# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=123

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

**Page:** 124

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## [Clarius in Slicer](https://discourse.slicer.org/t/clarius-in-slicer/33393)

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**Author:** [@kst](https://discourse.slicer.org/u/kst)\
**Replies:** 0\
**Last updated:** [December 14, 2023, 8:37am UTC](https://discourse.slicer.org/t/clarius-in-slicer/33393 "2023-12-14T08:37:56Z")

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Hello, I have connected the Clarius C3 HD3 to Slicer via the Plus Toolkit. According to the video https://www.youtube.com/watch?v=2vXeJxYFou4&t=4s, I expected the live image in the 3D view to rearrange itself while movin…

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## [Model to Model Distance command line](https://discourse.slicer.org/t/model-to-model-distance-command-line/33384)

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**Author:** [@jhernandezr](https://discourse.slicer.org/u/jhernandezr)\
**Replies:** 2\
**Last updated:** [December 14, 2023, 11:04am UTC](https://discourse.slicer.org/t/model-to-model-distance-command-line/33384 "2023-12-14T11:04:26Z")

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Hello there! Me and my teammates are trying to develop a project where we need to apply the model to model distance module with a command line and we were unable to do so. Is there anyone that knows how to call that mo…

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## [Can not draw the segment](https://discourse.slicer.org/t/can-not-draw-the-segment/33337)

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**Author:** [@JamesM](https://discourse.slicer.org/u/JamesM)\
**Replies:** 3\
**Last updated:** [December 14, 2023, 10:15am UTC](https://discourse.slicer.org/t/can-not-draw-the-segment/33337 "2023-12-14T10:15:46Z")

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I am drawing tumor volumes on brain MRI, and I’m facing an issue where the drawing is not possible at the desired tumor location. It seems to be occurring only above that point, especially when dealing with tumors in the…

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## [Is there a python api for void qSlicerReformatModuleWidgetPrivate:: resetSlider(qMRMLLinearTransformSlider\* slider)?](https://discourse.slicer.org/t/is-there-a-python-api-for-void-qslicerreformatmodulewidgetprivate-resetslider-qmrmllineartransformslider-slider/33338)

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**Author:** [@derekcbr](https://discourse.slicer.org/u/derekcbr)\
**Replies:** 3\
**Last updated:** [December 14, 2023, 9:51am UTC](https://discourse.slicer.org/t/is-there-a-python-api-for-void-qslicerreformatmodulewidgetprivate-resetslider-qmrmllineartransformslider-slider/33338 "2023-12-14T09:51:18Z")

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BreadcrumbsSlicer/Modules/Loadable/Reformat /qSlicerReformatModuleWidget.cxx Is it possible to call resetSlider method? reformatLogic = slicer.modules.reformat.logic() reformatLogic.RotateSlice(sliceNode, 0, rotateX) …

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## [Questions about comparing segments with the Segment Comparison module](https://discourse.slicer.org/t/questions-about-comparing-segments-with-the-segment-comparison-module/31420)

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**Author:** [@shahrokh](https://discourse.slicer.org/u/shahrokh)\
**Replies:** 5\
**Last updated:** [December 13, 2023, 11:08pm UTC](https://discourse.slicer.org/t/questions-about-comparing-segments-with-the-segment-comparison-module/31420 "2023-12-13T23:08:45Z")

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Hello Dear Developers and Users Is it possible to compare the segment of a specific organ, e.g. liver, (from CT images) in two different patients? Basically, is it reasonable to directly compare such segments (from tw…

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## [Square/Cube Paint Brush](https://discourse.slicer.org/t/square-cube-paint-brush/33372)

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**Author:** [@lena\_b](https://discourse.slicer.org/u/lena_b)\
**Replies:** 4\
**Last updated:** [December 13, 2023, 10:31pm UTC](https://discourse.slicer.org/t/square-cube-paint-brush/33372 "2023-12-13T22:31:57Z")

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Hi, I am wondering if anyone has been able to implement a square/cube brush for “Paint” in “Segmentation Editor”. Thanks.

