# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=118

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

**Page:** 119

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## [Segmenting the root canal space of the tooth](https://discourse.slicer.org/t/segmenting-the-root-canal-space-of-the-tooth/33737)

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**Author:** [@Meso\_Mazen](https://discourse.slicer.org/u/Meso_Mazen)\
**Replies:** 5\
**Last updated:** [January 21, 2024, 9:57pm UTC](https://discourse.slicer.org/t/segmenting-the-root-canal-space-of-the-tooth/33737 "2024-01-21T21:57:23Z")

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Operating system: Windows Slicer version: 5.6.1 Expected behavior: segmenting and displaying the root canal space. Actual behavior: Segmenting the outline of the tooth as a whole.

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## [How to start with monailabel for new models](https://discourse.slicer.org/t/how-to-start-with-monailabel-for-new-models/21063)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 132\
**Last updated:** [January 17, 2024, 9:35am UTC](https://discourse.slicer.org/t/how-to-start-with-monailabel-for-new-models/21063 "2024-01-17T09:35:03Z")

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We would like to use monaiLabel to generate/refine existing segmentation of fetal mice. Given that there is no pre-existing model to do that, how does one go about this. We have about 20 or so already segmented scans. A…

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## [Decimal places in input fields](https://discourse.slicer.org/t/decimal-places-in-input-fields/33880)

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**Author:** [@Hamburgerfinger](https://discourse.slicer.org/u/Hamburgerfinger)\
**Replies:** 4\
**Last updated:** [January 20, 2024, 5:25pm UTC](https://discourse.slicer.org/t/decimal-places-in-input-fields/33880 "2024-01-20T17:25:44Z")

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Can I increase the precision of input fields in Slicer? For example, say I want to rescale an image using the ShiftScaleImageFilter (Simple Filters module), and my scale factor needs to be small - say it is 0.0002311… …

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## [How to convert .dcm to .dbs](https://discourse.slicer.org/t/how-to-convert-dcm-to-dbs/33883)

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**Author:** [@livestrong](https://discourse.slicer.org/u/livestrong)\
**Replies:** 0\
**Last updated:** [January 20, 2024, 1:17pm UTC](https://discourse.slicer.org/t/how-to-convert-dcm-to-dbs/33883 "2024-01-20T13:17:16Z")

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Hello, I have several ultrasound images in dicom format (.dcm) that were exported from a GE Vivid i (in dicom format) but were not analyzed in the GE and then deleted from the system. In order for me to analyze the image…

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## [PET Standard Uptake Value Computation](https://discourse.slicer.org/t/pet-standard-uptake-value-computation/7491)

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**Author:** [@qimo601](https://discourse.slicer.org/u/qimo601)\
**Replies:** 10\
**Last updated:** [January 20, 2024, 1:56am UTC](https://discourse.slicer.org/t/pet-standard-uptake-value-computation/7491 "2024-01-20T01:56:18Z")

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Hi,everyone. I have a question about the calculation formulas of SUV for PET, when i use the moudle " PETStandardUptakeValueComputation" and extension “PET DICOM” As we know, the Suv formula is as follows But I don’…

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## [Bone Thickness Mapping use with skull CT images](https://discourse.slicer.org/t/bone-thickness-mapping-use-with-skull-ct-images/32463)

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**Author:** [@Gonzalo\_Rojas\_Costa](https://discourse.slicer.org/u/Gonzalo_Rojas_Costa)\
**Replies:** 6\
**Last updated:** [January 19, 2024, 10:37pm UTC](https://discourse.slicer.org/t/bone-thickness-mapping-use-with-skull-ct-images/32463 "2024-01-19T22:37:53Z")

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Hi: I want to obtain the bone thickness using skull CT images. Do skull CT images need to have any specific characteristics in order to use the BoneThicknessMapping extension? Sincerely Gonzalo Rojas Costa

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## [Display model with scalars](https://discourse.slicer.org/t/display-model-with-scalars/7839)

