# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=354

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

**Page:** 355

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## [How to fill color to the vtkMRMLAnnotationROINode?](https://discourse.slicer.org/t/how-to-fill-color-to-the-vtkmrmlannotationroinode/10150)

<div class="topic-metadata">

**Author:** [@tbuikr](https://discourse.slicer.org/u/tbuikr)\
**Replies:** 1\
**Last updated:** [February 7, 2020, 2:17pm UTC](https://discourse.slicer.org/t/how-to-fill-color-to-the-vtkmrmlannotationroinode/10150 "2020-02-07T14:17:03Z")

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I have created a ROI box as following code import SampleData sampleDataLogic = SampleData.SampleDataLogic() self.delayDisplay("Getting MR Head Volume") mrHeadVolume = sampleDataLogic.down…

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## [Script repository "Add a texture mapped plane to the scene as a model" has error](https://discourse.slicer.org/t/script-repository-add-a-texture-mapped-plane-to-the-scene-as-a-model-has-error/10143)

<div class="topic-metadata">

**Author:** [@mikebind](https://discourse.slicer.org/u/mikebind)\
**Replies:** 1\
**Last updated:** [February 6, 2020, 8:31pm UTC](https://discourse.slicer.org/t/script-repository-add-a-texture-mapped-plane-to-the-scene-as-a-model-has-error/10143 "2020-02-06T20:31:20Z")

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From an empty scene, pasting the code from the “Add a texture mapped plane to the scene as a model” section from the script repository (https://www.slicer.org/wiki/Documentation/Nightly/ScriptRepository#Add\_a\_texture\_map…

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## [Is there a keystroke to cycle through effects in segment editor](https://discourse.slicer.org/t/is-there-a-keystroke-to-cycle-through-effects-in-segment-editor/10117)

<div class="topic-metadata">

**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 2\
**Last updated:** [February 6, 2020, 8:08pm UTC](https://discourse.slicer.org/t/is-there-a-keystroke-to-cycle-through-effects-in-segment-editor/10117 "2020-02-06T20:08:08Z")

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From the docs it appears that numerals are used to shortcut different effects. Would it be possible to add two keystrokes which cycle through the effects left and right (much like the f/g combination for slice views). P…

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## [How to change the background with a picture in 3d window?](https://discourse.slicer.org/t/how-to-change-the-background-with-a-picture-in-3d-window/1628)

<div class="topic-metadata">

**Author:** [@timeanddoctor](https://discourse.slicer.org/u/timeanddoctor)\
**Replies:** 8\
**Last updated:** [February 6, 2020, 4:54pm UTC](https://discourse.slicer.org/t/how-to-change-the-background-with-a-picture-in-3d-window/1628 "2020-02-06T16:54:51Z")

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Operating system:win 7 Slicer version:4.8 Expected behavior: Actual behavior:

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## [SlicerFab - Incomplete Export of Volume](https://discourse.slicer.org/t/slicerfab-incomplete-export-of-volume/10091)

<div class="topic-metadata">

**Author:** [@KTing](https://discourse.slicer.org/u/KTing)\
**Replies:** 5\
**Last updated:** [February 6, 2020, 2:08pm UTC](https://discourse.slicer.org/t/slicerfab-incomplete-export-of-volume/10091 "2020-02-06T14:08:22Z")

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Hello, I’m fairly new to the Slicer community and am using SlicerFab to export my volume rendering to a stack of PNG’s. Currently the PNG’s appear to just be multiple copies of one “layer”. It also stops after exportin…

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## [Using surface cut with curves](https://discourse.slicer.org/t/using-surface-cut-with-curves/10134)

<div class="topic-metadata">

**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 4\
**Last updated:** [February 6, 2020, 5:14am UTC](https://discourse.slicer.org/t/using-surface-cut-with-curves/10134 "2020-02-06T05:14:05Z")

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Is it possible to use Surface Cut tool with fiducials that are already placed, particularly with curve ones?

