# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=348

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

**Page:** 349

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## [Errors Importing CT files made with GE LightSpeed QXI 4](https://discourse.slicer.org/t/errors-importing-ct-files-made-with-ge-lightspeed-qxi-4/10769)

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**Author:** [@FaceMaker](https://discourse.slicer.org/u/FaceMaker)\
**Replies:** 3\
**Last updated:** [March 21, 2020, 4:45pm UTC](https://discourse.slicer.org/t/errors-importing-ct-files-made-with-ge-lightspeed-qxi-4/10769 "2020-03-21T16:45:48Z")

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Hello, I have been trying to import dicom files from ct-scan made with GE LightSpeed QXI 4. I have researched the tutorials and information and researched the GE LightSpeed QXI 4. The errors that occur are errors in sp…

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## [Weighted registration](https://discourse.slicer.org/t/weighted-registration/10772)

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**Author:** [@endlessric23](https://discourse.slicer.org/u/endlessric23)\
**Replies:** 1\
**Last updated:** [March 21, 2020, 3:11pm UTC](https://discourse.slicer.org/t/weighted-registration/10772 "2020-03-21T15:11:54Z")

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Dear Slicer’s users: I am doing the image registration in CT image. And I wonder is there a feature weighted registration tool ?(When I register the abdomen image,I know the spine is the important feature. How to put m…

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## [Python conversion between model and segment](https://discourse.slicer.org/t/python-conversion-between-model-and-segment/10765)

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**Author:** [@Franz](https://discourse.slicer.org/u/Franz)\
**Replies:** 1\
**Last updated:** [March 20, 2020, 3:56pm UTC](https://discourse.slicer.org/t/python-conversion-between-model-and-segment/10765 "2020-03-20T15:56:24Z")

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Hi, thanks for providing this great Software. I am trying to change Models to Segments and Segments to Models using Python. This can easily be done using the GUI. Model to Segmentation Segmentation to Model Th…

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## [4.9.0 nightly build cannot be run on a VNC server due to Qt5-GLX problem](https://discourse.slicer.org/t/4-9-0-nightly-build-cannot-be-run-on-a-vnc-server-due-to-qt5-glx-problem/3185)

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**Author:** [@ferhue](https://discourse.slicer.org/u/ferhue)\
**Replies:** 5\
**Last updated:** [March 19, 2020, 9:51pm UTC](https://discourse.slicer.org/t/4-9-0-nightly-build-cannot-be-run-on-a-vnc-server-due-to-qt5-glx-problem/3185 "2020-03-19T21:51:36Z")

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I am using a VNCviewer to connect to a remote Ubuntu 16 server, where I have installed 3DSlicer. I downloaded the stable release and run it without problems as: user@pgdev:~$ /opt/Slicer-4.8.1-linux-amd64/Slicer Numb…

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## [Creating a sequence of volumes with Python](https://discourse.slicer.org/t/creating-a-sequence-of-volumes-with-python/10733)

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**Author:** [@Dootsiie](https://discourse.slicer.org/u/Dootsiie)\
**Replies:** 3\
**Last updated:** [March 19, 2020, 8:35pm UTC](https://discourse.slicer.org/t/creating-a-sequence-of-volumes-with-python/10733 "2020-03-19T20:35:22Z")

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Hi there, I am fairly new to 3D slicer and am working on an interesting project, however I am stuck at a certain point. I want to create a 3-Dimensional Time Lapse of individual CT scans using a Python script and 3D Sli…

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## [Copy/paste fiducial control points coordinates](https://discourse.slicer.org/t/copy-paste-fiducial-control-points-coordinates/10751)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 2\
**Last updated:** [March 19, 2020, 8:12pm UTC](https://discourse.slicer.org/t/copy-paste-fiducial-control-points-coordinates/10751 "2020-03-19T20:12:12Z")

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It is not something I routinely used, so I might be off track completely, but as I recall at some point we can copy and paste coordinates from an spreadsheet into the actual RAS fields of the markup? Right now all I can…

