# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=365

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

**Page:** 366

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## [Can edite geometry in 3d slicer?](https://discourse.slicer.org/t/can-edite-geometry-in-3d-slicer/8971)

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**Author:** [@adele1371](https://discourse.slicer.org/u/adele1371)\
**Replies:** 1\
**Last updated:** [October 31, 2019, 1:37pm UTC](https://discourse.slicer.org/t/can-edite-geometry-in-3d-slicer/8971 "2019-10-31T13:37:04Z")

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can edite geometry in 3d slicer? I want fill holes and smooth spike

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## [Buttonwidget can't interaction](https://discourse.slicer.org/t/buttonwidget-cant-interaction/8965)

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**Author:** [@pingdan](https://discourse.slicer.org/u/pingdan)\
**Replies:** 1\
**Last updated:** [October 31, 2019, 11:08am UTC](https://discourse.slicer.org/t/buttonwidget-cant-interaction/8965 "2019-10-31T11:08:44Z")

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I created a buttonwidget, when I set the buttonwidget on the rightupper view, it works well, when I click the button, the yellow color and the orange color changed .but when I set the buttonwidget on a leftbottom view, t…

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## [No extensions in Extension Manager - 4.11.0 windows build (Nightly Also)](https://discourse.slicer.org/t/no-extensions-in-extension-manager-4-11-0-windows-build-nightly-also/8912)

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**Author:** [@lausiv](https://discourse.slicer.org/u/lausiv)\
**Replies:** 7\
**Last updated:** [October 31, 2019, 4:14am UTC](https://discourse.slicer.org/t/no-extensions-in-extension-manager-4-11-0-windows-build-nightly-also/8912 "2019-10-31T04:14:36Z")

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Thank you for your hard working No extensions in Extension Manager - 4.11.0 build (Nightly Also) in Windows (I already did manual installation but it did not work.suspicious factor is that revision number was not seen …

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## [How to save and analyze transform node sequence?](https://discourse.slicer.org/t/how-to-save-and-analyze-transform-node-sequence/8954)

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**Author:** [@Prashant\_Pandey](https://discourse.slicer.org/u/Prashant_Pandey)\
**Replies:** 4\
**Last updated:** [October 30, 2019, 5:33pm UTC](https://discourse.slicer.org/t/how-to-save-and-analyze-transform-node-sequence/8954 "2019-10-30T17:33:58Z")

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I’m recording the motion of a tracked tool using the sequences module. I am able to record the transform node as a sequence and play it back. How can I export this sequence as a series of timestamped matrices (such as .m…

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## [How to change display layer of markups?](https://discourse.slicer.org/t/how-to-change-display-layer-of-markups/8960)

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**Author:** [@jamesobutler](https://discourse.slicer.org/u/jamesobutler)\
**Replies:** 1\
**Last updated:** [October 30, 2019, 3:40pm UTC](https://discourse.slicer.org/t/how-to-change-display-layer-of-markups/8960 "2019-10-30T15:40:08Z")

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Is there a way to manage what layer a markup should be displayed relative to other models? As shown in the image below, the markups are displayed behind the SurfaceCut segment model. I would like to have the option of …

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## [How can dont apply mesh to geometry in 3Dslicer , i want import my software without mesh](https://discourse.slicer.org/t/how-can-dont-apply-mesh-to-geometry-in-3dslicer-i-want-import-my-software-without-mesh/8946)

<div class="topic-metadata">

**Author:** [@adele1371](https://discourse.slicer.org/u/adele1371)\
**Replies:** 10\
**Last updated:** [October 30, 2019, 3:27pm UTC](https://discourse.slicer.org/t/how-can-dont-apply-mesh-to-geometry-in-3dslicer-i-want-import-my-software-without-mesh/8946 "2019-10-30T15:27:12Z")

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How can dont apply mesh to geometry in 3Dslicer , i want import my software without mesh .

