# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=363

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

**Page:** 364

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## [Cancellous bone fill for 3D printing?](https://discourse.slicer.org/t/cancellous-bone-fill-for-3d-printing/8952)

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**Author:** [@Slim](https://discourse.slicer.org/u/Slim)\
**Replies:** 15\
**Last updated:** [November 15, 2019, 8:04pm UTC](https://discourse.slicer.org/t/cancellous-bone-fill-for-3d-printing/8952 "2019-11-15T20:04:06Z")

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Hi everyone! I’ve been using 3D Slicer for a little while now and I love the program. However, I can’t help but feel that I can be reducing the amount of time I spend creating .STL files for 3D printing. I primarily wor…

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## [Radiomics extension](https://discourse.slicer.org/t/radiomics-extension/9139)

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**Author:** [@tenzin\_kunkyab](https://discourse.slicer.org/u/tenzin_kunkyab)\
**Replies:** 3\
**Last updated:** [November 15, 2019, 10:50am UTC](https://discourse.slicer.org/t/radiomics-extension/9139 "2019-11-15T10:50:31Z")

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Hi all, I would like to ask what is the default slicer radiomics extension parameter settings for resampling? I mean to ask does it use sitkBspline or nearest neighbour or other ones cause I can’t specify that in the sl…

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## [How to open NIFTI-GZ (.gz) files?](https://discourse.slicer.org/t/how-to-open-nifti-gz-gz-files/9141)

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**Author:** [@NoobForSlicer](https://discourse.slicer.org/u/NoobForSlicer)\
**Replies:** 13\
**Last updated:** [November 15, 2019, 10:40am UTC](https://discourse.slicer.org/t/how-to-open-nifti-gz-gz-files/9141 "2019-11-15T10:40:39Z")

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The exact name of the image is: IMAGE01.rgb.gz I found a lot about nii.gz, but what the hell is .rgb.gz? Hmm…

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## [Transforming a model using 2D views](https://discourse.slicer.org/t/transforming-a-model-using-2d-views/9150)

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**Author:** [@heidi](https://discourse.slicer.org/u/heidi)\
**Replies:** 1\
**Last updated:** [November 15, 2019, 1:20am UTC](https://discourse.slicer.org/t/transforming-a-model-using-2d-views/9150 "2019-11-15T01:20:23Z")

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Is it possible to show (and manipulate) the transform white cube in the 2D views? I would like to move my part within the plane of the 2D view. My application is placing an orthopaedic implant in a ct data set. Thank yo…

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## [How to modify .py extension script and load it by defualt](https://discourse.slicer.org/t/how-to-modify-py-extension-script-and-load-it-by-defualt/9142)

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**Author:** [@manjula](https://discourse.slicer.org/u/manjula)\
**Replies:** 5\
**Last updated:** [November 14, 2019, 11:11pm UTC](https://discourse.slicer.org/t/how-to-modify-py-extension-script-and-load-it-by-defualt/9142 "2019-11-14T23:11:10Z")

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Can someone please tell me how to load a extension with the defaults values i want ? I have no knowledge in python or 3D Slicer python scripts. I need to load CMF surface registration module with landmark set to 1000 by…

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## [How to create a clone Fiducials then transform the original fiducials onto the clone fiducials](https://discourse.slicer.org/t/how-to-create-a-clone-fiducials-then-transform-the-original-fiducials-onto-the-clone-fiducials/9124)

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**Author:** [@ihsanas](https://discourse.slicer.org/u/ihsanas)\
**Replies:** 13\
**Last updated:** [November 14, 2019, 7:42pm UTC](https://discourse.slicer.org/t/how-to-create-a-clone-fiducials-then-transform-the-original-fiducials-onto-the-clone-fiducials/9124 "2019-11-14T19:42:25Z")

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Hi, Using this code i created 3 markup fiducials, slicer.modules.markups.logic().AddFiducial(random.random()\*5.0 ,random.random()\*5.0,random.random()\*5.0) I want to create another 3 clone fiducials close to these fid…

