# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=293

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

**Page:** 294

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## [Can't load dicom in 4.13 5-3-21 v](https://discourse.slicer.org/t/cant-load-dicom-in-4-13-5-3-21-v/16427)

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**Author:** [@mohammed\_alshakhas](https://discourse.slicer.org/u/mohammed_alshakhas)\
**Replies:** 1\
**Last updated:** [March 8, 2021, 4:10pm UTC](https://discourse.slicer.org/t/cant-load-dicom-in-4-13-5-3-21-v/16427 "2021-03-08T16:10:08Z")

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cant load dicome , the follwing error comes up

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## [How to visualize volumetric mesh?](https://discourse.slicer.org/t/how-to-visualize-volumetric-mesh/16392)

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**Author:** [@Giovanni\_Cunha](https://discourse.slicer.org/u/Giovanni_Cunha)\
**Replies:** 2\
**Last updated:** [March 8, 2021, 1:30pm UTC](https://discourse.slicer.org/t/how-to-visualize-volumetric-mesh/16392 "2021-03-08T13:30:15Z")

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Hi everyone I am sorry about this question, But after generate the Mesh with the Segment Mesher, How can I visualize the Volumetric Mesh created?

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## [Need help with segmentation of image stack](https://discourse.slicer.org/t/need-help-with-segmentation-of-image-stack/16415)

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**Author:** [@11142](https://discourse.slicer.org/u/11142)\
**Replies:** 8\
**Last updated:** [March 8, 2021, 10:33am UTC](https://discourse.slicer.org/t/need-help-with-segmentation-of-image-stack/16415 "2021-03-08T10:33:50Z")

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Hi, have you solved your problem now? I NEED HELP :sob:

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## [Cannot install Slicer](https://discourse.slicer.org/t/cannot-install-slicer/16413)

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**Author:** [@Quiq\_Protesis](https://discourse.slicer.org/u/Quiq_Protesis)\
**Replies:** 1\
**Last updated:** [March 8, 2021, 3:28am UTC](https://discourse.slicer.org/t/cannot-install-slicer/16413 "2021-03-08T03:28:19Z")

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Operating system:Ubuntu 20.04.2 LTS Slicer version: 4.11.20210226 Expected behavior: no install Actual behavior:no install

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## [Creating 3D surface models from slice image sets](https://discourse.slicer.org/t/creating-3d-surface-models-from-slice-image-sets/3980)

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**Author:** [@johnqeniac](https://discourse.slicer.org/u/johnqeniac)\
**Replies:** 3\
**Last updated:** [September 4, 2018, 5:03pm UTC](https://discourse.slicer.org/t/creating-3d-surface-models-from-slice-image-sets/3980 "2018-09-04T17:03:53Z")

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Operating system: macOS Sierra 10.12.6 Slicer version: 4.8.1 r26813 Expected behavior: not sure Actual behavior: not sure My motivation for trying Slicer is that I wanted to create a 3D surface model from a set of sl…

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## [ERROR -can  not download .........as scalar volume](https://discourse.slicer.org/t/error-can-not-download-as-scalar-volume/16406)

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**Author:** [@zaineb\_chiha](https://discourse.slicer.org/u/zaineb_chiha)\
**Replies:** 6\
**Last updated:** [March 7, 2021, 1:27pm UTC](https://discourse.slicer.org/t/error-can-not-download-as-scalar-volume/16406 "2021-03-07T13:27:10Z")

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Operating system:ubuntu Slicer version:Slicer-4.11.20200930-linux-amd64 Expected behavior: load slices to visualizate it Actual behavior:ERROR -can not download …as scalar volume i can not find the DICOM patcher as…

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## [I want to boot up with my very own color map and a black background](https://discourse.slicer.org/t/i-want-to-boot-up-with-my-very-own-color-map-and-a-black-background/16383)

