# Support **URL:** https://discourse.slicer.org/c/support/11.md?page=350 [Latest](https://discourse.slicer.org/latest.md) · [Categories](https://discourse.slicer.org/categories.md) · [Tags](https://discourse.slicer.org/tags.md) **Page:** 351 --- ## [Error when using segmentmesher](https://discourse.slicer.org/t/error-when-using-segmentmesher/10509)
**Author:** [@Aep93](https://discourse.slicer.org/u/Aep93)\ **Replies:** 4\ **Last updated:** [March 5, 2020, 4:29pm UTC](https://discourse.slicer.org/t/error-when-using-segmentmesher/10509 "2020-03-05T16:29:36Z")
Hello all, I got the following error when I want to mesh my segmentations in segmentmesher: ./config/NA-MIC/Extensions-28797/SegmentMesher/lib/Slicer-4.11/qt-scripted-modules/SegmentMesher.py", line 296, in onApplyButt… --- ## [How to print the model from dithered bitmaps stack?](https://discourse.slicer.org/t/how-to-print-the-model-from-dithered-bitmaps-stack/10554)
**Author:** [@Lei](https://discourse.slicer.org/u/Lei)\ **Replies:** 1\ **Last updated:** [March 5, 2020, 1:39pm UTC](https://discourse.slicer.org/t/how-to-print-the-model-from-dithered-bitmaps-stack/10554 "2020-03-05T13:39:46Z")
Hello everyone! We have the Stratasys objet260 printer and we tried to make a model based on bitmap images. We exported from SlicerFab and converted all images by Floyd–Steinberg dithering algorithm. Could anyone give us… --- ## [Internal error pop-up when importing DICOM data](https://discourse.slicer.org/t/internal-error-pop-up-when-importing-dicom-data/10453)
**Author:** [@Patrick](https://discourse.slicer.org/u/Patrick)\ **Replies:** 12\ **Last updated:** [March 5, 2020, 1:32pm UTC](https://discourse.slicer.org/t/internal-error-pop-up-when-importing-dicom-data/10453 "2020-03-05T13:32:03Z")
Hi, I am currently trying to import a DICOM file into the program through “Import DICOM files from directory”. Once I have located the file and clicked “Import” the above image appears. This is my first time using the… --- ## [Bugfix - Bugreport Slicer 4.11.0-2020-01-08](https://discourse.slicer.org/t/bugfix-bugreport-slicer-4-11-0-2020-01-08/10551)
**Author:** [@Felix](https://discourse.slicer.org/u/Felix)\ **Replies:** 2\ **Last updated:** [March 5, 2020, 7:32am UTC](https://discourse.slicer.org/t/bugfix-bugreport-slicer-4-11-0-2020-01-08/10551 "2020-03-05T07:32:19Z")
Operating system: Windows 10 Slicer version: 4.11.0-2020-01-08 Expected behavior: Editor → Edit selected label Map → Paint + eraser + sphere works in all three views Actual behavior: Editor → Edit selected label Map →… --- ## [Required extension not being installed in tests](https://discourse.slicer.org/t/required-extension-not-being-installed-in-tests/9444)
**Author:** [@Alex\_Vergara](https://discourse.slicer.org/u/Alex_Vergara)\ **Replies:** 20\ **Last updated:** [March 5, 2020, 2:10am UTC](https://discourse.slicer.org/t/required-extension-not-being-installed-in-tests/9444 "2020-03-05T02:10:09Z")
While building my extension I have set up a required extension (SlicerElastix) which runs fine, but when I want to test it in Docker it fails with this message: 144 CMake Warning at /usr/src/Slicer/Extensions/CMake/Slic… --- ## [How to store the file after performing segmentation using NVDIA AIAA](https://discourse.slicer.org/t/how-to-store-the-file-after-performing-segmentation-using-nvdia-aiaa/10515)