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## [How to improve the efficiency of data import when labeling a large amount of data?](https://discourse.slicer.org/t/how-to-improve-the-efficiency-of-data-import-when-labeling-a-large-amount-of-data/10729)

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**Author:** [@RayCui](https://discourse.slicer.org/u/RayCui)\
**Replies:** 2\
**Last updated:** [March 19, 2020, 12:19pm UTC](https://discourse.slicer.org/t/how-to-improve-the-efficiency-of-data-import-when-labeling-a-large-amount-of-data/10729 "2020-03-19T12:19:44Z")

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When I check and modify the labeled data, I found that it took more time to import the data. Raw data and labeled data are imported in groups. I found: If I import a large amount of data at once, the slicer will take a…

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## [Problem with showing the organs in the Digitally Reconstructed Radiographs(DRR)](https://discourse.slicer.org/t/problem-with-showing-the-organs-in-the-digitally-reconstructed-radiographs-drr/5687)

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**Author:** [@aseman](https://discourse.slicer.org/u/aseman)\
**Replies:** 6\
**Last updated:** [March 19, 2020, 12:07pm UTC](https://discourse.slicer.org/t/problem-with-showing-the-organs-in-the-digitally-reconstructed-radiographs-drr/5687 "2020-03-19T12:07:07Z")

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Hi 3D Slicer experts and all I want to get the distance between the organs (such as the heart) and the radiation fields(like the Figure A) ; and I need the DRR (Digitally Reconstructed Radiographs) to this. I imported t…

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## [Resize ROI to same image size](https://discourse.slicer.org/t/resize-roi-to-same-image-size/10735)

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**Author:** [@trypag](https://discourse.slicer.org/u/trypag)\
**Replies:** 2\
**Last updated:** [March 18, 2020, 3:49pm UTC](https://discourse.slicer.org/t/resize-roi-to-same-image-size/10735 "2020-03-18T15:49:30Z")

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Hello, I am in the process of making a head CT template, there is one thing I would like to do with Slicer, though I am not sure it’s even possible. The CT scan has a size of 512x512, I would like to apply a linear scal…

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## [Automating "Flood Fill" segmentation with seeds from previous marker locations](https://discourse.slicer.org/t/automating-flood-fill-segmentation-with-seeds-from-previous-marker-locations/10717)

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**Author:** [@jdp](https://discourse.slicer.org/u/jdp)\
**Replies:** 2\
**Last updated:** [March 18, 2020, 6:14am UTC](https://discourse.slicer.org/t/automating-flood-fill-segmentation-with-seeds-from-previous-marker-locations/10717 "2020-03-18T06:14:10Z")

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Sorry if this is a basic question but I’m currently trying to automate a segmentation tool for my project needs. I basically want to segment a preprocessed image volume in which I previously collected fiducial marker loc…

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## [Question about spharm-pdm module in 3DSlicer](https://discourse.slicer.org/t/question-about-spharm-pdm-module-in-3dslicer/10686)

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**Author:** [@pecca](https://discourse.slicer.org/u/pecca)\
**Replies:** 8\
**Last updated:** [March 18, 2020, 1:19pm UTC](https://discourse.slicer.org/t/question-about-spharm-pdm-module-in-3dslicer/10686 "2020-03-18T13:19:29Z")

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Operating system:win10 Slicer version:3dslicer 4.8.0 i want to use SPHARM-PDM to analysis nii format data,when i run ShapeAnalysisMoudle it shows error in step 0:SegPostProcessStatus:compeleted with errors.Detials say …

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## [Bone Surface Ultrasound Simulation Image](https://discourse.slicer.org/t/bone-surface-ultrasound-simulation-image/10675)

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**Author:** [@hripat](https://discourse.slicer.org/u/hripat)\
**Replies:** 1\
**Last updated:** [March 18, 2020, 3:30am UTC](https://discourse.slicer.org/t/bone-surface-ultrasound-simulation-image/10675 "2020-03-18T03:30:09Z")

