# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=421

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

**Page:** 422

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## [Navigation with NDI Aurora/Polaris tracker](https://discourse.slicer.org/t/navigation-with-ndi-aurora-polaris-tracker/905)

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**Author:** [@Hwang\_YoungEun](https://discourse.slicer.org/u/Hwang_YoungEun)\
**Replies:** 10\
**Last updated:** [January 30, 2018, 2:06pm UTC](https://discourse.slicer.org/t/navigation-with-ndi-aurora-polaris-tracker/905 "2018-01-30T14:06:04Z")

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I want to build a surgical navigation system using NDI’s Aurora(Polaris) and Slicer program. But there were some problems in linking Aurora(Polaris) with the Slicer program. First, I have used NDI OpenIGTLink to send Au…

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## [Questions about using 3D Slicer. ( coordinates , viewer )](https://discourse.slicer.org/t/questions-about-using-3d-slicer-coordinates-viewer/3105)

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**Author:** [@HwangJeongUk](https://discourse.slicer.org/u/HwangJeongUk)\
**Replies:** 4\
**Last updated:** [June 8, 2018, 3:01pm UTC](https://discourse.slicer.org/t/questions-about-using-3d-slicer-coordinates-viewer/3105 "2018-06-08T15:01:52Z")

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There are a few questions about using 3D Slicer. Can I change the coordinates of the model shown in 3Dveiwer before extracting with stl? Can we match the stl model to the CT and extract the model with its coordinates? C…

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## [.stl file uploaded does not appear as a "volume"](https://discourse.slicer.org/t/stl-file-uploaded-does-not-appear-as-a-volume/3114)

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**Author:** [@DavideBassano](https://discourse.slicer.org/u/DavideBassano)\
**Replies:** 6\
**Last updated:** [June 8, 2018, 2:52pm UTC](https://discourse.slicer.org/t/stl-file-uploaded-does-not-appear-as-a-volume/3114 "2018-06-08T14:52:57Z")

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Hi, my .stl file is not considered a volume in the “volume” module and neither in the “landmark registration” module. Why? Is there a way to solve this problem? Pictures are following to explain better my problem: I …

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## [Viewing image data eg: slice number,sequence parameters](https://discourse.slicer.org/t/viewing-image-data-eg-slice-number-sequence-parameters/2957)

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**Author:** [@Ash\_Alarfaj](https://discourse.slicer.org/u/Ash_Alarfaj)\
**Replies:** 2\
**Last updated:** [June 8, 2018, 11:50am UTC](https://discourse.slicer.org/t/viewing-image-data-eg-slice-number-sequence-parameters/2957 "2018-06-08T11:50:07Z")

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Hi I don’t know if I can see slice number and other MRI image parameters on the viewer ? thanks

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## [Color Map corresponding to Scalar Values](https://discourse.slicer.org/t/color-map-corresponding-to-scalar-values/3117)

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**Author:** [@aadrienne](https://discourse.slicer.org/u/aadrienne)\
**Replies:** 2\
**Last updated:** [June 7, 2018, 11:22pm UTC](https://discourse.slicer.org/t/color-map-corresponding-to-scalar-values/3117 "2018-06-07T23:22:34Z")

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Hello! I am new to Slicer 3D and I am working on segmentation and quantification for two different MRI scans. I have been able to segment specific regions, but I wanted to know if there were any options to show the spec…

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## [Different volumes statisfics](https://discourse.slicer.org/t/different-volumes-statisfics/3119)

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**Author:** [@Ert0](https://discourse.slicer.org/u/Ert0)\
**Replies:** 2\
**Last updated:** [June 7, 2018, 11:19pm UTC](https://discourse.slicer.org/t/different-volumes-statisfics/3119 "2018-06-07T23:19:51Z")

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I am working with volumes and áreas of cross sectional muscles. I noticed that the volume and surface areas are different wheter we use Label Statistics (first picture) or Models (second picture)… What is the correct …

