# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=374

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

**Page:** 375

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## [Build error with ubuntu1804 with slicer code on master branch](https://discourse.slicer.org/t/build-error-with-ubuntu1804-with-slicer-code-on-master-branch/8085)

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**Author:** [@chenray844](https://discourse.slicer.org/u/chenray844)\
**Replies:** 0\
**Last updated:** [August 19, 2019, 7:31am UTC](https://discourse.slicer.org/t/build-error-with-ubuntu1804-with-slicer-code-on-master-branch/8085 "2019-08-19T07:31:32Z")

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In file included from /home/chenrf/Projects/medical/slicer/build/ITK-build/Modules/ThirdParty/HDF5/src/itkhdf5/shared/H5Tinit.c:82:0: /home/chenrf/Projects/medical/slicer/build/ITK/Modules/ThirdParty/HDF5/src/itkhdf5/sr…

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## [Model to model distance calculation](https://discourse.slicer.org/t/model-to-model-distance-calculation/8060)

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**Author:** [@Jainey](https://discourse.slicer.org/u/Jainey)\
**Replies:** 5\
**Last updated:** [August 19, 2019, 2:32am UTC](https://discourse.slicer.org/t/model-to-model-distance-calculation/8060 "2019-08-19T02:32:27Z")

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Hi All I created two models and was trying to get model to model distance. The following error came up. Model To Model Distance standard error: dyld: Library not loaded: /Volumes/Dashboards/Support/qt-everywhere-buil…

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## [DICOM import fails - 0 New Patients](https://discourse.slicer.org/t/dicom-import-fails-0-new-patients/6419)

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**Author:** [@LizzyMedinaGtz](https://discourse.slicer.org/u/LizzyMedinaGtz)\
**Replies:** 8\
**Last updated:** [August 18, 2019, 4:19pm UTC](https://discourse.slicer.org/t/dicom-import-fails-0-new-patients/6419 "2019-08-18T16:19:53Z")

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Problem report for Slicer 4.10.1 macosx-amd64: \[please describe expected and actual behavior\] When I try to import to DICOM but it says that I have 0 New Patients, 0 New Studies This are my latest log messages Applica…

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## [How to match two dose distributions (TPS and Monte Carlo results) and CT images automatically (editing metadata tags)?](https://discourse.slicer.org/t/how-to-match-two-dose-distributions-tps-and-monte-carlo-results-and-ct-images-automatically-editing-metadata-tags/8074)

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**Author:** [@shahrokh](https://discourse.slicer.org/u/shahrokh)\
**Replies:** 1\
**Last updated:** [August 18, 2019, 1:43pm UTC](https://discourse.slicer.org/t/how-to-match-two-dose-distributions-tps-and-monte-carlo-results-and-ct-images-automatically-editing-metadata-tags/8074 "2019-08-18T13:43:14Z")

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Hi Dears 3DSlicer developers and users My ultimate goal is to perform the Gamma analysis between two absorbed dose distributions using “Dose Comparison” module. These are the absorbed dose distributions obtained from ca…

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## [Transforms tool](https://discourse.slicer.org/t/transforms-tool/8055)

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**Author:** [@MFS-YES](https://discourse.slicer.org/u/MFS-YES)\
**Replies:** 4\
**Last updated:** [August 18, 2019, 2:50am UTC](https://discourse.slicer.org/t/transforms-tool/8055 "2019-08-18T02:50:40Z")

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Hi! I am new to Slicer. I am trying to use transforms tool to orient and fix my segmentation in \*\*3D viewer \*\*, I need help for any document or tutorial or if someone can explain procedure will be appreciated. I didn’t f…

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## [DWI Convert: .Nifti to .nrrd gives extremely small file size, unable to run in UKF Tractography](https://discourse.slicer.org/t/dwi-convert-nifti-to-nrrd-gives-extremely-small-file-size-unable-to-run-in-ukf-tractography/8070)

