# Support **URL:** https://discourse.slicer.org/c/support/11.md?page=232 [Latest](https://discourse.slicer.org/latest.md) · [Categories](https://discourse.slicer.org/categories.md) · [Tags](https://discourse.slicer.org/tags.md) **Page:** 233 --- ## [Unable to open extension in 3DSlicer](https://discourse.slicer.org/t/unable-to-open-extension-in-3dslicer/22600)
**Author:** [@Aarthi\_Chand](https://discourse.slicer.org/u/Aarthi_Chand)\ **Replies:** 1\ **Last updated:** [March 19, 2022, 12:28pm UTC](https://discourse.slicer.org/t/unable-to-open-extension-in-3dslicer/22600 "2022-03-19T12:28:15Z")
After installing an extension in ‘Extensions manager’, I opened ‘Extensions Wizard\>Select Extension’ to select an extension to open in 3D slicer. but it comes with an error message reading: Failed to open extension ‘G:/… --- ## [OpenCAD segmentation issue](https://discourse.slicer.org/t/opencad-segmentation-issue/22585)
**Author:** [@malcolmlim](https://discourse.slicer.org/u/malcolmlim)\ **Replies:** 1\ **Last updated:** [March 18, 2022, 7:54pm UTC](https://discourse.slicer.org/t/opencad-segmentation-issue/22585 "2022-03-18T19:54:37Z")
Hello all, I am having issue with OpenCad extension and occured during the the final steps of “Tumor Segmentation from DCE-MRI" tutorial After designating the sample volumes (Pre, 1st-4th timepoints after DCE), I click… --- ## [Install extension](https://discourse.slicer.org/t/install-extension/21547)
**Author:** [@Linhsia\_Noferini](https://discourse.slicer.org/u/Linhsia_Noferini)\ **Replies:** 2\ **Last updated:** [March 18, 2022, 9:22am UTC](https://discourse.slicer.org/t/install-extension/21547 "2022-03-18T09:22:26Z")
Problem report for Slicer 4.13.0-2022-01-19 win-amd64: \[please describe expected and actual behavior\] Hy, when I open the install extensions tab, the slider at the bottom says 100% but the page appears white, I cannot … --- ## [Alpaca error in 'Run Subsampling'](https://discourse.slicer.org/t/alpaca-error-in-run-subsampling/22552)
**Author:** [@Christianne](https://discourse.slicer.org/u/Christianne)\ **Replies:** 1\ **Last updated:** [March 17, 2022, 5:33pm UTC](https://discourse.slicer.org/t/alpaca-error-in-run-subsampling/22552 "2022-03-17T17:33:56Z")
Operating system: Windows 11 Slicer version: 4.13.0-2022-03-10 Expected behavior: Run subsampling Actual behavior: Error in running subsampling Hi all, I’m new to SlicerMorph. I downloaded it a few days ago, but unf… --- ## [There is no "export as" option](https://discourse.slicer.org/t/there-is-no-export-as-option/22565)
**Author:** [@dartcesan](https://discourse.slicer.org/u/dartcesan)\ **Replies:** 1\ **Last updated:** [March 17, 2022, 3:33pm UTC](https://discourse.slicer.org/t/there-is-no-export-as-option/22565 "2022-03-17T15:33:49Z")
Hi everyone. I am trying to export some data from the “data” module however, when I right click the fiduciary I can only see the “export DICOM” option. When I downloaded slicer morph I seem to recall some warning about … --- ## [SlicerOpenCV on Linux](https://discourse.slicer.org/t/sliceropencv-on-linux/22560)
**Author:** [@Karl-Philippe](https://discourse.slicer.org/u/Karl-Philippe)\ **Replies:** 2\ **Last updated:** [March 17, 2022, 12:38pm UTC](https://discourse.slicer.org/t/sliceropencv-on-linux/22560 "2022-03-17T12:38:26Z")
Hello, Is the SlicerOpenCV extension available on Linux? I don’t see this extension in the extension manager of versions 4.11 and 4.13 on Linux while I see that SlicerOpenCV is available in the extension manager of Slic… --- ## [Save a binary segmentation of the surface voxels of a segment.](https://discourse.slicer.org/t/save-a-binary-segmentation-of-the-surface-voxels-of-a-segment/22542)
