# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=226

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

**Page:** 227

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## [How to apply the automatic volume rendering preset "US-Fetal" on 3D visualizations after segmentation?](https://discourse.slicer.org/t/how-to-apply-the-automatic-volume-rendering-preset-us-fetal-on-3d-visualizations-after-segmentation/23182)

<div class="topic-metadata">

**Author:** [@Martin\_E](https://discourse.slicer.org/u/Martin_E)\
**Replies:** 2\
**Last updated:** [April 28, 2022, 9:01pm UTC](https://discourse.slicer.org/t/how-to-apply-the-automatic-volume-rendering-preset-us-fetal-on-3d-visualizations-after-segmentation/23182 "2022-04-28T21:01:53Z")

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Hi everyone, I hope my question hasn’t already been asked but I haven’t found a solution. I’m currently working on µCT-scans and I’m using the 3D visualization to make illustrations from screenshots. Sometimes there ar…

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## [Previous turning on individual slice intersection not working](https://discourse.slicer.org/t/previous-turning-on-individual-slice-intersection-not-working/23183)

<div class="topic-metadata">

**Author:** [@jamesobutler](https://discourse.slicer.org/u/jamesobutler)\
**Replies:** 4\
**Last updated:** [April 28, 2022, 8:57pm UTC](https://discourse.slicer.org/t/previous-turning-on-individual-slice-intersection-not-working/23183 "2022-04-28T20:57:41Z")

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Using an older Slicer version 2021-09-14 I was able to turn on a single slice intersection with the following: slice\_widget = slicer.app.layoutManager().sliceWidget("Red") composite\_node = slice\_widget.sliceLogic().GetS…

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## [Load two or more volumes butonly one visible at a time](https://discourse.slicer.org/t/load-two-or-more-volumes-butonly-one-visible-at-a-time/23186)

<div class="topic-metadata">

**Author:** [@maxaerosat.co.za](https://discourse.slicer.org/u/maxaerosat.co.za)\
**Replies:** 1\
**Last updated:** [April 28, 2022, 7:53pm UTC](https://discourse.slicer.org/t/load-two-or-more-volumes-butonly-one-visible-at-a-time/23186 "2022-04-28T19:53:08Z")

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Using Fedora linux - Had to install Slicer on new computer from scratch (4.8) , other later versions have problems to run . things look fine . However if i load two or more volumes , only one show at a time even if bo…

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## [Saving dicom to dicom, the exported and input do not match](https://discourse.slicer.org/t/saving-dicom-to-dicom-the-exported-and-input-do-not-match/23173)

<div class="topic-metadata">

**Author:** [@S\_Arbabi](https://discourse.slicer.org/u/S_Arbabi)\
**Replies:** 9\
**Last updated:** [April 28, 2022, 6:46pm UTC](https://discourse.slicer.org/t/saving-dicom-to-dicom-the-exported-and-input-do-not-match/23173 "2022-04-28T18:46:44Z")

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I can’t understand this, can someone explain a bit? I open a dicom serie: then I right click on it and choose export to DICOM: and simply hitting export: what I expect is that the input and exported DICOM sh…

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## [Create mesh from binary image](https://discourse.slicer.org/t/create-mesh-from-binary-image/23179)

<div class="topic-metadata">

**Author:** [@Tutti](https://discourse.slicer.org/u/Tutti)\
**Replies:** 0\
**Last updated:** [April 28, 2022, 4:47pm UTC](https://discourse.slicer.org/t/create-mesh-from-binary-image/23179 "2022-04-28T16:47:07Z")

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Hello everyone, From an airway Dicom image (.hdr) with the background = 0, and airway = 255, I would like to create the mesh to perform simulation later from this image by Slicer3D. After reading some guidance, I used S…

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## [I want to achieve real-time positioning tracking and visualization of the scalpel, but I don't know how to track the position of the scalpel in real time and achieve visualization](https://discourse.slicer.org/t/i-want-to-achieve-real-time-positioning-tracking-and-visualization-of-the-scalpel-but-i-dont-know-how-to-track-the-position-of-the-scalpel-in-real-time-and-achieve-visualization/23132)