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## [Lab and lecture materials from first 3D imaging and morphometrics workshops for SlicerMorph](https://discourse.slicer.org/t/lab-and-lecture-materials-from-first-3d-imaging-and-morphometrics-workshops-for-slicermorph/8372)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 5\
**Last updated:** [November 14, 2019, 7:03pm UTC](https://discourse.slicer.org/t/lab-and-lecture-materials-from-first-3d-imaging-and-morphometrics-workshops-for-slicermorph/8372 "2019-11-14T19:03:55Z")

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It is available at: https://github.com/SlicerMorph/S\_2019 Materials in Labs 2-6 might be useful for people who wants to start with 3D Slicer (and in particular working with non-medical CT datasets).

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## [Constraining flood fill to size brushsize](https://discourse.slicer.org/t/constraining-flood-fill-to-size-brushsize/9146)

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**Author:** [@Leon](https://discourse.slicer.org/u/Leon)\
**Replies:** 2\
**Last updated:** [November 14, 2019, 3:19pm UTC](https://discourse.slicer.org/t/constraining-flood-fill-to-size-brushsize/9146 "2019-11-14T15:19:43Z")

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Yesterday I came across this video (https://www.youtube.com/watch?v=HdTKZKumw8o) from the people of Itkgray (https://web.stanford.edu/group/vista/cgi-bin/wiki/index.php/ItkGray). It’s a branch of ItkSnap. Here you see …

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## [Markups node creation icon is confusing users](https://discourse.slicer.org/t/markups-node-creation-icon-is-confusing-users/9016)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 13\
**Last updated:** [November 14, 2019, 2:51pm UTC](https://discourse.slicer.org/t/markups-node-creation-icon-is-confusing-users/9016 "2019-11-14T14:51:06Z")

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Currently same icon is used to create both a new fiducial in a list \[1 below\], and a new fiducial list \[2\] in the Markups module. This behavior is confusing to the users. I propose to modify the node creating one slightl…

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## [Webcam-based marker tracking is available in Slicer now](https://discourse.slicer.org/t/webcam-based-marker-tracking-is-available-in-slicer-now/565)

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**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Replies:** 11\
**Last updated:** [November 14, 2019, 1:56pm UTC](https://discourse.slicer.org/t/webcam-based-marker-tracking-is-available-in-slicer-now/565 "2019-11-14T13:56:09Z")

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While 3D Slicer - using SlicerIGT/Plus - have been supporting real-time position tracking using high-end devices (optical trackers, electromagnetic trackers, surgical navigation system, etc), there has been no ultra-low-…

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## [Counting segmentation clicks](https://discourse.slicer.org/t/counting-segmentation-clicks/9138)

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**Author:** [@conrad](https://discourse.slicer.org/u/conrad)\
**Replies:** 2\
**Last updated:** [November 14, 2019, 12:52pm UTC](https://discourse.slicer.org/t/counting-segmentation-clicks/9138 "2019-11-14T12:52:30Z")

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I’m trying to count the number of clicks required to complete a segmentation in segment editor as a rough measure of difficulty. It doesn’t matter to me which segmentation tool is being used, but I would want to only tra…

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## [Save crosshair settings](https://discourse.slicer.org/t/save-crosshair-settings/9125)

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**Author:** [@Leon](https://discourse.slicer.org/u/Leon)\
**Replies:** 1\
**Last updated:** [November 14, 2019, 1:33am UTC](https://discourse.slicer.org/t/save-crosshair-settings/9125 "2019-11-14T01:33:37Z")

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Is there a way to save my prefered crosshair settings? Jump slices - centered Small basic crosshair Fine crosshair. It always jumps back to default: Jump slices - offset No crosshair Fine crosshair It’s not a big i…

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## [How to shrink OBJ file size?](https://discourse.slicer.org/t/how-to-shrink-obj-file-size/9107)

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**Author:** [@Coloradoultrasound](https://discourse.slicer.org/u/Coloradoultrasound)\
**Replies:** 5\
**Last updated:** [November 13, 2019, 9:21pm UTC](https://discourse.slicer.org/t/how-to-shrink-obj-file-size/9107 "2019-11-13T21:21:24Z")

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Hello, I am trying to figure out how to reduce file size of an OBJ from the segment editor. Is there a way to easily do this?