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**Author:** [@Fishguy](https://discourse.slicer.org/u/Fishguy)\
**Replies:** 10\
**Last updated:** [March 6, 2021, 9:26pm UTC](https://discourse.slicer.org/t/i-want-to-boot-up-with-my-very-own-color-map-and-a-black-background/16383 "2021-03-06T21:26:16Z")

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Operating system:OSX Slicer version:4.11.20200930 Hoped for behavior: Boots with black background in Volume Rendering and either has VolumeProperty\_MINE loaded up or on the default list of Presets. Actual behavior:Boo…

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## [How to fix volume issue using CTlungAnalyser extension](https://discourse.slicer.org/t/how-to-fix-volume-issue-using-ctlunganalyser-extension/16347)

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**Author:** [@full\_stack\_master](https://discourse.slicer.org/u/full_stack_master)\
**Replies:** 7\
**Last updated:** [March 4, 2021, 2:47am UTC](https://discourse.slicer.org/t/how-to-fix-volume-issue-using-ctlunganalyser-extension/16347 "2021-03-04T02:47:58Z")

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I have imported the Ct lung analyser extension with the extension mode because I can not find the module in extensions. And when I run this module, I have found the issue self.resampledVolume = slicer.mrmlScene.AddNewN…

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## [VirtualFractureReconstructionSlicerExtension](https://discourse.slicer.org/t/virtualfracturereconstructionslicerextension/16396)

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**Author:** [@Bingshan\_Yan](https://discourse.slicer.org/u/Bingshan_Yan)\
**Replies:** 0\
**Last updated:** [March 6, 2021, 1:48am UTC](https://discourse.slicer.org/t/virtualfracturereconstructionslicerextension/16396 "2021-03-06T01:48:49Z")

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Dear Slicers, The VirtualFractureReconstruction extension implements modules do not work(fracture reduction). How can I use one extension to reduce the fracture? Thanks

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## [SegmentComparison hausdorff metric](https://discourse.slicer.org/t/segmentcomparison-hausdorff-metric/16387)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 4\
**Last updated:** [March 5, 2021, 11:15pm UTC](https://discourse.slicer.org/t/segmentcomparison-hausdorff-metric/16387 "2021-03-05T23:15:06Z")

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Is the Hausdorff 95% means the value at 95th percentile?

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## [Hardware suggestion and graphic cards (Ubuntu or MacOS)](https://discourse.slicer.org/t/hardware-suggestion-and-graphic-cards-ubuntu-or-macos/14348)

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**Author:** [@Marco](https://discourse.slicer.org/u/Marco)\
**Replies:** 18\
**Last updated:** [March 5, 2021, 7:01pm UTC](https://discourse.slicer.org/t/hardware-suggestion-and-graphic-cards-ubuntu-or-macos/14348 "2021-03-05T19:01:32Z")

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New user here. I work as a neuroradiologist and love to create 3D models for teaching and research. The work that the developer are doing with this software is awesome. I currently use 3D Slicer on a small desktop (In…

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## [Rendering Text in VR mode](https://discourse.slicer.org/t/rendering-text-in-vr-mode/16343)

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**Author:** [@Raj\_Kumar\_Ranabhat](https://discourse.slicer.org/u/Raj_Kumar_Ranabhat)\
**Replies:** 3\
**Last updated:** [March 5, 2021, 6:33pm UTC](https://discourse.slicer.org/t/rendering-text-in-vr-mode/16343 "2021-03-05T18:33:16Z")

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Is it possible to render a scripted text or message in Virtual Reality Environment in addition with Rendered label map Model ?

