# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=191

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

**Page:** 192

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## [About The Curvature of the Centerline](https://discourse.slicer.org/t/about-the-curvature-of-the-centerline/26563)

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**Author:** [@LXT](https://discourse.slicer.org/u/LXT)\
**Replies:** 1\
**Last updated:** [December 3, 2022, 5:05am UTC](https://discourse.slicer.org/t/about-the-curvature-of-the-centerline/26563 "2022-12-03T05:05:44Z")

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Hello, I am a beginner using the VMTK module. I would like to ask how the curvature value in the exported centerline quantitative Table is calculated. Because the average and maximum values of the same centerline obtaine…

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## [MONAI Label - Training from Scratch](https://discourse.slicer.org/t/monai-label-training-from-scratch/26460)

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**Author:** [@chendong9416](https://discourse.slicer.org/u/chendong9416)\
**Replies:** 6\
**Last updated:** [December 3, 2022, 1:45am UTC](https://discourse.slicer.org/t/monai-label-training-from-scratch/26460 "2022-12-03T01:45:43Z")

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Currently, i am training my own dataset as the video showed. I wonder, after i trained about 10-20 cases, how can i use the trained model? Does a simple click on auto-segmentation works (it does not work i…

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## [Error Loading Head MRB in visualization tutorial](https://discourse.slicer.org/t/error-loading-head-mrb-in-visualization-tutorial/26555)

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**Author:** [@Erin](https://discourse.slicer.org/u/Erin)\
**Replies:** 3\
**Last updated:** [December 2, 2022, 11:15pm UTC](https://discourse.slicer.org/t/error-loading-head-mrb-in-visualization-tutorial/26555 "2022-12-02T23:15:06Z")

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I have been trying to follow tutorial \[Slicer 5.0 Basics of data loading and visualization tutorial\].(SlicerVisualizationTutorial) However, I kept getting error as shown below and cannot manipulate the model. Could you …

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## [Reference line MRI](https://discourse.slicer.org/t/reference-line-mri/26535)

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**Author:** [@AmandineG](https://discourse.slicer.org/u/AmandineG)\
**Replies:** 1\
**Last updated:** [December 2, 2022, 11:06pm UTC](https://discourse.slicer.org/t/reference-line-mri/26535 "2022-12-02T23:06:32Z")

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Hello, I am a new user of 3Dslicer on Mac, version 5.2.1. Do you know if it is possible to display a landmark line to match the sagittal and axial views on a lumbar spine MRI? Can this line have an editable angle? I am…

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## [How do I view a Spatial Registration Obj in slicer?](https://discourse.slicer.org/t/how-do-i-view-a-spatial-registration-obj-in-slicer/26140)

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**Author:** [@MikeC](https://discourse.slicer.org/u/MikeC)\
**Replies:** 18\
**Last updated:** [December 2, 2022, 6:53pm UTC](https://discourse.slicer.org/t/how-do-i-view-a-spatial-registration-obj-in-slicer/26140 "2022-12-02T18:53:13Z")

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I have installed a few of the extensions, but it still will not load the SRO dcm file.

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## [Composite transform from ANTsR is read incorrectly into Slicer](https://discourse.slicer.org/t/composite-transform-from-antsr-is-read-incorrectly-into-slicer/26498)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 14\
**Last updated:** [December 2, 2022, 6:27pm UTC](https://discourse.slicer.org/t/composite-transform-from-antsr-is-read-incorrectly-into-slicer/26498 "2022-12-02T18:27:52Z")

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I have registered a mouse image to a template in ANTsR (R version of ANTs). We have saved the resultant affine and deformable transforms and when these are loaded into Slicer and correctly nested, the resultant image is …

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## [convert .avi to .mha](https://discourse.slicer.org/t/convert-avi-to-mha/26493)

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**Author:** [@mattusa90](https://discourse.slicer.org/u/mattusa90)\
**Replies:** 3\
**Last updated:** [December 2, 2022, 3:25pm UTC](https://discourse.slicer.org/t/convert-avi-to-mha/26493 "2022-12-02T15:25:25Z")

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For a research project I collected .avi video files of the vasculature under the tongue of patients with a microscope. I need to convert these .avi files to .mha files for analysis in new software. Would this be somethin…

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## [Exporting a model to STL with markups](https://discourse.slicer.org/t/exporting-a-model-to-stl-with-markups/26502)

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**Author:** [@bremsstrahlung](https://discourse.slicer.org/u/bremsstrahlung)\
**Replies:** 5\
**Last updated:** [December 2, 2022, 3:15pm UTC](https://discourse.slicer.org/t/exporting-a-model-to-stl-with-markups/26502 "2022-12-02T15:15:16Z")

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I have a model and have a point list of markups on the model, How do i export this model to STL with the control points?

