# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=345

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

**Page:** 346

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## [Hi, I'm a first-time slicer weapon. Why can't I load a CBCT?](https://discourse.slicer.org/t/hi-im-a-first-time-slicer-weapon-why-cant-i-load-a-cbct/11086)

<div class="topic-metadata">

**Author:** [@enzo\_catapano](https://discourse.slicer.org/u/enzo_catapano)\
**Replies:** 1\
**Last updated:** [April 12, 2020, 2:37am UTC](https://discourse.slicer.org/t/hi-im-a-first-time-slicer-weapon-why-cant-i-load-a-cbct/11086 "2020-04-12T02:37:41Z")

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Operating system: Windows Slicer version:$.10.2 Expected behavior: Actual behavior: Hi, I’m a first-time slicer weapon. Why can’t I load a CBCT?

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## [Registration of MR and CT volumes](https://discourse.slicer.org/t/registration-of-mr-and-ct-volumes/10722)

<div class="topic-metadata">

**Author:** [@Anonymous2](https://discourse.slicer.org/u/Anonymous2)\
**Replies:** 4\
**Last updated:** [April 10, 2020, 11:36pm UTC](https://discourse.slicer.org/t/registration-of-mr-and-ct-volumes/10722 "2020-04-10T23:36:12Z")

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Hello, I am working on registering a CT volume with an MR volume. The slice thicknesses are 5mm and 2.6mm, respectively. To do the registration, I first cropped the MR and CT volumes so that only the head region was sele…

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## [Reload Qt Loadable Module](https://discourse.slicer.org/t/reload-qt-loadable-module/11062)

<div class="topic-metadata">

**Author:** [@xlucox](https://discourse.slicer.org/u/xlucox)\
**Replies:** 5\
**Last updated:** [April 10, 2020, 4:44pm UTC](https://discourse.slicer.org/t/reload-qt-loadable-module/11062 "2020-04-10T16:44:28Z")

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Hi everyone !!! I’m adding some functionalities to the MultiVolumeExplorer Module. I wonder if there is any easy way to reload this module from Slicer. Always when I edit the code of the module I have to restart slicer …

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## [Bundle file creation](https://discourse.slicer.org/t/bundle-file-creation/573)

<div class="topic-metadata">

**Author:** [@Felix\_Navarro\_Guirad](https://discourse.slicer.org/u/Felix_Navarro_Guirad)\
**Replies:** 6\
**Last updated:** [April 10, 2020, 1:30pm UTC](https://discourse.slicer.org/t/bundle-file-creation/573 "2020-04-10T13:30:01Z")

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Dear Slicer users, I use Slicer CLI modules as pilar of a pipeline executed in a Ubuntu server from a web page located in an Apache Tomcat hosted by that server. I would like to create a mrb file containing the scen…

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## [Is there a color bar or color legend available?](https://discourse.slicer.org/t/is-there-a-color-bar-or-color-legend-available/11060)

<div class="topic-metadata">

**Author:** [@ButuiHu](https://discourse.slicer.org/u/ButuiHu)\
**Replies:** 2\
**Last updated:** [April 9, 2020, 6:48pm UTC](https://discourse.slicer.org/t/is-there-a-color-bar-or-color-legend-available/11060 "2020-04-09T18:48:42Z")

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I have calculated model to model distance with Model to Model Distance extension, and I want a color bar or color legend. I check this post, but failed to find one. I would like something like this: I have to calc…

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## [MR/CT head registration](https://discourse.slicer.org/t/mr-ct-head-registration/10196)

<div class="topic-metadata">

**Author:** [@Anonymous2](https://discourse.slicer.org/u/Anonymous2)\
**Replies:** 2\
**Last updated:** [April 9, 2020, 5:28pm UTC](https://discourse.slicer.org/t/mr-ct-head-registration/10196 "2020-04-09T17:28:08Z")

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Hello, I have just started using 3D slicer. I would like to register 3D head CT with head MR. I have data for the whole body CT and just the head of the MR. Is there a way to remove the body slices of the CT before regi…