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## [Different file formats unavailable](https://discourse.slicer.org/t/different-file-formats-unavailable/9105)

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**Author:** [@Purkinje](https://discourse.slicer.org/u/Purkinje)\
**Replies:** 8\
**Last updated:** [November 13, 2019, 5:34pm UTC](https://discourse.slicer.org/t/different-file-formats-unavailable/9105 "2019-11-13T17:34:03Z")

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Dear All, I have installed 3D Slicer recently. I have been working with some maps, but when I go to save the file, I just can choose the format \*.nrrd/.nhdr… There are not other file formats to choose. Do you know the …

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## [Label Map to Model-Export issue](https://discourse.slicer.org/t/label-map-to-model-export-issue/9129)

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**Author:** [@Melodicpinpon](https://discourse.slicer.org/u/Melodicpinpon)\
**Replies:** 2\
**Last updated:** [November 13, 2019, 4:13pm UTC](https://discourse.slicer.org/t/label-map-to-model-export-issue/9129 "2019-11-13T16:13:47Z")

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Goodafternoon from Montpellier, gentlemen, I downloaded a dicom from Open anatomy (the one about the inner ear) saved it and opened it on my computer. The temporal bone model (it contains a bunch of models) is a bit rou…

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## [Metal artifact reduction](https://discourse.slicer.org/t/metal-artifact-reduction/9114)

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**Author:** [@labixin](https://discourse.slicer.org/u/labixin)\
**Replies:** 1\
**Last updated:** [November 12, 2019, 6:46pm UTC](https://discourse.slicer.org/t/metal-artifact-reduction/9114 "2019-11-12T18:46:21Z")

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Hi all, I want to register these two images. But the metal artifact is a bit heavy in the right one. (It’s because that patients had lead wire attached to their skin in order to mark the range of the breast.) Could I us…

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## [Segmentation resolution... problem](https://discourse.slicer.org/t/segmentation-resolution-problem/9110)

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**Author:** [@NoobForSlicer](https://discourse.slicer.org/u/NoobForSlicer)\
**Replies:** 11\
**Last updated:** [November 12, 2019, 4:29pm UTC](https://discourse.slicer.org/t/segmentation-resolution-problem/9110 "2019-11-12T16:29:23Z")

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So I have a volume with horrible resolution to work with… Fine… I want to segment it manually so it looks somewhat better in 3D. Well, I crop the volume and whether I reduce the spacing scale or increase it, nothing ch…

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## [Develop a slicer extension with Deep Learning](https://discourse.slicer.org/t/develop-a-slicer-extension-with-deep-learning/9109)

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**Author:** [@mikecsu](https://discourse.slicer.org/u/mikecsu)\
**Replies:** 2\
**Last updated:** [November 12, 2019, 4:21pm UTC](https://discourse.slicer.org/t/develop-a-slicer-extension-with-deep-learning/9109 "2019-11-12T16:21:46Z")

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Operating system: win 10 Slicer version:4.11.0 Expected behavior: Actual behavior: Hi, everyone. I am doing some investigations to know about if it is possible to develop a slicer extension with Deep Learning on the …

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## [How, in python, to do "Adjust the Plot Viewer's field of view to match the extent of the Plot axes"?](https://discourse.slicer.org/t/how-in-python-to-do-adjust-the-plot-viewers-field-of-view-to-match-the-extent-of-the-plot-axes/9106)

