# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=413

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

**Page:** 414

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## [Failed to load CTA data](https://discourse.slicer.org/t/failed-to-load-cta-data/3295)

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**Author:** [@cyufu](https://discourse.slicer.org/u/cyufu)\
**Replies:** 4\
**Last updated:** [September 6, 2018, 3:06am UTC](https://discourse.slicer.org/t/failed-to-load-cta-data/3295 "2018-09-06T03:06:33Z")

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Operating system: Windows 10 Slicer version: 4.7.0 (2017-10-14,Extensions-26457) I am using the DICOM Browser to import and load CTA data，successful！ The Python Interactor gives the following message: Op…

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## [Crash when using Volumes module on Windows 7 after 4.9 version](https://discourse.slicer.org/t/crash-when-using-volumes-module-on-windows-7-after-4-9-version/1711)

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**Author:** [@timeanddoctor](https://discourse.slicer.org/u/timeanddoctor)\
**Replies:** 9\
**Last updated:** [December 24, 2017, 7:10pm UTC](https://discourse.slicer.org/t/crash-when-using-volumes-module-on-windows-7-after-4-9-version/1711 "2017-12-24T19:10:03Z")

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Operating system: Slicer version: Expected behavior: Actual behavior:

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## [Volume Rendering not recognizing volume](https://discourse.slicer.org/t/volume-rendering-not-recognizing-volume/3955)

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**Author:** [@Nicholas.jacobson](https://discourse.slicer.org/u/Nicholas.jacobson)\
**Replies:** 5\
**Last updated:** [September 5, 2018, 3:00pm UTC](https://discourse.slicer.org/t/volume-rendering-not-recognizing-volume/3955 "2018-09-05T15:00:34Z")

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Hi all, After importing a DCM file stack, I am taking the usual approach of heading to the volume rendering module. However, this time I am not getting any volumes to appear in the drop down… just rename or delete optio…

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## [Creating an average model out of several models by using the ShapeVariationAnalyser](https://discourse.slicer.org/t/creating-an-average-model-out-of-several-models-by-using-the-shapevariationanalyser/3988)

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**Author:** [@katharina\_hecker](https://discourse.slicer.org/u/katharina_hecker)\
**Replies:** 0\
**Last updated:** [September 5, 2018, 10:19am UTC](https://discourse.slicer.org/t/creating-an-average-model-out-of-several-models-by-using-the-shapevariationanalyser/3988 "2018-09-05T10:19:06Z")

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Hi everyone, I´m currently working with the ShapeVariationAnalyser Extension in the 3D Slicer version 4.8.1. My aim is to create an average model out of seven vtk models, which have all the same amount of points. I wa…

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## [Slicer 4.8 stopped working](https://discourse.slicer.org/t/slicer-4-8-stopped-working/3982)

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**Author:** [@holmesrb](https://discourse.slicer.org/u/holmesrb)\
**Replies:** 2\
**Last updated:** [September 5, 2018, 3:47am UTC](https://discourse.slicer.org/t/slicer-4-8-stopped-working/3982 "2018-09-05T03:47:28Z")

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Operating system: Windows 7 Pro SP1 64 bit Slicer version: 4.8 Expected behavior: Running normally Actual behavior: Slicer 4.8 was running successfully on a PC with 8Gb RAM and has stopped - the slicer screen appears …

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## [Newby question, Fiducial points for changin RAS orientation](https://discourse.slicer.org/t/newby-question-fiducial-points-for-changin-ras-orientation/3981)

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**Author:** [@SebastianE93](https://discourse.slicer.org/u/SebastianE93)\
**Replies:** 4\
**Last updated:** [September 5, 2018, 1:28am UTC](https://discourse.slicer.org/t/newby-question-fiducial-points-for-changin-ras-orientation/3981 "2018-09-05T01:28:29Z")

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Operating system: win 10 - 64 Slicer version: 4.8.1 Expected behavior: Actual behavior: I would like to know how to use 3 fiducial points to get a plane that could be my anterior plane in RAS orientation. I tried to …

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## [FiberTractMeasurements not writing to output file](https://discourse.slicer.org/t/fibertractmeasurements-not-writing-to-output-file/3953)