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## [Threshold Range ](https://discourse.slicer.org/t/threshold-range/8959)

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**Author:** [@Jini](https://discourse.slicer.org/u/Jini)\
**Replies:** 0\
**Last updated:** [October 30, 2019, 11:04am UTC](https://discourse.slicer.org/t/threshold-range/8959 "2019-10-30T11:04:06Z")

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Problem report for Slicer 4.10.2 win-amd64: \[please describe expected and actual behavior\] Hello, my Problem is that the Threshold range go only from 0.00 to 99.00. But I will -1500 to 1500 Range. Can you help me what…

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## [Noob and the CSF Fluid System](https://discourse.slicer.org/t/noob-and-the-csf-fluid-system/8835)

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**Author:** [@Sheldon](https://discourse.slicer.org/u/Sheldon)\
**Replies:** 6\
**Last updated:** [October 30, 2019, 1:59am UTC](https://discourse.slicer.org/t/noob-and-the-csf-fluid-system/8835 "2019-10-30T01:59:56Z")

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I have been able to load mri scan. I obviously am in over my head a bit. CAD, Photoshop i can muster… I am trying to locate the Exterior Ventricle bag. Directly between back orbitals. To visualise the interior of the Ex…

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## [Python exits abnormally when using spawn method to create a new process in multiprocessing on Unix](https://discourse.slicer.org/t/python-exits-abnormally-when-using-spawn-method-to-create-a-new-process-in-multiprocessing-on-unix/8929)

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**Author:** [@Guangshan\_Chen](https://discourse.slicer.org/u/Guangshan_Chen)\
**Replies:** 2\
**Last updated:** [October 29, 2019, 3:14pm UTC](https://discourse.slicer.org/t/python-exits-abnormally-when-using-spawn-method-to-create-a-new-process-in-multiprocessing-on-unix/8929 "2019-10-29T15:14:31Z")

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On Unix, mutiprocessing works well with default creating new process method (fork). However, if I set the creating method as spawn, python exits abnormally. I could not get the reason why python exits abnormally. Here i…

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## [how to response vtkButtonWidget?such as LeftButtonPressEvent](https://discourse.slicer.org/t/how-to-response-vtkbuttonwidget-such-as-leftbuttonpressevent/8937)

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**Author:** [@pingdan](https://discourse.slicer.org/u/pingdan)\
**Replies:** 1\
**Last updated:** [October 29, 2019, 12:20pm UTC](https://discourse.slicer.org/t/how-to-response-vtkbuttonwidget-such-as-leftbuttonpressevent/8937 "2019-10-29T12:20:11Z")

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I created a vtkButtonWidget and want to do some work when I click the buttonwidget with the left button of mouse, so I add a observer to the buttonwidget, but when I click ,it has no action. what is wrong with the codes? …

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## [Getting null coordinates for newly acquired Fiducials](https://discourse.slicer.org/t/getting-null-coordinates-for-newly-acquired-fiducials/1638)

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**Author:** [@MichelODU](https://discourse.slicer.org/u/MichelODU)\
**Replies:** 17\
**Last updated:** [October 29, 2019, 12:08pm UTC](https://discourse.slicer.org/t/getting-null-coordinates-for-newly-acquired-fiducials/1638 "2019-10-29T12:08:27Z")

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Hello, I am returning to Slicer after several years, and I’m finding that the Fiducials interface does not properly acquire the coordinates the selected point. Everything that I acquire shows RAS coordinates set to 0.0,…

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## [Convert .NRRD segment/contour to Dicom structure.  ](https://discourse.slicer.org/t/convert-nrrd-segment-contour-to-dicom-structure/8938)

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**Author:** [@John.ryan3](https://discourse.slicer.org/u/John.ryan3)\
**Replies:** 0\
**Last updated:** [October 29, 2019, 11:48am UTC](https://discourse.slicer.org/t/convert-nrrd-segment-contour-to-dicom-structure/8938 "2019-10-29T11:48:18Z")