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## [Slicer-4.8.0 win x86](https://discourse.slicer.org/t/slicer-4-8-0-win-x86/3107)

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**Author:** [@Vegard](https://discourse.slicer.org/u/Vegard)\
**Replies:** 2\
**Last updated:** [June 7, 2018, 6:51pm UTC](https://discourse.slicer.org/t/slicer-4-8-0-win-x86/3107 "2018-06-07T18:51:22Z")

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Operating system: win 7 32 Slicer version:Slicer-4.8.0 x86 Hi I’m looking for Slicer-4.8.0 win x86, but I can only find Slicer-4.8.0-win-amd64.exe on the download site. Where can i find the link for the 32 bit Version…

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## [Best Machine for 3D slicer](https://discourse.slicer.org/t/best-machine-for-3d-slicer/2780)

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**Author:** [@m.hilani](https://discourse.slicer.org/u/m.hilani)\
**Replies:** 2\
**Last updated:** [June 7, 2018, 4:37pm UTC](https://discourse.slicer.org/t/best-machine-for-3d-slicer/2780 "2018-06-07T16:37:23Z")

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Hello, What is the best machine to have for using the 3D slicer? I want to segment many organs for a pediatric MRI and I need a machine that can support my work graphically and technically. Is there a difference betwe…

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## [3D Slicer Model Maker](https://discourse.slicer.org/t/3d-slicer-model-maker/3113)

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**Author:** [@David\_Barriere](https://discourse.slicer.org/u/David_Barriere)\
**Replies:** 0\
**Last updated:** [June 7, 2018, 2:33pm UTC](https://discourse.slicer.org/t/3d-slicer-model-maker/3113 "2018-06-07T14:33:39Z")

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Dear 3D Slicer expert, I doxnloaded the new version of 3D slicer on my laptop today (4.8 stable version). I 'd like to use the model maker plugging to generate 3D surface model. Unfortunately the module fail to const…

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## [How to load an entire entire dicom directory using the widget button on a python code?](https://discourse.slicer.org/t/how-to-load-an-entire-entire-dicom-directory-using-the-widget-button-on-a-python-code/3088)

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**Author:** [@Rahul\_Banerjee](https://discourse.slicer.org/u/Rahul_Banerjee)\
**Replies:** 4\
**Last updated:** [June 7, 2018, 2:29pm UTC](https://discourse.slicer.org/t/how-to-load-an-entire-entire-dicom-directory-using-the-widget-button-on-a-python-code/3088 "2018-06-07T14:29:59Z")

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I could only load individual files using the default slicelet code given on the website and the documentation, would like help as I want to upload an entire dicom directory.

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## [Need to see slice number](https://discourse.slicer.org/t/need-to-see-slice-number/3110)

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**Author:** [@Ash\_Alarfaj](https://discourse.slicer.org/u/Ash_Alarfaj)\
**Replies:** 1\
**Last updated:** [June 7, 2018, 1:58pm UTC](https://discourse.slicer.org/t/need-to-see-slice-number/3110 "2018-06-07T13:58:35Z")

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Operating system:Windows Slicer version:4.9 Expected behavior: show the slice number and other image parameter. Actual behavior: no enough info on image Hi I would thank people who create this upstanding programme, …

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## [Coordinates and nerve](https://discourse.slicer.org/t/coordinates-and-nerve/3108)

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**Author:** [@JungUk\_Hwang](https://discourse.slicer.org/u/JungUk_Hwang)\
**Replies:** 0\
**Last updated:** [June 7, 2018, 11:41am UTC](https://discourse.slicer.org/t/coordinates-and-nerve/3108 "2018-06-07T11:41:54Z")

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Operating system: window7 Slicer version: 4.9.0 Expected behavior: Actual behavior: There are a few questions about using 3D Slicer. Can I change the coordinates of the model shown in 3Dveiwer before extracting wit…