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**Author:** [@Bex](https://discourse.slicer.org/u/Bex)\
**Replies:** 1\
**Last updated:** [August 17, 2019, 7:49pm UTC](https://discourse.slicer.org/t/dwi-convert-nifti-to-nrrd-gives-extremely-small-file-size-unable-to-run-in-ukf-tractography/8070 "2019-08-17T19:49:08Z")

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Operating system: iMac Slicer version: 4.10.2 Expected behavior: DWI Nifti file with 54 different diffusion-sensitizing gradient directions would convert to .nrrd and generate a file size similar to the sample data onl…

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## [ questions about the use of radiomics module](https://discourse.slicer.org/t/questions-about-the-use-of-radiomics-module/7916)

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**Author:** [@zhangyf2](https://discourse.slicer.org/u/zhangyf2)\
**Replies:** 2\
**Last updated:** [August 17, 2019, 3:10pm UTC](https://discourse.slicer.org/t/questions-about-the-use-of-radiomics-module/7916 "2019-08-17T15:10:54Z")

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Hello, I am a researcher from China and have some questions about the use of radiomics module. I want to implement RADIOMICS analysis on enhanced ultrasound images. I have exported the.dcm file and split the ROI, and t…

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## [Help Loading The Mean Hounsfield Units Using Segment](https://discourse.slicer.org/t/help-loading-the-mean-hounsfield-units-using-segment/8023)

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**Author:** [@daleblack109](https://discourse.slicer.org/u/daleblack109)\
**Replies:** 2\
**Last updated:** [August 16, 2019, 11:24pm UTC](https://discourse.slicer.org/t/help-loading-the-mean-hounsfield-units-using-segment/8023 "2019-08-16T23:24:49Z")

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Hello I cannot figure out how to display the average hounsfield units of my segmentation using segmentation statistics. Could anyone share screenshots of how it is done? I have shared screenshots of what I am trying to …

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## [Convert STL model to segmentation node](https://discourse.slicer.org/t/convert-stl-model-to-segmentation-node/8062)

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**Author:** [@Andrew\_Kanawati](https://discourse.slicer.org/u/Andrew_Kanawati)\
**Replies:** 2\
**Last updated:** [August 16, 2019, 4:35pm UTC](https://discourse.slicer.org/t/convert-stl-model-to-segmentation-node/8062 "2019-08-16T16:35:10Z")

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I am having trouble creating a segmentation node from an STL of a 3d scan. The imported transform looks like this: The segmentation has characteristics that are not present on the STL: Help would be much appreciate…

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## [Unexpected error forces Slicer to shut-down](https://discourse.slicer.org/t/unexpected-error-forces-slicer-to-shut-down/7922)

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**Author:** [@dfafalis](https://discourse.slicer.org/u/dfafalis)\
**Replies:** 21\
**Last updated:** [August 16, 2019, 3:01pm UTC](https://discourse.slicer.org/t/unexpected-error-forces-slicer-to-shut-down/7922 "2019-08-16T15:01:38Z")

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I keep getting the error shown in the attached pic. Slicer will stop working and eventually will shut down. What could be causing this behavior?

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## [How to change default snap to center slice when loading volume](https://discourse.slicer.org/t/how-to-change-default-snap-to-center-slice-when-loading-volume/8057)

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**Author:** [@EricaMoreira](https://discourse.slicer.org/u/EricaMoreira)\
**Replies:** 1\
**Last updated:** [August 16, 2019, 12:08pm UTC](https://discourse.slicer.org/t/how-to-change-default-snap-to-center-slice-when-loading-volume/8057 "2019-08-16T12:08:30Z")

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Operating system : macOS Mojave (version 10.14.6) Slicer version : 4.11.0-2019-07-29 r28413 Desired behavior : Snap to the first slice of the volume when loaded Actual behavior : By default, the middle slice is displa…

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## [Loading multiple labelmaps (label masks)](https://discourse.slicer.org/t/loading-multiple-labelmaps-label-masks/7937)

