# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=113

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

**Page:** 114

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## [Event for Scaling Interaction to modify Bounds of MarkupsPlaneNode?](https://discourse.slicer.org/t/event-for-scaling-interaction-to-modify-bounds-of-markupsplanenode/34345)

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**Author:** [@Juergen](https://discourse.slicer.org/u/Juergen)\
**Replies:** 0\
**Last updated:** [February 15, 2024, 5:14pm UTC](https://discourse.slicer.org/t/event-for-scaling-interaction-to-modify-bounds-of-markupsplanenode/34345 "2024-02-15T17:14:47Z")

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Hello, I’ve been experimenting with vtkMRMLMarkupsPlaneNode.PointModifiedEvent to control the dimensions of another object, in this case an elliptical cylinder. The idea is to put the plane of the MarkupsPlane along …

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## [Creating a 3d printable model of lung airways using CT data](https://discourse.slicer.org/t/creating-a-3d-printable-model-of-lung-airways-using-ct-data/9675)

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**Author:** [@Shahid\_Khan](https://discourse.slicer.org/u/Shahid_Khan)\
**Replies:** 25\
**Last updated:** [February 15, 2024, 12:08pm UTC](https://discourse.slicer.org/t/creating-a-3d-printable-model-of-lung-airways-using-ct-data/9675 "2024-02-15T12:08:56Z")

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Hey. I am currently trying to make a 3d printable model of the human bronchial airway using CT data. If anyone can tell me the process for it? Thanks in advance.

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## [Curved Planar Reformat](https://discourse.slicer.org/t/curved-planar-reformat/34325)

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**Author:** [@Nitikorn\_Kowwattanaw](https://discourse.slicer.org/u/Nitikorn_Kowwattanaw)\
**Replies:** 2\
**Last updated:** [February 15, 2024, 8:24am UTC](https://discourse.slicer.org/t/curved-planar-reformat/34325 "2024-02-15T08:24:40Z")

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Just wondering is there a way to map centerline and segmentation that were use to create the CMPR onto itself.

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## [Issue with Volume Cropping](https://discourse.slicer.org/t/issue-with-volume-cropping/34335)

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**Author:** [@joseph00](https://discourse.slicer.org/u/joseph00)\
**Replies:** 3\
**Last updated:** [February 15, 2024, 7:09am UTC](https://discourse.slicer.org/t/issue-with-volume-cropping/34335 "2024-02-15T07:09:45Z")

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Hello everyone, I am encountering an issue with the volume cropping functionality in 3D Slicer and would greatly appreciate any assistance or guidance you could provide. When attempting to perform a volume crop Volume …

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## [How can I reshape a nrrd segmentation file to a reference volume shape?](https://discourse.slicer.org/t/how-can-i-reshape-a-nrrd-segmentation-file-to-a-reference-volume-shape/34276)

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**Author:** [@binigoromillo](https://discourse.slicer.org/u/binigoromillo)\
**Replies:** 9\
**Last updated:** [February 14, 2024, 8:38pm UTC](https://discourse.slicer.org/t/how-can-i-reshape-a-nrrd-segmentation-file-to-a-reference-volume-shape/34276 "2024-02-14T20:38:25Z")

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Hi everyone! I have a big dataset that includes nifti files and their corresponding nrrd segmentation files. Most of the segmentations were exported with an older version of Slicer and without selecting a reference volum…

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## [PET lymph node automated segmentation ](https://discourse.slicer.org/t/pet-lymph-node-automated-segmentation/34329)

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**Author:** [@kjmkjw](https://discourse.slicer.org/u/kjmkjw)\
**Replies:** 1\
**Last updated:** [February 14, 2024, 6:15pm UTC](https://discourse.slicer.org/t/pet-lymph-node-automated-segmentation/34329 "2024-02-14T18:15:18Z")