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Hello, I’m trying to use Slicer to get simulated ultrasound images of femur and radius STL files. However, the ultrasound bone surface images only come up when the transducer is almost touching the bone model. I was won…

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## [View linking design](https://discourse.slicer.org/t/view-linking-design/10694)

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**Author:** [@kayarre](https://discourse.slicer.org/u/kayarre)\
**Replies:** 3\
**Last updated:** [March 18, 2020, 3:11am UTC](https://discourse.slicer.org/t/view-linking-design/10694 "2020-03-18T03:11:06Z")

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I have figured out how to view different images that are linked. at least it is working for the two over two view I am currently at. Where is the documentation explaining how it works? (to lazy to google) Also, I have…

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## [Coronal view is distorted when loading .tif Files](https://discourse.slicer.org/t/coronal-view-is-distorted-when-loading-tif-files/10720)

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**Author:** [@Stephan\_R](https://discourse.slicer.org/u/Stephan_R)\
**Replies:** 1\
**Last updated:** [March 17, 2020, 3:35pm UTC](https://discourse.slicer.org/t/coronal-view-is-distorted-when-loading-tif-files/10720 "2020-03-17T15:35:52Z")

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Operating system:Win10 Slicer version:4.10.2 Expected behavior: Normal View Actual behavior: Coronal View is distorted Hello, I am new to evaluation of CT-Scans. When i import my tiff-files from a CT-scan to Slicer,…

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## [Image of single patient in dicom browser](https://discourse.slicer.org/t/image-of-single-patient-in-dicom-browser/10336)

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**Author:** [@ruthra\_priya](https://discourse.slicer.org/u/ruthra_priya)\
**Replies:** 15\
**Last updated:** [March 16, 2020, 7:59pm UTC](https://discourse.slicer.org/t/image-of-single-patient-in-dicom-browser/10336 "2020-03-16T19:59:03Z")

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how to load the image of single patient in dicom browser

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## [Using reflective sphere center to register bone model with Optitrack pre-recorded data](https://discourse.slicer.org/t/using-reflective-sphere-center-to-register-bone-model-with-optitrack-pre-recorded-data/10693)

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**Author:** [@GL1984](https://discourse.slicer.org/u/GL1984)\
**Replies:** 5\
**Last updated:** [March 16, 2020, 7:27pm UTC](https://discourse.slicer.org/t/using-reflective-sphere-center-to-register-bone-model-with-optitrack-pre-recorded-data/10693 "2020-03-16T19:27:05Z")

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Hello, I have gathered 3D tracking data a while back on anatomical samples using optitrack. Essentially, we tracked the motions of Skull, C1, C2 using reflecting spheres attached to plastic poles fixed to the bone. CT i…

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## [Export a 4D echo volume with color doppler mapping from philips](https://discourse.slicer.org/t/export-a-4d-echo-volume-with-color-doppler-mapping-from-philips/10508)

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**Author:** [@bjce](https://discourse.slicer.org/u/bjce)\
**Replies:** 4\
**Last updated:** [March 16, 2020, 7:25pm UTC](https://discourse.slicer.org/t/export-a-4d-echo-volume-with-color-doppler-mapping-from-philips/10508 "2020-03-16T19:25:20Z")

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I could already export a 4D echocardiography volume from Philips ultrasoud machine. In cardiac echocardiography, we can acquire 4D volume with the addition of the color doppler mapping which helps to characerize the flow…

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## [Combine Two Volumes From Two Scans Into A Complete Volume](https://discourse.slicer.org/t/combine-two-volumes-from-two-scans-into-a-complete-volume/10704)

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**Author:** [@Aryan\_Ghazipour](https://discourse.slicer.org/u/Aryan_Ghazipour)\
**Replies:** 1\
**Last updated:** [March 16, 2020, 4:53pm UTC](https://discourse.slicer.org/t/combine-two-volumes-from-two-scans-into-a-complete-volume/10704 "2020-03-16T16:53:39Z")

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Hello, I have a volume that was CT scanned two times. There are two DICOM series’, one for each half of the volume. I would like to display the complete volume, both halves, in Slicer. The goal is to align the two volum…