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**Author:** [@Saba\_Shahab](https://discourse.slicer.org/u/Saba_Shahab)\
**Replies:** 2\
**Last updated:** [September 4, 2018, 7:56pm UTC](https://discourse.slicer.org/t/fibertractmeasurements-not-writing-to-output-file/3953 "2018-09-04T19:56:58Z")

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Operating system: NAME=“Ubuntu” VERSION=“16.04.3 LTS (Xenial Xerus)” ID=ubuntu ID\_LIKE=debian PRETTY\_NAME=“Ubuntu 16.04.3 LTS” VERSION\_ID=“16.04” Slicer version: slicer nightly version (updated as of 2018-08-20) …

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## [How to set up real-time position tracking of tools using 2D barcodes](https://discourse.slicer.org/t/how-to-set-up-real-time-position-tracking-of-tools-using-2d-barcodes/3985)

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**Author:** [@kamrul079](https://discourse.slicer.org/u/kamrul079)\
**Replies:** 3\
**Last updated:** [September 4, 2018, 6:38pm UTC](https://discourse.slicer.org/t/how-to-set-up-real-time-position-tracking-of-tools-using-2d-barcodes/3985 "2018-09-04T18:38:24Z")

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## [Observing and tracking ScriptedLoadableModuleLogic](https://discourse.slicer.org/t/observing-and-tracking-scriptedloadablemodulelogic/3975)

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**Author:** [@dominicrushforth](https://discourse.slicer.org/u/dominicrushforth)\
**Replies:** 1\
**Last updated:** [September 3, 2018, 4:36pm UTC](https://discourse.slicer.org/t/observing-and-tracking-scriptedloadablemodulelogic/3975 "2018-09-03T16:36:10Z")

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I am doing some image processing in a ScriptedLoadableModuleLogic module. I would like to set up a progress bar to show that the logic is running and connect to another routine on completion. I have been trying to emula…

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## [Importing jpeg series](https://discourse.slicer.org/t/importing-jpeg-series/3970)

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**Author:** [@opetne](https://discourse.slicer.org/u/opetne)\
**Replies:** 3\
**Last updated:** [September 3, 2018, 4:19pm UTC](https://discourse.slicer.org/t/importing-jpeg-series/3970 "2018-09-03T16:19:34Z")

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Dear members, I have a series of jpeg images from a cat head sections. I wanted to import them as a series. I tried to import as a volume but without a success. After searching a solution, I opened the series in ImageJ …

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## [Regarding import](https://discourse.slicer.org/t/regarding-import/3962)

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**Author:** [@tomas](https://discourse.slicer.org/u/tomas)\
**Replies:** 4\
**Last updated:** [September 2, 2018, 1:33am UTC](https://discourse.slicer.org/t/regarding-import/3962 "2018-09-02T01:33:14Z")

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Operating system: windows 10 64 bit Slicer version: 4.9 nightly Expected behavior: import .mat file Actual behavior: doesn’t import Hi folks, I have some Ultrasound volume data (video data) saved as .mat files with …

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## [Using model-to-model distance and shape population viewer to find cortical thickness](https://discourse.slicer.org/t/using-model-to-model-distance-and-shape-population-viewer-to-find-cortical-thickness/3965)

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**Author:** [@jamesredd](https://discourse.slicer.org/u/jamesredd)\
**Replies:** 0\
**Last updated:** [September 1, 2018, 1:59am UTC](https://discourse.slicer.org/t/using-model-to-model-distance-and-shape-population-viewer-to-find-cortical-thickness/3965 "2018-09-01T01:59:46Z")

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Operating system: Ubuntu 18.04 Slicer version: 4.8.1-linux-amd64 I’m using the extensions model-to-model distance and shape population viewer with the purpose of finding distance between cortical surface and white matt…

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## [How to apply a BSpline Transformation Field(produced by a registration) to another volume image(for DeepLearning Data Augmentation)? ](https://discourse.slicer.org/t/how-to-apply-a-bspline-transformation-field-produced-by-a-registration-to-another-volume-image-for-deeplearning-data-augmentation/3923)

