# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=336

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

**Page:** 337

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## [query retrieve several patient](https://discourse.slicer.org/t/query-retrieve-several-patient/12000)

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**Author:** [@cyrina](https://discourse.slicer.org/u/cyrina)\
**Replies:** 1\
**Last updated:** [June 12, 2020, 3:44pm UTC](https://discourse.slicer.org/t/query-retrieve-several-patient/12000 "2020-06-12T15:44:40Z")

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Hello I try to retrieve several Patient at once but it seems impossible or am I doing something wrong ? I select with ctrl several patient in the “form” window and click on retrieve but only one is retrieve and my logs…

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## [Identify a DICOM Instance file name in 3D DICOM volume](https://discourse.slicer.org/t/identify-a-dicom-instance-file-name-in-3d-dicom-volume/11968)

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**Author:** [@Vincent\_C](https://discourse.slicer.org/u/Vincent_C)\
**Replies:** 2\
**Last updated:** [June 12, 2020, 1:53am UTC](https://discourse.slicer.org/t/identify-a-dicom-instance-file-name-in-3d-dicom-volume/11968 "2020-06-12T01:53:39Z")

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Hi all, How can I identify a the file name of a single slice in a loaded 3D DICOM volume? I have loaded a DICOM directory with several hundred slices, but after I have identified a single slice of interest, I would like…

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## [Title: Slow and unstable performance](https://discourse.slicer.org/t/title-slow-and-unstable-performance/4988)

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**Author:** [@Lucas\_Formighieri](https://discourse.slicer.org/u/Lucas_Formighieri)\
**Replies:** 3\
**Last updated:** [June 12, 2020, 1:19am UTC](https://discourse.slicer.org/t/title-slow-and-unstable-performance/4988 "2020-06-12T01:19:26Z")

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Operating system: Win10-Pro (Portuguese), Intel 5820k, 32gig ram, nvidia 970gtx, nvme ssd. Slicer version: 4.10 and nightly builds Expected behavior: fluid workflow Actual behavior: interruptions and delays in the wor…

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## [Extension manager problems](https://discourse.slicer.org/t/extension-manager-problems/11946)

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**Author:** [@opetne](https://discourse.slicer.org/u/opetne)\
**Replies:** 7\
**Last updated:** [June 11, 2020, 8:55pm UTC](https://discourse.slicer.org/t/extension-manager-problems/11946 "2020-06-11T20:55:56Z")

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Operation system: Windows 10 Hi, I downloaded the latest nightly build version 4.11.0 2020.06.08 and tried to install some of the extensions but the extension manager failed to work all times I tried. I opens, the proc…

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## [Updating Closed Surface Representation](https://discourse.slicer.org/t/updating-closed-surface-representation/11983)

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**Author:** [@Queen\_Rei](https://discourse.slicer.org/u/Queen_Rei)\
**Replies:** 2\
**Last updated:** [June 11, 2020, 4:18pm UTC](https://discourse.slicer.org/t/updating-closed-surface-representation/11983 "2020-06-11T16:18:17Z")

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Heya! I am trying to work with the closed surface representation. Manually I can get the results I want. With code it seems as if some of the steps I want it to perform are lost or never occur. Steps 1. Create a segmen…

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## [Why growing segment by 10mm margin is different from growing by 5mm margin twice](https://discourse.slicer.org/t/why-growing-segment-by-10mm-margin-is-different-from-growing-by-5mm-margin-twice/11985)

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**Author:** [@Mark\_Brahier](https://discourse.slicer.org/u/Mark_Brahier)\
**Replies:** 5\
**Last updated:** [June 11, 2020, 2:17pm UTC](https://discourse.slicer.org/t/why-growing-segment-by-10mm-margin-is-different-from-growing-by-5mm-margin-twice/11985 "2020-06-11T14:17:05Z")

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## [Cannot import JupyterNotebooksLib](https://discourse.slicer.org/t/cannot-import-jupyternotebookslib/11967)

