# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=275

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

**Page:** 276

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## [Is there an option to duplicate a segment?](https://discourse.slicer.org/t/is-there-an-option-to-duplicate-a-segment/18074)

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**Author:** [@Giovanni\_Cunha](https://discourse.slicer.org/u/Giovanni_Cunha)\
**Replies:** 6\
**Last updated:** [June 17, 2021, 1:19pm UTC](https://discourse.slicer.org/t/is-there-an-option-to-duplicate-a-segment/18074 "2021-06-17T13:19:27Z")

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I would like to know how to duplicate a segmentation on Slicer. Is there some option to do it? best

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## [Maximum thickness in Baffle Planner module](https://discourse.slicer.org/t/maximum-thickness-in-baffle-planner-module/18133)

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**Author:** [@Aep93](https://discourse.slicer.org/u/Aep93)\
**Replies:** 4\
**Last updated:** [June 17, 2021, 5:17am UTC](https://discourse.slicer.org/t/maximum-thickness-in-baffle-planner-module/18133 "2021-06-17T05:17:56Z")

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Hello all, My maximum thickness in the Baffle Planner module is 10. How can I increase it? Thanks in advance.

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## [Increasing the maximum value range in CreateModels module](https://discourse.slicer.org/t/increasing-the-maximum-value-range-in-createmodels-module/18175)

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**Author:** [@Aep93](https://discourse.slicer.org/u/Aep93)\
**Replies:** 2\
**Last updated:** [June 17, 2021, 5:17am UTC](https://discourse.slicer.org/t/increasing-the-maximum-value-range-in-createmodels-module/18175 "2021-06-17T05:17:21Z")

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Hello all, I am using the CreateModels module, however, the maximum value threshold is 200 as can be see in the picture below and I cannot enter numbers greater than that. How can I increase this value? Thanks in ad…

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## [How to find the image match between the external reference with the annotations and the sequence in 3DSlicer?](https://discourse.slicer.org/t/how-to-find-the-image-match-between-the-external-reference-with-the-annotations-and-the-sequence-in-3dslicer/18145)

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**Author:** [@Mostafa2020](https://discourse.slicer.org/u/Mostafa2020)\
**Replies:** 6\
**Last updated:** [June 17, 2021, 5:00am UTC](https://discourse.slicer.org/t/how-to-find-the-image-match-between-the-external-reference-with-the-annotations-and-the-sequence-in-3dslicer/18145 "2021-06-17T05:00:41Z")

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Hi All, I have annotation files that contain a box surrounding the tumor. In order to do the segmentation process in 3D Slicer and extract features, I am going to find the exact match between the annotation file and the…

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## [Modifications to Cardiac module or suggestion to module for annotation of geometrical components](https://discourse.slicer.org/t/modifications-to-cardiac-module-or-suggestion-to-module-for-annotation-of-geometrical-components/17917)

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**Author:** [@hmaguilera](https://discourse.slicer.org/u/hmaguilera)\
**Replies:** 12\
**Last updated:** [June 16, 2021, 8:57pm UTC](https://discourse.slicer.org/t/modifications-to-cardiac-module-or-suggestion-to-module-for-annotation-of-geometrical-components/17917 "2021-06-16T20:57:25Z")

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Hi, I am new to 3D Slicer and I would like to use it to study the mitral valve from 3D echocardiography. What I am looking for may already be an available extension, but I have not found it. What I would like is the ca…

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## [Open curve markup+cross-section analysis：an optional way of the centerline extraction and measurement of vessel?](https://discourse.slicer.org/t/open-curve-markup-cross-section-analysis-an-optional-way-of-the-centerline-extraction-and-measurement-of-vessel/18073)

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**Author:** [@chendong9416](https://discourse.slicer.org/u/chendong9416)\
**Replies:** 6\
**Last updated:** [June 16, 2021, 11:03pm UTC](https://discourse.slicer.org/t/open-curve-markup-cross-section-analysis-an-optional-way-of-the-centerline-extraction-and-measurement-of-vessel/18073 "2021-06-16T23:03:31Z")