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## [Low quality of the program itself (UI pixelated problem)](https://discourse.slicer.org/t/low-quality-of-the-program-itself-ui-pixelated-problem/11059)

<div class="topic-metadata">

**Author:** [@Jakub\_Balicki](https://discourse.slicer.org/u/Jakub_Balicki)\
**Replies:** 1\
**Last updated:** [April 9, 2020, 5:17pm UTC](https://discourse.slicer.org/t/low-quality-of-the-program-itself-ui-pixelated-problem/11059 "2020-04-09T17:17:38Z")

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Hello, I’ve downloaded 3slicer on ubuntu and I have this strange problem where UI is pixelated as shown on the attached image: I’ve tried different versions of the program and the problem still occurs.

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## [Could we have a download url related to the version?](https://discourse.slicer.org/t/could-we-have-a-download-url-related-to-the-version/6649)

<div class="topic-metadata">

**Author:** [@ButuiHu](https://discourse.slicer.org/u/ButuiHu)\
**Replies:** 3\
**Last updated:** [April 9, 2020, 8:47am UTC](https://discourse.slicer.org/t/could-we-have-a-download-url-related-to-the-version/6649 "2020-04-09T08:47:13Z")

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Hi, I’m trying to package 3dslicer for ArchLinux from the binary tarball. Currently, we get a download url https://download.slicer.org/bitstream/944596, which is not related to the version of 3dslicer. Could we have a ur…

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## [How to measure the angle?](https://discourse.slicer.org/t/how-to-measure-the-angle/1031)

<div class="topic-metadata">

**Author:** [@doc-xie](https://discourse.slicer.org/u/doc-xie)\
**Replies:** 22\
**Last updated:** [April 9, 2020, 7:45am UTC](https://discourse.slicer.org/t/how-to-measure-the-angle/1031 "2020-04-09T07:45:13Z")

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Hello everyone! In 3D-Slicer software,is there any module can measure the angle between two or three,four thread in one plate? Thanks a lot!

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## [Rotate slice intersections with CTRL+ALT+Click and drag does not work in Slicer-4.10](https://discourse.slicer.org/t/rotate-slice-intersections-with-ctrl-alt-click-and-drag-does-not-work-in-slicer-4-10/11038)

<div class="topic-metadata">

**Author:** [@samuelholly](https://discourse.slicer.org/u/samuelholly)\
**Replies:** 3\
**Last updated:** [April 9, 2020, 5:45am UTC](https://discourse.slicer.org/t/rotate-slice-intersections-with-ctrl-alt-click-and-drag-does-not-work-in-slicer-4-10/11038 "2020-04-09T05:45:16Z")

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Dear all, the CTRL+ALT+Click and Drag command does not work for rotating the slice intersections. May I kindly ask for help with this? Thank you and best regards Samuel

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## [Edit/Application Settings/Modules/Restore defaults](https://discourse.slicer.org/t/edit-application-settings-modules-restore-defaults/11000)

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**Author:** [@MarcDeSantJoan](https://discourse.slicer.org/u/MarcDeSantJoan)\
**Replies:** 3\
**Last updated:** [April 9, 2020, 12:07am UTC](https://discourse.slicer.org/t/edit-application-settings-modules-restore-defaults/11000 "2020-04-09T00:07:09Z")

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Hello, I tryed to customize the initial menu, and I would like to restore defaluts and there is not work. I unninstall program, delete Temp…and allways shows my customized menu. I don’t know what to do to solve the probl…

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## [Importing a binary nifti mask](https://discourse.slicer.org/t/importing-a-binary-nifti-mask/11050)

<div class="topic-metadata">

**Author:** [@lenome](https://discourse.slicer.org/u/lenome)\
**Replies:** 1\
**Last updated:** [April 8, 2020, 11:58pm UTC](https://discourse.slicer.org/t/importing-a-binary-nifti-mask/11050 "2020-04-08T23:58:48Z")

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Hi all, I have an MR dataset and a related binary mask file, both in nifti format. I have the lh and rh 3d files from freesurfer that I am using to display in 3d alongside the 2d MR as slices. I was able to read the bin…

