# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=396

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

**Page:** 397

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## [How can use modified in Slicer images in a old navigation system?...](https://discourse.slicer.org/t/how-can-use-modified-in-slicer-images-in-a-old-navigation-system/5715)

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**Author:** [@ratuat](https://discourse.slicer.org/u/ratuat)\
**Replies:** 1\
**Last updated:** [February 11, 2019, 3:15pm UTC](https://discourse.slicer.org/t/how-can-use-modified-in-slicer-images-in-a-old-navigation-system/5715 "2019-02-11T15:15:05Z")

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Hi everyone! I ran into such a problem. How to merge MRI T1W series and tractography? How to export the processed (merged with tractography, pointed ROI’s) in 3DSlicer study back into DICOM format so that it can be…

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## [Volumetric mesh to Segmentation](https://discourse.slicer.org/t/volumetric-mesh-to-segmentation/5720)

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**Author:** [@Hamburgerfinger](https://discourse.slicer.org/u/Hamburgerfinger)\
**Replies:** 1\
**Last updated:** [February 10, 2019, 6:14pm UTC](https://discourse.slicer.org/t/volumetric-mesh-to-segmentation/5720 "2019-02-10T18:14:51Z")

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Hi! If I have a volumetric mesh, where separate regions of the mesh are defined by an associated scalar, can I import it directly into Segmentations? (i.e. with the different scalar-defined regions as different segment…

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## [Elastix extension for Mac OSX not available](https://discourse.slicer.org/t/elastix-extension-for-mac-osx-not-available/5692)

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**Author:** [@Mary](https://discourse.slicer.org/u/Mary)\
**Replies:** 2\
**Last updated:** [February 9, 2019, 8:05pm UTC](https://discourse.slicer.org/t/elastix-extension-for-mac-osx-not-available/5692 "2019-02-09T20:05:55Z")

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I have been trying to install the Elastix extension for Slicer on my Mac, but it is not in the list of available extensions in ‘Extensions Manager’ on both the stable and nightly Slicer releases. On the web address: http…

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## [How to Enable "Editin3DViews" via python module code](https://discourse.slicer.org/t/how-to-enable-editin3dviews-via-python-module-code/5706)

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**Author:** [@coolsocks](https://discourse.slicer.org/u/coolsocks)\
**Replies:** 3\
**Last updated:** [February 9, 2019, 7:12am UTC](https://discourse.slicer.org/t/how-to-enable-editin3dviews-via-python-module-code/5706 "2019-02-09T07:12:07Z")

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Hi I’m new to slicer development and I wanted to update my code to the 4.10 version. I just had a question of how to enable the “edit in 3D view” section using the qMRMLSegmentEditorWidget? I got to this point: self.se…

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## [Problem setting markups display node properties](https://discourse.slicer.org/t/problem-setting-markups-display-node-properties/5695)

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**Author:** [@smrolfe](https://discourse.slicer.org/u/smrolfe)\
**Replies:** 6\
**Last updated:** [February 9, 2019, 1:35am UTC](https://discourse.slicer.org/t/problem-setting-markups-display-node-properties/5695 "2019-02-09T01:35:15Z")

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Hello, Slicer is crashing when I try to modify markups display node properties from a python module. I can modify these properties using the python interactor without a problem. When I try any modification of the markup…

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## [VMTK centerline computation problem](https://discourse.slicer.org/t/vmtk-centerline-computation-problem/5709)

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**Author:** [@albert94](https://discourse.slicer.org/u/albert94)\
**Replies:** 0\
**Last updated:** [February 9, 2019, 1:34am UTC](https://discourse.slicer.org/t/vmtk-centerline-computation-problem/5709 "2019-02-09T01:34:38Z")

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Hi, I’m new to 3D slicer and medical image segmentation. Now I’m working at cerebral vessel segmentation. I have figured out a vessel segmentation of brain CT images as follow I want to use the VMTK extension to cacu…

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## [Model to image registration](https://discourse.slicer.org/t/model-to-image-registration/5696)

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**Author:** [@siaeleni](https://discourse.slicer.org/u/siaeleni)\
**Replies:** 0\
**Last updated:** [February 8, 2019, 5:02pm UTC](https://discourse.slicer.org/t/model-to-image-registration/5696 "2019-02-08T17:02:26Z")

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## [General Registration Elastix extension Mac](https://discourse.slicer.org/t/general-registration-elastix-extension-mac/3791)

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**Author:** [@Laura](https://discourse.slicer.org/u/Laura)\
**Replies:** 10\
**Last updated:** [February 8, 2019, 4:23pm UTC](https://discourse.slicer.org/t/general-registration-elastix-extension-mac/3791 "2019-02-08T16:23:52Z")