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## [MSB8066 error while building 3DSlicer latest version](https://discourse.slicer.org/t/msb8066-error-while-building-3dslicer-latest-version/26246)

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**Author:** [@Dya](https://discourse.slicer.org/u/Dya)\
**Replies:** 12\
**Last updated:** [December 2, 2022, 3:14pm UTC](https://discourse.slicer.org/t/msb8066-error-while-building-3dslicer-latest-version/26246 "2022-12-02T15:14:26Z")

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The cmake has compiled and generated without any error. I am getting this error message while building 3DSlicer in visual studio 2022 .I have searched this topic and found out to use the latest version of 3d slicer pa…

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## [Covid-19 lesion segmentation](https://discourse.slicer.org/t/covid-19-lesion-segmentation/26542)

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**Author:** [@Nima\_Yousefi](https://discourse.slicer.org/u/Nima_Yousefi)\
**Replies:** 1\
**Last updated:** [December 2, 2022, 8:04am UTC](https://discourse.slicer.org/t/covid-19-lesion-segmentation/26542 "2022-12-02T08:04:11Z")

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Hi all How can I segment these areas and create its masks? Thanks.

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## [The slicerRadiomics module and many other modules are not found in the latest version](https://discourse.slicer.org/t/the-slicerradiomics-module-and-many-other-modules-are-not-found-in-the-latest-version/23050)

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**Author:** [@lrc\_09](https://discourse.slicer.org/u/lrc_09)\
**Replies:** 11\
**Last updated:** [December 2, 2022, 4:14am UTC](https://discourse.slicer.org/t/the-slicerradiomics-module-and-many-other-modules-are-not-found-in-the-latest-version/23050 "2022-12-02T04:14:36Z")

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Hi, 3Dslicer give me much more help and I appreciate it. However, The slicerRadiomics module and many other modules are not found in the latest version 4.13.0 revision 30789, are the modules deleted in the new version.

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## [How to disable Series C-FIND when using ctkDICOMQueryRetrieveWidget queries?](https://discourse.slicer.org/t/how-to-disable-series-c-find-when-using-ctkdicomqueryretrievewidget-queries/26540)

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**Author:** [@Gabriel\_WK](https://discourse.slicer.org/u/Gabriel_WK)\
**Replies:** 3\
**Last updated:** [December 1, 2022, 10:24pm UTC](https://discourse.slicer.org/t/how-to-disable-series-c-find-when-using-ctkdicomqueryretrievewidget-queries/26540 "2022-12-01T22:24:45Z")

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Operating system: Windows 11 Slicer version: 5.3.0-2022-11-27 I can’t find a way to do “Study level only” queries when using ctkDICOMQueryRetrieveWidget. The behaviour I would like to achieve is one where simple initia…

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## [Save .mrk.json files from .mrb without opening each .mrb](https://discourse.slicer.org/t/save-mrk-json-files-from-mrb-without-opening-each-mrb/26539)

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**Author:** [@Masteling](https://discourse.slicer.org/u/Masteling)\
**Replies:** 2\
**Last updated:** [December 1, 2022, 5:07pm UTC](https://discourse.slicer.org/t/save-mrk-json-files-from-mrb-without-opening-each-mrb/26539 "2022-12-01T17:07:28Z")

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Is there a way to save all mrk.json files in a .mrb bundle without opening each .mrb individually and selecting the .mrk.json files individually in the save window? Context: For each subject I have a .mrb file that con…

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## [Voxel-based registration](https://discourse.slicer.org/t/voxel-based-registration/26536)

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**Author:** [@dovie](https://discourse.slicer.org/u/dovie)\
**Replies:** 0\
**Last updated:** [December 1, 2022, 1:20pm UTC](https://discourse.slicer.org/t/voxel-based-registration/26536 "2022-12-01T13:20:06Z")

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hi everyone! I am new at 3D slicer. I try to registrate the CBCTs of mandibular at different time with the modules “CMF registration no growing”, to measure the change of condyle. However, I have no idea to make the “B…

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## [Segmentation smooth](https://discourse.slicer.org/t/segmentation-smooth/26051)

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**Author:** [@qod\_rec](https://discourse.slicer.org/u/qod_rec)\
**Replies:** 1\
**Last updated:** [December 1, 2022, 8:00am UTC](https://discourse.slicer.org/t/segmentation-smooth/26051 "2022-12-01T08:00:53Z")