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Hi, I’m new to 3D Slicer. I am hoping to segment metabolically active lymph nodes using the SUV threshold. If I use Threshold tool on Segment Editor, and set the Threshold range and Apply, it would segment everything …

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## [Quantification, segmentation and Analyses of Aortic Valve Annulus and Leaflets using heart CT scans](https://discourse.slicer.org/t/quantification-segmentation-and-analyses-of-aortic-valve-annulus-and-leaflets-using-heart-ct-scans/34330)

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**Author:** [@Arash](https://discourse.slicer.org/u/Arash)\
**Replies:** 0\
**Last updated:** [February 14, 2024, 4:24pm UTC](https://discourse.slicer.org/t/quantification-segmentation-and-analyses-of-aortic-valve-annulus-and-leaflets-using-heart-ct-scans/34330 "2024-02-14T16:24:12Z")

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Dear all, I am new here and rally glad of getting to know this valuable software and the great community. I need your kind insightful advice in order to learn what are the best practices to measure the sizes, and segmen…

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## [Error given when trying to screen capture a binary label map](https://discourse.slicer.org/t/error-given-when-trying-to-screen-capture-a-binary-label-map/34326)

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**Author:** [@M\_finlayson](https://discourse.slicer.org/u/M_finlayson)\
**Replies:** 1\
**Last updated:** [February 14, 2024, 2:42pm UTC](https://discourse.slicer.org/t/error-given-when-trying-to-screen-capture-a-binary-label-map/34326 "2024-02-14T14:42:19Z")

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I am trying to create an image stack of a binary label map, I have created the map but when I try to make the image stack by using the screen capture module I receive and error stating “not all arguments converted during…

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## [New in comunity](https://discourse.slicer.org/t/new-in-comunity/34301)

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**Author:** [@amigorila](https://discourse.slicer.org/u/amigorila)\
**Replies:** 2\
**Last updated:** [February 14, 2024, 9:32am UTC](https://discourse.slicer.org/t/new-in-comunity/34301 "2024-02-14T09:32:32Z")

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hi, im new in this software and in this comunity, my english is bad also. I have lot of questions, some are basical and others more especific. Right now im trying to make a 3d model of my own knee but the series in the M…

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## [How to perform 3d reconstruction](https://discourse.slicer.org/t/how-to-perform-3d-reconstruction/34315)

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**Author:** [@labixin](https://discourse.slicer.org/u/labixin)\
**Replies:** 0\
**Last updated:** [February 14, 2024, 7:49am UTC](https://discourse.slicer.org/t/how-to-perform-3d-reconstruction/34315 "2024-02-14T07:49:11Z")

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Hello everyone, As shown in figure 1, there is a breast CT with breast contour (labelled by blue outline), and high density markers (labelled by red dots). Now I want to perform 3d reconstruction. Specifically: Creat…

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## [Angle plane module](https://discourse.slicer.org/t/angle-plane-module/34281)

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**Author:** [@anasmh101](https://discourse.slicer.org/u/anasmh101)\
**Replies:** 2\
**Last updated:** [February 13, 2024, 8:33pm UTC](https://discourse.slicer.org/t/angle-plane-module/34281 "2024-02-13T20:33:25Z")

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Hello, I am having a problem with Angle planes module in adding land marks in order to create two planes to calculate yaw pitch and roll between two planes, there is no control over adding landmarks, tens of landmark are…

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## [Spharm PDM Coefficient](https://discourse.slicer.org/t/spharm-pdm-coefficient/34178)

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**Author:** [@Golriz](https://discourse.slicer.org/u/Golriz)\
**Replies:** 2\
**Last updated:** [February 13, 2024, 7:29pm UTC](https://discourse.slicer.org/t/spharm-pdm-coefficient/34178 "2024-02-13T19:29:12Z")

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I have a concern regarding the reconstruction of the 3D mesh from the coefficients using the provided scripts, namely “SphericalHarmonicPolynomial.txx” and “SphericalHarmonicMeshSource.cxx”. The resulting mesh appears to…