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## [How to disable saving PNG when saving an mrml scene](https://discourse.slicer.org/t/how-to-disable-saving-png-when-saving-an-mrml-scene/10121)

<div class="topic-metadata">

**Author:** [@Vincent\_C](https://discourse.slicer.org/u/Vincent_C)\
**Replies:** 3\
**Last updated:** [February 5, 2020, 7:17pm UTC](https://discourse.slicer.org/t/how-to-disable-saving-png-when-saving-an-mrml-scene/10121 "2020-02-05T19:17:31Z")

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Hi all, How can I disable the .png that automatically saves when I save the an mrml scene? I have no use for this screenshot of my scene and would like to turn off this feature. Thanks

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## [How to disable the Add Data Dialog when dragging and dropping an .mrml file into Slicer?](https://discourse.slicer.org/t/how-to-disable-the-add-data-dialog-when-dragging-and-dropping-an-mrml-file-into-slicer/10131)

<div class="topic-metadata">

**Author:** [@Vincent\_C](https://discourse.slicer.org/u/Vincent_C)\
**Replies:** 3\
**Last updated:** [February 6, 2020, 4:19am UTC](https://discourse.slicer.org/t/how-to-disable-the-add-data-dialog-when-dragging-and-dropping-an-mrml-file-into-slicer/10131 "2020-02-06T04:19:42Z")

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Hi there, How can I disable the add data dialog window when I drag and drop .mrml files into Slicer? Is there a command I can put into slicerrc.py to prevent the dialog pop-up window from appearing everytime and drag an…

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## [Interpolation Between Slices](https://discourse.slicer.org/t/interpolation-between-slices/7330)

<div class="topic-metadata">

**Author:** [@Juicy](https://discourse.slicer.org/u/Juicy)\
**Replies:** 9\
**Last updated:** [February 6, 2020, 4:17am UTC](https://discourse.slicer.org/t/interpolation-between-slices/7330 "2020-02-06T04:17:28Z")

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Hi, I have a CT scan of a head which was acquired with 4mm slices. I am trying to reduce some of the step artefacts in the segment. There seems to not be a very smooth interpolation between the axial slices. If you look…

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## [How to set coordinate of Dicom file?](https://discourse.slicer.org/t/how-to-set-coordinate-of-dicom-file/10125)

<div class="topic-metadata">

**Author:** [@tbuikr](https://discourse.slicer.org/u/tbuikr)\
**Replies:** 2\
**Last updated:** [February 6, 2020, 2:31am UTC](https://discourse.slicer.org/t/how-to-set-coordinate-of-dicom-file/10125 "2020-02-06T02:31:51Z")

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Hello all, I have a dicom file. I open it on ITK-snap with the coordinate is 0 Then, I open it on Slicer, and create an ROI on the image. # Create ROI roiNode = slicer.vtkMRMLAnnotationROINode() roiNode.S…

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## [Registration - lining up fiducials into the same plane](https://discourse.slicer.org/t/registration-lining-up-fiducials-into-the-same-plane/9877)

<div class="topic-metadata">

**Author:** [@uwo27](https://discourse.slicer.org/u/uwo27)\
**Replies:** 3\
**Last updated:** [February 5, 2020, 7:09pm UTC](https://discourse.slicer.org/t/registration-lining-up-fiducials-into-the-same-plane/9877 "2020-02-05T19:09:27Z")

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I am registering histology and MRI images by using fiducials in the Markups module then performing initial rigid landmark registration, then going to the transforms module. I am having difficulty after transforming when …

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## [Generating Panoramic Radiograph from Ct data](https://discourse.slicer.org/t/generating-panoramic-radiograph-from-ct-data/10124)

<div class="topic-metadata">

**Author:** [@JoeCrozier](https://discourse.slicer.org/u/JoeCrozier)\
**Replies:** 2\
**Last updated:** [February 5, 2020, 4:28pm UTC](https://discourse.slicer.org/t/generating-panoramic-radiograph-from-ct-data/10124 "2020-02-05T16:28:16Z")