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Hello! I have a dataset of chest CTs. Here is what I see when I open them with 3d slicer: This segmentation has some sawtoothes both in the label map and the mesh. I want to get smooth contour and I saw some videos …

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## [Model registration as measurement of displacement](https://discourse.slicer.org/t/model-registration-as-measurement-of-displacement/26104)

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**Author:** [@jegberink](https://discourse.slicer.org/u/jegberink)\
**Replies:** 1\
**Last updated:** [December 1, 2022, 7:54am UTC](https://discourse.slicer.org/t/model-registration-as-measurement-of-displacement/26104 "2022-12-01T07:54:03Z")

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Hey Everyone, I’m using ALPACA from Slicermorph to measure the rotation and translation from a preoperative, postoperative and planning of the femoral head after an osteotomy. Explanation of my methods: I have a preop…

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## [MRI-image matching knee joint](https://discourse.slicer.org/t/mri-image-matching-knee-joint/26111)

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**Author:** [@Pearly](https://discourse.slicer.org/u/Pearly)\
**Replies:** 1\
**Last updated:** [December 1, 2022, 7:48am UTC](https://discourse.slicer.org/t/mri-image-matching-knee-joint/26111 "2022-12-01T07:48:59Z")

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Operating system: Windows Slicer version: 5.0.3 Expected behavior: N.A. Actual behavior: N.A. For a study investigating sodium concentration in knee joints using Na-MRI images, I want to use 3D slicer for my data ana…

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## [Order of transformation for model registration](https://discourse.slicer.org/t/order-of-transformation-for-model-registration/26102)

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**Author:** [@jegberink](https://discourse.slicer.org/u/jegberink)\
**Replies:** 2\
**Last updated:** [December 1, 2022, 7:48am UTC](https://discourse.slicer.org/t/order-of-transformation-for-model-registration/26102 "2022-12-01T07:48:12Z")

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Hello everyone, I cant seem to find a definitive answer on this. I’m using ALPACA through Slicermorph to register 2 models to eachother. My question is regarding the resulting transformation. Is there and order of trans…

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## [Link slices from different view groups (different data sets/files)](https://discourse.slicer.org/t/link-slices-from-different-view-groups-different-data-sets-files/26132)

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**Author:** [@Pearly](https://discourse.slicer.org/u/Pearly)\
**Replies:** 1\
**Last updated:** [December 1, 2022, 7:45am UTC](https://discourse.slicer.org/t/link-slices-from-different-view-groups-different-data-sets-files/26132 "2022-12-01T07:45:11Z")

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Is it possible to link 2d slices from different view groups(2 different data sets)?

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## [Conversion from 7z to mrb file](https://discourse.slicer.org/t/conversion-from-7z-to-mrb-file/26138)

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**Author:** [@kennedy\_karanja](https://discourse.slicer.org/u/kennedy_karanja)\
**Replies:** 1\
**Last updated:** [December 1, 2022, 7:40am UTC](https://discourse.slicer.org/t/conversion-from-7z-to-mrb-file/26138 "2022-12-01T07:40:14Z")

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Hello everyone, how does one convert 7Z files to mrb.

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## [Computing DRR to a Transformed Volume](https://discourse.slicer.org/t/computing-drr-to-a-transformed-volume/26142)

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**Author:** [@domP](https://discourse.slicer.org/u/domP)\
**Replies:** 1\
**Last updated:** [December 1, 2022, 7:39am UTC](https://discourse.slicer.org/t/computing-drr-to-a-transformed-volume/26142 "2022-12-01T07:39:31Z")

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Hi everyone, is it possible to compute DRR to a transformed volume using Radiotherapy module? I have applied a “harden transform” (only a rotation) to a CT volume but when I compute DRR I don’t get the expected project…

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## [Diameter of 3d liver mri segmentation](https://discourse.slicer.org/t/diameter-of-3d-liver-mri-segmentation/26254)

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**Author:** [@hannahmed](https://discourse.slicer.org/u/hannahmed)\
**Replies:** 1\
**Last updated:** [December 1, 2022, 7:20am UTC](https://discourse.slicer.org/t/diameter-of-3d-liver-mri-segmentation/26254 "2022-12-01T07:20:52Z")

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Hello everyone, I am fairly new to 3d Slicer and have a question. I have successfully segmented both the tumor and liver and discovered the segment statistics module which gives me the volume of my segments. Now I need…

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## [Segment statistics: which volume most accurate](https://discourse.slicer.org/t/segment-statistics-which-volume-most-accurate/26255)

