# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=263

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

**Page:** 264

---

## [Slice View Control using Slice Projection in other Slice View](https://discourse.slicer.org/t/slice-view-control-using-slice-projection-in-other-slice-view/19138)

<div class="topic-metadata">

**Author:** [@PCRedHot2](https://discourse.slicer.org/u/PCRedHot2)\
**Replies:** 10\
**Last updated:** [September 1, 2021, 4:14am UTC](https://discourse.slicer.org/t/slice-view-control-using-slice-projection-in-other-slice-view/19138 "2021-09-01T04:14:10Z")

</div>

Hi, I am currently trying to add some more control options for the three slice view to the application. One thing I want to accomplish is that, through the projection line of Slice A in Slice B, user could maybe drag and…

---

## [T2-values generated with T2-mapping module invalid?](https://discourse.slicer.org/t/t2-values-generated-with-t2-mapping-module-invalid/12055)

<div class="topic-metadata">

**Author:** [@KatS](https://discourse.slicer.org/u/KatS)\
**Replies:** 6\
**Last updated:** [September 1, 2021, 4:00am UTC](https://discourse.slicer.org/t/t2-values-generated-with-t2-mapping-module-invalid/12055 "2021-09-01T04:00:04Z")

</div>

Dear Slicer community, I came across a problem when using the T2 mapping extension for mouse brain data acquired on a 9.4T Bruker scanner (MSME sequence with 30 echo times). I loaded Bruker DICOM files via the MultiVol…

---

## [Mesh Statistics Extension](https://discourse.slicer.org/t/mesh-statistics-extension/19431)

<div class="topic-metadata">

**Author:** [@Giorgio85](https://discourse.slicer.org/u/Giorgio85)\
**Replies:** 1\
**Last updated:** [September 1, 2021, 3:39am UTC](https://discourse.slicer.org/t/mesh-statistics-extension/19431 "2021-09-01T03:39:07Z")

</div>

Having problem with mesh statistics extension. Unable to install it. Searching in the model list it appears that the “module is not loaded”. I’m using Slicer version 4.13 Thanks for all of you that can give me some he…

---

## [How volume rendering erase or hide some small objects?](https://discourse.slicer.org/t/how-volume-rendering-erase-or-hide-some-small-objects/19427)

<div class="topic-metadata">

**Author:** [@StephenLeePeng](https://discourse.slicer.org/u/StephenLeePeng)\
**Replies:** 1\
**Last updated:** [September 1, 2021, 3:07am UTC](https://discourse.slicer.org/t/how-volume-rendering-erase-or-hide-some-small-objects/19427 "2021-09-01T03:07:46Z")

</div>

When I load a CT-Chest volume with a lung nodule inside, I want to crop a region contain the lung nodule, and rendering volume to display the nodule and the vessel arround the nodule. The problem is, when I adjust shift…

---

## [Opening file consumes large amount of memory](https://discourse.slicer.org/t/opening-file-consumes-large-amount-of-memory/19412)

<div class="topic-metadata">

**Author:** [@hourglassnam](https://discourse.slicer.org/u/hourglassnam)\
**Replies:** 11\
**Last updated:** [August 31, 2021, 9:12pm UTC](https://discourse.slicer.org/t/opening-file-consumes-large-amount-of-memory/19412 "2021-08-31T21:12:51Z")

</div>

Hello, I am so sorry for continuously asking similar questions, but I can’t get my head around this. I am still suffering from a bad allocation problem. This time, not during any process but just opening the file use …

---

## [Segmentation Comparison via alignment and deformation](https://discourse.slicer.org/t/segmentation-comparison-via-alignment-and-deformation/16642)

<div class="topic-metadata">

**Author:** [@reddington.15](https://discourse.slicer.org/u/reddington.15)\
**Replies:** 7\
**Last updated:** [August 31, 2021, 7:25pm UTC](https://discourse.slicer.org/t/segmentation-comparison-via-alignment-and-deformation/16642 "2021-08-31T19:25:40Z")

</div>

Hi, I have been working on segmenting the pelvis from a pre-CT scan and then a post CT scan with a fracture. I have both of the segmentations in the same window in Slicer and I have been able to transform the pre-CT on …