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Now in 3D slicer, the best way for the measurement of aorta is segmentation + centerline extraction + cross-section analysis, however, it is not fitted for some type of aortic disease (intramural hematoma for example), a…

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## [Procedure for labelmap volume generation and color table](https://discourse.slicer.org/t/procedure-for-labelmap-volume-generation-and-color-table/18131)

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**Author:** [@csglui](https://discourse.slicer.org/u/csglui)\
**Replies:** 2\
**Last updated:** [June 16, 2021, 9:20pm UTC](https://discourse.slicer.org/t/procedure-for-labelmap-volume-generation-and-color-table/18131 "2021-06-16T21:20:48Z")

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Hello, I have a segmentation file in .nii.gz format. My objective is to convert the segmentation file to a labelmap volume with my own specfied color, and then the segmentation result can be visualized in web brower usi…

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## [How to color Frank's sign part in the ear without segmentation](https://discourse.slicer.org/t/how-to-color-franks-sign-part-in-the-ear-without-segmentation/18080)

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**Author:** [@abhijeet2410](https://discourse.slicer.org/u/abhijeet2410)\
**Replies:** 7\
**Last updated:** [June 16, 2021, 9:02pm UTC](https://discourse.slicer.org/t/how-to-color-franks-sign-part-in-the-ear-without-segmentation/18080 "2021-06-16T21:02:01Z")

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Hello Everyone, For my project, I need to color some part of ear in niffi images. Over that I am going to apply segementatio so that while training deep learning model, machine can easily understand which part must be …

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## [Converting Pathological Images to 3D Models](https://discourse.slicer.org/t/converting-pathological-images-to-3d-models/17853)

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**Author:** [@arif](https://discourse.slicer.org/u/arif)\
**Replies:** 5\
**Last updated:** [June 1, 2021, 5:35pm UTC](https://discourse.slicer.org/t/converting-pathological-images-to-3d-models/17853 "2021-06-01T17:35:21Z")

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Hi dear Slicer community I am trying to convert images of pathology (jpeg) to 3d models. Is it possible to do something like this in Slicer or should I look for other options ? Also I am open to any suggestions. Best R…

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## [Slicer quit unexpectedly- Mac](https://discourse.slicer.org/t/slicer-quit-unexpectedly-mac/18166)

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**Author:** [@Kruthi](https://discourse.slicer.org/u/Kruthi)\
**Replies:** 3\
**Last updated:** [June 16, 2021, 8:37pm UTC](https://discourse.slicer.org/t/slicer-quit-unexpectedly-mac/18166 "2021-06-16T20:37:21Z")

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Hello, I am trying to open .mrb file but this is the error message I get every time. I am using a MacBook Pro.

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## [Unsigned application issue on Mac](https://discourse.slicer.org/t/unsigned-application-issue-on-mac/12930)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 3\
**Last updated:** [June 16, 2021, 6:16pm UTC](https://discourse.slicer.org/t/unsigned-application-issue-on-mac/12930 "2021-06-16T18:16:29Z")

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Posting on behalf of a user. He apparently installed the latest mac preview, but got this error message after trying to start Slicer. “Slicer” cannot be opened because the developer cannot be verified. macOS cannot ver…

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## [Issues with viewing CT scans](https://discourse.slicer.org/t/issues-with-viewing-ct-scans/4003)

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**Author:** [@ReNeu](https://discourse.slicer.org/u/ReNeu)\
**Replies:** 4\
**Last updated:** [June 16, 2021, 6:06pm UTC](https://discourse.slicer.org/t/issues-with-viewing-ct-scans/4003 "2021-06-16T18:06:04Z")

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Operating system: Microsoft Slicer version:4.8.0 Expected behavior: Opening CT scans in Slicer Actual behavior: I have two problems with viewing axial CT scan. For some of my data When I open one image in the seque…