**Author:** [@Flash](https://discourse.slicer.org/u/Flash)\ **Replies:** 1\ **Last updated:** [March 5, 2020, 2:06am UTC](https://discourse.slicer.org/t/how-to-store-the-file-after-performing-segmentation-using-nvdia-aiaa/10515 "2020-03-05T02:06:28Z")
Hello, I have performed segmentation using NVDIA AIAA segmentation models. It works well. However,I want to store the segmented file as nii file,as my main purpose is to use the annotated file to build an AI model usi… --- ## [Error in building Slicer from source about ITK](https://discourse.slicer.org/t/error-in-building-slicer-from-source-about-itk/10534)
**Author:** [@Akash23](https://discourse.slicer.org/u/Akash23)\ **Replies:** 1\ **Last updated:** [March 4, 2020, 2:19pm UTC](https://discourse.slicer.org/t/error-in-building-slicer-from-source-about-itk/10534 "2020-03-04T14:19:19Z")
Hi, all, I ran the build in my ubuntu 18, with gcc/g++ 7.4 and cmake 3.13 and qt5. But it seems to me the path for ITK git repository is not correct. Anyone ran into this issue? How should I provide correct path for ITK… --- ## [Nifti loading times](https://discourse.slicer.org/t/nifti-loading-times/10497)
**Author:** [@rprueckl](https://discourse.slicer.org/u/rprueckl)\ **Replies:** 6\ **Last updated:** [March 4, 2020, 2:02pm UTC](https://discourse.slicer.org/t/nifti-loading-times/10497 "2020-03-04T14:02:50Z")
Hi, I encountered very long loading times for some nifti datasets. I don’t know what it is. The following dataset takes one minute and 15 seconds to load in slicer 4.10.2 (it has about 60MB): Mango file header: A… --- ## [Referring to Slicer as a resource in company documentation](https://discourse.slicer.org/t/referring-to-slicer-as-a-resource-in-company-documentation/10533)
**Author:** [@Vincent\_C](https://discourse.slicer.org/u/Vincent_C)\ **Replies:** 3\ **Last updated:** [March 4, 2020, 2:48am UTC](https://discourse.slicer.org/t/referring-to-slicer-as-a-resource-in-company-documentation/10533 "2020-03-04T02:48:39Z")
Hi, I am referring to Slicer as a resource in company documentation and wanted to ensure I am referencing the software correctly. What is the best way to reference Slicer in documentation meant for commercial use? Than… --- ## [General questions about Microscopy image processing and & visualization using 3D Slicer](https://discourse.slicer.org/t/general-questions-about-microscopy-image-processing-and-visualization-using-3d-slicer/10527)
**Author:** [@zwei2001](https://discourse.slicer.org/u/zwei2001)\ **Replies:** 6\ **Last updated:** [March 3, 2020, 9:59pm UTC](https://discourse.slicer.org/t/general-questions-about-microscopy-image-processing-and-visualization-using-3d-slicer/10527 "2020-03-03T21:59:07Z")
I’d like to know following if 3D Slcier has following features. Thanks for anyone who helps GPU for Image Processing? Multithread? Well-documented? Stereo image pairs? Surface rendering? Shadowing casting? VR? Mo… --- ## [Editing DTI brain mask on Mac](https://discourse.slicer.org/t/editing-dti-brain-mask-on-mac/10387)
**Author:** [@LearningSlicerYay](https://discourse.slicer.org/u/LearningSlicerYay)\ **Replies:** 7\ **Last updated:** [March 3, 2020, 6:07pm UTC](https://discourse.slicer.org/t/editing-dti-brain-mask-on-mac/10387 "2020-03-03T18:07:05Z")
Operating system: Mac Slicer version: 4.10.2 Expected behavior: Has editor module Actual behavior: No editor module Hi everyone I normally run my DTI analysis using Windows, but wanted to try out whitematteranalysis… --- ## [New user segmentation help](https://discourse.slicer.org/t/new-user-segmentation-help/9971)