<div class="topic-metadata">

**Author:** [@wanghao1](https://discourse.slicer.org/u/wanghao1)\
**Replies:** 2\
**Last updated:** [April 28, 2022, 2:44am UTC](https://discourse.slicer.org/t/i-want-to-achieve-real-time-positioning-tracking-and-visualization-of-the-scalpel-but-i-dont-know-how-to-track-the-position-of-the-scalpel-in-real-time-and-achieve-visualization/23132 "2022-04-28T02:44:54Z")

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I want to achieve real-time positioning tracking and visualization of the scalpel, but I don’t know how to track the position of the scalpel in real time and achieve visualization

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## [Scene Loading Line and Node Error](https://discourse.slicer.org/t/scene-loading-line-and-node-error/23077)

<div class="topic-metadata">

**Author:** [@rlorenzoni](https://discourse.slicer.org/u/rlorenzoni)\
**Replies:** 2\
**Last updated:** [April 27, 2022, 4:38pm UTC](https://discourse.slicer.org/t/scene-loading-line-and-node-error/23077 "2022-04-27T16:38:30Z")

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Hello, I have run into the following issue rarely before. Because of this, I save important (read: time-consuming) segmentations two different ways once I finish. I saved the Scene and associated files (png, nrrd, etc…

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## [How to convert radiotherapy bolus structure to printable STL file?](https://discourse.slicer.org/t/how-to-convert-radiotherapy-bolus-structure-to-printable-stl-file/23153)

<div class="topic-metadata">

**Author:** [@Kharfi\_Faycal](https://discourse.slicer.org/u/Kharfi_Faycal)\
**Replies:** 0\
**Last updated:** [April 27, 2022, 3:05pm UTC](https://discourse.slicer.org/t/how-to-convert-radiotherapy-bolus-structure-to-printable-stl-file/23153 "2022-04-27T15:05:47Z")

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Operating system: Slicer version: Expected behavior: Actual behavior:

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## [Nightly build status dashboard](https://discourse.slicer.org/t/nightly-build-status-dashboard/23136)

<div class="topic-metadata">

**Author:** [@tbillah](https://discourse.slicer.org/u/tbillah)\
**Replies:** 3\
**Last updated:** [April 27, 2022, 12:00am UTC](https://discourse.slicer.org/t/nightly-build-status-dashboard/23136 "2022-04-27T00:00:39Z")

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Hi all, can I get the links to view nightly stable and preview build logs? I searched the home page a lot but couldn’t find any:

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## [ALPACA rigid transformation matrix not reporting as expected](https://discourse.slicer.org/t/alpaca-rigid-transformation-matrix-not-reporting-as-expected/23059)

<div class="topic-metadata">

**Author:** [@Erik.Meilak](https://discourse.slicer.org/u/Erik.Meilak)\
**Replies:** 1\
**Last updated:** [April 26, 2022, 9:48pm UTC](https://discourse.slicer.org/t/alpaca-rigid-transformation-matrix-not-reporting-as-expected/23059 "2022-04-26T21:48:57Z")

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Hello, I am using the Slicermorph module ALPACA to register one surface to another. It is important that I export and use the rigid transformation matrix that is written out during the “Run rigid alignment” process. If …

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## [Locking scroll across slicer windows - to scroll on multiple scans concurrently](https://discourse.slicer.org/t/locking-scroll-across-slicer-windows-to-scroll-on-multiple-scans-concurrently/23099)

<div class="topic-metadata">

**Author:** [@nuttay](https://discourse.slicer.org/u/nuttay)\
**Replies:** 5\
**Last updated:** [April 26, 2022, 5:48pm UTC](https://discourse.slicer.org/t/locking-scroll-across-slicer-windows-to-scroll-on-multiple-scans-concurrently/23099 "2022-04-26T17:48:41Z")

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Hi community. I have tried to search the forum but couldn’t find an answer for this. I have several axial (transversal) MRI scans of the same subject. I load the different scans (DICOM/NIFTI) in separate windows but I …

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## [Can anybody help me with segementing each teeth with dentin, pulp , pdl for both maxilla and mandible ? ](https://discourse.slicer.org/t/can-anybody-help-me-with-segementing-each-teeth-with-dentin-pulp-pdl-for-both-maxilla-and-mandible/23125)