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**Author:** [@Hamburgerfinger](https://discourse.slicer.org/u/Hamburgerfinger)\
**Replies:** 9\
**Last updated:** [January 19, 2024, 9:29pm UTC](https://discourse.slicer.org/t/display-model-with-scalars/7839 "2024-01-19T21:29:24Z")

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I have a model created with Slicer’s ‘Probe volume with model’. I can display the scalars, and edit the color table, etc., but I can only edit the scalar range up to the maximum (but not exceeding it). I want to make t…

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## [Cropping existing volume with ROI and shifting display via Python scripting](https://discourse.slicer.org/t/cropping-existing-volume-with-roi-and-shifting-display-via-python-scripting/33856)

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**Author:** [@paleomariomm](https://discourse.slicer.org/u/paleomariomm)\
**Replies:** 4\
**Last updated:** [January 19, 2024, 5:37pm UTC](https://discourse.slicer.org/t/cropping-existing-volume-with-roi-and-shifting-display-via-python-scripting/33856 "2024-01-19T17:37:04Z")

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Hi community. I am writing a Python script to automate a pipeline that will be used in around 1000 CT scans. Now I am able to load 1 DICOM folder and to display Volume rendering with Python # Load DICOM files # https…

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## [How, from python-scritps, to trigger the click-function of "center of the 3D view on the scene"?](https://discourse.slicer.org/t/how-from-python-scritps-to-trigger-the-click-function-of-center-of-the-3d-view-on-the-scene/8181)

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**Author:** [@aiden.zhu](https://discourse.slicer.org/u/aiden.zhu)\
**Replies:** 13\
**Last updated:** [January 19, 2024, 4:52pm UTC](https://discourse.slicer.org/t/how-from-python-scritps-to-trigger-the-click-function-of-center-of-the-3d-view-on-the-scene/8181 "2024-01-19T16:52:59Z")

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Hi all, I am lazy to try to click on the “Center of the 3D view on the scene” each time after I have a 3D-view there. So based on python codes, how to trigger the click-function to get “Center of the 3D view on the scen…

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## [Vector to scalar volume grayed out](https://discourse.slicer.org/t/vector-to-scalar-volume-grayed-out/33832)

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**Author:** [@Andreas\_Vossinakis](https://discourse.slicer.org/u/Andreas_Vossinakis)\
**Replies:** 7\
**Last updated:** [January 19, 2024, 4:14pm UTC](https://discourse.slicer.org/t/vector-to-scalar-volume-grayed-out/33832 "2024-01-19T16:14:06Z")

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Hi, I load the images in a volume but when I try to convert this volume to a scalar volume, the ‘input vector volume’ dropdown menu is grayed and I can’t choose the volume I work on. Please help

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## [Outer surface segmentation of breast MRI image](https://discourse.slicer.org/t/outer-surface-segmentation-of-breast-mri-image/33817)

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**Author:** [@Miri\_Trope](https://discourse.slicer.org/u/Miri_Trope)\
**Replies:** 3\
**Last updated:** [January 19, 2024, 1:19pm UTC](https://discourse.slicer.org/t/outer-surface-segmentation-of-breast-mri-image/33817 "2024-01-19T13:19:35Z")

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Hello everyone, apologies if this question has been asked frequently. I’m a newcomer to Slicer and seeking guidance on extracting the outer surface (skin) to obtain a smoothed mesh, particularly for a breast MRI scan. I’…

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## [Closed body surface](https://discourse.slicer.org/t/closed-body-surface/33867)

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**Author:** [@Miri\_Trope](https://discourse.slicer.org/u/Miri_Trope)\
**Replies:** 1\
**Last updated:** [January 19, 2024, 12:27pm UTC](https://discourse.slicer.org/t/closed-body-surface/33867 "2024-01-19T12:27:19Z")

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Hello, I tried creating a visually appealing closed surface representation of the body using an MRI image of the breast. I utilized SimpleITK and implemented a custom algorithm. Unfortunately, I observed that the resulti…