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**Author:** [@Scorbinwen](https://discourse.slicer.org/u/Scorbinwen)\
**Replies:** 3\
**Last updated:** [September 1, 2018, 2:09am UTC](https://discourse.slicer.org/t/how-to-apply-a-bspline-transformation-field-produced-by-a-registration-to-another-volume-image-for-deeplearning-data-augmentation/3923 "2018-09-01T02:09:32Z")

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Operating system: window10 Slicer version:4.8.1 Expected behavior: Actual behavior: I’m now ongoing a project of medical image analysis based on deep learning,but the dataset I can obtain is really limited,so I want …

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## [Registration 2 images visualisation error?](https://discourse.slicer.org/t/registration-2-images-visualisation-error/3961)

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**Author:** [@Laura](https://discourse.slicer.org/u/Laura)\
**Replies:** 9\
**Last updated:** [August 31, 2018, 8:20pm UTC](https://discourse.slicer.org/t/registration-2-images-visualisation-error/3961 "2018-08-31T20:20:35Z")

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Good evening, On the Elastix General Registration Module (on MacOS), I am doing a generic rigid preset. However, when I superimpose the 2 images (the one “fixed” and the one “resampled, after the registration”, I have …

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## [How to import a slicer segmentation into other tools like matlab?](https://discourse.slicer.org/t/how-to-import-a-slicer-segmentation-into-other-tools-like-matlab/3958)

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**Author:** [@Chongran\_Sun](https://discourse.slicer.org/u/Chongran_Sun)\
**Replies:** 2\
**Last updated:** [August 31, 2018, 5:08pm UTC](https://discourse.slicer.org/t/how-to-import-a-slicer-segmentation-into-other-tools-like-matlab/3958 "2018-08-31T17:08:53Z")

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Operating system: Mac OS Slicer version: 4.8.1 Expected behavior: I saved my tumor segmentation as a nrrd file or seg.nrrd file and open them in other tools (MRIcron, matlab). When I open the segmentation, I need t…

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## [Warning: Plugin failed: DICOMTID1500Plugin See python console for error message](https://discourse.slicer.org/t/warning-plugin-failed-dicomtid1500plugin-see-python-console-for-error-message/3956)

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**Author:** [@TingtingYu](https://discourse.slicer.org/u/TingtingYu)\
**Replies:** 4\
**Last updated:** [August 31, 2018, 2:19pm UTC](https://discourse.slicer.org/t/warning-plugin-failed-dicomtid1500plugin-see-python-console-for-error-message/3956 "2018-08-31T14:19:51Z")

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Hi, I tried to import a folder with DICOM images. One of the DICOM image named StrctrSets.dcm cannot be loaded individually. I opened the DICOM module, then I chose one patient, one study, and clicked advanced and exami…

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## [Nii saving (bit range)](https://discourse.slicer.org/t/nii-saving-bit-range/3948)

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**Author:** [@Heiko\_Stark](https://discourse.slicer.org/u/Heiko_Stark)\
**Replies:** 2\
**Last updated:** [August 31, 2018, 1:41pm UTC](https://discourse.slicer.org/t/nii-saving-bit-range/3948 "2018-08-31T13:41:40Z")

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Operating system: Linux Slicer version: 4.8 Expected behavior: smallest bit resolution in nii file Actual behavior: signed int32 My data are in the range of -2000…7000. How can I modify it?

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## [Command line conversion of DICOM images and RTStruct to NRRD](https://discourse.slicer.org/t/command-line-conversion-of-dicom-images-and-rtstruct-to-nrrd/3950)

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**Author:** [@Daniel\_Marcus](https://discourse.slicer.org/u/Daniel_Marcus)\
**Replies:** 1\
**Last updated:** [August 30, 2018, 9:03pm UTC](https://discourse.slicer.org/t/command-line-conversion-of-dicom-images-and-rtstruct-to-nrrd/3950 "2018-08-30T21:03:35Z")

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Hey all, We’re looking to convert DICOM images and associated RTStructs to NRRD from the command line (actually as an automation in XNAT). Before we dig in, I just wanted to check on the state of the art for doing this …