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## [Stl The extracted file does not run](https://discourse.slicer.org/t/stl-the-extracted-file-does-not-run/3062)

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**Author:** [@HwangJeongUk](https://discourse.slicer.org/u/HwangJeongUk)\
**Replies:** 4\
**Last updated:** [June 7, 2018, 9:01am UTC](https://discourse.slicer.org/t/stl-the-extracted-file-does-not-run/3062 "2018-06-07T09:01:00Z")

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Operating system: windows 7 Slicer version: 4.9.0 Expected behavior: Actual behavior: I set up the area to extract stl as shown in the figure above. Then the exported stl file will not open. I am using 3Shape 3…

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## [Group mean shape by using shapeVariationAnalyzer](https://discourse.slicer.org/t/group-mean-shape-by-using-shapevariationanalyzer/3044)

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**Author:** [@Hamed\_RABIEI](https://discourse.slicer.org/u/Hamed_RABIEI)\
**Replies:** 2\
**Last updated:** [June 7, 2018, 8:05am UTC](https://discourse.slicer.org/t/group-mean-shape-by-using-shapevariationanalyzer/3044 "2018-06-07T08:05:06Z")

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Hi, I am using shapeVariationAnalyzer module to compute the mean shape of some 3D triangulated hippocampus surfaces. Inputs are proper vtk mesh files. The module works without raising any error, however, the output is a…

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## [Volume rendering/vessel segmentation of OCT](https://discourse.slicer.org/t/volume-rendering-vessel-segmentation-of-oct/3094)

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**Author:** [@Philipp.nicol](https://discourse.slicer.org/u/Philipp.nicol)\
**Replies:** 2\
**Last updated:** [June 6, 2018, 8:33pm UTC](https://discourse.slicer.org/t/volume-rendering-vessel-segmentation-of-oct/3094 "2018-06-06T20:33:25Z")

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Hey, I’m fairly new with 3D slicer so forgive me for any stupidities. I’ve been trying to produce 3d volume renderings of OCT pullbacks (DICOM) from coronary arteries but somehow my results so far were unsatisfying. I’v…

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## [Accessing data from an Orthanc PACS server](https://discourse.slicer.org/t/accessing-data-from-an-orthanc-pacs-server/1985)

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**Author:** [@stevenagl12](https://discourse.slicer.org/u/stevenagl12)\
**Replies:** 8\
**Last updated:** [June 6, 2018, 8:23pm UTC](https://discourse.slicer.org/t/accessing-data-from-an-orthanc-pacs-server/1985 "2018-06-06T20:23:50Z")

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Hi, I am collaborating with another lab that exclusively uses the Orthanc PACS server for their DICOM data and I was wondering fi someone can tell me how to properly connect to the server to access the data through Slice…

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## [Create a new volume from other 3 ](https://discourse.slicer.org/t/create-a-new-volume-from-other-3/3097)

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**Author:** [@Jeronimo\_Sanchez\_Sto](https://discourse.slicer.org/u/Jeronimo_Sanchez_Sto)\
**Replies:** 3\
**Last updated:** [June 6, 2018, 7:43pm UTC](https://discourse.slicer.org/t/create-a-new-volume-from-other-3/3097 "2018-06-06T19:43:47Z")

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I have 3 volumes: SAG OK AXIAL OK COR OK Each one is a complete volume, but they have a better resolution only in one direction. When i render each one a full skull i shown but with awefull resolution I need to pick…

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## [Pkmodeling: How to modify time between acquisitions](https://discourse.slicer.org/t/pkmodeling-how-to-modify-time-between-acquisitions/3082)

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**Author:** [@bmb777](https://discourse.slicer.org/u/bmb777)\
**Replies:** 2\
**Last updated:** [June 6, 2018, 6:43pm UTC](https://discourse.slicer.org/t/pkmodeling-how-to-modify-time-between-acquisitions/3082 "2018-06-06T18:43:54Z")