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## [Overlay model with original image in slicer](https://discourse.slicer.org/t/overlay-model-with-original-image-in-slicer/33305)

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**Author:** [@G\_Tom](https://discourse.slicer.org/u/G_Tom)\
**Replies:** 3\
**Last updated:** [December 13, 2023, 10:11pm UTC](https://discourse.slicer.org/t/overlay-model-with-original-image-in-slicer/33305 "2023-12-13T22:11:44Z")

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Hi, I have the following MWE code in slicer. I want to show the 3D grid of the image along with the image. I use the vtkExtractEdges and pass that to a vtkTubeFilter. When I visualize the result, the extracted grid is …

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## [Boundary deviation (BD) and Dice Similarity Coefficient (DSC)](https://discourse.slicer.org/t/boundary-deviation-bd-and-dice-similarity-coefficient-dsc/8101)

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**Author:** [@MFS-YES](https://discourse.slicer.org/u/MFS-YES)\
**Replies:** 3\
**Last updated:** [December 13, 2023, 9:51pm UTC](https://discourse.slicer.org/t/boundary-deviation-bd-and-dice-similarity-coefficient-dsc/8101 "2023-12-13T21:51:56Z")

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Operating system: Slicer version: Hello! I want to calculate Boundary deviations or differences (BD) and Dice Similarity Coefficient (DSC) for a 3D image on slicer and show error map (from 0 to 1). I evaluate BD by usi…

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## [How auto W/L is implemented in 3DSlicer?](https://discourse.slicer.org/t/how-auto-w-l-is-implemented-in-3dslicer/8797)

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**Author:** [@Scorbinwen](https://discourse.slicer.org/u/Scorbinwen)\
**Replies:** 7\
**Last updated:** [December 13, 2023, 1:02pm UTC](https://discourse.slicer.org/t/how-auto-w-l-is-implemented-in-3dslicer/8797 "2023-12-13T13:02:57Z")

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Operating system: Windows Slicer version: 4.8.1 Expected behavior:NO Actual behavior:NO How auto W/L is implemented in 3DSlicer? I’m fanscinated with the auto W/L module in 3DSlicer,which satisfies my requirement …

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## [How can i lengthen cylinder model by Long axis(Z axis)](https://discourse.slicer.org/t/how-can-i-lengthen-cylinder-model-by-long-axis-z-axis/33347)

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**Author:** [@yeong9316](https://discourse.slicer.org/u/yeong9316)\
**Replies:** 4\
**Last updated:** [December 13, 2023, 10:04am UTC](https://discourse.slicer.org/t/how-can-i-lengthen-cylinder-model-by-long-axis-z-axis/33347 "2023-12-13T10:04:19Z")

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I made the straight line created with Markups into a cylinder model using the Markups to model module, and I would like to increase the length of the cylinder in that state. We are literally in a situation where we want…

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## [Import OsiriX ROI as segmentation](https://discourse.slicer.org/t/import-osirix-roi-as-segmentation/10719)

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**Author:** [@esrasmr](https://discourse.slicer.org/u/esrasmr)\
**Replies:** 19\
**Last updated:** [December 13, 2023, 1:31am UTC](https://discourse.slicer.org/t/import-osirix-roi-as-segmentation/10719 "2023-12-13T01:31:10Z")

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Hello, I have ima files and their segmentation data as xml / rois\_seris file formats. How can I import segmentations to 3D Slicer and create 3D models out of them? Are these file formats supported in the segmentation mo…

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## [Segmentation / corner detection of grid intersection points in 3D image](https://discourse.slicer.org/t/segmentation-corner-detection-of-grid-intersection-points-in-3d-image/33361)

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**Author:** [@G\_Tom](https://discourse.slicer.org/u/G_Tom)\
**Replies:** 5\
**Last updated:** [December 12, 2023, 10:35pm UTC](https://discourse.slicer.org/t/segmentation-corner-detection-of-grid-intersection-points-in-3d-image/33361 "2023-12-12T22:35:27Z")

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Hello, I have a 3D volume of a grid. I would like to detect the intersection points. I know if it was a 2D image, I can run Corner Detection algorithm. however, in 3D what will be the equivalent, best approach ? the v…