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## [Error message when Slicer 4.9 starts](https://discourse.slicer.org/t/error-message-when-slicer-4-9-starts/3943)

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**Author:** [@Cerezha](https://discourse.slicer.org/u/Cerezha)\
**Replies:** 4\
**Last updated:** [August 30, 2018, 11:56am UTC](https://discourse.slicer.org/t/error-message-when-slicer-4-9-starts/3943 "2018-08-30T11:56:50Z")

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Problem report for Slicer 4.9.0-2018-08-28 linux-amd64: Hello everyone New version 4.9 produce the error messages at the start (see below), before loading the data. I am wondering if somebody can read the log (below) a…

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## [Assigning angle information to tiff images for CT scan ](https://discourse.slicer.org/t/assigning-angle-information-to-tiff-images-for-ct-scan/3936)

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**Author:** [@Isabel\_Gordon](https://discourse.slicer.org/u/Isabel_Gordon)\
**Replies:** 2\
**Last updated:** [August 29, 2018, 5:51pm UTC](https://discourse.slicer.org/t/assigning-angle-information-to-tiff-images-for-ct-scan/3936 "2018-08-29T17:51:27Z")

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Hi, Fairly new to Slicer and have been given a sequence of CT images from a collegue. The Images are a list of tiffs each from at specific angle. I have the corresponding angle of each of these but I am unsure how to m…

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## [How to select the external surface of a model](https://discourse.slicer.org/t/how-to-select-the-external-surface-of-a-model/3917)

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**Author:** [@giulia29](https://discourse.slicer.org/u/giulia29)\
**Replies:** 5\
**Last updated:** [August 29, 2018, 11:56am UTC](https://discourse.slicer.org/t/how-to-select-the-external-surface-of-a-model/3917 "2018-08-29T11:56:26Z")

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I have a stl model of an arm, I do not have the CT. from this model I have to select only the external surface and give it a thickness to make an orthopedic brace. I can not figure out how to select only the external su…

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## [Errors reading Dicom files from CIRRUS HD-OCT](https://discourse.slicer.org/t/errors-reading-dicom-files-from-cirrus-hd-oct/3890)

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**Author:** [@Ekisolid](https://discourse.slicer.org/u/Ekisolid)\
**Replies:** 6\
**Last updated:** [August 28, 2018, 10:12pm UTC](https://discourse.slicer.org/t/errors-reading-dicom-files-from-cirrus-hd-oct/3890 "2018-08-28T22:12:50Z")

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Operating system: Windows 10 Slicer version:4.8.1 Expected behavior:loading Dicom files from CIRRUS HD-OCT Actual behavior: errors in loading process.

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## [Pivot Calibration Algorithm](https://discourse.slicer.org/t/pivot-calibration-algorithm/3932)

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**Author:** [@Houssam\_El-Hariri](https://discourse.slicer.org/u/Houssam_El-Hariri)\
**Replies:** 1\
**Last updated:** [August 28, 2018, 9:43pm UTC](https://discourse.slicer.org/t/pivot-calibration-algorithm/3932 "2018-08-28T21:43:59Z")

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Hello, Is there a paper or similar reference that describes the pivot calibration algorithm that is used in the SlicerIGT module? Thanks, Houssam

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## [See DTI Prep Installed in Wizards Extension but do not see it as an option on ](https://discourse.slicer.org/t/see-dti-prep-installed-in-wizards-extension-but-do-not-see-it-as-an-option-on/3926)

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**Author:** [@belleauel](https://discourse.slicer.org/u/belleauel)\
**Replies:** 3\
**Last updated:** [August 28, 2018, 6:58pm UTC](https://discourse.slicer.org/t/see-dti-prep-installed-in-wizards-extension-but-do-not-see-it-as-an-option-on/3926 "2018-08-28T18:58:52Z")

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Hello Slicer Experts, I am using Slicer 4.4.0 on a Mac. I see that I have installed DTIPrep and it appears on my extension wizard but does not show up as a module I can choose from. I would have expected it to show up u…

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## [How to perform Freesurfer files in Slicer? ](https://discourse.slicer.org/t/how-to-perform-freesurfer-files-in-slicer/3907)

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**Author:** [@AlbertCH](https://discourse.slicer.org/u/AlbertCH)\
**Replies:** 1\
**Last updated:** [August 28, 2018, 3:38pm UTC](https://discourse.slicer.org/t/how-to-perform-freesurfer-files-in-slicer/3907 "2018-08-28T15:38:52Z")

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Hi,everone. Could you please help me on the performance of freesurfer files in Slicer? Is there a special module? or, can I get more information somewhere, please? THANKS A LOT.