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## [Slicer models and FEA solidworks. How?](https://discourse.slicer.org/t/slicer-models-and-fea-solidworks-how/33869)

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**Author:** [@Gonzalo\_Rojas\_Costa](https://discourse.slicer.org/u/Gonzalo_Rojas_Costa)\
**Replies:** 0\
**Last updated:** [January 19, 2024, 11:39am UTC](https://discourse.slicer.org/t/slicer-models-and-fea-solidworks-how/33869 "2024-01-19T11:39:39Z")

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I have a skull model generated with 3D Slicer using CT images. How can use that STL file in solidworks? I read some posts in this forum, but I couldn’t got results. Sincerely Gonzalo Rojas Costa

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## [Slicing 3D MRI to 2D](https://discourse.slicer.org/t/slicing-3d-mri-to-2d/33862)

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**Author:** [@Abdul](https://discourse.slicer.org/u/Abdul)\
**Replies:** 0\
**Last updated:** [January 19, 2024, 2:57am UTC](https://discourse.slicer.org/t/slicing-3d-mri-to-2d/33862 "2024-01-19T02:57:57Z")

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Dear all, please I need guidance on slicing from 3D to 2D of brain and cardiac MRI. “The Cardiac MR images are acquired from 33 subjects. Each subject’s sequence consists of 20 frames and 8-15 slices along the long axis…

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## [Line Width for a centerline model has no effect in the Slice Display section](https://discourse.slicer.org/t/line-width-for-a-centerline-model-has-no-effect-in-the-slice-display-section/20572)

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**Author:** [@torquil](https://discourse.slicer.org/u/torquil)\
**Replies:** 1\
**Last updated:** [January 18, 2024, 10:12pm UTC](https://discourse.slicer.org/t/line-width-for-a-centerline-model-has-no-effect-in-the-slice-display-section/20572 "2024-01-18T22:12:38Z")

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I have used the Extract Centerline module to generate a model. I would like to increase its thickness when showing it in the 2d slice view, but when go to its properties, and select Display - Slice Display, the setting f…

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## [How to highlight lung in viewer?](https://discourse.slicer.org/t/how-to-highlight-lung-in-viewer/33859)

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**Author:** [@cy787](https://discourse.slicer.org/u/cy787)\
**Replies:** 1\
**Last updated:** [January 18, 2024, 8:26pm UTC](https://discourse.slicer.org/t/how-to-highlight-lung-in-viewer/33859 "2024-01-18T20:26:09Z")

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Hi all, Do you know how to highlight the lung? I was able to find some sort of preset setting that I really liked on the left panel, but I haven’t been able to find it since. Thanks!

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## [Inquiry About 3D Volume Planar Reformating Using 3D Surfaces in 3D Slicer](https://discourse.slicer.org/t/inquiry-about-3d-volume-planar-reformating-using-3d-surfaces-in-3d-slicer/33802)

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**Author:** [@fmarcano](https://discourse.slicer.org/u/fmarcano)\
**Replies:** 4\
**Last updated:** [January 18, 2024, 4:09pm UTC](https://discourse.slicer.org/t/inquiry-about-3d-volume-planar-reformating-using-3d-surfaces-in-3d-slicer/33802 "2024-01-18T16:09:40Z")

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I am exploring the capabilities of 3D Slicer for medical imaging visualization and analysis, and I have a specific question regarding 3D volume planar reformating functionalities. I understand that 3D Slicer allows for t…

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## [Loading Chinese in Slicer causes crash on startup](https://discourse.slicer.org/t/loading-chinese-in-slicer-causes-crash-on-startup/33854)

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**Author:** [@chen-hongbo](https://discourse.slicer.org/u/chen-hongbo)\
**Replies:** 1\
**Last updated:** [January 18, 2024, 2:45pm UTC](https://discourse.slicer.org/t/loading-chinese-in-slicer-causes-crash-on-startup/33854 "2024-01-18T14:45:44Z")

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Using Language Tool to load Chinese, starting Slicer results in a crash. However, if Japanese is loaded, the startup is normal.