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## [Reference of CTA cardio in master thesis ](https://discourse.slicer.org/t/reference-of-cta-cardio-in-master-thesis/33366)

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**Author:** [@Marthe](https://discourse.slicer.org/u/Marthe)\
**Replies:** 1\
**Last updated:** [December 12, 2023, 9:12pm UTC](https://discourse.slicer.org/t/reference-of-cta-cardio-in-master-thesis/33366 "2023-12-12T21:12:19Z")

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Hi For my Master Thesis I was planning to use 3D slicer to segment the thorax and heart from a CT scan of a male young adult in order to 3D print models of it. For this, I am still searching for a proper public availabl…

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## [Can I generate my own brand new segmentation model by training without loading the pre trained model?](https://discourse.slicer.org/t/can-i-generate-my-own-brand-new-segmentation-model-by-training-without-loading-the-pre-trained-model/33368)

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**Author:** [@xiang\_yao](https://discourse.slicer.org/u/xiang_yao)\
**Replies:** 0\
**Last updated:** [December 12, 2023, 7:04pm UTC](https://discourse.slicer.org/t/can-i-generate-my-own-brand-new-segmentation-model-by-training-without-loading-the-pre-trained-model/33368 "2023-12-12T19:04:44Z")

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I would like to use MonAILabel to create a new model for segmenting the bone gray matter of vertebrae L1, L2, and L3. May I ask if I have modified the self labels in segmention.py{ “Background”: 0, “SegmentionL1”: 1, …

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## [Automatic Endpoint Detection and Centerline Extraction for Bronchoscopy](https://discourse.slicer.org/t/automatic-endpoint-detection-and-centerline-extraction-for-bronchoscopy/33367)

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**Author:** [@Rohan](https://discourse.slicer.org/u/Rohan)\
**Replies:** 0\
**Last updated:** [December 12, 2023, 7:04pm UTC](https://discourse.slicer.org/t/automatic-endpoint-detection-and-centerline-extraction-for-bronchoscopy/33367 "2023-12-12T19:04:29Z")

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Hi, I have a c++ application developed for centerline extraction for segmented airway in c++ using vtk8.1 and vmtk. For centerline extraction before we used to select one seedpoint as input and multiple seedpoint as ou…

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## [I cannot use ALPACA module](https://discourse.slicer.org/t/i-cannot-use-alpaca-module/33352)

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**Author:** [@YOU\_DDS](https://discourse.slicer.org/u/YOU_DDS)\
**Replies:** 1\
**Last updated:** [December 12, 2023, 5:07pm UTC](https://discourse.slicer.org/t/i-cannot-use-alpaca-module/33352 "2023-12-12T17:07:02Z")

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Dear Professors, friends and all members here, I need your advice on using ALPACA. I have installed the SlicerMorph extension. After installation, I am trying to use ALPACA module, but when I click on this module, noth…

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## [How to analyze the thickness of the model](https://discourse.slicer.org/t/how-to-analyze-the-thickness-of-the-model/2735)

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**Author:** [@timeanddoctor](https://discourse.slicer.org/u/timeanddoctor)\
**Replies:** 3\
**Last updated:** [December 12, 2023, 10:07am UTC](https://discourse.slicer.org/t/how-to-analyze-the-thickness-of-the-model/2735 "2023-12-12T10:07:27Z")

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Can I analyze the thickness of a stl model, and then get a color map. The distance between the two sides of an object.

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## [Slicer crashes on launch with "PC register does not match crashing frame" - mac Sonoma 14.0](https://discourse.slicer.org/t/slicer-crashes-on-launch-with-pc-register-does-not-match-crashing-frame-mac-sonoma-14-0/33340)

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**Author:** [@EricP](https://discourse.slicer.org/u/EricP)\
**Replies:** 2\
**Last updated:** [December 12, 2023, 7:27am UTC](https://discourse.slicer.org/t/slicer-crashes-on-launch-with-pc-register-does-not-match-crashing-frame-mac-sonoma-14-0/33340 "2023-12-12T07:27:15Z")