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I am currently using the DICOM browser to import a image set with 70 time points/acquisitions that are separated by ~19 seconds, however the software appears to be interpreting the acquisitions as being separated by 10 m…

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## [Apple to deprecate OpenGL in OSX 10.14 Mojave](https://discourse.slicer.org/t/apple-to-deprecate-opengl-in-osx-10-14-mojave/3075)

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**Author:** [@jdx-john](https://discourse.slicer.org/u/jdx-john)\
**Replies:** 6\
**Last updated:** [June 5, 2018, 3:59pm UTC](https://discourse.slicer.org/t/apple-to-deprecate-opengl-in-osx-10-14-mojave/3075 "2018-06-05T15:59:09Z")

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Saw this from yesterday’s Apple conference. Obviously they are not removing GL from OSX anytime soon but that said, does Slicer (or maybe VTK?) already have support, or planned support, for Metal to replace GL? https://…

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## [How to use fiber bundle selection in tractography display?](https://discourse.slicer.org/t/how-to-use-fiber-bundle-selection-in-tractography-display/3077)

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**Author:** [@Jin](https://discourse.slicer.org/u/Jin)\
**Replies:** 2\
**Last updated:** [June 5, 2018, 1:54pm UTC](https://discourse.slicer.org/t/how-to-use-fiber-bundle-selection-in-tractography-display/3077 "2018-06-05T13:54:40Z")

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## [How can I modify Slicer's PYTHONPATH variable?](https://discourse.slicer.org/t/how-can-i-modify-slicers-pythonpath-variable/3069)

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**Author:** [@mangotee](https://discourse.slicer.org/u/mangotee)\
**Replies:** 4\
**Last updated:** [June 5, 2018, 6:30am UTC](https://discourse.slicer.org/t/how-can-i-modify-slicers-pythonpath-variable/3069 "2018-06-05T06:30:06Z")

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Hi all, afaik, Slicer does not inherit the system’s environment variables at startup, does it? If so, where does the python kernel in Slicer read its PYTHONPATH environment variable from? I have a few convenience functi…

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## [Error with Pkmodeling extension](https://discourse.slicer.org/t/error-with-pkmodeling-extension/3048)

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**Author:** [@bmb777](https://discourse.slicer.org/u/bmb777)\
**Replies:** 4\
**Last updated:** [June 4, 2018, 6:04pm UTC](https://discourse.slicer.org/t/error-with-pkmodeling-extension/3048 "2018-06-04T18:04:22Z")

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Hello, I am trying to use the Pkmodeling extension to analyze DCE-MRI images and I am receiving the error below: itk::ExceptionObject (0000004C75F13E18) Location: “unknown” File: D:\\D\\N\\S481-E-b\\PkModeling\\CLI\\PkMode…

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## [Trouble: 3D Slicer hangs while saving big amount of data after registration](https://discourse.slicer.org/t/trouble-3d-slicer-hangs-while-saving-big-amount-of-data-after-registration/2366)

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**Author:** [@RomanKir](https://discourse.slicer.org/u/RomanKir)\
**Replies:** 7\
**Last updated:** [June 4, 2018, 5:14pm UTC](https://discourse.slicer.org/t/trouble-3d-slicer-hangs-while-saving-big-amount-of-data-after-registration/2366 "2018-06-04T17:14:53Z")

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Hello! I have a trouble with saving files. The task I do is really simple. I load 2 files in Analyse format (.img, .hdr) and perform a Landmark-based registration. After hardening the transform I try to save my transfo…

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## [Binary File CSV](https://discourse.slicer.org/t/binary-file-csv/2791)

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**Author:** [@stevenagl12](https://discourse.slicer.org/u/stevenagl12)\
**Replies:** 3\
**Last updated:** [June 4, 2018, 2:19pm UTC](https://discourse.slicer.org/t/binary-file-csv/2791 "2018-06-04T14:19:54Z")

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How would you go about saving a csv file, or xml file for a binary labelmpa for use in other softwares, etc. Where every pixel with a 1 is tagged in the file with the x, y and z dimensions, etc.?