**Author:** [@bobkallal](https://discourse.slicer.org/u/bobkallal)\ **Replies:** 10\ **Last updated:** [March 2, 2020, 10:05pm UTC](https://discourse.slicer.org/t/new-user-segmentation-help/9971 "2020-03-02T22:05:38Z")
Hi, I’m a new user, trying to transition to using Slicer from Avizo. I have micro-CT scans of spiders, and I’m interested in segmenting the dense, sclerotized parts from the soft tissue as well as segmenting muscles. I … --- ## [Mesh multiple objects](https://discourse.slicer.org/t/mesh-multiple-objects/10384)
**Author:** [@Aep93](https://discourse.slicer.org/u/Aep93)\ **Replies:** 11\ **Last updated:** [March 2, 2020, 9:03pm UTC](https://discourse.slicer.org/t/mesh-multiple-objects/10384 "2020-03-02T21:03:40Z")
Hello all, I have multiple parts of an organ (which are in contact with each other) and I want to mesh them in a way that they be conformal (having same nodes on their contact region). I can generate separate meshes for… --- ## [Slicer is duplicating files on upload](https://discourse.slicer.org/t/slicer-is-duplicating-files-on-upload/10501)
**Author:** [@fullerkj](https://discourse.slicer.org/u/fullerkj)\ **Replies:** 1\ **Last updated:** [March 2, 2020, 5:53pm UTC](https://discourse.slicer.org/t/slicer-is-duplicating-files-on-upload/10501 "2020-03-02T17:53:20Z")
Hello! When I upload a directory into Slicer, I am having a problem where my files (segmentation, transform, etc) are being duplicated on upload. I’m not quite sure what is causing these files to duplicate. I have att… --- ## [NVDIA AIAA server error](https://discourse.slicer.org/t/nvdia-aiaa-server-error/10500)
**Author:** [@Flash](https://discourse.slicer.org/u/Flash)\ **Replies:** 0\ **Last updated:** [March 2, 2020, 4:45pm UTC](https://discourse.slicer.org/t/nvdia-aiaa-server-error/10500 "2020-03-02T16:45:03Z")
Hello, I have set up AIAA server and downloaded model from NGC which is visible in Slicer. When I try to run the Auto-segmentation-clara\_mri\_seg\_brain\_tumors\_br16\_full or any other pre-loaded model. It throws an erro… --- ## [NVIAA AIAA segmentation error](https://discourse.slicer.org/t/nviaa-aiaa-segmentation-error/10503)
**Author:** [@Flash](https://discourse.slicer.org/u/Flash)\ **Replies:** 1\ **Last updated:** [March 2, 2020, 5:51pm UTC](https://discourse.slicer.org/t/nviaa-aiaa-segmentation-error/10503 "2020-03-02T17:51:33Z")
Hello, I have installed 3D slicer version 4.11.0 I have uploaded some unlocked models in my AIAA server and set it up. It is loading the models.but when I try to run it(clara\_mri\_fed\_learning\_seg\_brain\_tumors\_br16\_t1c… --- ## [Any provisions for publication thesis use 3d slicer? ](https://discourse.slicer.org/t/any-provisions-for-publication-thesis-use-3d-slicer/10469)
**Author:** [@Firaa\_Khadijaah](https://discourse.slicer.org/u/Firaa_Khadijaah)\ **Replies:** 5\ **Last updated:** [March 2, 2020, 9:45am UTC](https://discourse.slicer.org/t/any-provisions-for-publication-thesis-use-3d-slicer/10469 "2020-03-02T09:45:15Z")
Any provisions for publication thesis use 3d slicer? --- ## [Create cubic ROI (VOI) and extract data from image file (e.g MRI)?](https://discourse.slicer.org/t/create-cubic-roi-voi-and-extract-data-from-image-file-e-g-mri/9945)
**Author:** [@sfglio](https://discourse.slicer.org/u/sfglio)\ **Replies:** 11\ **Last updated:** [March 1, 2020, 8:33pm UTC](https://discourse.slicer.org/t/create-cubic-roi-voi-and-extract-data-from-image-file-e-g-mri/9945 "2020-03-01T20:33:33Z")
I want to draw/create a cubic VOI of 1cm x 1cm x 0.5cm, I haven’t found the right tool in editor/segment editor?? Furthermore I want to place this VOI into a MRI image and save this VOI (but including the dimensions of … --- ## [Triangulating a Surface Mesh](https://discourse.slicer.org/t/triangulating-a-surface-mesh/10243)