**Author:** [@Steven\_A](https://discourse.slicer.org/u/Steven_A)\ **Replies:** 2\ **Last updated:** [March 17, 2022, 7:09am UTC](https://discourse.slicer.org/t/save-a-binary-segmentation-of-the-surface-voxels-of-a-segment/22542 "2022-03-17T07:09:57Z")
Hello, I am wondering if there is a method to save a binary labelmap of the surface voxels of a segment? If I’m not mistaken, there was a method to do this, but I don’t remember how. --- ## [How to limit "Grow from seeds" to a particular region?](https://discourse.slicer.org/t/how-to-limit-grow-from-seeds-to-a-particular-region/22516)
**Author:** [@mdear](https://discourse.slicer.org/u/mdear)\ **Replies:** 2\ **Last updated:** [March 16, 2022, 9:59pm UTC](https://discourse.slicer.org/t/how-to-limit-grow-from-seeds-to-a-particular-region/22516 "2022-03-16T21:59:57Z")
Hello, I’m having a lot of trouble with my trachea / tracheostomy tube stoma segmentation. I want to segment the air inside the tube/stoma but the grow from seeds is spilling out into all the air outside the body and c… --- ## [Saving overlayed images ](https://discourse.slicer.org/t/saving-overlayed-images/22503)
**Author:** [@Prisc](https://discourse.slicer.org/u/Prisc)\ **Replies:** 10\ **Last updated:** [March 16, 2022, 8:47pm UTC](https://discourse.slicer.org/t/saving-overlayed-images/22503 "2022-03-16T20:47:13Z")
Hello, I need help please! I have loaded 2 sets of data MRI and CTscans. The MRI is visible:show in slice views as foreground and the CT scan is in the background. (data module) I have translated one volume so they c… --- ## [Advice for (Semi-) Automated Segmentation of Neurovasculature](https://discourse.slicer.org/t/advice-for-semi-automated-segmentation-of-neurovasculature/22545)
**Author:** [@jdh](https://discourse.slicer.org/u/jdh)\ **Replies:** 1\ **Last updated:** [March 16, 2022, 7:39pm UTC](https://discourse.slicer.org/t/advice-for-semi-automated-segmentation-of-neurovasculature/22545 "2022-03-16T19:39:16Z")
Hello, I have been using Slicer to segment the neurovasculature from MRI datasets of several patients. The focus is on the vessels of the circle of Willis, but I also need to include some of the smaller/darker periphera… --- ## [Registration Deformation Export](https://discourse.slicer.org/t/registration-deformation-export/5197)
**Author:** [@miniBin](https://discourse.slicer.org/u/miniBin)\ **Replies:** 34\ **Last updated:** [August 14, 2019, 1:33pm UTC](https://discourse.slicer.org/t/registration-deformation-export/5197 "2019-08-14T13:33:01Z")
I am doing the example from the Slicer Sequence Registration Module found online (https://github.com/moselhy/SlicerSequenceRegistration). I can visualize the results but how do I export them? How do I know how many nod… --- ## [How can get id slice?](https://discourse.slicer.org/t/how-can-get-id-slice/22521)
**Author:** [@nicdubovic](https://discourse.slicer.org/u/nicdubovic)\ **Replies:** 14\ **Last updated:** [March 15, 2022, 6:52pm UTC](https://discourse.slicer.org/t/how-can-get-id-slice/22521 "2022-03-15T18:52:46Z")
I try to get id slices when using tools in the SegmentEditor module. How can I get it? --- ## [Export formats for markups](https://discourse.slicer.org/t/export-formats-for-markups/16278)