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## [Incompatible Elastix transformation parameters with Transforms module](https://discourse.slicer.org/t/incompatible-elastix-transformation-parameters-with-transforms-module/18151)

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**Author:** [@HodaGH](https://discourse.slicer.org/u/HodaGH)\
**Replies:** 2\
**Last updated:** [June 16, 2021, 6:03pm UTC](https://discourse.slicer.org/t/incompatible-elastix-transformation-parameters-with-transforms-module/18151 "2021-06-16T18:03:09Z")

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Hi, The resulting transform parameters from parameters file or elastix log are different from what I see in the transforms module and this is happening for all my registrations. For example this is in the transform par…

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## [MRI to US contour propagation module](https://discourse.slicer.org/t/mri-to-us-contour-propagation-module/15122)

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**Author:** [@erpoul](https://discourse.slicer.org/u/erpoul)\
**Replies:** 8\
**Last updated:** [June 16, 2021, 3:34pm UTC](https://discourse.slicer.org/t/mri-to-us-contour-propagation-module/15122 "2021-06-16T15:34:41Z")

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Hi, I am trying to install the new version of 3D slicer with the Mri to US contour proagation module, but it seems the module doesn’t work well in the new version 4.11.20200930. I have installed Slicer RT and the Segmen…

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## [Grey Level Image looking Blue (or other color)](https://discourse.slicer.org/t/grey-level-image-looking-blue-or-other-color/18095)

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**Author:** [@MachadoL](https://discourse.slicer.org/u/MachadoL)\
**Replies:** 4\
**Last updated:** [June 15, 2021, 9:13pm UTC](https://discourse.slicer.org/t/grey-level-image-looking-blue-or-other-color/18095 "2021-06-15T21:13:09Z")

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Hey guys recurrently I get into this situation. I have a gray scale medical image, but when I load the image inside 3D slicer… the image appears BLUE! Take a look. It is like this: But appears like this: Could’n…

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## [Warnings Detected During Load](https://discourse.slicer.org/t/warnings-detected-during-load/18125)

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**Author:** [@arif](https://discourse.slicer.org/u/arif)\
**Replies:** 1\
**Last updated:** [June 15, 2021, 8:39pm UTC](https://discourse.slicer.org/t/warnings-detected-during-load/18125 "2021-06-15T20:39:08Z")

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When I tried to load DICOM file, I am getting this warning below: 'warnings detected during load. examine data in advanced mode for details. load anyway? 13: t2\_tse\_tra\_512\_p2 \[Scalar Volume\]: Multi-frame image. If sli…

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## [How to determine general registration (BRAINS) accuracy?](https://discourse.slicer.org/t/how-to-determine-general-registration-brains-accuracy/18150)

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**Author:** [@ahopf](https://discourse.slicer.org/u/ahopf)\
**Replies:** 2\
**Last updated:** [June 15, 2021, 7:27pm UTC](https://discourse.slicer.org/t/how-to-determine-general-registration-brains-accuracy/18150 "2021-06-15T19:27:52Z")

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Hi, I am registering MRI and CT images of the scapula using the MMI cost metric in the general registration (BRAINS) module. Is there a way to quantify the accuracy of this registration method?

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## [DICOM transforms and units](https://discourse.slicer.org/t/dicom-transforms-and-units/18148)

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**Author:** [@Kaya\_Zelazny](https://discourse.slicer.org/u/Kaya_Zelazny)\
**Replies:** 1\
**Last updated:** [June 15, 2021, 7:07pm UTC](https://discourse.slicer.org/t/dicom-transforms-and-units/18148 "2021-06-15T19:07:09Z")

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Hello - I’m new to 3D slicer, and trying to use the transforms module to extract cross-sections of a bone from a DICOM image stack. The original CT was not in the correct orientation for the bone I am looking at, so I s…