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Operating system:Windows 7 Enterprise Slicer version:4.11.0 Expected behavior: Actual behavior: I have an original CT in Dicom format I have the same CT in .NRRD format I have a segmentation/contour in .NRRD format …

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## [NRRD contour  to Dicom ](https://discourse.slicer.org/t/nrrd-contour-to-dicom/8936)

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**Author:** [@John.ryan3](https://discourse.slicer.org/u/John.ryan3)\
**Replies:** 1\
**Last updated:** [October 29, 2019, 11:48am UTC](https://discourse.slicer.org/t/nrrd-contour-to-dicom/8936 "2019-10-29T11:48:18Z")

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Operating system: Windows 7 Enterprise Slicer version:4:11.0 I am not sure did my last question post correctly. It is my first time asking a question here, I douth it will be my last :slight\_smile: I have a CT and Seg…

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## [Dcm2niix with DWI](https://discourse.slicer.org/t/dcm2niix-with-dwi/8791)

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**Author:** [@JohnK](https://discourse.slicer.org/u/JohnK)\
**Replies:** 6\
**Last updated:** [October 28, 2019, 11:19pm UTC](https://discourse.slicer.org/t/dcm2niix-with-dwi/8791 "2019-10-28T23:19:00Z")

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Hi all, Hope it is ok to start a new topic on dcm2niix. I think I did my homework by looking at others discussions and attempts on DWI images { i.e., } Using 3DSlicer 4.10.2 / Windows 64 My problem: Reading of r…

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## [Error while trying to install psutil package in nightly](https://discourse.slicer.org/t/error-while-trying-to-install-psutil-package-in-nightly/8902)

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**Author:** [@Alex\_Vergara](https://discourse.slicer.org/u/Alex_Vergara)\
**Replies:** 8\
**Last updated:** [October 28, 2019, 10:54pm UTC](https://discourse.slicer.org/t/error-while-trying-to-install-psutil-package-in-nightly/8902 "2019-10-28T22:54:28Z")

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The error is shown by doing this \>\>\> slicer.util.pip\_install('psutil') Collecting psutil Using cached https://files.pythonhosted.org/packages/1c/ca/5b8c1fe032a458c2c4bcbe509d1401dca9dda35c7fc46b36bb81c2834740/psutil-5…

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## [Clipping of models is too slow](https://discourse.slicer.org/t/clipping-of-models-is-too-slow/8788)

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**Author:** [@Prashant\_Pandey](https://discourse.slicer.org/u/Prashant_Pandey)\
**Replies:** 14\
**Last updated:** [October 28, 2019, 9:15pm UTC](https://discourse.slicer.org/t/clipping-of-models-is-too-slow/8788 "2019-10-28T21:15:27Z")

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## [Inconsistent / Incorrect volume value of segments](https://discourse.slicer.org/t/inconsistent-incorrect-volume-value-of-segments/8908)

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**Author:** [@Raid](https://discourse.slicer.org/u/Raid)\
**Replies:** 4\
**Last updated:** [October 28, 2019, 9:03pm UTC](https://discourse.slicer.org/t/inconsistent-incorrect-volume-value-of-segments/8908 "2019-10-28T21:03:56Z")

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Operating system: Windows 10 Enterprise Slicer version: 4.10.2 Hello, I’m working on a human fetal head stained with Phosphotungstic acid (PTA) to be able to visualize soft tissue. After segmentation of the tongue and…

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## [Deploy and test your model on clinical data](https://discourse.slicer.org/t/deploy-and-test-your-model-on-clinical-data/8923)

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**Author:** [@maya.khalife](https://discourse.slicer.org/u/maya.khalife)\
**Replies:** 5\
**Last updated:** [October 28, 2019, 4:46pm UTC](https://discourse.slicer.org/t/deploy-and-test-your-model-on-clinical-data/8923 "2019-10-28T16:46:07Z")

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If you have built an AI image processing model and shared it with the Slicer Community, you’ve made it easy to researchers and Slicer users around the world to use your tool and benefit from the results. Now if you are …