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## [Tif images look washed out and have black lines](https://discourse.slicer.org/t/tif-images-look-washed-out-and-have-black-lines/11001)

<div class="topic-metadata">

**Author:** [@orchid](https://discourse.slicer.org/u/orchid)\
**Replies:** 10\
**Last updated:** [April 8, 2020, 11:23pm UTC](https://discourse.slicer.org/t/tif-images-look-washed-out-and-have-black-lines/11001 "2020-04-08T23:23:48Z")

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I load tif image sequence and see the images look washed out and have strange black lines for sagittal and coronal view but not on axial view on Slicer. The tiff images look fine to me. Has anyone seen something like t…

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## [Error when loading CT data](https://discourse.slicer.org/t/error-when-loading-ct-data/11044)

<div class="topic-metadata">

**Author:** [@sanlen](https://discourse.slicer.org/u/sanlen)\
**Replies:** 2\
**Last updated:** [April 8, 2020, 4:57pm UTC](https://discourse.slicer.org/t/error-when-loading-ct-data/11044 "2020-04-08T16:57:55Z")

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Hi, when I try to load a dual-energy CT virtual non contrast series, I get the error ‘Reference image in series does not contain geometry information’. I know that these series do not contain the same geometry informa…

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## [Smoothing the 3D model](https://discourse.slicer.org/t/smoothing-the-3d-model/10996)

<div class="topic-metadata">

**Author:** [@Angel](https://discourse.slicer.org/u/Angel)\
**Replies:** 5\
**Last updated:** [April 7, 2020, 11:54pm UTC](https://discourse.slicer.org/t/smoothing-the-3d-model/10996 "2020-04-07T23:54:31Z")

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Hi, I am new to Slicer and I am trying to use it to model a chicken embryo heart affected by Tetralogy of Fallot. I have been looking into the smoothing options in Segment Editor and I have watched the tutorials, but it…

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## [BRAINSfit Registration gives error "Number of objects (70129) greater than maximum of output pixel type (65535)"?](https://discourse.slicer.org/t/brainsfit-registration-gives-error-number-of-objects-70129-greater-than-maximum-of-output-pixel-type-65535/11022)

<div class="topic-metadata">

**Author:** [@mikebind](https://discourse.slicer.org/u/mikebind)\
**Replies:** 5\
**Last updated:** [April 7, 2020, 11:35pm UTC](https://discourse.slicer.org/t/brainsfit-registration-gives-error-number-of-objects-70129-greater-than-maximum-of-output-pixel-type-65535/11022 "2020-04-07T23:35:38Z")

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Hello, I am using the BRAINS registration module to try to register two CT images together, and am getting the following error: General Registration (BRAINS) standard error: Relabel: exception caught ! itk::ExceptionO…

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## [Segment comparison with transformed structure](https://discourse.slicer.org/t/segment-comparison-with-transformed-structure/11033)

<div class="topic-metadata">

**Author:** [@izzatizulkarnain](https://discourse.slicer.org/u/izzatizulkarnain)\
**Replies:** 1\
**Last updated:** [April 7, 2020, 11:03pm UTC](https://discourse.slicer.org/t/segment-comparison-with-transformed-structure/11033 "2020-04-07T23:03:19Z")

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Hi, I am trying to get the dice coefficient and hausdorff distance to compare 2 structures from a TPS (red) and a DIR software (blue). I registered the blue GTV to the red GTV using the Transforms module and calculated t…

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## [Bone Mineral Density (BMD) measurement method](https://discourse.slicer.org/t/bone-mineral-density-bmd-measurement-method/11010)

<div class="topic-metadata">

**Author:** [@manjula](https://discourse.slicer.org/u/manjula)\
**Replies:** 4\
**Last updated:** [April 7, 2020, 1:20pm UTC](https://discourse.slicer.org/t/bone-mineral-density-bmd-measurement-method/11010 "2020-04-07T13:20:18Z")

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I have been told a method of calculating BMD from micro CT data using a proprietary software and i am wondering about the accuracy of the method and replicating it with the 3D Slicer. The way it was done in the software…