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## [How to select one among several annotated images to do the segmentation process in 3D Slicer?](https://discourse.slicer.org/t/how-to-select-one-among-several-annotated-images-to-do-the-segmentation-process-in-3d-slicer/17608)

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**Author:** [@Mostafa2020](https://discourse.slicer.org/u/Mostafa2020)\
**Replies:** 4\
**Last updated:** [June 15, 2021, 6:00pm UTC](https://discourse.slicer.org/t/how-to-select-one-among-several-annotated-images-to-do-the-segmentation-process-in-3d-slicer/17608 "2021-06-15T18:00:24Z")

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Operating system: macOS Slicer version:4.11 Expected behavior: Actual behavior: Hi all, I am using an annotation file to do the segmentation process in 3D Slicer. But in the annotation file, there are several annota…

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## [Exporting transformed data](https://discourse.slicer.org/t/exporting-transformed-data/601)

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**Author:** [@faraz1368](https://discourse.slicer.org/u/faraz1368)\
**Replies:** 3\
**Last updated:** [July 11, 2017, 5:28pm UTC](https://discourse.slicer.org/t/exporting-transformed-data/601 "2017-07-11T17:28:19Z")

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Operating system: Windows Slicer version:4.6.2 Expected behavior: Transform location of an ROI (label) and export the transformed data as a DICOM Actual behavior: Exported ROI is at the same location. Hello, I am tryi…

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## [Merging two .fcsv files](https://discourse.slicer.org/t/merging-two-fcsv-files/18134)

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**Author:** [@jusopar](https://discourse.slicer.org/u/jusopar)\
**Replies:** 2\
**Last updated:** [June 15, 2021, 2:51pm UTC](https://discourse.slicer.org/t/merging-two-fcsv-files/18134 "2021-06-15T14:51:24Z")

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Is it possible to combine two landmark dataset of the same sample (from separate .fcsv files) into a single .fcsv? Thanks in advance!

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## [Zoom in and out button from the standard toolbar](https://discourse.slicer.org/t/zoom-in-and-out-button-from-the-standard-toolbar/18077)

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**Author:** [@Kshitij\_Panchal](https://discourse.slicer.org/u/Kshitij_Panchal)\
**Replies:** 5\
**Last updated:** [June 15, 2021, 9:18am UTC](https://discourse.slicer.org/t/zoom-in-and-out-button-from-the-standard-toolbar/18077 "2021-06-15T09:18:41Z")

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@lassoan @cpinter Hello. I am trying to create zoom buttons. Basically, these buttons will zoom in and out the loaded Dicom data in a particular view (red slice, yellow slice, green slice). It will be a simple zoom in …

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## [Nvidia AI-assisted annotation (AIAA) for 3D Slicer for Windows](https://discourse.slicer.org/t/nvidia-ai-assisted-annotation-aiaa-for-3d-slicer-for-windows/18107)

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**Author:** [@Klakla](https://discourse.slicer.org/u/Klakla)\
**Replies:** 2\
**Last updated:** [June 14, 2021, 9:10pm UTC](https://discourse.slicer.org/t/nvidia-ai-assisted-annotation-aiaa-for-3d-slicer-for-windows/18107 "2021-06-14T21:10:16Z")

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\` for setting up this software I’m only finished step 1 and can’t fix step 2 and step 3. I’m asking for help step-1 :Download and install recent 3D Slicer Preview Release (4.11.x) from http://download.slicer. step-2 :…

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## [Memory management when segmenting](https://discourse.slicer.org/t/memory-management-when-segmenting/18097)

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**Author:** [@bcolbert](https://discourse.slicer.org/u/bcolbert)\
**Replies:** 2\
**Last updated:** [June 14, 2021, 8:34pm UTC](https://discourse.slicer.org/t/memory-management-when-segmenting/18097 "2021-06-14T20:34:45Z")

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I am a new user and not terribly technically proficient. I am segmenting a ~3.5gb data set and am am having issues. While just running in the background (not doing any segmenting) Slicer is using nearly 8gb of my 16gb RA…