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## [cannot find my installed extension](https://discourse.slicer.org/t/cannot-find-my-installed-extension/10702)

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**Author:** [@Baris\_Korkmaz](https://discourse.slicer.org/u/Baris_Korkmaz)\
**Replies:** 1\
**Last updated:** [March 16, 2020, 2:06pm UTC](https://discourse.slicer.org/t/cannot-find-my-installed-extension/10702 "2020-03-16T14:06:20Z")

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ı installed 3d slicer 4.10.2 after setup two extension t2 mapping and segment editor extra effect. I use windows 10 64 bit. but ı cant see this extention in module list. can you help me?

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## [how to create a 4D animation](https://discourse.slicer.org/t/how-to-create-a-4d-animation/10692)

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**Author:** [@starhopper](https://discourse.slicer.org/u/starhopper)\
**Replies:** 2\
**Last updated:** [March 16, 2020, 9:10am UTC](https://discourse.slicer.org/t/how-to-create-a-4d-animation/10692 "2020-03-16T09:10:47Z")

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I’ve got a sequence of image stacks acquired in time lapse way. I want to visualize them by creating a 4D animation. Firstly I have to convert those image stacks into a DICOM file, thus I can browse it with MultiVolumeEx…

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## [Compute Gradient](https://discourse.slicer.org/t/compute-gradient/10642)

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**Author:** [@loubna](https://discourse.slicer.org/u/loubna)\
**Replies:** 7\
**Last updated:** [March 14, 2020, 4:11pm UTC](https://discourse.slicer.org/t/compute-gradient/10642 "2020-03-14T16:11:56Z")

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Hi; I want to implement a new 3d reconstrcution method, in which I need to know gradient vector of each (i,j,k) voxel. The idea is to convert the binary label map to closed surface. The idea is similar to marching cube. …

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## [hello,everyone,i have one question about spharm-pdm moudle in 3dslicer](https://discourse.slicer.org/t/hello-everyone-i-have-one-question-about-spharm-pdm-moudle-in-3dslicer/10687)

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**Author:** [@pecca](https://discourse.slicer.org/u/pecca)\
**Replies:** 0\
**Last updated:** [March 14, 2020, 3:50pm UTC](https://discourse.slicer.org/t/hello-everyone-i-have-one-question-about-spharm-pdm-moudle-in-3dslicer/10687 "2020-03-14T15:50:34Z")

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when i use spharm-pdm moudle to analysis nii format data,run ShapeAnalysisMoudle shows error like this detials shows this saying that no input data assigned to “Input Image” how can i solve it? thx for tell

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## [Segmentation threshold effect question](https://discourse.slicer.org/t/segmentation-threshold-effect-question/10677)

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**Author:** [@rprueckl](https://discourse.slicer.org/u/rprueckl)\
**Replies:** 3\
**Last updated:** [March 13, 2020, 5:18pm UTC](https://discourse.slicer.org/t/segmentation-threshold-effect-question/10677 "2020-03-13T17:18:36Z")

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I have a question regarding the threshold functionality in the Segment Editor (Using build Slicer 4.11.0-2020-03-10). I do the following: Load scalar volume Use the volume as master for segmentation Add one segment Mo…

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## [Using slicer in clusters](https://discourse.slicer.org/t/using-slicer-in-clusters/10647)

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**Author:** [@Aep93](https://discourse.slicer.org/u/Aep93)\
**Replies:** 3\
**Last updated:** [March 12, 2020, 10:38pm UTC](https://discourse.slicer.org/t/using-slicer-in-clusters/10647 "2020-03-12T22:38:05Z")

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Hello all, Are there any special tutorials on how to use slicer on clusters? I mean in the cases that we generally do not have access to the GUI. Is there any way to generate the commands for all tasks we do in GUI? T…

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## [Window Level Manual Min/Max](https://discourse.slicer.org/t/window-level-manual-min-max/10665)