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## [Conerting RTstruct file to nrrd : Getting a meaningful result with correct dimensions?](https://discourse.slicer.org/t/conerting-rtstruct-file-to-nrrd-getting-a-meaningful-result-with-correct-dimensions/3921)

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**Author:** [@sdoken](https://discourse.slicer.org/u/sdoken)\
**Replies:** 1\
**Last updated:** [August 28, 2018, 2:56pm UTC](https://discourse.slicer.org/t/conerting-rtstruct-file-to-nrrd-getting-a-meaningful-result-with-correct-dimensions/3921 "2018-08-28T14:56:49Z")

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Operating system: MacOS Slicer version: 4.9.0.-2018-08-04 Expected behavior: Produce nrrd file with 15x512x512x128 dimensions Actual behavior: Finding nrrd file with 15x357x211x128 dimensions Hi All, Would someone…

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## [Iterative CIosest Point (ICPSlicer) algorithm source](https://discourse.slicer.org/t/iterative-ciosest-point-icpslicer-algorithm-source/3918)

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**Author:** [@Ricardo\_Mesquita](https://discourse.slicer.org/u/Ricardo_Mesquita)\
**Replies:** 2\
**Last updated:** [August 28, 2018, 1:47pm UTC](https://discourse.slicer.org/t/iterative-ciosest-point-icpslicer-algorithm-source/3918 "2018-08-28T13:47:11Z")

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Hi all, i’m trying to figure out if the ICP implemented in slicer is the standard ICP algorithm or some kind of modified ICP algorithm. The standard ICP algorithm lacks in some important aspects that will increase the r…

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## [Transformation field does not match the volume field](https://discourse.slicer.org/t/transformation-field-does-not-match-the-volume-field/3922)

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**Author:** [@Scorbinwen](https://discourse.slicer.org/u/Scorbinwen)\
**Replies:** 0\
**Last updated:** [August 28, 2018, 1:39pm UTC](https://discourse.slicer.org/t/transformation-field-does-not-match-the-volume-field/3922 "2018-08-28T13:39:08Z")

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Operating system: window10 Slicer version:4.8.1 Expected behavior: Actual behavior: I’m now ongoing a project of medical image analysis based on deep learning,but the dataset I can obtain is really limited,so I want …

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## [Can segments be used as input regions in feature calculation?](https://discourse.slicer.org/t/can-segments-be-used-as-input-regions-in-feature-calculation/3878)

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**Author:** [@TingtingYu](https://discourse.slicer.org/u/TingtingYu)\
**Replies:** 6\
**Last updated:** [August 27, 2018, 2:17am UTC](https://discourse.slicer.org/t/can-segments-be-used-as-input-regions-in-feature-calculation/3878 "2018-08-27T02:17:46Z")

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Hi, I loaded DICOM-RT using DICOM module. When I turned to Data Module, the RT structure was shown as a segment. Can this segment used as input region in radiomics calculation? I am a little confused about that. RT-Stru…

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## [3D / 4D Philips and GE volumes to 3dSlicer](https://discourse.slicer.org/t/3d-4d-philips-and-ge-volumes-to-3dslicer/3897)

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**Author:** [@diogopmartins](https://discourse.slicer.org/u/diogopmartins)\
**Replies:** 1\
**Last updated:** [August 26, 2018, 7:47pm UTC](https://discourse.slicer.org/t/3d-4d-philips-and-ge-volumes-to-3dslicer/3897 "2018-08-26T19:47:24Z")

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Dear all, I need some help to import 3d volume data from Philips epic7 and GE e95 to 3dSlicer. I installed SlicerHeart with Philips 4D patcher. I can convert those files because show this message: Examining ./us003.d…

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