<div class="topic-metadata">

**Author:** [@balakonvict](https://discourse.slicer.org/u/balakonvict)\
**Replies:** 1\
**Last updated:** [April 26, 2022, 2:18pm UTC](https://discourse.slicer.org/t/can-anybody-help-me-with-segementing-each-teeth-with-dentin-pulp-pdl-for-both-maxilla-and-mandible/23125 "2022-04-26T14:18:23Z")

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my aim is to obtain 3d model like this … can anybody help me with this? i have no knowledge about this, and i dont find any tutorial for these segmentation? i am planning it to obtian 3d model of maxilla and mandible w…

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## [Registration for segmentation ](https://discourse.slicer.org/t/registration-for-segmentation/23127)

<div class="topic-metadata">

**Author:** [@besho098](https://discourse.slicer.org/u/besho098)\
**Replies:** 0\
**Last updated:** [April 26, 2022, 12:24pm UTC](https://discourse.slicer.org/t/registration-for-segmentation/23127 "2022-04-26T12:24:42Z")

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Hi, I am pretty new to 3Dslicer, I have 2 CT scans, I’ve done the segmentation for the first image and I want to transfer it to the second image, can anyone help me which is the best way to do that?

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## [Create/draw line markup from scripted module](https://discourse.slicer.org/t/create-draw-line-markup-from-scripted-module/23113)

<div class="topic-metadata">

**Author:** [@llafitte007](https://discourse.slicer.org/u/llafitte007)\
**Replies:** 2\
**Last updated:** [April 26, 2022, 8:41am UTC](https://discourse.slicer.org/t/create-draw-line-markup-from-scripted-module/23113 "2022-04-26T08:41:00Z")

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Hello Slicer Community, I’m new to the Slicer world so I apologize in advance if I make any mistakes. I am creating a small module that allows you to manage needles on images (import, visual control, modification, expo…

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## [Display the shape of the bone surface within closed line](https://discourse.slicer.org/t/display-the-shape-of-the-bone-surface-within-closed-line/23100)

<div class="topic-metadata">

**Author:** [@zhiyuan](https://discourse.slicer.org/u/zhiyuan)\
**Replies:** 5\
**Last updated:** [April 25, 2022, 12:29pm UTC](https://discourse.slicer.org/t/display-the-shape-of-the-bone-surface-within-closed-line/23100 "2022-04-25T12:29:17Z")

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I would like to ask if slicer has such a function that I draw a closed line on the segmented bone model, and then only display the shape of the bone surface within the closed line

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## [Elastix registration and a segmentation created with Segment Editor](https://discourse.slicer.org/t/elastix-registration-and-a-segmentation-created-with-segment-editor/23116)

<div class="topic-metadata">

**Author:** [@Gonzalo\_Rojas\_Costa](https://discourse.slicer.org/u/Gonzalo_Rojas_Costa)\
**Replies:** 1\
**Last updated:** [April 25, 2022, 7:27pm UTC](https://discourse.slicer.org/t/elastix-registration-and-a-segmentation-created-with-segment-editor/23116 "2022-04-25T19:27:03Z")

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Hi: I co-registered between two FLAIR MRIs of the same patient using “General Registration (elastix)”. I want to apply the obtained transformation to a segmentation made with the Segment Editor based on one of the two i…

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## [PlusToolkit compatible with GE Ultrasound](https://discourse.slicer.org/t/plustoolkit-compatible-with-ge-ultrasound/23085)

<div class="topic-metadata">

**Author:** [@J.vd.Zee](https://discourse.slicer.org/u/J.vd.Zee)\
**Replies:** 3\
**Last updated:** [April 25, 2022, 12:25pm UTC](https://discourse.slicer.org/t/plustoolkit-compatible-with-ge-ultrasound/23085 "2022-04-25T12:25:00Z")

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Dear all, Anyone with experience in connecting a General Electric Ultrasound device to the Plus Server? The devices of GE are not in the list of compatible hardware. Thanks in advance!