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**Author:** [@EricaMoreira](https://discourse.slicer.org/u/EricaMoreira)\
**Replies:** 2\
**Last updated:** [August 16, 2019, 8:56am UTC](https://discourse.slicer.org/t/loading-multiple-labelmaps-label-masks/7937 "2019-08-16T08:56:36Z")

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Operating system: macOS Mojave (version 10.14.6) Slicer version: 4.11.0-2019-07-29 r28413 Expected behavior: Load the correct labelmap (label mask) for each original image Actual behavior: I can only figure out how to…

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## [ZMQ socket not recieving messages in Slicer's python interpreter](https://discourse.slicer.org/t/zmq-socket-not-recieving-messages-in-slicers-python-interpreter/8053)

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**Author:** [@fergujm2](https://discourse.slicer.org/u/fergujm2)\
**Replies:** 1\
**Last updated:** [August 16, 2019, 5:07am UTC](https://discourse.slicer.org/t/zmq-socket-not-recieving-messages-in-slicers-python-interpreter/8053 "2019-08-16T05:07:08Z")

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Hi, We have a small data acquisition script that we are trying to run in Slicer’s python interpreter. Currently, we create a connection to our device and request a data stream from the device at a certain frequency. T…

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## [Using OpenIGTLink](https://discourse.slicer.org/t/using-openigtlink/8050)

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**Author:** [@ahmed\_elshreif](https://discourse.slicer.org/u/ahmed_elshreif)\
**Replies:** 1\
**Last updated:** [August 16, 2019, 12:42am UTC](https://discourse.slicer.org/t/using-openigtlink/8050 "2019-08-16T00:42:25Z")

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I have build the OpenIGTLink library for cpp and I run some of the examples and they work for me and send the data to Slicer but now I need to use the built library in new cpp project and I don’t know how to include it i…

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## [DICOM database re-indexing between preview and 4.10.2](https://discourse.slicer.org/t/dicom-database-re-indexing-between-preview-and-4-10-2/7592)

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**Author:** [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Replies:** 11\
**Last updated:** [August 15, 2019, 4:50pm UTC](https://discourse.slicer.org/t/dicom-database-re-indexing-between-preview-and-4-10-2/7592 "2019-08-15T16:50:51Z")

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I noticed that DICOM database gets re-indexed on the first launch of DICOM browser. I understand why this might be needed every time preview is launched, but if this re-index happens both in 4.10 and in preview every tim…

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## [Brain Volume on 5mm Head CT](https://discourse.slicer.org/t/brain-volume-on-5mm-head-ct/8012)

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**Author:** [@Caleb\_Price](https://discourse.slicer.org/u/Caleb_Price)\
**Replies:** 1\
**Last updated:** [August 15, 2019, 4:37pm UTC](https://discourse.slicer.org/t/brain-volume-on-5mm-head-ct/8012 "2019-08-15T16:37:52Z")

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Hello! I’ve been struggling with finding a method to infer brain volume on clinically obtained head CTs. We have tried to segment brain tissue with the intensity tool in the editor but there is significant overlap betwe…

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## [download python 2.7.2 on mac OS mojave](https://discourse.slicer.org/t/download-python-2-7-2-on-mac-os-mojave/8022)

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**Author:** [@Hoda](https://discourse.slicer.org/u/Hoda)\
**Replies:** 1\
**Last updated:** [August 15, 2019, 4:36pm UTC](https://discourse.slicer.org/t/download-python-2-7-2-on-mac-os-mojave/8022 "2019-08-15T16:36:00Z")

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hi i wasn’t able to download python on my macOS mojave. all links are for mac OS X. thanks, Operating system: Slicer version: Expected behavior: Actual behavior:

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## [Ultrasound slice is not aligned with reconstructed volume](https://discourse.slicer.org/t/ultrasound-slice-is-not-aligned-with-reconstructed-volume/7247)

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**Author:** [@vgonzalezd](https://discourse.slicer.org/u/vgonzalezd)\
**Replies:** 6\
**Last updated:** [August 15, 2019, 3:21pm UTC](https://discourse.slicer.org/t/ultrasound-slice-is-not-aligned-with-reconstructed-volume/7247 "2019-08-15T15:21:04Z")