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**Author:** [@Ponyo2311](https://discourse.slicer.org/u/Ponyo2311)\
**Replies:** 12\
**Last updated:** [June 10, 2020, 8:33pm UTC](https://discourse.slicer.org/t/cannot-import-jupyternotebookslib/11967 "2020-06-10T20:33:23Z")

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Hi, To install the JupyterNotebook extension on Slicer and to add a Slicer kernel on Jupyter I followed the steps on https://github.com/Slicer/SlicerJupyter/blob/master/README.md#setup. After I tried in the new Slicer …

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## [Setting slice visibility per segment](https://discourse.slicer.org/t/setting-slice-visibility-per-segment/11974)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 4\
**Last updated:** [June 10, 2020, 7:07pm UTC](https://discourse.slicer.org/t/setting-slice-visibility-per-segment/11974 "2020-06-10T19:07:05Z")

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I have two segments in a segmentation. A segment\_1 is the thresholded volume, and segment\_2 is same structure after WrapSolidify. I want to show segment\_1 only in the red slice and segment\_2 in the yellow slice. While Se…

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## [Open GE Volumetrix images](https://discourse.slicer.org/t/open-ge-volumetrix-images/11956)

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**Author:** [@Alex\_Vergara](https://discourse.slicer.org/u/Alex_Vergara)\
**Replies:** 4\
**Last updated:** [June 10, 2020, 6:45pm UTC](https://discourse.slicer.org/t/open-ge-volumetrix-images/11956 "2020-06-10T18:45:54Z")

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Hello I have some GE Volumetrix images I need to open. They are basically one dicom file containing multiple volumes inside. In my case one NM study (single dcm file) containing inside (2 NM FOV with AC correction + 2 M…

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## [Changing hounsfield units after painting with a different range of masking](https://discourse.slicer.org/t/changing-hounsfield-units-after-painting-with-a-different-range-of-masking/11854)

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**Author:** [@Mark\_Brahier](https://discourse.slicer.org/u/Mark_Brahier)\
**Replies:** 5\
**Last updated:** [June 4, 2020, 3:21pm UTC](https://discourse.slicer.org/t/changing-hounsfield-units-after-painting-with-a-different-range-of-masking/11854 "2020-06-04T15:21:25Z")

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Hello. I am using Slicer for contrast-enhanced cardiac CT analysis. After a substantial amount of work painting axial views to determine pericardial fat volume under a certain range of HU, I would like to reanalyze by sa…

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## [STL conversion to OBJ](https://discourse.slicer.org/t/stl-conversion-to-obj/11972)

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**Author:** [@Queen\_Rei](https://discourse.slicer.org/u/Queen_Rei)\
**Replies:** 4\
**Last updated:** [June 10, 2020, 5:15pm UTC](https://discourse.slicer.org/t/stl-conversion-to-obj/11972 "2020-06-10T17:15:34Z")

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Hello! I used the following code snippet to import a STL as a segmentation and export that segmentation into a OBJ. Issue: Right now the exported OBJ seems to be lower quality than if I did this manually. I feel as thou…

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## [3D Image not seen](https://discourse.slicer.org/t/3d-image-not-seen/11880)

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**Author:** [@kavitha](https://discourse.slicer.org/u/kavitha)\
**Replies:** 15\
**Last updated:** [June 10, 2020, 4:29pm UTC](https://discourse.slicer.org/t/3d-image-not-seen/11880 "2020-06-10T16:29:52Z")

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Hi, I am new to Slicer and trying to run a NVIDIAA spleen model on 3D Slicer. But, I am not able to see the 3D image of the model. Can you please guide me on what the problem is ? Thanks in advance for your help Scre…

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## [Bad\_alloc error while using margin effect in Segment editor module](https://discourse.slicer.org/t/bad-alloc-error-while-using-margin-effect-in-segment-editor-module/11976)