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## [Convert a surface mesh to a volumetric mesh in 3D Slicer](https://discourse.slicer.org/t/convert-a-surface-mesh-to-a-volumetric-mesh-in-3d-slicer/1416)

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**Author:** [@Van\_Sy](https://discourse.slicer.org/u/Van_Sy)\
**Replies:** 23\
**Last updated:** [December 9, 2020, 2:05pm UTC](https://discourse.slicer.org/t/convert-a-surface-mesh-to-a-volumetric-mesh-in-3d-slicer/1416 "2020-12-09T14:05:03Z")

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Hello everyone, When I use 3D SLICER, I only have a surface mesh in here. But, I want to do this file in a Finite Element Sofware, I need a volumetric mesh. Can you tell me how to convert a surface mesh to a volumetric…

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## [Installing extensions in binary distribution of Slicer](https://discourse.slicer.org/t/installing-extensions-in-binary-distribution-of-slicer/7511)

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**Author:** [@tbillah](https://discourse.slicer.org/u/tbillah)\
**Replies:** 25\
**Last updated:** [March 5, 2021, 2:18pm UTC](https://discourse.slicer.org/t/installing-extensions-in-binary-distribution-of-slicer/7511 "2021-03-05T14:18:22Z")

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I need to install a few extensions like SlicerDMRI and make it available for everyone at my office. On Partner’s cluster environment, compiling Slicer from source code with desirable .s4ext files, isn’t the best option. …

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## [How should I order a CT or MR for Best results? Having problems with multiple series when loading to 3D Slicer](https://discourse.slicer.org/t/how-should-i-order-a-ct-or-mr-for-best-results-having-problems-with-multiple-series-when-loading-to-3d-slicer/16381)

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**Author:** [@chedepablo](https://discourse.slicer.org/u/chedepablo)\
**Replies:** 1\
**Last updated:** [March 4, 2021, 10:25pm UTC](https://discourse.slicer.org/t/how-should-i-order-a-ct-or-mr-for-best-results-having-problems-with-multiple-series-when-loading-to-3d-slicer/16381 "2021-03-04T22:25:15Z")

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Hello! I’m new at 3D slicer and I want to basically create Anatomical Models for research and training development (segmentation and 3D printing). I have a bunch of MR and CT Studies, each study with a number of series,…

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## [Creating new ROI like Osirix](https://discourse.slicer.org/t/creating-new-roi-like-osirix/16370)

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**Author:** [@titotitoide](https://discourse.slicer.org/u/titotitoide)\
**Replies:** 5\
**Last updated:** [March 4, 2021, 6:52pm UTC](https://discourse.slicer.org/t/creating-new-roi-like-osirix/16370 "2021-03-04T18:52:04Z")

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Hi everyone! I need help because I am quite desesperating traying to create a free lung segmentation. I have tried with segment editor --\>Draw tube, Markups, Markups to model…But no one works…I am working with severely l…

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## [Lung Lesion Analyzer giving errors in regular 3Dslicer, works properly in SlicerCIP](https://discourse.slicer.org/t/lung-lesion-analyzer-giving-errors-in-regular-3dslicer-works-properly-in-slicercip/16366)

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**Author:** [@sraina](https://discourse.slicer.org/u/sraina)\
**Replies:** 0\
**Last updated:** [March 4, 2021, 4:32pm UTC](https://discourse.slicer.org/t/lung-lesion-analyzer-giving-errors-in-regular-3dslicer-works-properly-in-slicercip/16366 "2021-03-04T16:32:19Z")

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Hi All, I am trying to use the Lung Lesion Analyzer in 3DSlicer 4.11.20210226 and upon clicking the New nodule button I do not see the option to place a seed in the nodule. It looks like this image below. However wh…

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## [Updating an extension using the python console](https://discourse.slicer.org/t/updating-an-extension-using-the-python-console/16353)

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**Author:** [@athanell](https://discourse.slicer.org/u/athanell)\
**Replies:** 1\
**Last updated:** [March 4, 2021, 1:57pm UTC](https://discourse.slicer.org/t/updating-an-extension-using-the-python-console/16353 "2021-03-04T13:57:24Z")

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Operating system: Win 10 Slicer version: 4.13.0-2021-02-17 r29718 / 5ca36fd Hello, I am trying to update the SlicerDICOMwebBrowser to it’s latest commit. I followed the directions of Update extension through the ext…