**Author:** [@anromero](https://discourse.slicer.org/u/anromero)\ **Replies:** 19\ **Last updated:** [March 15, 2022, 3:59pm UTC](https://discourse.slicer.org/t/export-formats-for-markups/16278 "2022-03-15T15:59:41Z")
Could someone please explain the difference between the export options for fixed landmarks (fiducials) and semiLM patches in 3D Slicer? I’m not familiar with the .mrk.json, .json, .fcsv, and \*.fcsv formats or the advanta… --- ## [OpenCad 3D Slicer - Breast DCE MRI](https://discourse.slicer.org/t/opencad-3d-slicer-breast-dce-mri/5172)
**Author:** [@fitouss](https://discourse.slicer.org/u/fitouss)\ **Replies:** 6\ **Last updated:** [March 15, 2022, 5:48am UTC](https://discourse.slicer.org/t/opencad-3d-slicer-breast-dce-mri/5172 "2022-03-15T05:48:46Z")
Hello, I’m new with 3D slicer. I have a problem on SegmentCad on 3d Slicer with the last step of the tutorial https://www.slicer.org/w/images/d/d2/SegmentCADTutorial.pptx (page 20) When i try to generate the “SegmentC… --- ## [How to transfer a group of DICOM images into NRRD format](https://discourse.slicer.org/t/how-to-transfer-a-group-of-dicom-images-into-nrrd-format/22492)
**Author:** [@LIE\_CAI](https://discourse.slicer.org/u/LIE_CAI)\ **Replies:** 2\ **Last updated:** [March 15, 2022, 2:30am UTC](https://discourse.slicer.org/t/how-to-transfer-a-group-of-dicom-images-into-nrrd-format/22492 "2022-03-15T02:30:35Z")
For example, I have a group of files, Each file has a series of DICOM images, I’d like to tranfer them into NRRD format, Is it possible to achieve it automatically in 3D slicers? Thanks a lot ! --- ## [3 Hi Res are in different volumes](https://discourse.slicer.org/t/3-hi-res-are-in-different-volumes/21996)
**Author:** [@Alejandro\_Terrado](https://discourse.slicer.org/u/Alejandro_Terrado)\ **Replies:** 3\ **Last updated:** [March 14, 2022, 10:00pm UTC](https://discourse.slicer.org/t/3-hi-res-are-in-different-volumes/21996 "2022-03-14T22:00:13Z")
Hi, once again I’m facing with this issue that I couldn’t surpass before. Even following all the indications in other posts similar to this. Can someone help on having the 3 hi resolution axes in one master. This is for… --- ## [Skull segmentation issues (no Erase, Scissors, Islands functions working)](https://discourse.slicer.org/t/skull-segmentation-issues-no-erase-scissors-islands-functions-working/22235)
**Author:** [@Kevin\_Wendo](https://discourse.slicer.org/u/Kevin_Wendo)\ **Replies:** 13\ **Last updated:** [March 14, 2022, 8:36pm UTC](https://discourse.slicer.org/t/skull-segmentation-issues-no-erase-scissors-islands-functions-working/22235 "2022-03-14T20:36:18Z")
Dear All, I hope you are well. I am looking for some help to achieve the segmentation of a skull based on CT data (CBCT) for dentistry purposes. For some reasons that I cannot explain, I am not able to get rid of the … --- ## [ProbeVolumeWithModel produces wrong output in code](https://discourse.slicer.org/t/probevolumewithmodel-produces-wrong-output-in-code/22485)
**Author:** [@Muhammed\_Fatih\_Talu](https://discourse.slicer.org/u/Muhammed_Fatih_Talu)\ **Replies:** 7\ **Last updated:** [March 14, 2022, 4:12pm UTC](https://discourse.slicer.org/t/probevolumewithmodel-produces-wrong-output-in-code/22485 "2022-03-14T16:12:33Z")
When I use the GUI of the ProbeVolumeWithModel, there is no problem. It does great coloring. But, when I want to do the same with the following codes, it runs and produces a plane output. Why? # Inputs InputModelNode… --- ## [Export segmentation contour from cine-mri images (one single time frame)](https://discourse.slicer.org/t/export-segmentation-contour-from-cine-mri-images-one-single-time-frame/22411)