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**Author:** [@Deepa](https://discourse.slicer.org/u/Deepa)\
**Replies:** 1\
**Last updated:** [June 10, 2020, 1:17pm UTC](https://discourse.slicer.org/t/bad-alloc-error-while-using-margin-effect-in-segment-editor-module/11976 "2020-06-10T13:17:28Z")

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Hello Everyone, I’ve a 3D volume like this. For the suggestions offered here, I’m trying to use Scissors option in Segment Editor to extract a subvolume. I used the circular option in “Scissors” tab to cut the segme…

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## [Generating augmented training data from nrrd file using random translations, rotations, and deformations](https://discourse.slicer.org/t/generating-augmented-training-data-from-nrrd-file-using-random-translations-rotations-and-deformations/11810)

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**Author:** [@eran\_bam](https://discourse.slicer.org/u/eran_bam)\
**Replies:** 11\
**Last updated:** [June 10, 2020, 12:41pm UTC](https://discourse.slicer.org/t/generating-augmented-training-data-from-nrrd-file-using-random-translations-rotations-and-deformations/11810 "2020-06-10T12:41:23Z")

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Hi everybody, I don’t find any tutorial on how to connect between python and 3Dslicer without using python interactor. After doing segmentation in 3d slicer I read the file in python: readdata, header = nrrd.read(file…

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## [Segment a resampled volume](https://discourse.slicer.org/t/segment-a-resampled-volume/11938)

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**Author:** [@caioath](https://discourse.slicer.org/u/caioath)\
**Replies:** 6\
**Last updated:** [June 10, 2020, 10:50am UTC](https://discourse.slicer.org/t/segment-a-resampled-volume/11938 "2020-06-10T10:50:03Z")

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Hi I’m trying to run a script to perform automated segmentations right after resampling the volume to an isotropic spacing. The output is the resampled volume, but the segmentation from the original volume, not the res…

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## [Level set segmentation extracts only one vessel at a time](https://discourse.slicer.org/t/level-set-segmentation-extracts-only-one-vessel-at-a-time/6924)

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**Author:** [@Amine](https://discourse.slicer.org/u/Amine)\
**Replies:** 7\
**Last updated:** [June 10, 2020, 9:39am UTC](https://discourse.slicer.org/t/level-set-segmentation-extracts-only-one-vessel-at-a-time/6924 "2020-06-10T09:39:11Z")

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as in this tutorial https://www.youtube.com/watch?v=DJ2032yo5Co i try to use level set segmentation (after successful vesselness filtering) but the newer version of level set segmentation seems to only extract one vesse…

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## [Error when running sample Slicer Jupyter Notebooks from local linux machine](https://discourse.slicer.org/t/error-when-running-sample-slicer-jupyter-notebooks-from-local-linux-machine/11975)

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**Author:** [@Andrius](https://discourse.slicer.org/u/Andrius)\
**Replies:** 0\
**Last updated:** [June 10, 2020, 7:29am UTC](https://discourse.slicer.org/t/error-when-running-sample-slicer-jupyter-notebooks-from-local-linux-machine/11975 "2020-06-10T07:29:29Z")

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Dear Slicers, I am just getting started with Python and slicer. My goal is to use slicer to combine ITK, VTK and VMTK capabilities for vascular segmentation and geometric data extraction. I love the idea that all this c…

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## [NIfTI to DICOM conversion](https://discourse.slicer.org/t/nifti-to-dicom-conversion/11895)

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**Author:** [@Chris\_Rorden](https://discourse.slicer.org/u/Chris_Rorden)\
**Replies:** 11\
**Last updated:** [June 9, 2020, 5:54pm UTC](https://discourse.slicer.org/t/nifti-to-dicom-conversion/11895 "2020-06-09T17:54:47Z")

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This forum seems the correct location for recent questions on neurostars and nitrc regarding NIfTI to DICOM conversion. Slicer is the tool I would use for these operations. Perhaps members of this forum can provide guida…

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## [Curve label name in 3D view?](https://discourse.slicer.org/t/curve-label-name-in-3d-view/11961)