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Good morning, I am trying to download Elastix extension on Mac but I don’t succeed… I have read and tried through these explanations : https://github.com/SuperElastix/elastix/wiki/FAQ , Error with new extension Elastix …

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## [Mesh to mesh intersection 3D Slicer](https://discourse.slicer.org/t/mesh-to-mesh-intersection-3d-slicer/5676)

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**Author:** [@nish91](https://discourse.slicer.org/u/nish91)\
**Replies:** 5\
**Last updated:** [February 8, 2019, 2:51pm UTC](https://discourse.slicer.org/t/mesh-to-mesh-intersection-3d-slicer/5676 "2019-02-08T14:51:48Z")

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Dear developers, I have two VTK mesh models in 3D Slicer as shown in the figure. One of them is the brain model of the MRI data which is rendered using the Marching Cubes algorithm while the other model in color is the …

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## [Speed up the batch process](https://discourse.slicer.org/t/speed-up-the-batch-process/5688)

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**Author:** [@anandmulay3](https://discourse.slicer.org/u/anandmulay3)\
**Replies:** 1\
**Last updated:** [February 8, 2019, 12:57pm UTC](https://discourse.slicer.org/t/speed-up-the-batch-process/5688 "2019-02-08T12:57:21Z")

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How can i speed up the slicer process? in my batch process i’m creating segments form Dicom data and exporting the 3d model output. For skull, foot or any small body part data takes few minutes (2-5 min) , but for the …

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## [Is camera linking broken in 4.10.1?](https://discourse.slicer.org/t/is-camera-linking-broken-in-4-10-1/5668)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 2\
**Last updated:** [February 7, 2019, 4:46pm UTC](https://discourse.slicer.org/t/is-camera-linking-broken-in-4-10-1/5668 "2019-02-07T16:46:00Z")

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I can’t seem to link cameras in dual view in 4.10.1 Steps: Choose Dual 3D layout Switch to cameras module, View1 choose create new camera View2 choose camera\_1 (or the newly created camera) Go back to View1 and see…

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## [Inclusion Criteria For Voxels on Segment Statistics](https://discourse.slicer.org/t/inclusion-criteria-for-voxels-on-segment-statistics/5652)

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**Author:** [@Nassir](https://discourse.slicer.org/u/Nassir)\
**Replies:** 2\
**Last updated:** [February 7, 2019, 3:46pm UTC](https://discourse.slicer.org/t/inclusion-criteria-for-voxels-on-segment-statistics/5652 "2019-02-07T15:46:50Z")

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Hi all, I’m using segment statistics to use some MRI-defined segments to export some quantitative PET data. This usually works pretty well, but does not work if my segmentation is small (less than half the PET voxel vol…

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## [Is it possible to combine Label Maps and Images into a single file?](https://discourse.slicer.org/t/is-it-possible-to-combine-label-maps-and-images-into-a-single-file/5680)

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**Author:** [@Kevin.Kn](https://discourse.slicer.org/u/Kevin.Kn)\
**Replies:** 1\
**Last updated:** [February 7, 2019, 2:50pm UTC](https://discourse.slicer.org/t/is-it-possible-to-combine-label-maps-and-images-into-a-single-file/5680 "2019-02-07T14:50:59Z")

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Currently I have pairs of .nii images and labelmaps, which I would like to combine into single files where the label map overlaps with the image. Is there a way to do this that doesn’t mess with the spatial dimensions o…

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## [Display and export DICOM image.](https://discourse.slicer.org/t/display-and-export-dicom-image/5659)

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**Author:** [@Ekaterina](https://discourse.slicer.org/u/Ekaterina)\
**Replies:** 5\
**Last updated:** [February 7, 2019, 2:39pm UTC](https://discourse.slicer.org/t/display-and-export-dicom-image/5659 "2019-02-07T14:39:40Z")

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Operating system: manOS High Sierra version 10.13.6 Slicer version: 4.10 Expected behavior: Upload images of DICOM format. Display of the whole image. Export the built fraction anisotropy of the program in format DIC…

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## [Export DICOM SPECT, values higher than 2^16](https://discourse.slicer.org/t/export-dicom-spect-values-higher-than-2-16/5666)

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**Author:** [@nbarbosap](https://discourse.slicer.org/u/nbarbosap)\
**Replies:** 3\
**Last updated:** [February 7, 2019, 1:52pm UTC](https://discourse.slicer.org/t/export-dicom-spect-values-higher-than-2-16/5666 "2019-02-07T13:52:15Z")

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Slicer version: 4.8.1 I’m registering a few SPECT/CT images using the common registration. Everything works relly well and the images seems to be as good as I expect ! My problem is when I try to “export” the DICOM …

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## [Is DICOM array already scaled when loaded into variable?](https://discourse.slicer.org/t/is-dicom-array-already-scaled-when-loaded-into-variable/5671)