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## [Images went wrong after RT export](https://discourse.slicer.org/t/images-went-wrong-after-rt-export/3054)

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**Author:** [@mpsdw](https://discourse.slicer.org/u/mpsdw)\
**Replies:** 6\
**Last updated:** [June 4, 2018, 11:53am UTC](https://discourse.slicer.org/t/images-went-wrong-after-rt-export/3054 "2018-06-04T11:53:13Z")

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Operating system:windows Slicer version:4.3.1 Dear all： I have constructed some segments in T1+contrast images，and PET images were selected as master volume when I exported this structure in RT-export, but after tha…

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## [Measure thigh muscle volume](https://discourse.slicer.org/t/measure-thigh-muscle-volume/3045)

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**Author:** [@Ash\_Alarfaj](https://discourse.slicer.org/u/Ash_Alarfaj)\
**Replies:** 1\
**Last updated:** [June 3, 2018, 9:17pm UTC](https://discourse.slicer.org/t/measure-thigh-muscle-volume/3045 "2018-06-03T21:17:24Z")

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## [Error in DICOM Exporting](https://discourse.slicer.org/t/error-in-dicom-exporting/3050)

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**Author:** [@Stefania\_Julian](https://discourse.slicer.org/u/Stefania_Julian)\
**Replies:** 5\
**Last updated:** [June 3, 2018, 4:51pm UTC](https://discourse.slicer.org/t/error-in-dicom-exporting/3050 "2018-06-03T16:51:00Z")

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Operating system: Mac IOS Slicer version: 4.8.1 r26813 Expected behavior: Actual behavior: Error occured in exporter. Hello Im new in Slicer. Im trying to export TAC images I modified in Slicer. I need them in DICOM …

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## [Issue with multiple registrations on one MRI](https://discourse.slicer.org/t/issue-with-multiple-registrations-on-one-mri/3056)

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**Author:** [@muchenik](https://discourse.slicer.org/u/muchenik)\
**Replies:** 1\
**Last updated:** [June 3, 2018, 11:50am UTC](https://discourse.slicer.org/t/issue-with-multiple-registrations-on-one-mri/3056 "2018-06-03T11:50:14Z")

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Hello, My team’s use of 3D slicer requires both registering an MRI volume to an Atlas (using Landmark Registration) and registering the same MRI volume to a different volume (using Fiducials Models registration in IGT e…

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## [Significance of comparing 2 different scans](https://discourse.slicer.org/t/significance-of-comparing-2-different-scans/3042)

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**Author:** [@teresababy](https://discourse.slicer.org/u/teresababy)\
**Replies:** 1\
**Last updated:** [June 2, 2018, 4:11pm UTC](https://discourse.slicer.org/t/significance-of-comparing-2-different-scans/3042 "2018-06-02T16:11:53Z")

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I have an MRI of my head that was taken on a 1.5 T scanner a few years back and an MRI that was taken at 3 T last year. I want to compare the two scans to look at differences in the sinuses, the ventricles, and the tempo…

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## [Slicer 4.8.1 - Load Fiducial File](https://discourse.slicer.org/t/slicer-4-8-1-load-fiducial-file/2953)

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**Author:** [@Carlo](https://discourse.slicer.org/u/Carlo)\
**Replies:** 4\
**Last updated:** [June 1, 2018, 7:15pm UTC](https://discourse.slicer.org/t/slicer-4-8-1-load-fiducial-file/2953 "2018-06-01T19:15:06Z")

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Hi all, I’m a new developer in 3D Slicer and I’m practicing it. I have Ubuntu 16.04 LTS and 3D Slicer 4.8.1. I need to load a Fiducial File (.fcsv), an MRI/CT Image (.nii.gz). For this reason I go in the File -\> Add Dat…

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