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## [Color and opacity rendered volumes](https://discourse.slicer.org/t/color-and-opacity-rendered-volumes/23107)

<div class="topic-metadata">

**Author:** [@aritche](https://discourse.slicer.org/u/aritche)\
**Replies:** 3\
**Last updated:** [April 25, 2022, 11:45am UTC](https://discourse.slicer.org/t/color-and-opacity-rendered-volumes/23107 "2022-04-25T11:45:12Z")

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Hi, I am trying to render a 3D MRI scan and 3D segmentation of the Fornix. These are both stored as nifti files, so I am able to open them and use the ‘Volume Rendering’ module to display them in the 3D view. I want to…

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## [Export heart motion to CFD/FSI](https://discourse.slicer.org/t/export-heart-motion-to-cfd-fsi/22913)

<div class="topic-metadata">

**Author:** [@Gening\_Dong](https://discourse.slicer.org/u/Gening_Dong)\
**Replies:** 19\
**Last updated:** [April 25, 2022, 4:30am UTC](https://discourse.slicer.org/t/export-heart-motion-to-cfd-fsi/22913 "2022-04-25T04:30:17Z")

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Hello, I have a really similar question to this. I want to get the coordinates of the segmented heart’s surface. I used the Sequence Registration and the module Transform to transform a model generated by the module Seg…

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## [Installing open3d is giving an error](https://discourse.slicer.org/t/installing-open3d-is-giving-an-error/17978)

<div class="topic-metadata">

**Author:** [@bcolbert](https://discourse.slicer.org/u/bcolbert)\
**Replies:** 9\
**Last updated:** [April 25, 2022, 1:04am UTC](https://discourse.slicer.org/t/installing-open3d-is-giving-an-error/17978 "2022-04-25T01:04:29Z")

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I am attempting to use ALPACA. When using this tool for the first time I am prompted that open3D will be installed. I allow it do do this but then I get a series of errors which are beyond my ability to troubleshoot. Any…

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## [Question in general registration(BRAINS)](https://discourse.slicer.org/t/question-in-general-registration-brains/23106)

<div class="topic-metadata">

**Author:** [@Rui\_Zhuang](https://discourse.slicer.org/u/Rui_Zhuang)\
**Replies:** 1\
**Last updated:** [April 24, 2022, 7:54pm UTC](https://discourse.slicer.org/t/question-in-general-registration-brains/23106 "2022-04-24T19:54:35Z")

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when I use general registration(BRAINS) to compare two ct volume, in the fixed image volume and moving image volume is the same ct volume. However, I have imported the two CT volumes, the Beforeopration and the Afteropra…

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## [OCT .fds image in 3D slicer?](https://discourse.slicer.org/t/oct-fds-image-in-3d-slicer/18219)

<div class="topic-metadata">

**Author:** [@Daiana\_P](https://discourse.slicer.org/u/Daiana_P)\
**Replies:** 12\
**Last updated:** [April 24, 2022, 7:29pm UTC](https://discourse.slicer.org/t/oct-fds-image-in-3d-slicer/18219 "2022-04-24T19:29:02Z")

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Wondering if I can load OCT .fds files into 3D slicer. Otherwise I can get .png files but how can i stack them?

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## [Where should I download vtk, qt, and ctk from?](https://discourse.slicer.org/t/where-should-i-download-vtk-qt-and-ctk-from/12335)

<div class="topic-metadata">

**Author:** [@vertebra](https://discourse.slicer.org/u/vertebra)\
**Replies:** 5\
**Last updated:** [April 24, 2022, 3:01pm UTC](https://discourse.slicer.org/t/where-should-i-download-vtk-qt-and-ctk-from/12335 "2022-04-24T15:01:59Z")

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In my python module, where should I download vtk, qt, and ctk from? Thanks. Also, it’s a great honor to receive new user of the month. Thank you, thank you.

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## [3D slicer accurate heart chambers segmentation](https://discourse.slicer.org/t/3d-slicer-accurate-heart-chambers-segmentation/23088)

<div class="topic-metadata">

**Author:** [@Qazi](https://discourse.slicer.org/u/Qazi)\
**Replies:** 4\
**Last updated:** [April 24, 2022, 2:12pm UTC](https://discourse.slicer.org/t/3d-slicer-accurate-heart-chambers-segmentation/23088 "2022-04-24T14:12:16Z")

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Hi I need to segment atria and ventricles, their lumen, walls reasonably accurately so as to measure their volumes subsequently. I used paint tool and then" segment statistics" to do this. but doing segmentation for eac…

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## [Interpolator pyradiomics](https://discourse.slicer.org/t/interpolator-pyradiomics/23102)