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## [How does dicompyler overlay the RTDOSE and Image data in the correct position?](https://discourse.slicer.org/t/how-does-dicompyler-overlay-the-rtdose-and-image-data-in-the-correct-position/8922)

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**Author:** [@Iman\_Shokatian](https://discourse.slicer.org/u/Iman_Shokatian)\
**Replies:** 0\
**Last updated:** [October 28, 2019, 11:39am UTC](https://discourse.slicer.org/t/how-does-dicompyler-overlay-the-rtdose-and-image-data-in-the-correct-position/8922 "2019-10-28T11:39:29Z")

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Hello, I’m currently an MS student in Medical Physics and I have a great need to be able to overlay an isodose distribution from an RTDOSE file onto a CT image from a .dcm file set. I’ve managed to extract the image an…

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## [Project annotation ruler text in slice view](https://discourse.slicer.org/t/project-annotation-ruler-text-in-slice-view/8910)

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**Author:** [@Prashant\_Pandey](https://discourse.slicer.org/u/Prashant_Pandey)\
**Replies:** 2\
**Last updated:** [October 28, 2019, 12:10am UTC](https://discourse.slicer.org/t/project-annotation-ruler-text-in-slice-view/8910 "2019-10-28T00:10:59Z")

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Is it possible to project the text of a ruler (distance measurment) onto all slices instead of only the slice that the ruler is in. Similar to how a ruler can be projected in slice view.

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## [Problems with encoding using non-Slicer Python environment](https://discourse.slicer.org/t/problems-with-encoding-using-non-slicer-python-environment/8820)

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**Author:** [@dloopz](https://discourse.slicer.org/u/dloopz)\
**Replies:** 4\
**Last updated:** [October 27, 2019, 5:18pm UTC](https://discourse.slicer.org/t/problems-with-encoding-using-non-slicer-python-environment/8820 "2019-10-27T17:18:51Z")

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Hi! I’m developing an extension for Slicer with a segmentation module. In my “Module.py” file I want to make a call to a python3.py file of my own (outside Slicer-Python environment) using conda environment. I tried dif…

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## [Color environment in SlicerVirtualReality](https://discourse.slicer.org/t/color-environment-in-slicervirtualreality/8916)

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**Author:** [@alexk](https://discourse.slicer.org/u/alexk)\
**Replies:** 1\
**Last updated:** [October 27, 2019, 4:27pm UTC](https://discourse.slicer.org/t/color-environment-in-slicervirtualreality/8916 "2019-10-27T16:27:15Z")

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Hello, I would like to know if it is possible to change the background color of the SlicerVirtualReality environment for black color. Thank you Alex

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## [\[DICOM Browser\] About StudyID Editing(Add&Rename StudyID)](https://discourse.slicer.org/t/dicom-browser-about-studyid-editing-add-rename-studyid/8874)

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**Author:** [@lausiv](https://discourse.slicer.org/u/lausiv)\
**Replies:** 5\
**Last updated:** [October 27, 2019, 2:19pm UTC](https://discourse.slicer.org/t/dicom-browser-about-studyid-editing-add-rename-studyid/8874 "2019-10-27T14:19:17Z")

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Operating system: windows Slicer version: 4.10.2 Expected behavior: Actual behavior: HI :slight\_smile: I want to add below function in DICOM Browser, Add StudyID, Rename StudyID. Anybody can help me hint about codi…

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## [Resample PET image](https://discourse.slicer.org/t/resample-pet-image/8904)

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**Author:** [@zahiraabdala](https://discourse.slicer.org/u/zahiraabdala)\
**Replies:** 5\
**Last updated:** [October 25, 2019, 6:33pm UTC](https://discourse.slicer.org/t/resample-pet-image/8904 "2019-10-25T18:33:05Z")

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Hi all, I need to resample my PET image and I have a problem. When I resample my image in Slicer using the Resample Image (Brains) module, the image ends up correctly resampled except its image activity information, it´…

