is first volume, and the vessel and pleura is se…

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## [How to separate the left mouse click event from the left mouse drag time when operating a Markup node](https://discourse.slicer.org/t/how-to-separate-the-left-mouse-click-event-from-the-left-mouse-drag-time-when-operating-a-markup-node/24303)

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**Author:** [@1023185654](https://discourse.slicer.org/u/1023185654)\
**Replies:** 0\
**Last updated:** [July 14, 2022, 6:44am UTC](https://discourse.slicer.org/t/how-to-separate-the-left-mouse-click-event-from-the-left-mouse-drag-time-when-operating-a-markup-node/24303 "2022-07-14T06:44:49Z")

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Operating system: unbuntu 18.04 Slicer version: Slicer-4.13.0-2022-01-16-linux-amd64 Expected behavior:add the control point when I press the left button,and Rotate the 3D model while holding and dragging the left mous…

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## [How to use Screen Capture Module to save slices as .png files one-by-one along one axial?](https://discourse.slicer.org/t/how-to-use-screen-capture-module-to-save-slices-as-png-files-one-by-one-along-one-axial/21336)

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**Author:** [@user4](https://discourse.slicer.org/u/user4)\
**Replies:** 24\
**Last updated:** [July 14, 2022, 3:26am UTC](https://discourse.slicer.org/t/how-to-use-screen-capture-module-to-save-slices-as-png-files-one-by-one-along-one-axial/21336 "2022-07-14T03:26:38Z")

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Hi all,this is the thing I want to do: I need to save all the ROI slice png files along one axial.For example,I need to save the slices from -20 to 20 along I-S axial according to the volume spacing information. Man…

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## [Segment mesher not appearing in Segmentation dropdown menu](https://discourse.slicer.org/t/segment-mesher-not-appearing-in-segmentation-dropdown-menu/23417)

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**Author:** [@Vasko](https://discourse.slicer.org/u/Vasko)\
**Replies:** 2\
**Last updated:** [July 13, 2022, 11:34pm UTC](https://discourse.slicer.org/t/segment-mesher-not-appearing-in-segmentation-dropdown-menu/23417 "2022-07-13T23:34:05Z")

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Operating system: Windows 10 Pro Slicer version:4.11.202100226 Expected behavior:Make volumetric mesh Actual behavior:Can’t use Segment Mesher Hello everyone, I want to make volumetric mesh for single tooth. I’ve in…

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## [Error in discharge of images](https://discourse.slicer.org/t/error-in-discharge-of-images/24301)

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**Author:** [@CARLOS1](https://discourse.slicer.org/u/CARLOS1)\
**Replies:** 1\
**Last updated:** [July 13, 2022, 11:00pm UTC](https://discourse.slicer.org/t/error-in-discharge-of-images/24301 "2022-07-13T23:00:39Z")

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When i dicharge un DICOM archive, the coronal and sagital slices are inverted. I hope anybody can help me Thanks

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## [Downloading extensions for older releases](https://discourse.slicer.org/t/downloading-extensions-for-older-releases/19256)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 10\
**Last updated:** [July 13, 2022, 9:39pm UTC](https://discourse.slicer.org/t/downloading-extensions-for-older-releases/19256 "2022-07-13T21:39:22Z")

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Due to the recent transition to the updated Extension Manager and Data Store infrastructure, when using Slicer-4.11 (or older) version, users will need to manually download and install extensions from the new extension s…

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## [Fail to upload DICOM data](https://discourse.slicer.org/t/fail-to-upload-dicom-data/24292)

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**Author:** [@zmm-slicer](https://discourse.slicer.org/u/zmm-slicer)\
**Replies:** 2\
**Last updated:** [July 13, 2022, 8:38pm UTC](https://discourse.slicer.org/t/fail-to-upload-dicom-data/24292 "2022-07-13T20:38:06Z")

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When I upload a file, it cannot be uploaded successfully, and the display is: The format of the data is as follows: What can I do for sovling this problem？ Thank you very much

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## [Inline documentation](https://discourse.slicer.org/t/inline-documentation/24298)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 1\
**Last updated:** [July 13, 2022, 8:17pm UTC](https://discourse.slicer.org/t/inline-documentation/24298 "2022-07-13T20:17:25Z")