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**Author:** [@Alex\_Vergara](https://discourse.slicer.org/u/Alex_Vergara)\
**Replies:** 1\
**Last updated:** [February 7, 2019, 12:35pm UTC](https://discourse.slicer.org/t/is-dicom-array-already-scaled-when-loaded-into-variable/5671 "2019-02-07T12:35:28Z")

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I have a silly question but anyway: When I do arr = slicer.util.array(ImageDicom).astype(float) I can obtain the voxel array of the image, but in the case of DICOM files it is oftenly not the real values which mus…

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## [Problem export images, values higher than 2^16](https://discourse.slicer.org/t/problem-export-images-values-higher-than-2-16/5667)

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**Author:** [@nbarbosap](https://discourse.slicer.org/u/nbarbosap)\
**Replies:** 0\
**Last updated:** [February 6, 2019, 8:53pm UTC](https://discourse.slicer.org/t/problem-export-images-values-higher-than-2-16/5667 "2019-02-06T20:53:32Z")

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Slicer version: 4.8.1 I’m registering a few SPECT/CT images using the common registration. Everything works relly well and the images seems to be as good as I expect ! My problem is when I try to “export” the DICOM …

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## [Harden transform on large segmentation hangs 3D Slicer](https://discourse.slicer.org/t/harden-transform-on-large-segmentation-hangs-3d-slicer/5643)

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**Author:** [@Ben\_George](https://discourse.slicer.org/u/Ben_George)\
**Replies:** 11\
**Last updated:** [February 6, 2019, 9:19pm UTC](https://discourse.slicer.org/t/harden-transform-on-large-segmentation-hangs-3d-slicer/5643 "2019-02-06T21:19:36Z")

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Hi I am having some problems with 3D Slicer hanging when trying to perform ‘harden transform’ on large segmentations. Specifically, I have some whole body PET/CT images with associated segmentations. If I create a simp…

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## [MR to CT registration, bone removal](https://discourse.slicer.org/t/mr-to-ct-registration-bone-removal/5642)

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**Author:** [@opetne](https://discourse.slicer.org/u/opetne)\
**Replies:** 5\
**Last updated:** [February 6, 2019, 7:20pm UTC](https://discourse.slicer.org/t/mr-to-ct-registration-bone-removal/5642 "2019-02-06T19:20:51Z")

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I have 2 series of a dog what had a brain tumor: a dual energy, vascular CT and MR. First of all, I’d like to register the 2 series to each other. I tried several methods: fiducial registration and Elastix but without an…

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## [Py RADIOMICS query](https://discourse.slicer.org/t/py-radiomics-query/5443)

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**Author:** [@RadioQuest](https://discourse.slicer.org/u/RadioQuest)\
**Replies:** 1\
**Last updated:** [February 6, 2019, 6:13pm UTC](https://discourse.slicer.org/t/py-radiomics-query/5443 "2019-02-06T18:13:12Z")

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Hi… I am working on TA to study changes in a longitudinal study. I am doing 2 step registration process - 1. affine from A to B and later Bspline using this affine as a linear transform. However, I have following quer…

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## [Problem with ForwardFFTImageFilter in SimpleFilters](https://discourse.slicer.org/t/problem-with-forwardfftimagefilter-in-simplefilters/5657)

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**Author:** [@torquil](https://discourse.slicer.org/u/torquil)\
**Replies:** 2\
**Last updated:** [February 6, 2019, 4:36pm UTC](https://discourse.slicer.org/t/problem-with-forwardfftimagefilter-in-simplefilters/5657 "2019-02-06T16:36:24Z")

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Hi! In an attempt to determine the real 3d resolution of an X-ray scan, I’m tried to use the ForwardFFTImageFilter function in the SimpleFilters module, but I’m getting an error message saying that it does not support 3…

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## [Can I register two cylinder?](https://discourse.slicer.org/t/can-i-register-two-cylinder/5655)

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**Author:** [@timeanddoctor](https://discourse.slicer.org/u/timeanddoctor)\
**Replies:** 1\
**Last updated:** [February 6, 2019, 12:47pm UTC](https://discourse.slicer.org/t/can-i-register-two-cylinder/5655 "2019-02-06T12:47:05Z")

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I have two unequal cylinders (also know the coordinates of their endpoints). Can 3dslicer automatically create a matrix that eventually overlaps their centerlines?