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Hello, At our hospital, our craniofacial surgeons have been discussing whether it’s necessary to order both a ct scan and a panoramic xray (“panorex”) when performing certain procedures. The current practice is to get …

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## [DICOM image size](https://discourse.slicer.org/t/dicom-image-size/10069)

<div class="topic-metadata">

**Author:** [@Ramya\_C](https://discourse.slicer.org/u/Ramya_C)\
**Replies:** 17\
**Last updated:** [February 5, 2020, 5:47am UTC](https://discourse.slicer.org/t/dicom-image-size/10069 "2020-02-05T05:47:12Z")

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Is there a way to check the DICOM image size (dimensions, length) in 3D slicer ? May I know how to do it. Thanks

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## [Perk Tutor - Return more than one value in custom metric function](https://discourse.slicer.org/t/perk-tutor-return-more-than-one-value-in-custom-metric-function/9137)

<div class="topic-metadata">

**Author:** [@Prashant\_Pandey](https://discourse.slicer.org/u/Prashant_Pandey)\
**Replies:** 16\
**Last updated:** [February 5, 2020, 3:46am UTC](https://discourse.slicer.org/t/perk-tutor-return-more-than-one-value-in-custom-metric-function/9137 "2020-02-05T03:46:08Z")

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I’ve written a simple metric for Perk Tutor (see code below) to analyze the deviation between the tool and an entry point. Instead of returning the final RMS deviation, I also want to return the R, A, S components of the…

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## [How to import python libraries installed with --user option](https://discourse.slicer.org/t/how-to-import-python-libraries-installed-with-user-option/10112)

<div class="topic-metadata">

**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 2\
**Last updated:** [February 4, 2020, 11:47pm UTC](https://discourse.slicer.org/t/how-to-import-python-libraries-installed-with-user-option/10112 "2020-02-04T23:47:33Z")

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on a shared linux system, if I install pip\_install a python package I get this error \>\>\> pip\_install('scipy') Collecting scipy Using cached https://files.pythonhosted.org/packages/dc/29/162476fd44203116e7980cfbd9352…

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## [Loading 3ddose files & DICOM image in 3D slicer](https://discourse.slicer.org/t/loading-3ddose-files-dicom-image-in-3d-slicer/10082)

<div class="topic-metadata">

**Author:** [@elham1992](https://discourse.slicer.org/u/elham1992)\
**Replies:** 2\
**Last updated:** [February 4, 2020, 4:10pm UTC](https://discourse.slicer.org/t/loading-3ddose-files-dicom-image-in-3d-slicer/10082 "2020-02-04T16:10:00Z")

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Operating system:windows 10 Slicer version:4.11.0 Expected behavior: Actual behavior: Hi all I have installed 3D slicer 4.11.0 & its extension package but I have many problems! The phantom image is in DICOM format…

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## [Elastix build error](https://discourse.slicer.org/t/elastix-build-error/9995)

<div class="topic-metadata">

**Author:** [@Alex\_Vergara](https://discourse.slicer.org/u/Alex_Vergara)\
**Replies:** 12\
**Last updated:** [February 4, 2020, 3:02pm UTC](https://discourse.slicer.org/t/elastix-build-error/9995 "2020-02-04T15:02:50Z")

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As seen here http://slicer.cdash.org/buildSummary.php?buildid=1809996 elastix is failing and it is not being built, there is any schedule to solve this issue, it seems quite complicated errors there

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## [Save 3D reconstruction for machine learning](https://discourse.slicer.org/t/save-3d-reconstruction-for-machine-learning/10096)

<div class="topic-metadata">

**Author:** [@manu1991](https://discourse.slicer.org/u/manu1991)\
**Replies:** 1\
**Last updated:** [February 4, 2020, 4:25am UTC](https://discourse.slicer.org/t/save-3d-reconstruction-for-machine-learning/10096 "2020-02-04T04:25:12Z")