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**Author:** [@aiden.zhu](https://discourse.slicer.org/u/aiden.zhu)\
**Replies:** 2\
**Last updated:** [November 12, 2019, 1:34pm UTC](https://discourse.slicer.org/t/how-in-python-to-do-adjust-the-plot-viewers-field-of-view-to-match-the-extent-of-the-plot-axes/9106 "2019-11-12T13:34:13Z")

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Operating system: windows Slicer version: 4.11.0 Expected behavior: reset the focal of the quantitative view through Python Actual behavior: click button Hi all, I know the slice views, I may use: sliceWidget(“Red”…

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## [Where could I get CT scans and MRI scans](https://discourse.slicer.org/t/where-could-i-get-ct-scans-and-mri-scans/9113)

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**Author:** [@NoobForSlicer](https://discourse.slicer.org/u/NoobForSlicer)\
**Replies:** 0\
**Last updated:** [November 12, 2019, 8:50am UTC](https://discourse.slicer.org/t/where-could-i-get-ct-scans-and-mri-scans/9113 "2019-11-12T08:50:43Z")

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More specifically I would need for example detailed HAND and WRIST MRI and maybe FOOT and ANKLE MRI? I want sources without restrictions, so that I can use it for one presentation and maybe commercial for one osteoporo…

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## [Size of STL/OBJ files - too many triangles](https://discourse.slicer.org/t/size-of-stl-obj-files-too-many-triangles/5137)

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**Author:** [@sarvpriya1985](https://discourse.slicer.org/u/sarvpriya1985)\
**Replies:** 2\
**Last updated:** [November 12, 2019, 5:22am UTC](https://discourse.slicer.org/t/size-of-stl-obj-files-too-many-triangles/5137 "2019-11-12T05:22:03Z")

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Operating system: windows 10 Slicer version:4. 10 Expected behavior: Actual behavior: Hi everyone, Is there a way to compress the size of 3D models before exporting them as STL or OBJ format. Sometimes these are abo…

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## [3D volume appears distorted - jaw looks elongated](https://discourse.slicer.org/t/3d-volume-appears-distorted-jaw-looks-elongated/9072)

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**Author:** [@talalzahid](https://discourse.slicer.org/u/talalzahid)\
**Replies:** 3\
**Last updated:** [November 12, 2019, 12:31am UTC](https://discourse.slicer.org/t/3d-volume-appears-distorted-jaw-looks-elongated/9072 "2019-11-12T00:31:08Z")

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Hi, I am trying to convert the dental CBCT scan into a 3d model to be printed. however when I do that the end result does not look realistic and the jaw looks elongated and the compressed. I have uploaded a picture for…

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## [\[LibraryNotFoundError\] \[SlicerDMRI\]](https://discourse.slicer.org/t/librarynotfounderror-slicerdmri/9064)

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**Author:** [@tbillah](https://discourse.slicer.org/u/tbillah)\
**Replies:** 1\
**Last updated:** [November 11, 2019, 8:17pm UTC](https://discourse.slicer.org/t/librarynotfounderror-slicerdmri/9064 "2019-11-11T20:17:02Z")

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When I try to launch DWIToDTIEstimation from GUI or from CLI: Slicer-4.10.2-linux-amd64/Slicer --launch /path/to/.config/NA-MIC/Extensions-28257/SlicerDMRI/lib/Slicer-4.10/cli-modules/DWIToDTIEstimation --help I run …

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## [Problems during Dicom import](https://discourse.slicer.org/t/problems-during-dicom-import/9060)

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**Author:** [@JoeCrozier](https://discourse.slicer.org/u/JoeCrozier)\
**Replies:** 31\
**Last updated:** [November 11, 2019, 5:28pm UTC](https://discourse.slicer.org/t/problems-during-dicom-import/9060 "2019-11-11T17:28:53Z")

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Slicer Version 4.11.0 Windows 10 Hello, I’m having trouble when importing dicom files, specifically files that have been stored on google drive and downloaded. Let me explain: Normally I bring dicoms over to my works…