**Author:** [@ChristopherWaters](https://discourse.slicer.org/u/ChristopherWaters)\ **Replies:** 35\ **Last updated:** [March 1, 2020, 7:47pm UTC](https://discourse.slicer.org/t/triangulating-a-surface-mesh/10243 "2020-03-01T19:47:02Z")
Goal: Triangulate a Surface Mesh (vtk unstructured grid) for FEM Approach: Load .vtk surface mesh in 3DSlicer Convert Model to Segmentation Node Use Segment Mesher + Cleaver Extension to create volumetric mesh Trian… --- ## [Generate cad from slicer models](https://discourse.slicer.org/t/generate-cad-from-slicer-models/10477)
**Author:** [@Aep93](https://discourse.slicer.org/u/Aep93)\ **Replies:** 10\ **Last updated:** [March 1, 2020, 7:08pm UTC](https://discourse.slicer.org/t/generate-cad-from-slicer-models/10477 "2020-03-01T19:08:48Z")
Hello all, Is there any way to fit NURBS or do similar tasks to convert the slicer models or segmentations into cad files? --- ## [Reading the .obj (+.mtl) brain atlas and exporting as .nii](https://discourse.slicer.org/t/reading-the-obj-mtl-brain-atlas-and-exporting-as-nii/10161)
**Author:** [@BegginerUser](https://discourse.slicer.org/u/BegginerUser)\ **Replies:** 9\ **Last updated:** [March 1, 2020, 12:26pm UTC](https://discourse.slicer.org/t/reading-the-obj-mtl-brain-atlas-and-exporting-as-nii/10161 "2020-03-01T12:26:58Z")
Hello, I decided to use a Slicer in order to make a brain atlas conversion. I exported a brain atlas which includes different brain areas with Neurolucida as .obj + .mtl file. I need to convert that atlas into nifti (… --- ## [Merging models with keeping labels](https://discourse.slicer.org/t/merging-models-with-keeping-labels/10479)
**Author:** [@Aep93](https://discourse.slicer.org/u/Aep93)\ **Replies:** 6\ **Last updated:** [March 1, 2020, 1:54am UTC](https://discourse.slicer.org/t/merging-models-with-keeping-labels/10479 "2020-03-01T01:54:26Z")
Hello all, How should I merge two models so that each of them has a specific label in the merged model? I tried merge models module but it does not work and I think it is because one of my models is volumetric. --- ## [SimpleFilters (BinaryThinningImageFilter) not working in latest MacOS build?](https://discourse.slicer.org/t/simplefilters-binarythinningimagefilter-not-working-in-latest-macos-build/10403)
**Author:** [@hherhold](https://discourse.slicer.org/u/hherhold)\ **Replies:** 6\ **Last updated:** [February 29, 2020, 7:03pm UTC](https://discourse.slicer.org/t/simplefilters-binarythinningimagefilter-not-working-in-latest-macos-build/10403 "2020-02-29T19:03:48Z")
I’m trying to run BinaryThinningImageFilter on the CTACardio dataset. (Tried it on my own dataset and it didn’t work either, so I figured I’d try a sample dataset.) Load CTACardio Select “Simple Filters” Select “Binary… --- ## [Fcsv read performance is low (but not when importing as csv)](https://discourse.slicer.org/t/fcsv-read-performance-is-low-but-not-when-importing-as-csv/10421)
**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\ **Replies:** 4\ **Last updated:** [February 28, 2020, 9:31pm UTC](https://discourse.slicer.org/t/fcsv-read-performance-is-low-but-not-when-importing-as-csv/10421 "2020-02-28T21:31:26Z")
I have a fcsv file with 1000 points in it. If I load this into Slicer it takes about couple minutes to import. If I rename it to as csv, strip the first two rows, and load it (as a table), its instantaneous. I assume th… --- ## [Error 'tf' not found](https://discourse.slicer.org/t/error-tf-not-found/10442)