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## [Echograph for 3d model](https://discourse.slicer.org/t/echograph-for-3d-model/5639)

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**Author:** [@jhonny422](https://discourse.slicer.org/u/jhonny422)\
**Replies:** 3\
**Last updated:** [February 6, 2019, 2:50am UTC](https://discourse.slicer.org/t/echograph-for-3d-model/5639 "2019-02-06T02:50:29Z")

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Hi guys, What are the most known brands of ecographic equipment to obtain the 3D model? I tried with logiq s7 expert and ecube alpinion and I do not have satisfactory results, I only get 1 dcm file and I can not create 3…

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## [Save segmentation output as xml file or binary mask](https://discourse.slicer.org/t/save-segmentation-output-as-xml-file-or-binary-mask/2716)

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**Author:** [@shikunyu8](https://discourse.slicer.org/u/shikunyu8)\
**Replies:** 4\
**Last updated:** [February 6, 2019, 1:57am UTC](https://discourse.slicer.org/t/save-segmentation-output-as-xml-file-or-binary-mask/2716 "2019-02-06T01:57:01Z")

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Operating system: Windows 8 Slicer version: 4.8.1 Expected behavior: get segmentation output in xml, or just binary image format like jpg or png. Actual behavior: can’t figure out how to get correct format. Hi, I am…

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## [Problem with RT dose](https://discourse.slicer.org/t/problem-with-rt-dose/5466)

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**Author:** [@Malamente](https://discourse.slicer.org/u/Malamente)\
**Replies:** 8\
**Last updated:** [February 5, 2019, 11:19pm UTC](https://discourse.slicer.org/t/problem-with-rt-dose/5466 "2019-02-05T23:19:01Z")

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Hi, I’m starting to use Slicer RT. The problem is that I have not found a manual to handle it. I’m using it thanks to my knowledge with Eclipse of Varian Eclipse but I have a problem when calculating the dose, I get the …

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## [Access to aurco\_calibration source file](https://discourse.slicer.org/t/access-to-aurco-calibration-source-file/5651)

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**Author:** [@dsikka](https://discourse.slicer.org/u/dsikka)\
**Replies:** 1\
**Last updated:** [February 5, 2019, 9:07pm UTC](https://discourse.slicer.org/t/access-to-aurco-calibration-source-file/5651 "2019-02-05T21:07:01Z")

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Hello, I was wondering if I could get access to source file for the ‘aruco\_calibration’ executable (or the repo containing it) which we are currently using for our camera calibration via Plus Server? Thanks!

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## [Sequence recording shifting while scrolling through 2D slices](https://discourse.slicer.org/t/sequence-recording-shifting-while-scrolling-through-2d-slices/5644)

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**Author:** [@athanell](https://discourse.slicer.org/u/athanell)\
**Replies:** 1\
**Last updated:** [February 5, 2019, 6:59pm UTC](https://discourse.slicer.org/t/sequence-recording-shifting-while-scrolling-through-2d-slices/5644 "2019-02-05T18:59:53Z")

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Hello 3D Slicer users, I am using the sequence browser, trying to record a slice scrolling through a head CT volume as you can see in the following screenshot: Red viewer: An axial reformatted CT with an overlayed s…

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## [Error during radiotherapy dose calculation](https://discourse.slicer.org/t/error-during-radiotherapy-dose-calculation/5579)

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**Author:** [@PaoloZaffino](https://discourse.slicer.org/u/PaoloZaffino)\
**Replies:** 2\
**Last updated:** [February 5, 2019, 6:26pm UTC](https://discourse.slicer.org/t/error-during-radiotherapy-dose-calculation/5579 "2019-02-05T18:26:54Z")

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Hi all, I got an error during radiotherapy dose calculation. I tried on mac and linux, Slicer 4.10.0 and Slicer 4.10.1. In the error log I see: “Unable to inizialize RTplan”. If you want I can provide a toy example (…

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## [Question about combing different scans according to rules](https://discourse.slicer.org/t/question-about-combing-different-scans-according-to-rules/5626)

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**Author:** [@rowan\_miller](https://discourse.slicer.org/u/rowan_miller)\
**Replies:** 1\
**Last updated:** [February 5, 2019, 2:54pm UTC](https://discourse.slicer.org/t/question-about-combing-different-scans-according-to-rules/5626 "2019-02-05T14:54:42Z")

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I have DWI and T2 axial images. I’d like to create a new set of images through combining those. However i’d like the combination to occur according to a set of rules: if dwi dark + t2 dark -\> dark if dwi dark + t2 brig…

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## [Import DCM files from Ecube Alpinion](https://discourse.slicer.org/t/import-dcm-files-from-ecube-alpinion/5625)

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**Author:** [@jhonny422](https://discourse.slicer.org/u/jhonny422)\
**Replies:** 3\
**Last updated:** [February 5, 2019, 4:21am UTC](https://discourse.slicer.org/t/import-dcm-files-from-ecube-alpinion/5625 "2019-02-05T04:21:06Z")

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Operating system: Windows Slicer version: 4.10.1 Hello, I successfully obtained a 3D design of a complete denture tomography, I used a folder with more than 100 dcm files that all made up a 3D model. I wanted to repea…

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