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## [Automating the process of getting surface models from 1000 CTs](https://discourse.slicer.org/t/automating-the-process-of-getting-surface-models-from-1000-cts/33831)

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**Author:** [@paleomariomm](https://discourse.slicer.org/u/paleomariomm)\
**Replies:** 4\
**Last updated:** [January 18, 2024, 12:34pm UTC](https://discourse.slicer.org/t/automating-the-process-of-getting-surface-models-from-1000-cts/33831 "2024-01-18T12:34:21Z")

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Dear community. We have 1000 baboon scans in DICOM files. In our research, we thought and tested a pipeline to work with each of them. First, we need to crop the volume as all of them show a platform placed centimete…

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## [VMTK automatic centerline and export control points as XYZ coordinates](https://discourse.slicer.org/t/vmtk-automatic-centerline-and-export-control-points-as-xyz-coordinates/33841)

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**Author:** [@RD\_morph](https://discourse.slicer.org/u/RD_morph)\
**Replies:** 0\
**Last updated:** [January 17, 2024, 7:52pm UTC](https://discourse.slicer.org/t/vmtk-automatic-centerline-and-export-control-points-as-xyz-coordinates/33841 "2024-01-17T19:52:06Z")

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Operating system: Windows 10 Slicer version: 5.6.1 Expected behavior: Use the ExtractCenterline.py code to automatically generate centerlines for existing models and export XYZ control points of centerlines Actual beh…

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## [Rotational Ultrasound](https://discourse.slicer.org/t/rotational-ultrasound/30703)

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**Author:** [@shabopbop](https://discourse.slicer.org/u/shabopbop)\
**Replies:** 19\
**Last updated:** [January 17, 2024, 5:20pm UTC](https://discourse.slicer.org/t/rotational-ultrasound/30703 "2024-01-17T17:20:15Z")

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Hey all, I am pretty new to 3D slicer, so I apologize if someone has answered my question before. Essentially, I have taken a rotational ultrasound around a fixed point and I am trying to recreated a 3D model based on th…

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## [Using "Islands" tool from Segment Editor in 2D](https://discourse.slicer.org/t/using-islands-tool-from-segment-editor-in-2d/33830)

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**Author:** [@robertorojasp06](https://discourse.slicer.org/u/robertorojasp06)\
**Replies:** 1\
**Last updated:** [January 17, 2024, 4:32pm UTC](https://discourse.slicer.org/t/using-islands-tool-from-segment-editor-in-2d/33830 "2024-01-17T16:32:56Z")

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Islands tool is currently available for 3D. I mean, “islands” are computed as connected components in 3D. Is it possible to set “islands” as connected components in 2D?

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## [How to Split a fractured bone into different parts for surgical planning?](https://discourse.slicer.org/t/how-to-split-a-fractured-bone-into-different-parts-for-surgical-planning/33833)

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**Author:** [@Catherine\_Abraham](https://discourse.slicer.org/u/Catherine_Abraham)\
**Replies:** 1\
**Last updated:** [January 17, 2024, 4:29pm UTC](https://discourse.slicer.org/t/how-to-split-a-fractured-bone-into-different-parts-for-surgical-planning/33833 "2024-01-17T16:29:23Z")

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Hi, I have a database of bone fracture DICOM images that I am using to create a surgical simulation for bone reduction surgery. As part of this, I want to create a 3D model of the bone, and have the bone in two parts, s…

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## [Create a point based on the distance of different models](https://discourse.slicer.org/t/create-a-point-based-on-the-distance-of-different-models/33829)

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**Author:** [@GustavoMariaMD](https://discourse.slicer.org/u/GustavoMariaMD)\
**Replies:** 0\
**Last updated:** [January 17, 2024, 4:19pm UTC](https://discourse.slicer.org/t/create-a-point-based-on-the-distance-of-different-models/33829 "2024-01-17T16:19:15Z")