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**Author:** [@hannahmed](https://discourse.slicer.org/u/hannahmed)\
**Replies:** 1\
**Last updated:** [December 1, 2022, 7:20am UTC](https://discourse.slicer.org/t/segment-statistics-which-volume-most-accurate/26255 "2022-12-01T07:20:10Z")

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Hello everyone, I am fairly new to 3D Slicer and have a question regarding segment statistics: I have segmented a structure from an MRI scan and want to identify the volume of it. Which volume is the most accurate/ mean…

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## [Signal intensity in mri image](https://discourse.slicer.org/t/signal-intensity-in-mri-image/26256)

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**Author:** [@hannahmed](https://discourse.slicer.org/u/hannahmed)\
**Replies:** 1\
**Last updated:** [December 1, 2022, 7:16am UTC](https://discourse.slicer.org/t/signal-intensity-in-mri-image/26256 "2022-12-01T07:16:46Z")

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Hello everyone, how do I detect the signal intensity in an MRI image in order to be able to calculate the signal-to-noise-ratio (SNR) and -contrast-to-noise-ratio (CNR) in for example the liver and the air? I’d appreci…

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## [Segment Comparison Tables](https://discourse.slicer.org/t/segment-comparison-tables/26275)

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**Author:** [@Khalid\_Waleed](https://discourse.slicer.org/u/Khalid_Waleed)\
**Replies:** 1\
**Last updated:** [December 1, 2022, 7:12am UTC](https://discourse.slicer.org/t/segment-comparison-tables/26275 "2022-12-01T07:12:46Z")

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Hi all I am using a Mac, and I can’t fine (Segment Comparison) option in the modules any help?

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## [Distance from point to segment](https://discourse.slicer.org/t/distance-from-point-to-segment/26277)

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**Author:** [@NILV](https://discourse.slicer.org/u/NILV)\
**Replies:** 1\
**Last updated:** [December 1, 2022, 7:10am UTC](https://discourse.slicer.org/t/distance-from-point-to-segment/26277 "2022-12-01T07:10:58Z")

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Hello everyone. I have some problems when using the slicer. In my project,I want to get the distance from the center of GTV to the lung boundary,which means the distance to the apex of lung in SI direction and the dist…

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## [Display two sagittal views](https://discourse.slicer.org/t/display-two-sagittal-views/26292)

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**Author:** [@Maria\_Alivanistou](https://discourse.slicer.org/u/Maria_Alivanistou)\
**Replies:** 1\
**Last updated:** [December 1, 2022, 7:05am UTC](https://discourse.slicer.org/t/display-two-sagittal-views/26292 "2022-12-01T07:05:23Z")

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Hello! I’m new here but I also have a question about the viewing of the slices. Personally, I need a 3D, red, green and 2 yellow (views) at the same time. What I’m trying to see is the position of two implants inside a b…

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## [Calculating distances between two identical modelsr](https://discourse.slicer.org/t/calculating-distances-between-two-identical-modelsr/26323)

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**Author:** [@TrascendentK](https://discourse.slicer.org/u/TrascendentK)\
**Replies:** 1\
**Last updated:** [December 1, 2022, 7:02am UTC](https://discourse.slicer.org/t/calculating-distances-between-two-identical-modelsr/26323 "2022-12-01T07:02:59Z")

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Hi all, i’m new to Sclier3D and i’m actually using it to write my bachelor’s thesis, so i apologise if this is an odd question. The work is aimed to evaluate the accuracy of computer-guided implant surgery, which means…

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## [Transform markups to STL](https://discourse.slicer.org/t/transform-markups-to-stl/26326)

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**Author:** [@Santiodon](https://discourse.slicer.org/u/Santiodon)\
**Replies:** 1\
**Last updated:** [December 1, 2022, 6:59am UTC](https://discourse.slicer.org/t/transform-markups-to-stl/26326 "2022-12-01T06:59:41Z")

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Hello!! Does anyone know how to transform the fiducial mark ups into .STL files to be exported??

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## [Output multiple labelmap for multi-class segmentation](https://discourse.slicer.org/t/output-multiple-labelmap-for-multi-class-segmentation/26357)

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**Author:** [@Dolzodmaa\_D](https://discourse.slicer.org/u/Dolzodmaa_D)\
**Replies:** 1\
**Last updated:** [December 1, 2022, 6:36am UTC](https://discourse.slicer.org/t/output-multiple-labelmap-for-multi-class-segmentation/26357 "2022-12-01T06:36:32Z")

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How can I save the binary label maps for each class I segmented? Or is it possible to output multi-color segmentation label map?

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