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Hello, I have 3 questions: Does anyone have an idea why my ultrasound images don’t match over my reconstructed volume? I create my volume with PLUS, and the ImageToProbeTransform is included in the imageToReference…

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## [Loading only specific images in a folder. ](https://discourse.slicer.org/t/loading-only-specific-images-in-a-folder/8045)

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**Author:** [@garbulinskamaja](https://discourse.slicer.org/u/garbulinskamaja)\
**Replies:** 1\
**Last updated:** [August 15, 2019, 3:09pm UTC](https://discourse.slicer.org/t/loading-only-specific-images-in-a-folder/8045 "2019-08-15T15:09:04Z")

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I have a folder with 460 images. I would like to load only 3 of them at the same time. Not one and not 460 using the python interactor. Now to load all of them I am using this code: image\_path\_slicer = os.path.join(pro…

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## [Adding myocardium to cardiac segmentation](https://discourse.slicer.org/t/adding-myocardium-to-cardiac-segmentation/8042)

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**Author:** [@sarvpriya1985](https://discourse.slicer.org/u/sarvpriya1985)\
**Replies:** 4\
**Last updated:** [August 15, 2019, 2:20pm UTC](https://discourse.slicer.org/t/adding-myocardium-to-cardiac-segmentation/8042 "2019-08-15T14:20:43Z")

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Hi everyone, I recently found a video link on youtube to add myocardium to cardiac segmentation(adding myocardium). I tried repeating steps in segment editor but running into some issues. First step: Segmented blood p…

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## [Rotate to volume plane](https://discourse.slicer.org/t/rotate-to-volume-plane/8032)

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**Author:** [@Leon](https://discourse.slicer.org/u/Leon)\
**Replies:** 3\
**Last updated:** [August 15, 2019, 11:52am UTC](https://discourse.slicer.org/t/rotate-to-volume-plane/8032 "2019-08-15T11:52:49Z")

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Maybe someone has already asked this question before, but I could not find it in one of the topics on this forum. I’ve noticed that sometimes when I load a serie of dicom’s that they are not always properly displayed in…

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## [dcm contour propagation](https://discourse.slicer.org/t/dcm-contour-propagation/8026)

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**Author:** [@vietlebao](https://discourse.slicer.org/u/vietlebao)\
**Replies:** 4\
**Last updated:** [August 15, 2019, 6:45am UTC](https://discourse.slicer.org/t/dcm-contour-propagation/8026 "2019-08-15T06:45:58Z")

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Hi there, I am a newbie here and it is also the first time asking. I have a CT image with a manual contour (CT1), and another CT (CT2) image with no contour. I would want to register CT2 to CT1 (I have done this, and no…

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## [Error in installing OpenIGTLink](https://discourse.slicer.org/t/error-in-installing-openigtlink/8015)

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**Author:** [@ahmed\_elshreif](https://discourse.slicer.org/u/ahmed_elshreif)\
**Replies:** 2\
**Last updated:** [August 14, 2019, 5:22pm UTC](https://discourse.slicer.org/t/error-in-installing-openigtlink/8015 "2019-08-14T17:22:44Z")

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I use windows 10 with amd64 what is the version of the Cmake that should I use and which generator to use with is like the attached image Also after that I how tyo compile the sln as I tried to compile it with diffren…

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## [Error building slicer on Windows 10 (CTK problem?)](https://discourse.slicer.org/t/error-building-slicer-on-windows-10-ctk-problem/8028)

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**Author:** [@aalarcon96](https://discourse.slicer.org/u/aalarcon96)\
**Replies:** 4\
**Last updated:** [August 14, 2019, 4:44pm UTC](https://discourse.slicer.org/t/error-building-slicer-on-windows-10-ctk-problem/8028 "2019-08-14T16:44:24Z")