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## [Theory of elastix registration](https://discourse.slicer.org/t/theory-of-elastix-registration/34298)

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**Author:** [@Alice\_Durante](https://discourse.slicer.org/u/Alice_Durante)\
**Replies:** 2\
**Last updated:** [February 13, 2024, 5:09pm UTC](https://discourse.slicer.org/t/theory-of-elastix-registration/34298 "2024-02-13T17:09:35Z")

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Hi everyone I used the 3d slicer extension called “Registration- general registration-elastix”, and I managed to get a very good recording result, but I need some information for my thesis. Can you confirm me first of…

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## [Combining two microCT Datasets for higher Quality images](https://discourse.slicer.org/t/combining-two-microct-datasets-for-higher-quality-images/34244)

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**Author:** [@nixxon94](https://discourse.slicer.org/u/nixxon94)\
**Replies:** 2\
**Last updated:** [February 11, 2024, 1:41pm UTC](https://discourse.slicer.org/t/combining-two-microct-datasets-for-higher-quality-images/34244 "2024-02-11T13:41:36Z")

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Hello everyone, I am looking to combine two micro-CT scans in such a way that I get a new image stack that might have reduced noise. I have two scans of the same specimen in the exact same position and aquisition proto…

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## [Principal moments in 3D Slicer](https://discourse.slicer.org/t/principal-moments-in-3d-slicer/34286)

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**Author:** [@pragyanshree\_prusty](https://discourse.slicer.org/u/pragyanshree_prusty)\
**Replies:** 1\
**Last updated:** [February 13, 2024, 2:00pm UTC](https://discourse.slicer.org/t/principal-moments-in-3d-slicer/34286 "2024-02-13T14:00:42Z")

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could any body in the forum tell me the meaning of principal moments in the context of 3D slicer ?

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## [Insula segmentation ](https://discourse.slicer.org/t/insula-segmentation/34287)

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**Author:** [@Qiang\_Wang](https://discourse.slicer.org/u/Qiang_Wang)\
**Replies:** 0\
**Last updated:** [February 13, 2024, 12:42pm UTC](https://discourse.slicer.org/t/insula-segmentation/34287 "2024-02-13T12:42:30Z")

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Hi, I’m trying to perform insula segmentation by following the procedures at https://projectweek.na-mic.org/PW28\_2018\_GranCanaria/Projects/Insula\_segmentation\_with\_3DSlicer/. I’m new to slicer, so I got stuck at the fi…

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## [Slicer and SaaS?](https://discourse.slicer.org/t/slicer-and-saas/33963)

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**Author:** [@Miri\_Trope](https://discourse.slicer.org/u/Miri_Trope)\
**Replies:** 16\
**Last updated:** [February 13, 2024, 6:27am UTC](https://discourse.slicer.org/t/slicer-and-saas/33963 "2024-02-13T06:27:58Z")

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Hello, I’m curious if anyone has experimented with employing Slicer and SaaS, and could you provide insights into how the combination functions?

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## [Angle planes issue](https://discourse.slicer.org/t/angle-planes-issue/13471)

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**Author:** [@Malick](https://discourse.slicer.org/u/Malick)\
**Replies:** 6\
**Last updated:** [February 13, 2024, 6:15am UTC](https://discourse.slicer.org/t/angle-planes-issue/13471 "2024-02-13T06:15:30Z")

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Operating system: Win 10 Slicer version: 4.10.2 Expected behavior: Angles measurements Actual behavior: Impossible to create a new plane Python error line Traceback (most recent call last): File “C:/Users/Malick/Ap…

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## [Rapid progress of ChatGPT (GPT-4) image analysis - potential Slicer extension?](https://discourse.slicer.org/t/rapid-progress-of-chatgpt-gpt-4-image-analysis-potential-slicer-extension/32178)