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## [Getting a live view of connected camera on viewer of Slicer](https://discourse.slicer.org/t/getting-a-live-view-of-connected-camera-on-viewer-of-slicer/8892)

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**Author:** [@aalarcon96](https://discourse.slicer.org/u/aalarcon96)\
**Replies:** 5\
**Last updated:** [October 25, 2019, 2:13pm UTC](https://discourse.slicer.org/t/getting-a-live-view-of-connected-camera-on-viewer-of-slicer/8892 "2019-10-25T14:13:25Z")

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Hello, I am building my own loadable module for Slicer. On my module, I have placed a button (using Qt designer) that when I press it I want to see the live view of the camera connected to my computer one of the viewers…

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## [Cannot install latest Preview on macOS](https://discourse.slicer.org/t/cannot-install-latest-preview-on-macos/8879)

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**Author:** [@Fernando](https://discourse.slicer.org/u/Fernando)\
**Replies:** 4\
**Last updated:** [October 25, 2019, 9:30am UTC](https://discourse.slicer.org/t/cannot-install-latest-preview-on-macos/8879 "2019-10-25T09:30:57Z")

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Hi all, I get this on Finder: And this within the error lines of brew: (miniconda3)  ~/git  brew cask reinstall slicer-nightly  ✓  …

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## [Interactive charting in sequence Browser extension](https://discourse.slicer.org/t/interactive-charting-in-sequence-browser-extension/8857)

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**Author:** [@rbahegne](https://discourse.slicer.org/u/rbahegne)\
**Replies:** 4\
**Last updated:** [October 25, 2019, 9:09am UTC](https://discourse.slicer.org/t/interactive-charting-in-sequence-browser-extension/8857 "2019-10-25T09:09:22Z")

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Hello, I’m currently using the sequence extension to record a stream and i’m wondering if i could do a plot of the signal over time, a bit like in multivolume module. There is a button “Enable interactive charting” whic…

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## [How to smooth model boundaries](https://discourse.slicer.org/t/how-to-smooth-model-boundaries/8893)

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**Author:** [@NClearning](https://discourse.slicer.org/u/NClearning)\
**Replies:** 2\
**Last updated:** [October 24, 2019, 9:48pm UTC](https://discourse.slicer.org/t/how-to-smooth-model-boundaries/8893 "2019-10-24T21:48:39Z")

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Operating system: Windows 10 Slicer version: 4.11.0 Expected behavior: Actual behavior: I am trying to remove points on the boundary surface in order to create a perfectly flush boundary for a model. How would I go a…

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## [Linking lung nodules across CT scans using nodule centroid anatomical coordinates](https://discourse.slicer.org/t/linking-lung-nodules-across-ct-scans-using-nodule-centroid-anatomical-coordinates/8823)

<div class="topic-metadata">

**Author:** [@matt-warkentin](https://discourse.slicer.org/u/matt-warkentin)\
**Replies:** 26\
**Last updated:** [October 24, 2019, 7:34pm UTC](https://discourse.slicer.org/t/linking-lung-nodules-across-ct-scans-using-nodule-centroid-anatomical-coordinates/8823 "2019-10-24T19:34:40Z")

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Hi, Here is the setup for my question: I have lung CT scans from multiple time points for multiple patients. Our team’s radiologist is using Slicer to perform semi-automated contouring of lung nodules. In addition, he i…

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## [SegmentComparison for nii.gz image](https://discourse.slicer.org/t/segmentcomparison-for-nii-gz-image/8825)

<div class="topic-metadata">

**Author:** [@vietlebao](https://discourse.slicer.org/u/vietlebao)\
**Replies:** 9\
**Last updated:** [October 24, 2019, 7:44pm UTC](https://discourse.slicer.org/t/segmentcomparison-for-nii-gz-image/8825 "2019-10-24T19:44:06Z")

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Hello everyone. I am comparing two structures of nii.gz image by using SegmentComparison. However, I cannot select the inputs (red circle), as attached, there is no segments to select. Thanks.

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