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Hi, I am trying to build slicer on Windows 10, using Visual Studios 2019 and Qt 5.10. I came across this error after building “ALL\_BUILD” in release mode. Could it be that I needed to download some package beforehand? 4…

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## [Multisegment merging into one model for STL export](https://discourse.slicer.org/t/multisegment-merging-into-one-model-for-stl-export/2424)

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**Author:** [@J\_Scales](https://discourse.slicer.org/u/J_Scales)\
**Replies:** 10\
**Last updated:** [August 14, 2019, 3:10pm UTC](https://discourse.slicer.org/t/multisegment-merging-into-one-model-for-stl-export/2424 "2019-08-14T15:10:26Z")

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New to using 3D slicer and have followed the cardiac segmentation video and had a question regarding export of the segments into STL. It seems that when one goes to export each segment as a model they are exported as the…

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## [Dicom tags lost while saving scene](https://discourse.slicer.org/t/dicom-tags-lost-while-saving-scene/7999)

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**Author:** [@Alex\_Vergara](https://discourse.slicer.org/u/Alex_Vergara)\
**Replies:** 10\
**Last updated:** [August 14, 2019, 3:01pm UTC](https://discourse.slicer.org/t/dicom-tags-lost-while-saving-scene/7999 "2019-08-14T15:01:12Z")

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When I save the scene as a mrb the dicom tags of my files are lost. Load a study from dicom node (modality and acquisition time are available, also other dicom tags) Do some processing save scene as mrb Load scene back…

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## [Trouble segmenting the Tongue, after fixing threshold](https://discourse.slicer.org/t/trouble-segmenting-the-tongue-after-fixing-threshold/7907)

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**Author:** [@Raid](https://discourse.slicer.org/u/Raid)\
**Replies:** 3\
**Last updated:** [August 14, 2019, 3:58am UTC](https://discourse.slicer.org/t/trouble-segmenting-the-tongue-after-fixing-threshold/7907 "2019-08-14T03:58:42Z")

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Operating system: Windows 10 Enterprise Slicer version: 4.10.2 Data type: NRRD Hello, I’m working on a human fetal head stained with Phosphotungstic acid (PTA) to be able to visualize soft tissue. I’ve used the sciss…

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## [Real Time Visualization](https://discourse.slicer.org/t/real-time-visualization/7854)

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**Author:** [@ahmed\_elshreif](https://discourse.slicer.org/u/ahmed_elshreif)\
**Replies:** 12\
**Last updated:** [August 13, 2019, 8:34pm UTC](https://discourse.slicer.org/t/real-time-visualization/7854 "2019-08-13T20:34:29Z")

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Hello all, I am using a Software for OCT that send me a real time frames that it takes and I want to use Slicer to make a real time 3D object Visualization. I need to modify in my software to open Slicer and start sendi…

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## [VMTK vessel filtering not working](https://discourse.slicer.org/t/vmtk-vessel-filtering-not-working/1263)

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**Author:** [@Keno\_Mentor](https://discourse.slicer.org/u/Keno_Mentor)\
**Replies:** 41\
**Last updated:** [August 13, 2019, 3:22pm UTC](https://discourse.slicer.org/t/vmtk-vessel-filtering-not-working/1263 "2019-08-13T15:22:47Z")

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Operating system: macOS Slicer version: 4.5 Expected behavior: Actual behavior: Hello again, Trying to use the VMTK module which I recently downloaded. When I select the vessel filtering option I get a “failure to …

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## [Help with segment editor sphere brush](https://discourse.slicer.org/t/help-with-segment-editor-sphere-brush/8002)

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**Author:** [@Roni](https://discourse.slicer.org/u/Roni)\
**Replies:** 1\
**Last updated:** [August 13, 2019, 3:19pm UTC](https://discourse.slicer.org/t/help-with-segment-editor-sphere-brush/8002 "2019-08-13T15:19:16Z")

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Hi There, I am trying to use the spere brush option for thresholded segmentation in “segment editor” module. specifications: Slicer version: 4.10.2 OS: windows Data : 3D (dicom2nii converted) Expected behaviour: us…

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