**Author:** [@MSensale](https://discourse.slicer.org/u/MSensale)\ **Replies:** 3\ **Last updated:** [March 14, 2022, 2:22pm UTC](https://discourse.slicer.org/t/export-segmentation-contour-from-cine-mri-images-one-single-time-frame/22411 "2022-03-14T14:22:40Z")
Hi 3D Slicer Community ! My name is Marco and I am a PhD student passionated about medical images based modelling. I would like to ask support about exporting the segmentation contour of a mask. I am working with cine… --- ## [How to update the state of checkbox when switching input volume node](https://discourse.slicer.org/t/how-to-update-the-state-of-checkbox-when-switching-input-volume-node/21771)
**Author:** [@PhilipDavis](https://discourse.slicer.org/u/PhilipDavis)\ **Replies:** 9\ **Last updated:** [March 14, 2022, 1:55pm UTC](https://discourse.slicer.org/t/how-to-update-the-state-of-checkbox-when-switching-input-volume-node/21771 "2022-03-14T13:55:48Z")
Hi there, I’m new to 3D Slicer and now I’m developing a Python scripted module. Currently, I’m trying to add a checkbox to control the display of the ROI bounding box in the volume rendering scene, which is actually th… --- ## [Slicer Remote access](https://discourse.slicer.org/t/slicer-remote-access/3148)
**Author:** [@anandmulay3](https://discourse.slicer.org/u/anandmulay3)\ **Replies:** 7\ **Last updated:** [June 14, 2018, 1:12pm UTC](https://discourse.slicer.org/t/slicer-remote-access/3148 "2018-06-14T13:12:16Z")
Slicer is not running when we try to access it through remote desktop service, but its working if we working on the same machine (PC). does it require any permission ?? --- ## [slow segment-editor's grow-from-seeds initialization for liver segmentation](https://discourse.slicer.org/t/slow-segment-editors-grow-from-seeds-initialization-for-liver-segmentation/22479)
**Author:** [@hju](https://discourse.slicer.org/u/hju)\ **Replies:** 4\ **Last updated:** [March 14, 2022, 2:46am UTC](https://discourse.slicer.org/t/slow-segment-editors-grow-from-seeds-initialization-for-liver-segmentation/22479 "2022-03-14T02:46:12Z")
Operating system: Windows 10 Slicer version: 4.13.0-2021-12-21, 4.11.20210226 Expected behavior: faster performance Actual behavior: I’m trying to use Segment Editor’s Grow-From-Seeds to segment liver on abdominal CT… --- ## [OpenAnatomy gltf changing mesh colors](https://discourse.slicer.org/t/openanatomy-gltf-changing-mesh-colors/21655)
**Author:** [@tsehrhardt](https://discourse.slicer.org/u/tsehrhardt)\ **Replies:** 2\ **Last updated:** [March 14, 2022, 2:38am UTC](https://discourse.slicer.org/t/openanatomy-gltf-changing-mesh-colors/21655 "2022-03-14T02:38:46Z")
I downloaded the latest preview release to try the updated OpenAnatomy GLTF export to view in 3Dviewer.net and Sketchfab. It works well but it’s changing my selected colors. For example, if I have an RGB of 177, 122, 101… --- ## [Exporting Segmentation to OBJ and 3D Viewer](https://discourse.slicer.org/t/exporting-segmentation-to-obj-and-3d-viewer/22404)
**Author:** [@Eserval](https://discourse.slicer.org/u/Eserval)\ **Replies:** 4\ **Last updated:** [March 13, 2022, 10:48pm UTC](https://discourse.slicer.org/t/exporting-segmentation-to-obj-and-3d-viewer/22404 "2022-03-13T22:48:49Z")
Hello everyone, Hello everyone, I’m having a problem exporting the slicers to OBJ file. I believe there is an error in the lighting and transparency settings during the creation of the OBJ file. When loading the file … --- ## [Cannot load DICOM file](https://discourse.slicer.org/t/cannot-load-dicom-file/22460)