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## [How to add n RT Dose volume in 3D Slicer](https://discourse.slicer.org/t/how-to-add-n-rt-dose-volume-in-3d-slicer/16352)

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**Author:** [@aseman](https://discourse.slicer.org/u/aseman)\
**Replies:** 1\
**Last updated:** [March 4, 2021, 11:03am UTC](https://discourse.slicer.org/t/how-to-add-n-rt-dose-volume-in-3d-slicer/16352 "2021-03-04T11:03:06Z")

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Slicer version: 4.11 Hi 3d slicer experts and all I have 4 rt dose and I want to calculate the sum of them. How can I do this? Thanks a lot

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## [Brain volume using CT images](https://discourse.slicer.org/t/brain-volume-using-ct-images/16349)

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**Author:** [@Gonzalo\_Rojas\_Costa](https://discourse.slicer.org/u/Gonzalo_Rojas_Costa)\
**Replies:** 1\
**Last updated:** [March 4, 2021, 3:39am UTC](https://discourse.slicer.org/t/brain-volume-using-ct-images/16349 "2021-03-04T03:39:06Z")

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How can I compute the brain volume (brain segmentation) using CT images?

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## [Looking to calculate the surface area of peritoneal cavity via MRI / CT](https://discourse.slicer.org/t/looking-to-calculate-the-surface-area-of-peritoneal-cavity-via-mri-ct/16340)

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**Author:** [@rhughen77](https://discourse.slicer.org/u/rhughen77)\
**Replies:** 1\
**Last updated:** [March 3, 2021, 9:05pm UTC](https://discourse.slicer.org/t/looking-to-calculate-the-surface-area-of-peritoneal-cavity-via-mri-ct/16340 "2021-03-03T21:05:21Z")

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This would include the surface area of the peritoneal cavity (lining or peritoneum) itself and , if possible, the surface area of the organs inside the peritoneum. Ideally selectively by organ, also if possible. Has thi…

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## [Segmentation from axial series to sagittal series](https://discourse.slicer.org/t/segmentation-from-axial-series-to-sagittal-series/16334)

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**Author:** [@linhu](https://discourse.slicer.org/u/linhu)\
**Replies:** 1\
**Last updated:** [March 3, 2021, 8:48pm UTC](https://discourse.slicer.org/t/segmentation-from-axial-series-to-sagittal-series/16334 "2021-03-03T20:48:10Z")

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Operating system: Windows 10 Slicer version: Slicer 4.11.20200930 Hi guys, I have both the axial and sagittal DICOM series with the same Frame of Reference UID, so they are spatially related. I also have an .nrrd file…

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## [Segmenting canine turbinates using mask volume](https://discourse.slicer.org/t/segmenting-canine-turbinates-using-mask-volume/15928)

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**Author:** [@Dexter777](https://discourse.slicer.org/u/Dexter777)\
**Replies:** 19\
**Last updated:** [March 3, 2021, 7:22pm UTC](https://discourse.slicer.org/t/segmenting-canine-turbinates-using-mask-volume/15928 "2021-03-03T19:22:12Z")

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Hi everyone, I want to segment the turbinates from a canine. Turbinates are typically thin interconnected tissue/bone . I’m using the mask volume segmentation tool & Paint to isolate the turbinates from the bones of the…

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## [How to create 3D from 2D slices?](https://discourse.slicer.org/t/how-to-create-3d-from-2d-slices/16320)

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**Author:** [@Akeem\_Azeez](https://discourse.slicer.org/u/Akeem_Azeez)\
**Replies:** 6\
**Last updated:** [March 3, 2021, 7:11pm UTC](https://discourse.slicer.org/t/how-to-create-3d-from-2d-slices/16320 "2021-03-03T19:11:11Z")

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Operating system: MacOS Slicer version:4.11.20210226 Expected behavior: Actual behavior: I want to reconstruct 10 2D images to 3D. I have tried MatLab but I am having difficulties interpolating the gaps in between th…