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We have tutorials for SlicerMorph community on GH. I would like to make a small utility module that we can bundle with SlicerMorph extension to provide this information to the users. Currently the plan is to have list o…

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## [Fail to open saved scene](https://discourse.slicer.org/t/fail-to-open-saved-scene/24284)

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**Author:** [@SeaErhard](https://discourse.slicer.org/u/SeaErhard)\
**Replies:** 2\
**Last updated:** [July 13, 2022, 3:00pm UTC](https://discourse.slicer.org/t/fail-to-open-saved-scene/24284 "2022-07-13T15:00:21Z")

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Hi all, After I installed 3D slicer version 5 in addition to 4.11 on my laptop, the saved scene could not be open. It only opens the 3D slicer as blank, when I double-click at the saved scene MRML file. I attached …

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## [Adding the mouse event to the markup does not take effect](https://discourse.slicer.org/t/adding-the-mouse-event-to-the-markup-does-not-take-effect/24293)

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**Author:** [@1023185654](https://discourse.slicer.org/u/1023185654)\
**Replies:** 2\
**Last updated:** [July 13, 2022, 10:59am UTC](https://discourse.slicer.org/t/adding-the-mouse-event-to-the-markup-does-not-take-effect/24293 "2022-07-13T10:59:12Z")

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Operating system:18.04.1-Ubuntu Slicer version:Slicer-4.13.0 Expected behavior:Add shortcut keys to the markup add curve node Actual behavior:There is no response after you customize the behavior according to the inst…

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## [LungCTSegmenter error:Failed to start segmentation](https://discourse.slicer.org/t/lungctsegmenter-error-failed-to-start-segmentation/24257)

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**Author:** [@Faraday\_Caraway](https://discourse.slicer.org/u/Faraday_Caraway)\
**Replies:** 4\
**Last updated:** [July 13, 2022, 3:10am UTC](https://discourse.slicer.org/t/lungctsegmenter-error-failed-to-start-segmentation/24257 "2022-07-13T03:10:14Z")

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Hello, I am a novice user of 3D Slicer and trying to use version 5.1.0 of the software in windows 11.For a CT that I am looking at, I could not get segmentation done. It shows error message:Failed to start segmentati…

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## [Converting mesh data to volumetric data](https://discourse.slicer.org/t/converting-mesh-data-to-volumetric-data/24279)

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**Author:** [@Andrey\_Titov](https://discourse.slicer.org/u/Andrey_Titov)\
**Replies:** 2\
**Last updated:** [July 12, 2022, 9:55pm UTC](https://discourse.slicer.org/t/converting-mesh-data-to-volumetric-data/24279 "2022-07-12T21:55:39Z")

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Hello everyone, I was wondering if it is possible to use 3D Slicer to convert a triangular mesh (for example, one that has an .obj format) to a volumetric representation, and then save it to a medical volume format (for…

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## [How to do batch registration?](https://discourse.slicer.org/t/how-to-do-batch-registration/9633)

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**Author:** [@Scorbinwen](https://discourse.slicer.org/u/Scorbinwen)\
**Replies:** 10\
**Last updated:** [July 12, 2022, 1:04pm UTC](https://discourse.slicer.org/t/how-to-do-batch-registration/9633 "2022-07-12T13:04:55Z")

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I want to register a batch of CT and MR volumes automatically using 3DSlicer.For example: A1——\>B1 A2——\>B2 A3——\>B3 A4——\>B4 … I’ve briefly read the description for Sequence Registration,but that seems more like 4D r…

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## [How to change the icon\[SlicerEditCut.png\]](https://discourse.slicer.org/t/how-to-change-the-icon-slicereditcut-png/24236)

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**Author:** [@csm1044690543](https://discourse.slicer.org/u/csm1044690543)\
**Replies:** 2\
**Last updated:** [July 12, 2022, 7:23am UTC](https://discourse.slicer.org/t/how-to-change-the-icon-slicereditcut-png/24236 "2022-07-12T07:23:43Z")

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Which method can be modified， thanks I want change Scissors icon or Scissors size the icon path is Modules/Loadable/Segmentations/EditorEffects/qSlicerSegmentEditorScissorsEffect.cxx \[Icons/Medium/SlicerEditCut.png\]

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