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**Author:** [@hherhold](https://discourse.slicer.org/u/hherhold)\
**Replies:** 5\
**Last updated:** [June 9, 2020, 5:37pm UTC](https://discourse.slicer.org/t/curve-label-name-in-3d-view/11961 "2020-06-09T17:37:51Z")

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Is it possible to display the label name for a curve? I know you can show the point labels for the control points, but is it possible to display the curve label name in the 3D view, somewhere along the curve? Thanks! -…

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## [Orthovoltage dose engine not available in 4.10.2](https://discourse.slicer.org/t/orthovoltage-dose-engine-not-available-in-4-10-2/11959)

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**Author:** [@annigilus](https://discourse.slicer.org/u/annigilus)\
**Replies:** 2\
**Last updated:** [June 9, 2020, 5:18pm UTC](https://discourse.slicer.org/t/orthovoltage-dose-engine-not-available-in-4-10-2/11959 "2020-06-09T17:18:48Z")

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Greetings! Tell me, please, how can I change Dose engine in External Beam Planning according to it’s tutorial if I don’t have Orthovoltage option in use. Although I installed EGSnrc as it was said. Thank you!

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## [VTK Multi-Volume (experimental) volume rendering documentation and explanation](https://discourse.slicer.org/t/vtk-multi-volume-experimental-volume-rendering-documentation-and-explanation/11937)

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**Author:** [@tkuraku](https://discourse.slicer.org/u/tkuraku)\
**Replies:** 5\
**Last updated:** [June 9, 2020, 4:31pm UTC](https://discourse.slicer.org/t/vtk-multi-volume-experimental-volume-rendering-documentation-and-explanation/11937 "2020-06-09T16:31:30Z")

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I like how the rendering option “VTK Multi-Volume (experimental)”. I am having a hard time finding documentation on this option. Can someone point me to the relevant documentation and or explain how one might reproduce t…

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## [Tutorials for SlicerRT, DICOM import, Plastimatch](https://discourse.slicer.org/t/tutorials-for-slicerrt-dicom-import-plastimatch/11917)

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**Author:** [@annigilus](https://discourse.slicer.org/u/annigilus)\
**Replies:** 6\
**Last updated:** [June 9, 2020, 4:09pm UTC](https://discourse.slicer.org/t/tutorials-for-slicerrt-dicom-import-plastimatch/11917 "2020-06-09T16:09:11Z")

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Greetings, everyone! Can’t find tutorials from this topic, it said “no such host”. https://www.slicer.org/wiki/Documentation/4.2/Modules/PlmDICOMRTImport Please, show where I can find these tutorials or send it ti me a…

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## [model to model distance --\> one distance](https://discourse.slicer.org/t/model-to-model-distance-one-distance/11949)

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**Author:** [@Nick94](https://discourse.slicer.org/u/Nick94)\
**Replies:** 0\
**Last updated:** [June 9, 2020, 1:17pm UTC](https://discourse.slicer.org/t/model-to-model-distance-one-distance/11949 "2020-06-09T13:17:13Z")

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Operating system: Windows 10 Pro Slicer version: 4.10.2 Expected behavior: calculate distance between model in specific region Actual behavior: I have a ultrasound volume with Volume S and Volume T segmented. with mod…

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## [Chest Imaging Platform (CIP) installation in Linus Ubuntu & python](https://discourse.slicer.org/t/chest-imaging-platform-cip-installation-in-linus-ubuntu-python/11943)

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**Author:** [@skuanar](https://discourse.slicer.org/u/skuanar)\
**Replies:** 1\
**Last updated:** [June 9, 2020, 11:40am UTC](https://discourse.slicer.org/t/chest-imaging-platform-cip-installation-in-linus-ubuntu-python/11943 "2020-06-09T11:40:39Z")

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Hi, I need small help for the Chest Imaging Platform (CIP) installation in Linus Ubuntu & python set up and looking for the installation steps. Basically I would like to use the “GeneratePartialLungLabelMap” function i…