**Author:** [@zmm-slicer](https://discourse.slicer.org/u/zmm-slicer)\ **Replies:** 6\ **Last updated:** [March 13, 2022, 8:30am UTC](https://discourse.slicer.org/t/cannot-load-dicom-file/22460 "2022-03-13T08:30:52Z")
When I upload some sequence DICOM files, an error was displayed:- Error: Loading C:/Users/zmm/Desktop/3D-slicer/00435240-20160729/03ef60b7.dcm - load failed. Error: Loading C:/Users/zmm/Desktop/3D-slicer/00435240-201607… --- ## [creating an unstructured grid (ascii) with surface elements, volume and points](https://discourse.slicer.org/t/creating-an-unstructured-grid-ascii-with-surface-elements-volume-and-points/22459)
**Author:** [@oliver\_gruhn](https://discourse.slicer.org/u/oliver_gruhn)\ **Replies:** 1\ **Last updated:** [March 13, 2022, 5:40am UTC](https://discourse.slicer.org/t/creating-an-unstructured-grid-ascii-with-surface-elements-volume-and-points/22459 "2022-03-13T05:40:11Z")
Dear Slicer Team, dear Slicer community i am working on a monte carlo simulation on soft tissue analysis including Slicer. For the last weeks I tried to find a solution for the upcoming issue that I hope you can help m… --- ## [Importing Dicom Directory via Temporary Database](https://discourse.slicer.org/t/importing-dicom-directory-via-temporary-database/11013)
**Author:** [@Queen\_Rei](https://discourse.slicer.org/u/Queen_Rei)\ **Replies:** 18\ **Last updated:** [March 13, 2022, 5:26am UTC](https://discourse.slicer.org/t/importing-dicom-directory-via-temporary-database/11013 "2022-03-13T05:26:43Z")
Hiya! I am trying to get the module I put together to run on the start-up of 3DSlicer. Right now I am getting the following error: File "Z:/SegmentDicom/SegmentDicom/SegmentDicom/SegmentDicom.py", line 103, in LoadSeg… --- ## [Axial slides missing](https://discourse.slicer.org/t/axial-slides-missing/21918)
**Author:** [@HodaGH](https://discourse.slicer.org/u/HodaGH)\ **Replies:** 5\ **Last updated:** [March 13, 2022, 5:00am UTC](https://discourse.slicer.org/t/axial-slides-missing/21918 "2022-03-13T05:00:09Z")
Hi, I have .AIM files of murine caudal vasculature from Scanco micro-CT which I opened with imagej , changed it to .NRRD and was able to open it in Slicer based on this discussion. The image looks ok in imagej and also … --- ## [Volumertric painting is possible or not](https://discourse.slicer.org/t/volumertric-painting-is-possible-or-not/21317)
**Author:** [@davide445](https://discourse.slicer.org/u/davide445)\ **Replies:** 7\ **Last updated:** [March 13, 2022, 4:53am UTC](https://discourse.slicer.org/t/volumertric-painting-is-possible-or-not/21317 "2022-03-13T04:53:14Z")
For a project was looking a way to add anatomic structures details (i.e. tissue histology) directly starting from a CT/MR, to be used for education, analysis and simulation using realtime 3d rendering. In 3d Slicer you … --- ## [Remove Selected Island in 3D view?](https://discourse.slicer.org/t/remove-selected-island-in-3d-view/1391)
**Author:** [@hherhold](https://discourse.slicer.org/u/hherhold)\ **Replies:** 4\ **Last updated:** [March 13, 2022, 4:39am UTC](https://discourse.slicer.org/t/remove-selected-island-in-3d-view/1391 "2022-03-13T04:39:34Z")
“Remove Selected Island” is one of my most often-used features - I rely on it heavily. Is there a reason it’s not implemented in the 3D view like some of the other tools (paint, scissors, eraser)? I’d be curious to take… [Previous page](https://discourse.slicer.org/c/support/11.md?page=231) [Next page](https://discourse.slicer.org/c/support/11.md?page=233)