**Author:** [@tkt8](https://discourse.slicer.org/u/tkt8)\ **Replies:** 4\ **Last updated:** [February 28, 2020, 7:34pm UTC](https://discourse.slicer.org/t/error-tf-not-found/10442 "2020-02-28T19:34:30Z")
I have installed tensorflow in the night build. And I am importing tensorflow as tf in my code. But I get an error stating “tf” not found. This is solved by importing tensorflow as tf in the python interpreter. Can you p… --- ## [Bug when "level tracing line" extends to the segmentation boundary?](https://discourse.slicer.org/t/bug-when-level-tracing-line-extends-to-the-segmentation-boundary/10462)
**Author:** [@eyjolfur](https://discourse.slicer.org/u/eyjolfur)\ **Replies:** 4\ **Last updated:** [February 28, 2020, 4:55pm UTC](https://discourse.slicer.org/t/bug-when-level-tracing-line-extends-to-the-segmentation-boundary/10462 "2020-02-28T16:55:56Z")
I’m segmenting a CT scan using level tracing with Slicer 4.11.0-2020-02-11. When the yellow “level tracing line,” which indicates what pixels will be included once the level tracing is applied, extends to the boundary o… --- ## [Control DICOMUtils.loadPatientByUID](https://discourse.slicer.org/t/control-dicomutils-loadpatientbyuid/10425)
**Author:** [@Alex\_Vergara](https://discourse.slicer.org/u/Alex_Vergara)\ **Replies:** 2\ **Last updated:** [February 27, 2020, 10:50am UTC](https://discourse.slicer.org/t/control-dicomutils-loadpatientbyuid/10425 "2020-02-27T10:50:00Z")
Currently when loading patients in a test environment I do as: def setupDICOM(): ''' Setup a complex environment based on the loaded dicom files ''' logger = logging.getLogger('Dosimetry4D.testbuilder') … --- ## [Error about DCMTK in Building Slicer from source](https://discourse.slicer.org/t/error-about-dcmtk-in-building-slicer-from-source/10454)
**Author:** [@Akash23](https://discourse.slicer.org/u/Akash23)\ **Replies:** 1\ **Last updated:** [February 27, 2020, 4:40am UTC](https://discourse.slicer.org/t/error-about-dcmtk-in-building-slicer-from-source/10454 "2020-02-27T04:40:07Z")
Dear all, Could you help me solve my problem as follows please? Operating system: Ubuntu 18 (subsystem of windows 10) Slicer version: pulled most recent commit gcc/g++ version: 7.4 Qt version: 5.14 cmake version: 3… --- ## [Coloring individual triangles in triangulated surface model of segmentation](https://discourse.slicer.org/t/coloring-individual-triangles-in-triangulated-surface-model-of-segmentation/10279)
**Author:** [@ifried01](https://discourse.slicer.org/u/ifried01)\ **Replies:** 9\ **Last updated:** [February 26, 2020, 10:58pm UTC](https://discourse.slicer.org/t/coloring-individual-triangles-in-triangulated-surface-model-of-segmentation/10279 "2020-02-26T22:58:25Z")
Hi Everyone, I am wondering if it is possible to color individual triangles in the triangulated surface model of a segmentation? In other words, when I click “w” in Slicer and I see my segmentation as a triangulated mes… --- ## [How to measure length long bones in a reproductible way?](https://discourse.slicer.org/t/how-to-measure-length-long-bones-in-a-reproductible-way/10447)
**Author:** [@Tijigame](https://discourse.slicer.org/u/Tijigame)\ **Replies:** 2\ **Last updated:** [February 26, 2020, 10:33pm UTC](https://discourse.slicer.org/t/how-to-measure-length-long-bones-in-a-reproductible-way/10447 "2020-02-26T22:33:32Z")
Hi, i have to segment fetal bone and measure their volume, surface area and length. Thanks to Segmentation statistics i can have access to the volume and the surface area of segmented bones, however i don’t find a way to… [Previous page](https://discourse.slicer.org/c/support/11.md?page=349) [Next page](https://discourse.slicer.org/c/support/11.md?page=351)