<div class="topic-metadata">

**Author:** [@Hanne1234](https://discourse.slicer.org/u/Hanne1234)\
**Replies:** 0\
**Last updated:** [April 24, 2022, 10:26am UTC](https://discourse.slicer.org/t/interpolator-pyradiomics/23102 "2022-04-24T10:26:32Z")

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Hi, the interpolator is automatically set on ‘sitkBSpline’. I was wondering if you can perform a different interpolation for example trilinear, and how you should determine which interpolator to use. I hope somebody can…

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## [Slicer is not starting after installing itk-vtkglue on Last Stable Release](https://discourse.slicer.org/t/slicer-is-not-starting-after-installing-itk-vtkglue-on-last-stable-release/17597)

<div class="topic-metadata">

**Author:** [@Guglielmo\_Baccani](https://discourse.slicer.org/u/Guglielmo_Baccani)\
**Replies:** 3\
**Last updated:** [April 24, 2022, 5:48am UTC](https://discourse.slicer.org/t/slicer-is-not-starting-after-installing-itk-vtkglue-on-last-stable-release/17597 "2022-04-24T05:48:05Z")

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Dear slicer, I would like to install “itk-vtkglue” to convert a vtk image to an itk image. My ultimate goal would be to use the MultiScaleHessianBasedMeasureImageFilter class to detect plate-like shapes inside my python…

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## [How to import the image dicom with segmentation in 3d slicer](https://discourse.slicer.org/t/how-to-import-the-image-dicom-with-segmentation-in-3d-slicer/23091)

<div class="topic-metadata">

**Author:** [@akmal871026](https://discourse.slicer.org/u/akmal871026)\
**Replies:** 7\
**Last updated:** [April 24, 2022, 4:22am UTC](https://discourse.slicer.org/t/how-to-import-the-image-dicom-with-segmentation-in-3d-slicer/23091 "2022-04-24T04:22:09Z")

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Dear Sir, I have 100 slice image dicom. I did the lesion segmentation using MATLAB. Then, how to import my images with my segmentation in 3D Slicer?

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## [Reading Matlab mat file into 3D Slicer](https://discourse.slicer.org/t/reading-matlab-mat-file-into-3d-slicer/1987)

<div class="topic-metadata">

**Author:** [@marasov](https://discourse.slicer.org/u/marasov)\
**Replies:** 5\
**Last updated:** [April 24, 2022, 3:51am UTC](https://discourse.slicer.org/t/reading-matlab-mat-file-into-3d-slicer/1987 "2022-04-24T03:51:51Z")

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Hello! I made several X-ray images of a metal ball of different density from different angles. Then I applied CBCT reconstruction to them and got a \*.mat file. 3D Cone beam CT (CBCT) projection backprojection FDK, ite…

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## ['Drag and Drop' feature for adding modules to 'favourites' isn't working](https://discourse.slicer.org/t/drag-and-drop-feature-for-adding-modules-to-favourites-isnt-working/16118)

<div class="topic-metadata">

**Author:** [@\_duke](https://discourse.slicer.org/u/_duke)\
**Replies:** 5\
**Last updated:** [April 23, 2022, 5:49am UTC](https://discourse.slicer.org/t/drag-and-drop-feature-for-adding-modules-to-favourites-isnt-working/16118 "2022-04-23T05:49:18Z")

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I am using the latest version of 3D slicer (4.11.20200930) on a MacOs. The ‘drag and drop’ feature for adding modules to ‘favourites’ isn’t working. I tried looking for any possible changes in settings and also went thro…

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## [How to use Resample Scalar/Vector/DWI Volume](https://discourse.slicer.org/t/how-to-use-resample-scalar-vector-dwi-volume/23090)

<div class="topic-metadata">

**Author:** [@koeglfryderyk](https://discourse.slicer.org/u/koeglfryderyk)\
**Replies:** 1\
**Last updated:** [April 23, 2022, 5:28am UTC](https://discourse.slicer.org/t/how-to-use-resample-scalar-vector-dwi-volume/23090 "2022-04-23T05:28:19Z")

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I’m trying to resample a volume with the “Resample Scalar/Vector/DWI Volume” module. However, the output is cropped, so I must be doing something wrong. The only three things that I’m changing are ‘Input volume,’ ‘Outp…

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