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## [OrtogOnBlender for complex modeling on a dicom?](https://discourse.slicer.org/t/ortogonblender-for-complex-modeling-on-a-dicom/11947)

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**Author:** [@Melodicpinpon](https://discourse.slicer.org/u/Melodicpinpon)\
**Replies:** 1\
**Last updated:** [June 9, 2020, 11:27am UTC](https://discourse.slicer.org/t/ortogonblender-for-complex-modeling-on-a-dicom/11947 "2020-06-09T11:27:39Z")

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Good afternoon, From a dicom, I generate a model of the skeleton. For the muscles, I do them through Blender, a free 3D software that uses Python, It allows to control the topology and to keep it light. I tried to use …

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## [Brush can't paint over specific area and slices](https://discourse.slicer.org/t/brush-cant-paint-over-specific-area-and-slices/11787)

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**Author:** [@Tedd](https://discourse.slicer.org/u/Tedd)\
**Replies:** 3\
**Last updated:** [June 9, 2020, 6:50am UTC](https://discourse.slicer.org/t/brush-cant-paint-over-specific-area-and-slices/11787 "2020-06-09T06:50:48Z")

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Hello everyone. I am using slicer 2 years so far. Lately I faced first time a problem that I cant resolve. When i load a CT dataset, my brush behavior isn’t working properly as I can paint over specific areas and below …

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## [Is the rotation of the 3D Slicer's Transform module Euler or Quaternion?](https://discourse.slicer.org/t/is-the-rotation-of-the-3d-slicers-transform-module-euler-or-quaternion/11944)

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**Author:** [@kscript](https://discourse.slicer.org/u/kscript)\
**Replies:** 1\
**Last updated:** [June 9, 2020, 6:35am UTC](https://discourse.slicer.org/t/is-the-rotation-of-the-3d-slicers-transform-module-euler-or-quaternion/11944 "2020-06-09T06:35:31Z")

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Hello everybody. I am in the process of matching using the 3D Slicer and the program I configured. In my program, I use quaternion for rotation. 3D Slicer also converted to Euler angle to rotate as much as the corresp…

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## [Export segmentation as bin file](https://discourse.slicer.org/t/export-segmentation-as-bin-file/10970)

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**Author:** [@kopachini](https://discourse.slicer.org/u/kopachini)\
**Replies:** 16\
**Last updated:** [June 9, 2020, 5:06am UTC](https://discourse.slicer.org/t/export-segmentation-as-bin-file/10970 "2020-06-09T05:06:29Z")

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Hello everyone, I hope that you are doing fine in these hard times? I have a question regarding segmentation export. Is there any way to export segmentation or even whole study DICOM data without segmentation (CT or MR…

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## [Viewers do not appear in OpenStack](https://discourse.slicer.org/t/viewers-do-not-appear-in-openstack/11934)

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**Author:** [@kopachini](https://discourse.slicer.org/u/kopachini)\
**Replies:** 3\
**Last updated:** [June 8, 2020, 8:59pm UTC](https://discourse.slicer.org/t/viewers-do-not-appear-in-openstack/11934 "2020-06-08T20:59:06Z")

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Hello everyone… I didn’t want to open a new topic, but now I have a strange layout problem… So I got access to a powerful computer via a server so I could overcome my problem with memory loss… But when I open Slicer 10.2…

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## [Error to import vff file](https://discourse.slicer.org/t/error-to-import-vff-file/11887)

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**Author:** [@Paulo\_Tavares](https://discourse.slicer.org/u/Paulo_Tavares)\
**Replies:** 5\
**Last updated:** [June 8, 2020, 5:12pm UTC](https://discourse.slicer.org/t/error-to-import-vff-file/11887 "2020-06-08T17:12:14Z")

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When I try to import a vff file in 3Dslicer it noticed a error. Warning: In D:\\D\\S\\S-4102-E-b\\SlicerRT\\VffFileReader\\Logic\\vtkSlicerVffFileReaderLogic.cxx, line 104 vtkSlicerVffFileReaderLogic (000001F7636E6030): ReadV…

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