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**Author:** [@rbumm](https://discourse.slicer.org/u/rbumm)\
**Replies:** 7\
**Last updated:** [February 13, 2024, 6:06am UTC](https://discourse.slicer.org/t/rapid-progress-of-chatgpt-gpt-4-image-analysis-potential-slicer-extension/32178 "2024-02-13T06:06:56Z")

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Today the image analysis feature reaches Switzerland and gives some amazin results. Just beginning testing. Me: What scope of diagnosis is possible here? ChatGPT This is a magnetic resonance imaging (MRI) scan of t…

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## [New module: Extract Centerline (in SlicerVMTK extension)](https://discourse.slicer.org/t/new-module-extract-centerline-in-slicervmtk-extension/12117)

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**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Replies:** 33\
**Last updated:** [February 13, 2024, 5:29am UTC](https://discourse.slicer.org/t/new-module-extract-centerline-in-slicervmtk-extension/12117 "2024-02-13T05:29:55Z")

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We added a completely new module that makes vessel (or airway or any other tree structure) centerline extraction much faster, flexible, and robust. It can quickly extract a network, determine branch endpoints automatical…

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## [Imported nrrt image not being imported in the correct anatomical orientation. ](https://discourse.slicer.org/t/imported-nrrt-image-not-being-imported-in-the-correct-anatomical-orientation/34269)

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**Author:** [@cscanla](https://discourse.slicer.org/u/cscanla)\
**Replies:** 1\
**Last updated:** [February 13, 2024, 1:44am UTC](https://discourse.slicer.org/t/imported-nrrt-image-not-being-imported-in-the-correct-anatomical-orientation/34269 "2024-02-13T01:44:07Z")

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I have a set of CT scans in a nrrd format. Half of them import correctly, in the orientation below: However, the other half of my images are being imported upside down. I have checked the way my images look in ImageJ …

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## [Simple h5file tree viewer to select and load data](https://discourse.slicer.org/t/simple-h5file-tree-viewer-to-select-and-load-data/34264)

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**Author:** [@Michael\_Hsi](https://discourse.slicer.org/u/Michael_Hsi)\
**Replies:** 3\
**Last updated:** [February 13, 2024, 1:33am UTC](https://discourse.slicer.org/t/simple-h5file-tree-viewer-to-select-and-load-data/34264 "2024-02-13T01:33:10Z")

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Hello, My data (3d uint8/uint16/fp32 array) are stored in h5 files, under the ‘data’ key. the h5file is created in python, using h5py and hdf5plugin (for zstd compression/decompression). is there anyway we can implement…

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## [How to get airways using LungCTAnalyzer](https://discourse.slicer.org/t/how-to-get-airways-using-lungctanalyzer/24102)

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**Author:** [@ekmungi](https://discourse.slicer.org/u/ekmungi)\
**Replies:** 14\
**Last updated:** [February 12, 2024, 10:56pm UTC](https://discourse.slicer.org/t/how-to-get-airways-using-lungctanalyzer/24102 "2024-02-12T22:56:39Z")

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This question is a continuation to an issue I posted on github. I am posting follow-up here. I performed the steps as suggested. However, as can be seen in the second picture. Somehow the lung lobes and airways are bein…

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## [Rendering side by side](https://discourse.slicer.org/t/rendering-side-by-side/34268)

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**Author:** [@imruljubair](https://discourse.slicer.org/u/imruljubair)\
**Replies:** 2\
**Last updated:** [February 12, 2024, 9:45pm UTC](https://discourse.slicer.org/t/rendering-side-by-side/34268 "2024-02-12T21:45:21Z")

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Hello, Is there any way to render 3D segmentation on multiple screen? For example, visualizing pat00-seg.nii.gz and pat00-seg-ground-truth.nii.gz side by side? Thanks, Jubair