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Hello, Just purchased a new macbook Air G2 under macOs Sonoma 14.0 and re-installed slic3r. When launching the app, it crashes immediately (doesn’t even open a window). In the crash report, I get a “PC register does not…

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## [2 questions as a newbie](https://discourse.slicer.org/t/2-questions-as-a-newbie/33325)

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**Author:** [@JamesM](https://discourse.slicer.org/u/JamesM)\
**Replies:** 3\
**Last updated:** [December 11, 2023, 4:31pm UTC](https://discourse.slicer.org/t/2-questions-as-a-newbie/33325 "2023-12-11T16:31:30Z")

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Hello. I am currently measuring the brain tumor volumes of multiple patients using 3D Slicer and have encountered some issues that I hope you can help me resolve. Thank you in advance for your assistance. Patient Recog…

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## [Double click to switch between multiple view to single view of slice not working (Slicer 5.6.0 release)](https://discourse.slicer.org/t/double-click-to-switch-between-multiple-view-to-single-view-of-slice-not-working-slicer-5-6-0-release/33342)

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**Author:** [@Maya\_Kiperwas\_Gal](https://discourse.slicer.org/u/Maya_Kiperwas_Gal)\
**Replies:** 1\
**Last updated:** [December 11, 2023, 4:27pm UTC](https://discourse.slicer.org/t/double-click-to-switch-between-multiple-view-to-single-view-of-slice-not-working-slicer-5-6-0-release/33342 "2023-12-11T16:27:02Z")

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Problem report for Slicer 5.6.0 win-amd64: the different views display does not switch to a slice display upon double click of the requested view as in previous versions 5.6.0 (revision 32390 / 0a13b9c) win-amd64 - inst…

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## [Does SlicerVirtualReality work with 5.6?](https://discourse.slicer.org/t/does-slicervirtualreality-work-with-5-6/33306)

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**Author:** [@mikebind](https://discourse.slicer.org/u/mikebind)\
**Replies:** 2\
**Last updated:** [December 11, 2023, 4:09pm UTC](https://discourse.slicer.org/t/does-slicervirtualreality-work-with-5-6/33306 "2023-12-11T16:09:11Z")

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I have a colleague who is interested in trying SlicerVirtualReality for visualization of cardiac data. I don’t have any experience trying to use Slicer with VR because I don’t have the equipment, but I know I have seen …

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## [Warning message: qSlicerSubjectHierarchyFolderPlugin::canOwnSubjectHierarchyItem - Input item is invalid](https://discourse.slicer.org/t/warning-message-qslicersubjecthierarchyfolderplugin-canownsubjecthierarchyitem-input-item-is-invalid/33244)

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**Author:** [@emirdag\_radyoloji](https://discourse.slicer.org/u/emirdag_radyoloji)\
**Replies:** 3\
**Last updated:** [December 11, 2023, 1:05pm UTC](https://discourse.slicer.org/t/warning-message-qslicersubjecthierarchyfolderplugin-canownsubjecthierarchyitem-input-item-is-invalid/33244 "2023-12-11T13:05:09Z")

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\[Qt\] double \_\_cdecl qSlicerSubjectHierarchyFolderPlugin::canOwnSubjectHierarchyItem(\_\_int64) const : Input item is invalid \[VTK\] Warning: In vtkMRMLSubjectHierarchyNode.cxx, line 2110 \[VTK\] vtkMRMLSubjectHierarchyNode (0…

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## [I can't drag nodes into a folder in the subject hierarchy](https://discourse.slicer.org/t/i-cant-drag-nodes-into-a-folder-in-the-subject-hierarchy/33313)

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**Author:** [@jashrand](https://discourse.slicer.org/u/jashrand)\
**Replies:** 2\
**Last updated:** [December 11, 2023, 1:01pm UTC](https://discourse.slicer.org/t/i-cant-drag-nodes-into-a-folder-in-the-subject-hierarchy/33313 "2023-12-11T13:01:43Z")

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I’m sure this is a silly question, but I can’t click-and-drag nodes in the subject hierarchy to put them into a folder. I’m using a Macbook with a normal touchpad, no external mouse or anything. Every time I click and dr…