---

## [Gantry tilt correction in CT DICOMS](https://discourse.slicer.org/t/gantry-tilt-correction-in-ct-dicoms/19443)

<div class="topic-metadata">

**Author:** [@Sharada](https://discourse.slicer.org/u/Sharada)\
**Replies:** 3\
**Last updated:** [August 31, 2021, 7:09pm UTC](https://discourse.slicer.org/t/gantry-tilt-correction-in-ct-dicoms/19443 "2021-08-31T19:09:18Z")

</div>

Hello, I am working on gantry tilt correction for CT images and was directed to 3D Slicer through Steve Pieper’s comment here. And I have run into the following issues - According to the documentation, there should b…

---

## [Read NRRD detached headers that omit blank line](https://discourse.slicer.org/t/read-nrrd-detached-headers-that-omit-blank-line/19393)

<div class="topic-metadata">

**Author:** [@Chris\_Rorden](https://discourse.slicer.org/u/Chris_Rorden)\
**Replies:** 1\
**Last updated:** [August 31, 2021, 7:07pm UTC](https://discourse.slicer.org/t/read-nrrd-detached-headers-that-omit-blank-line/19393 "2021-08-31T19:07:34Z")

</div>

I have a feature request to allow Slicer to detect NRRD detached headers where the user omits the trailing blank line. Tested on Slicer 4.13.0-2021-08-24 r30133 / 5af0a09 The NRRD format specification clearly states Aft…

---

## [hounsfields units for axial slices of proximal humerus](https://discourse.slicer.org/t/hounsfields-units-for-axial-slices-of-proximal-humerus/19435)

<div class="topic-metadata">

**Author:** [@alaynavaugan](https://discourse.slicer.org/u/alaynavaugan)\
**Replies:** 1\
**Last updated:** [August 31, 2021, 7:03pm UTC](https://discourse.slicer.org/t/hounsfields-units-for-axial-slices-of-proximal-humerus/19435 "2021-08-31T19:03:36Z")

</div>

Operating system: Slicer version: Expected behavior: Actual behavior: I am trying to figure out the hounsfield units for 3 separate slices of axial images of proximal humerus. I used the segementation editor to creat…

---

## [Is there a way to call 3D Slicer libraries without running the 3D Slicer program?](https://discourse.slicer.org/t/is-there-a-way-to-call-3d-slicer-libraries-without-running-the-3d-slicer-program/19444)

<div class="topic-metadata">

**Author:** [@nathangator](https://discourse.slicer.org/u/nathangator)\
**Replies:** 1\
**Last updated:** [August 31, 2021, 6:51pm UTC](https://discourse.slicer.org/t/is-there-a-way-to-call-3d-slicer-libraries-without-running-the-3d-slicer-program/19444 "2021-08-31T18:51:07Z")

</div>

Operating system: Windows 10 Slicer version: 4.11.20210226 I want to use 3D splicer libraries for a full-body mesh. Nothing more, and not complex. I want to call the 3Dsplicer libraries without opening the program. It …

---

## [Segmentation opacity](https://discourse.slicer.org/t/segmentation-opacity/19436)

<div class="topic-metadata">

**Author:** [@alyssan](https://discourse.slicer.org/u/alyssan)\
**Replies:** 1\
**Last updated:** [August 31, 2021, 3:40pm UTC](https://discourse.slicer.org/t/segmentation-opacity/19436 "2021-08-31T15:40:21Z")

</div>

Hello, I would like to make one of my segments completely opaque and the other not. Is this possible? I have tried doing this in the segmentations module but it always changes both at the same time. Thank you

---

## [Problems importing RTStructs](https://discourse.slicer.org/t/problems-importing-rtstructs/6866)

<div class="topic-metadata">

**Author:** [@Alex\_Vergara](https://discourse.slicer.org/u/Alex_Vergara)\
**Replies:** 18\
**Last updated:** [August 31, 2021, 9:01am UTC](https://discourse.slicer.org/t/problems-importing-rtstructs/6866 "2021-08-31T09:01:51Z")

</div>

I have a serious problem while loading rtstructs. They are displayed correctly while loading as planar contours. So far so good: But when I want to use the binary labelmap they are completely destroyed. The s…