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## [Trouble importing DICOM files](https://discourse.slicer.org/t/trouble-importing-dicom-files/11017)

<div class="topic-metadata">

**Author:** [@alebarone](https://discourse.slicer.org/u/alebarone)\
**Replies:** 7\
**Last updated:** [April 6, 2020, 6:33pm UTC](https://discourse.slicer.org/t/trouble-importing-dicom-files/11017 "2020-04-06T18:33:13Z")

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Dear all, I have been trying to import a DICOM folder with more than 1K frames of the heart. In particular, I’d like to import a series of frames with the three different orientations so that once I open them in 3DSlice…

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## [Automatic segmentation v.4.10](https://discourse.slicer.org/t/automatic-segmentation-v-4-10/11005)

<div class="topic-metadata">

**Author:** [@1114](https://discourse.slicer.org/u/1114)\
**Replies:** 1\
**Last updated:** [April 5, 2020, 10:40pm UTC](https://discourse.slicer.org/t/automatic-segmentation-v-4-10/11005 "2020-04-05T22:40:52Z")

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Operating system: Windows 7 Slicer version: 4.10.2 Expected behavior: to perform automatic segmentation Actual behavior: can load CT scans Q: Hi everybody!!! Can anyone explain me how to use automatic segmentation i…

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## [3D Slicer on a Surface Studio](https://discourse.slicer.org/t/3d-slicer-on-a-surface-studio/7536)

<div class="topic-metadata">

**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Replies:** 5\
**Last updated:** [April 5, 2020, 5:22pm UTC](https://discourse.slicer.org/t/3d-slicer-on-a-surface-studio/7536 "2020-04-05T17:22:07Z")

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If anyone is wondering how 3D Slicer runs on a Surface Studio… It is just awesome! I had a chance to try it in a Microsoft Store (it helped that Slicer installation does not require administrator access anymore). Thanks…

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## [Is it possible to lock segments](https://discourse.slicer.org/t/is-it-possible-to-lock-segments/8967)

<div class="topic-metadata">

**Author:** [@Leon](https://discourse.slicer.org/u/Leon)\
**Replies:** 3\
**Last updated:** [April 5, 2020, 5:10pm UTC](https://discourse.slicer.org/t/is-it-possible-to-lock-segments/8967 "2020-04-05T17:10:37Z")

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As my topic mentions I would like to know if it’s possible to lock segments in order to prevent them from accidently being removed or cleared. This happened to me lately when I forgot to set the ‘Overwrite other segment…

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## [Rigidly register a segment without CT to another segment with CT](https://discourse.slicer.org/t/rigidly-register-a-segment-without-ct-to-another-segment-with-ct/10993)

<div class="topic-metadata">

**Author:** [@mimi](https://discourse.slicer.org/u/mimi)\
**Replies:** 5\
**Last updated:** [April 5, 2020, 1:43am UTC](https://discourse.slicer.org/t/rigidly-register-a-segment-without-ct-to-another-segment-with-ct/10993 "2020-04-05T01:43:37Z")

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Hello! I have a segment of the left ventricle without a CT (visualizing electrophysiological data) which I would like to register to a segment of the left ventricle on a CT. The idea is to overlay the electrophysiologica…

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## [ScreenCapture - PNG stack looks flattened](https://discourse.slicer.org/t/screencapture-png-stack-looks-flattened/10948)

<div class="topic-metadata">

**Author:** [@KTing](https://discourse.slicer.org/u/KTing)\
**Replies:** 8\
**Last updated:** [April 4, 2020, 9:16pm UTC](https://discourse.slicer.org/t/screencapture-png-stack-looks-flattened/10948 "2020-04-04T21:16:22Z")

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Hello, When I re-load images from the Screen Capture module back into Slicer, my volume appears flattened. Attached is an example using the MRHead sample data and generating 50 PNGs. All of the slices are generated but …

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## [is PointClickedEvent still supported in slicer 4.11.0?](https://discourse.slicer.org/t/is-pointclickedevent-still-supported-in-slicer-4-11-0/10962)