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## [Is there a Setter similar for the Getter GetInteractionHandleToWorldMatrix?](https://discourse.slicer.org/t/is-there-a-setter-similar-for-the-getter-getinteractionhandletoworldmatrix/34215)

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**Author:** [@Juergen](https://discourse.slicer.org/u/Juergen)\
**Replies:** 14\
**Last updated:** [February 12, 2024, 8:30pm UTC](https://discourse.slicer.org/t/is-there-a-setter-similar-for-the-getter-getinteractionhandletoworldmatrix/34215 "2024-02-12T20:30:14Z")

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Hello, I am using SlicerJupyter and I’m trying to use the interaction handle for the MarkupsLineNode to control the position and orientation of other objects. That part works fine with this kind of code: implantlinenod…

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## [Coverting a .stl or .mph file to niftii ](https://discourse.slicer.org/t/coverting-a-stl-or-mph-file-to-niftii/34258)

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**Author:** [@savvy73](https://discourse.slicer.org/u/savvy73)\
**Replies:** 0\
**Last updated:** [February 12, 2024, 3:46pm UTC](https://discourse.slicer.org/t/coverting-a-stl-or-mph-file-to-niftii/34258 "2024-02-12T15:46:00Z")

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Hi, I am trying to convert a 3D model created in Comsol multiphysics to nifti file. Can some one tell me if that can be done. Thank you in advance

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## [A lost beginner to 3D printing](https://discourse.slicer.org/t/a-lost-beginner-to-3d-printing/34198)

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**Author:** [@TamR](https://discourse.slicer.org/u/TamR)\
**Replies:** 2\
**Last updated:** [February 12, 2024, 2:09pm UTC](https://discourse.slicer.org/t/a-lost-beginner-to-3d-printing/34198 "2024-02-12T14:09:23Z")

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Hello, I have only been using this software for 3 hours but am struggling to even get the Dicom data to load correctly with out all the loadout screens appearing black. I have tried to follow a number of tutorials on th…

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## [How can I effectively separate upper and lower teeth that are in contact with each other?](https://discourse.slicer.org/t/how-can-i-effectively-separate-upper-and-lower-teeth-that-are-in-contact-with-each-other/34254)

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**Author:** [@Jake1](https://discourse.slicer.org/u/Jake1)\
**Replies:** 2\
**Last updated:** [February 12, 2024, 10:41am UTC](https://discourse.slicer.org/t/how-can-i-effectively-separate-upper-and-lower-teeth-that-are-in-contact-with-each-other/34254 "2024-02-12T10:41:39Z")

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Operating system: win 10 Slicer version: 5.6.1 Expected behavior: Due to limitations in the equipment, the teeth in the CBCT images of the upper and lower jaws are captured as connected. Is there any method to relative…

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## [VFF Import Errors](https://discourse.slicer.org/t/vff-import-errors/15532)

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**Author:** [@SmHoop](https://discourse.slicer.org/u/SmHoop)\
**Replies:** 13\
**Last updated:** [February 12, 2024, 10:29am UTC](https://discourse.slicer.org/t/vff-import-errors/15532 "2024-02-12T10:29:39Z")

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Hello, I am attempting to import a .vff file I have created from a .mat cube (170x170x182), which is an optical CT reconstruction (through matlab iradon). I am using matlab file to convert my .mat file into .vff. I can …

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## [Level tracing segment editor effect](https://discourse.slicer.org/t/level-tracing-segment-editor-effect/949)

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**Author:** [@stevenagl12](https://discourse.slicer.org/u/stevenagl12)\
**Replies:** 18\
**Last updated:** [February 12, 2024, 3:18am UTC](https://discourse.slicer.org/t/level-tracing-segment-editor-effect/949 "2024-02-12T03:18:38Z")

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I was wondering if there was a way to get an option in level tracing for the Segment Editor to allow for the corrections to the segmentation performed in the 3rd dimension so that the level tracing can happen outside of …

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