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## [New experimental feature: Boolean operations (union, intersection, difference) on meshes](https://discourse.slicer.org/t/new-experimental-feature-boolean-operations-union-intersection-difference-on-meshes/16048)

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**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Replies:** 7\
**Last updated:** [March 3, 2021, 2:48am UTC](https://discourse.slicer.org/t/new-experimental-feature-boolean-operations-union-intersection-difference-on-meshes/16048 "2021-03-03T02:48:30Z")

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We have added a new module - Combine models - to Sandbox extension to compute union, intersection, or subtraction operations on models (surface meshes). This can be used to construct surgical guides and various other pa…

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## [Robex Brain Extraction Extension will not install](https://discourse.slicer.org/t/robex-brain-extraction-extension-will-not-install/6779)

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**Author:** [@lr3d](https://discourse.slicer.org/u/lr3d)\
**Replies:** 2\
**Last updated:** [March 2, 2021, 11:49pm UTC](https://discourse.slicer.org/t/robex-brain-extraction-extension-will-not-install/6779 "2021-03-02T23:49:22Z")

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Operating system:Windows Slicer version: 4.10.1 r27931 Expected behavior: Installation of extension Actual behavior: Extensions Manager will not respond I have tried multiple times to install the Robex Brain Extracti…

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## [Unable to view vtk file in slicer](https://discourse.slicer.org/t/unable-to-view-vtk-file-in-slicer/16294)

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**Author:** [@akshay\_pillai](https://discourse.slicer.org/u/akshay_pillai)\
**Replies:** 8\
**Last updated:** [March 2, 2021, 10:35pm UTC](https://discourse.slicer.org/t/unable-to-view-vtk-file-in-slicer/16294 "2021-03-02T22:35:51Z")

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Operating system: windows 10 Slicer version: 4.11 Expected behavior: Actual behavior: I am able to view this vtk file using paraview under points gaussian but not when I upload this to slicer. Is there a reason I am …

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## [Ffmpeg breaks portability of Slicer folder](https://discourse.slicer.org/t/ffmpeg-breaks-portability-of-slicer-folder/16314)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 5\
**Last updated:** [March 2, 2021, 9:17pm UTC](https://discourse.slicer.org/t/ffmpeg-breaks-portability-of-slicer-folder/16314 "2021-03-02T21:17:03Z")

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ffmpeg is still installed under appdata/roaming/NA-MIC/ffmpeg in the latest stable, breaking the portability of the Slicer folder. Can this be changed to the Slicer folder like the rest of the extensions? Export to vid…

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## [saveNode doesn't work properly](https://discourse.slicer.org/t/savenode-doesnt-work-properly/16308)

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**Author:** [@user20s](https://discourse.slicer.org/u/user20s)\
**Replies:** 0\
**Last updated:** [March 2, 2021, 3:00pm UTC](https://discourse.slicer.org/t/savenode-doesnt-work-properly/16308 "2021-03-02T15:00:59Z")

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Operating system: Linux Ubuntu 18.04.5 LTS Slicer version: 4.11.20210226-linux-amd64 Expected behavior: saving a nifti file using saveNode Actual behavior: not saving Hi all, I have a code written in python which sho…

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## [Segment editor tools arrangement](https://discourse.slicer.org/t/segment-editor-tools-arrangement/16285)

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**Author:** [@mohammed\_alshakhas](https://discourse.slicer.org/u/mohammed_alshakhas)\
**Replies:** 11\
**Last updated:** [March 2, 2021, 5:33am UTC](https://discourse.slicer.org/t/segment-editor-tools-arrangement/16285 "2021-03-02T05:33:47Z")

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im newly using the preview version , and one thing i definitely don’t like is the tools arrangement im so used to the old one , work perfect with keyboard shortcuts and all now im keeping hitting 1 for paint and gettin…

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