<div class="topic-metadata">

**Author:** [@TiphaineJh](https://discourse.slicer.org/u/TiphaineJh)\
**Replies:** 5\
**Last updated:** [April 4, 2020, 9:03pm UTC](https://discourse.slicer.org/t/is-pointclickedevent-still-supported-in-slicer-4-11-0/10962 "2020-04-04T21:03:09Z")

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Operating system: windows10 Slicer version: slicer 4.11.0 Expected behavior: trigger an event when the markup is clicked (used here https://www.slicer.org/wiki/Documentation/4.10/ScriptRepository#Show\_a\_context\_menu\_wh…

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## [Elastix displacement vector field output](https://discourse.slicer.org/t/elastix-displacement-vector-field-output/8339)

<div class="topic-metadata">

**Author:** [@labixin](https://discourse.slicer.org/u/labixin)\
**Replies:** 1\
**Last updated:** [April 4, 2020, 8:56pm UTC](https://discourse.slicer.org/t/elastix-displacement-vector-field-output/8339 "2020-04-04T20:56:30Z")

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Operating system: Win7 Slicer version: 4.11.0-2019-08-13 r28438 Hi all, I am registering two ct images using SlicerElastix (Preset-generic (all)). Now I want to get the displacement field merely indicating bspline tra…

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## [Gel dosimetry analysis](https://discourse.slicer.org/t/gel-dosimetry-analysis/10847)

<div class="topic-metadata">

**Author:** [@Fritta](https://discourse.slicer.org/u/Fritta)\
**Replies:** 10\
**Last updated:** [April 4, 2020, 8:44pm UTC](https://discourse.slicer.org/t/gel-dosimetry-analysis/10847 "2020-04-04T20:44:01Z")

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Hi, I’m trying to analyze my 3D gel dosimetry image ( MRI image) by using the 3D gel dosimetry analysis tool. I want to obtain a gamma index map comparing the MRI image with the dose map obtained by my tps. I didn’t rec…

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## [Could not load: 1006: Evidence Documents MR Flow Quantification as a Scalar Volume](https://discourse.slicer.org/t/could-not-load-1006-evidence-documents-mr-flow-quantification-as-a-scalar-volume/10957)

<div class="topic-metadata">

**Author:** [@Andre\_Mourato](https://discourse.slicer.org/u/Andre_Mourato)\
**Replies:** 5\
**Last updated:** [April 4, 2020, 8:16pm UTC](https://discourse.slicer.org/t/could-not-load-1006-evidence-documents-mr-flow-quantification-as-a-scalar-volume/10957 "2020-04-04T20:16:07Z")

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Windows 10 Slicer version: 4.10.2 Hey, im trying to analise results of an 4D MRI but when i try to load some of the documents this messagem appears. and if i try to load anyway this appears I also tryed to examin…

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## [Segment Editor color/name template](https://discourse.slicer.org/t/segment-editor-color-name-template/10982)

<div class="topic-metadata">

**Author:** [@TMrt](https://discourse.slicer.org/u/TMrt)\
**Replies:** 4\
**Last updated:** [April 4, 2020, 7:54pm UTC](https://discourse.slicer.org/t/segment-editor-color-name-template/10982 "2020-04-04T19:54:10Z")

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Hello, Is there a way to save only the colors and names without their corresponding segmentations in Segment Editor as a type of template that can be imported to other Slicer projects? Thank you

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## [Trouble generating Labelmap from segmentation](https://discourse.slicer.org/t/trouble-generating-labelmap-from-segmentation/10951)

<div class="topic-metadata">

**Author:** [@Maxibers](https://discourse.slicer.org/u/Maxibers)\
**Replies:** 3\
**Last updated:** [April 3, 2020, 5:32pm UTC](https://discourse.slicer.org/t/trouble-generating-labelmap-from-segmentation/10951 "2020-04-03T17:32:02Z")

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Good morning, my goal is to automatically load segmentations and save them in a labelmap format, but i’m having trouble: When i create the labelmap manually (from the segment editor module), save it manually and load i…

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