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hi there, Im using Slice 3D for identification of the Urethra in prostate cancer. I’m making few sets of training data that I’ll export in python for the machine learning and deep learning. How should I save the format …

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## [Creating 3D printed model of Airways using CT](https://discourse.slicer.org/t/creating-3d-printed-model-of-airways-using-ct/10072)

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**Author:** [@Zwell](https://discourse.slicer.org/u/Zwell)\
**Replies:** 3\
**Last updated:** [February 3, 2020, 5:31pm UTC](https://discourse.slicer.org/t/creating-3d-printed-model-of-airways-using-ct/10072 "2020-02-03T17:31:14Z")

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Hi, I am trying to make a 3D printed airway from CT scan. I have managed to do a version myself but it isn’t the best - I have seen online there is a Airway Segmentation Extension - how do I get access for this to use p…

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## [clip segment or model along a plane](https://discourse.slicer.org/t/clip-segment-or-model-along-a-plane/10073)

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**Author:** [@jpva](https://discourse.slicer.org/u/jpva)\
**Replies:** 3\
**Last updated:** [February 3, 2020, 4:34am UTC](https://discourse.slicer.org/t/clip-segment-or-model-along-a-plane/10073 "2020-02-03T04:34:55Z")

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Hello, I would like to clip a segment along a plane to see the internal structure of the both part of the clipped segment. With surface cut, I have difficulty to obtain a plane for the cut and I did not find a way to se…

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## [Segmenting individual muscle fibers](https://discourse.slicer.org/t/segmenting-individual-muscle-fibers/10062)

<div class="topic-metadata">

**Author:** [@Yordano\_Jimenez](https://discourse.slicer.org/u/Yordano_Jimenez)\
**Replies:** 4\
**Last updated:** [February 2, 2020, 5:23pm UTC](https://discourse.slicer.org/t/segmenting-individual-muscle-fibers/10062 "2020-02-02T17:23:00Z")

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Hey folks, I am vertebrate morphologist using Slicer to segment bones and muscles (from contrast-stained specimens). I am comfortable with segmenting bone and muscle (i.e., the whole muscle body), but the next step of m…

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## [Fast Marching gone for good](https://discourse.slicer.org/t/fast-marching-gone-for-good/10059)

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**Author:** [@three\_wise\_surgeons](https://discourse.slicer.org/u/three_wise_surgeons)\
**Replies:** 4\
**Last updated:** [February 1, 2020, 4:14pm UTC](https://discourse.slicer.org/t/fast-marching-gone-for-good/10059 "2020-02-01T16:14:39Z")

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Hi there… after a while segmenting manually, I’ve tried to find Fast Marching button… and it’s gone… Should i install it from ext. manager or the latest nightly build version for mac doesn´t has it? And the simple filt…

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## [Automatically view LabelMapNodes](https://discourse.slicer.org/t/automatically-view-labelmapnodes/10036)

<div class="topic-metadata">

**Author:** [@kleingeo](https://discourse.slicer.org/u/kleingeo)\
**Replies:** 7\
**Last updated:** [January 31, 2020, 5:51pm UTC](https://discourse.slicer.org/t/automatically-view-labelmapnodes/10036 "2020-01-31T17:51:04Z")

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I developed a segmentation module and want to be able to display the segmentation after it is generated, but I am unsure how to do it. This is what I have so far (for the relevant parts). Any help would be much appreciat…

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## [All about Registration](https://discourse.slicer.org/t/all-about-registration/10039)

<div class="topic-metadata">

**Author:** [@banikr](https://discourse.slicer.org/u/banikr)\
**Replies:** 10\
**Last updated:** [January 31, 2020, 4:58pm UTC](https://discourse.slicer.org/t/all-about-registration/10039 "2020-01-31T16:58:45Z")

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Hey, I am embarking a project that involves human brain/head registration. I have 100 patient data and would like to register them without losing the inter-subject variability and shape and size of different subjects(mor…