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## [Slicer shows white screen at startup](https://discourse.slicer.org/t/slicer-shows-white-screen-at-startup/33235)

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**Author:** [@Yangtting](https://discourse.slicer.org/u/Yangtting)\
**Replies:** 10\
**Last updated:** [December 11, 2023, 2:07am UTC](https://discourse.slicer.org/t/slicer-shows-white-screen-at-startup/33235 "2023-12-11T02:07:11Z")

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Dear Sir, I met the same problem, after I installed 3D Slicer 5.6.0 on my computer, it stays on white screen. Here are the specs of my computer: Operating system : windows 10 Processor : 13th Gen Intel(R) Core™ i9-139…

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## [Python script to automate rotation](https://discourse.slicer.org/t/python-script-to-automate-rotation/33275)

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**Author:** [@Michael\_Allen](https://discourse.slicer.org/u/Michael_Allen)\
**Replies:** 3\
**Last updated:** [December 10, 2023, 8:01pm UTC](https://discourse.slicer.org/t/python-script-to-automate-rotation/33275 "2023-12-10T20:01:18Z")

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Hi all, I’m working on a project creating radiographic views from CT scans, rotating one volume inside another using the repository script (https://github.com/Slicer/Slicer/blob/master/Base/Python/slicer/ScriptedLoadable…

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## [Export segmentation as DICOM](https://discourse.slicer.org/t/export-segmentation-as-dicom/33237)

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**Author:** [@Piergiorgio\_Gaudioso](https://discourse.slicer.org/u/Piergiorgio_Gaudioso)\
**Replies:** 5\
**Last updated:** [December 10, 2023, 7:46pm UTC](https://discourse.slicer.org/t/export-segmentation-as-dicom/33237 "2023-12-10T19:46:06Z")

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Operating system: macOS Slicer version: 3D Slicer 5.2.2 Expected behavior: I would like to export MRI and segmentation marged as a DICOM file

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## [Points in Surface Registration Module](https://discourse.slicer.org/t/points-in-surface-registration-module/33327)

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**Author:** [@AgnieszkaGalwas](https://discourse.slicer.org/u/AgnieszkaGalwas)\
**Replies:** 0\
**Last updated:** [December 10, 2023, 7:13am UTC](https://discourse.slicer.org/t/points-in-surface-registration-module/33327 "2023-12-10T07:13:29Z")

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How to mark the next point in Surface Registration Module ROI Registration?I can only determine one pair of points, I cannot determine another pair. How can this be done?

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## [Running Slicer in a web browser via Amazon AppStreams](https://discourse.slicer.org/t/running-slicer-in-a-web-browser-via-amazon-appstreams/21431)

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**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Replies:** 6\
**Last updated:** [December 10, 2023, 7:00am UTC](https://discourse.slicer.org/t/running-slicer-in-a-web-browser-via-amazon-appstreams/21431 "2023-12-10T07:00:33Z")

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At today’s MONAILabel workshop 100+ people could see how amazingly well Slicer works in a web browser using Amazon AppStream. For those who missed, here is a short demo: Questions are already coming in if …

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## [Textured model question](https://discourse.slicer.org/t/textured-model-question/33287)

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**Author:** [@agporto](https://discourse.slicer.org/u/agporto)\
**Replies:** 12\
**Last updated:** [December 10, 2023, 4:30am UTC](https://discourse.slicer.org/t/textured-model-question/33287 "2023-12-10T04:30:58Z")

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Let’s suppose I have a textured model and that I want to segment the model using color information to calculate area measurements (for simplicity, let’s say I want to calculate the area of a model that is the color red).…

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## [how to use nvidia AI?](https://discourse.slicer.org/t/how-to-use-nvidia-ai/33323)

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**Author:** [@hder](https://discourse.slicer.org/u/hder)\
**Replies:** 0\
**Last updated:** [December 10, 2023, 4:13am UTC](https://discourse.slicer.org/t/how-to-use-nvidia-ai/33323 "2023-12-10T04:13:31Z")

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why？？Failed to fetch models from remote server. Make sure server address is correct and \<server\_uri\>/v1/models is accessible in browser

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