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I know this is a very specific topic, but I have 3 different models (or segments) and I want to create a point in a surface (or mesh) that is X% distant from model A, Y% distant from model B and Z% distant from model C, …

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## [How to save a file in. seq.nrrd format？](https://discourse.slicer.org/t/how-to-save-a-file-in-seq-nrrd-format/33826)

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**Author:** [@Nancy](https://discourse.slicer.org/u/Nancy)\
**Replies:** 0\
**Last updated:** [January 17, 2024, 4:19pm UTC](https://discourse.slicer.org/t/how-to-save-a-file-in-seq-nrrd-format/33826 "2024-01-17T16:19:02Z")

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Operating system: Slicer version:5.4.0 Expected behavior: Actual behavior:When saving the outlined 2D ultrasound image, it is not possible to save the file in. seq.nrrd format. I am not sure where the problem lies. Pl…

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## [Change module event](https://discourse.slicer.org/t/change-module-event/33790)

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**Author:** [@park](https://discourse.slicer.org/u/park)\
**Replies:** 1\
**Last updated:** [January 16, 2024, 9:02pm UTC](https://discourse.slicer.org/t/change-module-event/33790 "2024-01-16T21:02:54Z")

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Hi all I would like to make some function which operates when the module is changed. (I don’t want to use .slicerrc.py) Could you give me some tips to implement this ?

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## [Radiomics module not working?](https://discourse.slicer.org/t/radiomics-module-not-working/33382)

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**Author:** [@ogdenk](https://discourse.slicer.org/u/ogdenk)\
**Replies:** 15\
**Last updated:** [January 15, 2024, 8:42pm UTC](https://discourse.slicer.org/t/radiomics-module-not-working/33382 "2024-01-15T20:42:13Z")

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I have been using the Radiomics module for several years now and it has worked properly. The latest version for which it still works for me is 5.4.0. In newer versions it does not work, the output is blank. I have not…

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## [Batch import model as segmentation?](https://discourse.slicer.org/t/batch-import-model-as-segmentation/33769)

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**Author:** [@dantaylor](https://discourse.slicer.org/u/dantaylor)\
**Replies:** 8\
**Last updated:** [January 15, 2024, 5:32pm UTC](https://discourse.slicer.org/t/batch-import-model-as-segmentation/33769 "2024-01-15T17:32:06Z")

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I have an array made up of hundreds of individual .STL files that I’d want to import into a CT volume in order to query HU values in specific regions. I can drag/drop the array into 3D Slicer, then the popup menu asks …

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## [Difficulty with TotalSegmentator update ](https://discourse.slicer.org/t/difficulty-with-totalsegmentator-update/33784)

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**Author:** [@siamk](https://discourse.slicer.org/u/siamk)\
**Replies:** 1\
**Last updated:** [January 15, 2024, 4:50pm UTC](https://discourse.slicer.org/t/difficulty-with-totalsegmentator-update/33784 "2024-01-15T16:50:45Z")

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Dear 3D slicer community, I would like to perform automatic segmentation of long bones (ulna, radius, humerus, femur, tibia and fibula) with the TotalSegmentator update. However, despite having installed slicer 5.6.1 an…

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## [Labelmap volume visibility toggle in Python](https://discourse.slicer.org/t/labelmap-volume-visibility-toggle-in-python/33783)

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**Author:** [@Djennifer](https://discourse.slicer.org/u/Djennifer)\
**Replies:** 1\
**Last updated:** [January 15, 2024, 4:37pm UTC](https://discourse.slicer.org/t/labelmap-volume-visibility-toggle-in-python/33783 "2024-01-15T16:37:33Z")

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I’d like to be able to toggle a labelmap volume in the slicer viewer. I thought it would work the same like with a segmentation. laNode = slicer.util.getNodesByClass("vtkMRMLLabelMapVolumeNode")\[0\] laNode.GetDisplayNode…

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