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## [Does 3D slicer have any tools with a function similar to AMIRA's "magic wand"?](https://discourse.slicer.org/t/does-3d-slicer-have-any-tools-with-a-function-similar-to-amiras-magic-wand/3008)

<div class="topic-metadata">

**Author:** [@Naia](https://discourse.slicer.org/u/Naia)\
**Replies:** 4\
**Last updated:** [January 31, 2020, 2:18pm UTC](https://discourse.slicer.org/t/does-3d-slicer-have-any-tools-with-a-function-similar-to-amiras-magic-wand/3008 "2020-01-31T14:18:41Z")

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I’m looking for a 3D Slicer tool that will segment a bone isolated from others from a single click, taking into account the threshold chosen by the user. This logic of this tool would be to select all the pixels that are…

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## [Registring a volume inside another volume](https://discourse.slicer.org/t/registring-a-volume-inside-another-volume/10047)

<div class="topic-metadata">

**Author:** [@muntahi398](https://discourse.slicer.org/u/muntahi398)\
**Replies:** 1\
**Last updated:** [January 31, 2020, 12:03pm UTC](https://discourse.slicer.org/t/registring-a-volume-inside-another-volume/10047 "2020-01-31T12:03:12Z")

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Dear All, I am trying to register a volume inside another bigger volume, where I know that it should have only translation in Y axis and rotation only to match. Here is the screeenshot… register\_volume.PNG|690x397 …

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## [Export RTStruct referencing original volume](https://discourse.slicer.org/t/export-rtstruct-referencing-original-volume/9771)

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**Author:** [@rmd](https://discourse.slicer.org/u/rmd)\
**Replies:** 5\
**Last updated:** [January 31, 2020, 11:01am UTC](https://discourse.slicer.org/t/export-rtstruct-referencing-original-volume/9771 "2020-01-31T11:01:11Z")

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Hi Everyone, I’m trying to use the DicomRtImportExportPlugin python module to export RTStructs associated with a CT volume (call it the original volume). When I use the exporter it creates a new CT volume (same pixel va…

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## [3D Slicer 3.6.3. extension manager](https://discourse.slicer.org/t/3d-slicer-3-6-3-extension-manager/10046)

<div class="topic-metadata">

**Author:** [@Adam1122](https://discourse.slicer.org/u/Adam1122)\
**Replies:** 2\
**Last updated:** [January 31, 2020, 10:31am UTC](https://discourse.slicer.org/t/3d-slicer-3-6-3-extension-manager/10046 "2020-01-31T10:31:37Z")

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Hello all, is the 3D Slicer 3.6.3 version still supported? If so, where can I download the extension manager tools? When trying to open the extension manager windows (http://ext.slicer.org/ext/Slicer-3-6/16156-win32) th…

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## [DWI EPI distortion correction](https://discourse.slicer.org/t/dwi-epi-distortion-correction/9929)

<div class="topic-metadata">

**Author:** [@Adam1122](https://discourse.slicer.org/u/Adam1122)\
**Replies:** 2\
**Last updated:** [January 31, 2020, 9:45am UTC](https://discourse.slicer.org/t/dwi-epi-distortion-correction/9929 "2020-01-31T09:45:01Z")

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Hello, I have an input DWI dataset and wanna perform the EPI correction (magnetic susceptibility induced distortion, geometric distortion…). Does 3D Slicer enable to perform the EPI correction? Thanks a lot Regards Ad…

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## [Segment statistics](https://discourse.slicer.org/t/segment-statistics/7303)

<div class="topic-metadata">

**Author:** [@persst](https://discourse.slicer.org/u/persst)\
**Replies:** 6\
**Last updated:** [January 30, 2020, 9:17pm UTC](https://discourse.slicer.org/t/segment-statistics/7303 "2020-01-30T21:17:25Z")

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Hi! I have a question regarding the module Segment Statistics. After applying Segement Statistics in 3DSlicer 4.9, 3DSlicer displays two different volumes, volume (1) and (2). Please find the attached table here: Wh…

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