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**Author:** [@Anonymous2](https://discourse.slicer.org/u/Anonymous2)\
**Replies:** 1\
**Last updated:** [March 12, 2020, 10:32pm UTC](https://discourse.slicer.org/t/window-level-manual-min-max/10665 "2020-03-12T22:32:00Z")

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Hello, I am trying to understand how the manual min/max window level and threshold in the volumes tab works. I need to be able to convert back from pixel intensity to Hounsfield units. I use screen capture to obtain a p…

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## [Superimposition of CBCT + linear measurement](https://discourse.slicer.org/t/superimposition-of-cbct-linear-measurement/10661)

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**Author:** [@mariaelh](https://discourse.slicer.org/u/mariaelh)\
**Replies:** 1\
**Last updated:** [March 12, 2020, 10:28pm UTC](https://discourse.slicer.org/t/superimposition-of-cbct-linear-measurement/10661 "2020-03-12T22:28:34Z")

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Hello, I am currently developing a research protocol which requires the superimposition of 2 CBCT scans of the maxilla or the mandible. I then need to measure the dimensional changes in the alveolar bone of a specific s…

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## [How to join two segments?](https://discourse.slicer.org/t/how-to-join-two-segments/10646)

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**Author:** [@Lucia\_Munoz](https://discourse.slicer.org/u/Lucia_Munoz)\
**Replies:** 4\
**Last updated:** [March 12, 2020, 9:25pm UTC](https://discourse.slicer.org/t/how-to-join-two-segments/10646 "2020-03-12T21:25:28Z")

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Hello! Im trying to model a total knee replacement and i can´t join the tibia with the tibial tray to see if they match. Is it possible to do? :upside\_down\_face: perating system: Slicer version: Expected behavior: Ac…

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## [Changing node name for volume and not saving .nrrd file overwrites file path in the scene](https://discourse.slicer.org/t/changing-node-name-for-volume-and-not-saving-nrrd-file-overwrites-file-path-in-the-scene/10651)

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**Author:** [@Vincent\_C](https://discourse.slicer.org/u/Vincent_C)\
**Replies:** 3\
**Last updated:** [March 12, 2020, 8:03pm UTC](https://discourse.slicer.org/t/changing-node-name-for-volume-and-not-saving-nrrd-file-overwrites-file-path-in-the-scene/10651 "2020-03-12T20:03:13Z")

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Hi all, I loaded a single slice DICOM - name: “l3.dcm” (say) - as a volume. The node created is “l3.dcm”. I changed the node name in the Data Module from “l3.dcm” to “subject1” and hit save. I saved the .mrml scene fil…

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## [Custom Slicer build - Save button does not bring up "Save Data" widget, does not load NRRD files](https://discourse.slicer.org/t/custom-slicer-build-save-button-does-not-bring-up-save-data-widget-does-not-load-nrrd-files/10609)

<div class="topic-metadata">

**Author:** [@aptirumalai](https://discourse.slicer.org/u/aptirumalai)\
**Replies:** 10\
**Last updated:** [March 12, 2020, 7:31pm UTC](https://discourse.slicer.org/t/custom-slicer-build-save-button-does-not-bring-up-save-data-widget-does-not-load-nrrd-files/10609 "2020-03-12T19:31:50Z")

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I am working with a custom Slicer based application that Kitware helped us develop 2 years ago. I built our custom Slicer-based application on one laptop. But the application does not behave correctly on this laptop. It…

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## [Link OpenIGTLink to 3D Slicer](https://discourse.slicer.org/t/link-openigtlink-to-3d-slicer/10657)

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**Author:** [@kobidk](https://discourse.slicer.org/u/kobidk)\
**Replies:** 1\
**Last updated:** [March 12, 2020, 2:49pm UTC](https://discourse.slicer.org/t/link-openigtlink-to-3d-slicer/10657 "2020-03-12T14:49:51Z")

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Operating system: Window 10 Slicer version:4.10.0 Expected behavior: 3D Slicer viewer should recognizer OpenIGTLink IF Actual behavior: I didn’t get the connectors setting interface The following remark in the docume…

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