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## [DICOM import problem, related to localizer images](https://discourse.slicer.org/t/dicom-import-problem-related-to-localizer-images/4730)

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**Author:** [@torquil](https://discourse.slicer.org/u/torquil)\
**Replies:** 4\
**Last updated:** [November 11, 2019, 3:43pm UTC](https://discourse.slicer.org/t/dicom-import-problem-related-to-localizer-images/4730 "2019-11-11T15:43:13Z")

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Hi! I’m having a problem importing DICOM generated by a software system using with a Siemens Artis Pheeno CT machine. I have found out that it works find it I delete the single DICOM image corresponding to the orthogona…

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## [Can't hide rulers from specific 3d Views (with python)](https://discourse.slicer.org/t/cant-hide-rulers-from-specific-3d-views-with-python/9059)

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**Author:** [@Brian\_N](https://discourse.slicer.org/u/Brian_N)\
**Replies:** 3\
**Last updated:** [November 11, 2019, 1:21pm UTC](https://discourse.slicer.org/t/cant-hide-rulers-from-specific-3d-views-with-python/9059 "2019-11-11T13:21:27Z")

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I’m having trouble displaying an Annotation Ruler in only certain 3D views. For example, when using the Dual 3D Layout, I quickly create both a Fiducial and Ruler. If I input the following up the python interactor, the…

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## [Connection lines?](https://discourse.slicer.org/t/connection-lines/9101)

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**Author:** [@a.dinauer](https://discourse.slicer.org/u/a.dinauer)\
**Replies:** 1\
**Last updated:** [November 11, 2019, 2:52am UTC](https://discourse.slicer.org/t/connection-lines/9101 "2019-11-11T02:52:58Z")

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Hello, I have this problem with my MRI image. When I segment I get these lines. The result becomes very unclean and it happens automatically. Looks like connecting lines. Can I turn it off? I didn’t have this problem …

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## [Problem uploading MRI (IMA files) correctly ](https://discourse.slicer.org/t/problem-uploading-mri-ima-files-correctly/9041)

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**Author:** [@Jonathan](https://discourse.slicer.org/u/Jonathan)\
**Replies:** 4\
**Last updated:** [November 10, 2019, 12:42pm UTC](https://discourse.slicer.org/t/problem-uploading-mri-ima-files-correctly/9041 "2019-11-10T12:42:32Z")

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Operating system: WINDOWS 10 Slicer version: 4.10.1 Actual behavior: partial volume of the geometry is presented. (all planes are sliced) printsceen is attached.

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## [Slicer crashes when adding 2 custom layouts in startup script](https://discourse.slicer.org/t/slicer-crashes-when-adding-2-custom-layouts-in-startup-script/9071)

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**Author:** [@Prashant\_Pandey](https://discourse.slicer.org/u/Prashant_Pandey)\
**Replies:** 4\
**Last updated:** [November 9, 2019, 12:53am UTC](https://discourse.slicer.org/t/slicer-crashes-when-adding-2-custom-layouts-in-startup-script/9071 "2019-11-09T00:53:28Z")

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I want to configure and enable two additional custom layouts that are available in all my Slicer instances. I’m doing this by adding the attached script to my .slicerrc file. However when I start Slicer and select one o…

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## [View displays lag if pixel-spacing is small](https://discourse.slicer.org/t/view-displays-lag-if-pixel-spacing-is-small/9087)

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**Author:** [@aiden.zhu](https://discourse.slicer.org/u/aiden.zhu)\
**Replies:** 10\
**Last updated:** [November 9, 2019, 12:51am UTC](https://discourse.slicer.org/t/view-displays-lag-if-pixel-spacing-is-small/9087 "2019-11-09T00:51:24Z")

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Operating system: Windows Slicer version: 4.11.0-2019-06-23 Expected behavior: display views normally Actual behavior: slice-views displays lag. You see, now I have an image which has a pixel-spacing 15nm (that means…

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