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## [Local Rotations, Pivot Points](https://discourse.slicer.org/t/local-rotations-pivot-points/18106)

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**Author:** [@Fluvio\_Lobo](https://discourse.slicer.org/u/Fluvio_Lobo)\
**Replies:** 0\
**Last updated:** [June 14, 2021, 3:40am UTC](https://discourse.slicer.org/t/local-rotations-pivot-points/18106 "2021-06-14T03:40:11Z")

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Hello, What is the best way of performing rotations about a fiducial marker, landmark, or pivot point? I would typically use registration, but I do not have a target segment (final position/rotation) for these structur…

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## [Meaning of "precision" in unit specification](https://discourse.slicer.org/t/meaning-of-precision-in-unit-specification/18087)

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**Author:** [@chendong9416](https://discourse.slicer.org/u/chendong9416)\
**Replies:** 8\
**Last updated:** [June 13, 2021, 1:59am UTC](https://discourse.slicer.org/t/meaning-of-precision-in-unit-specification/18087 "2021-06-13T01:59:21Z")

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Hi, when i change the precision in units setting, it doesn’t work well in the image.

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## [Angle Planes - No "Model for Projection" Option](https://discourse.slicer.org/t/angle-planes-no-model-for-projection-option/18099)

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**Author:** [@fmcguire](https://discourse.slicer.org/u/fmcguire)\
**Replies:** 0\
**Last updated:** [June 13, 2021, 1:27am UTC](https://discourse.slicer.org/t/angle-planes-no-model-for-projection-option/18099 "2021-06-13T01:27:33Z")

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Operating system: MacOS Big Sur 11.4 Slicer version: 4.11.20210226 r29738 / 7a593c8 Expected behavior: Option to choose selected volume in “Model for Projection” Actual behavior: No option exists See Attached scre…

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## [LNK2019 error while importing functions from different class](https://discourse.slicer.org/t/lnk2019-error-while-importing-functions-from-different-class/18026)

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**Author:** [@trash\_imp](https://discourse.slicer.org/u/trash_imp)\
**Replies:** 1\
**Last updated:** [June 9, 2021, 4:46am UTC](https://discourse.slicer.org/t/lnk2019-error-while-importing-functions-from-different-class/18026 "2021-06-09T04:46:20Z")

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I wanted to access the functions in qSlicerApplication and qSlicerLayoutManager in qMRMLThreeDViewControllerWidget class. when a Button in qMRMLThreeDViewControllerWidget is clicked an action ViewLayoutOneUp3DAction …

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## [Importing dicoms only first image is imported](https://discourse.slicer.org/t/importing-dicoms-only-first-image-is-imported/18086)

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**Author:** [@Hello](https://discourse.slicer.org/u/Hello)\
**Replies:** 2\
**Last updated:** [June 12, 2021, 4:03am UTC](https://discourse.slicer.org/t/importing-dicoms-only-first-image-is-imported/18086 "2021-06-12T04:03:00Z")

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When I try to import a DICOM file only the first image uploads. I can only see the first slice. How can I get the entire file to upload, I only recently started having this problem. Here is a link to one of the folders …

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## [Meshes won't process in SPHARM-PDM Generator](https://discourse.slicer.org/t/meshes-wont-process-in-spharm-pdm-generator/18085)

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**Author:** [@quan](https://discourse.slicer.org/u/quan)\
**Replies:** 0\
**Last updated:** [June 11, 2021, 9:47pm UTC](https://discourse.slicer.org/t/meshes-wont-process-in-spharm-pdm-generator/18085 "2021-06-11T21:47:12Z")

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Hi!! I’m trying to run a few meshes through the SPHARM-PDM generator. My process is as follow: Import .stl files Convert .stl to binary label map .nrrd Input the .nrrd into the SPHARM-PDM generator pipeline Change some…

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