---

## [Failing loading scalar volume warning it was given as seen at the hospital](https://discourse.slicer.org/t/failing-loading-scalar-volume-warning-it-was-given-as-seen-at-the-hospital/19405)

<div class="topic-metadata">

**Author:** [@yndpr](https://discourse.slicer.org/u/yndpr)\
**Replies:** 3\
**Last updated:** [August 31, 2021, 10:30am UTC](https://discourse.slicer.org/t/failing-loading-scalar-volume-warning-it-was-given-as-seen-at-the-hospital/19405 "2021-08-31T10:30:23Z")

</div>

the first one survey is a mix of a few slides {herniated disc c5 c6, …on my 30s… would love to get a 3d model… low res few images sadly…) the radiologist said i moved— most expensive slight breathing move ever the…

---

## [INHS module: unable to import image from table. ](https://discourse.slicer.org/t/inhs-module-unable-to-import-image-from-table/19421)

<div class="topic-metadata">

**Author:** [@megbalk](https://discourse.slicer.org/u/megbalk)\
**Replies:** 1\
**Last updated:** [August 31, 2021, 4:21am UTC](https://discourse.slicer.org/t/inhs-module-unable-to-import-image-from-table/19421 "2021-08-31T04:21:35Z")

</div>

Sorry if this is the wrong forum to ask for advice, but I recently installed slicer on my arch build and installed 3dSlicer. I’m trying to load an image in slicer morph from a table that has a URL. The URL resolves outsi…

---

## [Any way to control depth of scissor cut?](https://discourse.slicer.org/t/any-way-to-control-depth-of-scissor-cut/19415)

<div class="topic-metadata">

**Author:** [@akshay\_pillai](https://discourse.slicer.org/u/akshay_pillai)\
**Replies:** 4\
**Last updated:** [August 30, 2021, 11:52pm UTC](https://discourse.slicer.org/t/any-way-to-control-depth-of-scissor-cut/19415 "2021-08-30T23:52:58Z")

</div>

Is there any way to control the depth of the cut with scissors in segment editor in 3d programmatically or even using existing functions? Please let me know.

---

## [Curvature and Torsion from VMTK](https://discourse.slicer.org/t/curvature-and-torsion-from-vmtk/19417)

<div class="topic-metadata">

**Author:** [@Ge\_Tang](https://discourse.slicer.org/u/Ge_Tang)\
**Replies:** 0\
**Last updated:** [August 30, 2021, 9:07pm UTC](https://discourse.slicer.org/t/curvature-and-torsion-from-vmtk/19417 "2021-08-30T21:07:14Z")

</div>

Hi, I have problems reading the code from the VMTK source code. I am not sure if the curvature, torsion from the centerline property are calculated by averaging (SlicerExtension-VMTK/ExtractCenterline.py at e01c4fea8e6…

---

## [How to erase all segments with eraser?](https://discourse.slicer.org/t/how-to-erase-all-segments-with-eraser/19414)

<div class="topic-metadata">

**Author:** [@akshay\_pillai](https://discourse.slicer.org/u/akshay_pillai)\
**Replies:** 4\
**Last updated:** [August 30, 2021, 3:31pm UTC](https://discourse.slicer.org/t/how-to-erase-all-segments-with-eraser/19414 "2021-08-30T15:31:05Z")

</div>

I want to erase a certain segment in my segmentations using erase in the segment editor. But I also want the erase to remove the surrounding segments if it is in the area of what I want to remove. Sort of like the “Apply…

---

## [Segment editor on large template](https://discourse.slicer.org/t/segment-editor-on-large-template/19364)

<div class="topic-metadata">

**Author:** [@Ge\_Tang](https://discourse.slicer.org/u/Ge_Tang)\
**Replies:** 4\
**Last updated:** [August 30, 2021, 1:37pm UTC](https://discourse.slicer.org/t/segment-editor-on-large-template/19364 "2021-08-30T13:37:57Z")

</div>

Hello, I have problems with running 3D slicer “segment editor” module on a huge template (around 5GB). Each time I select the segment editor, the computer power went off immediately. My computer has 128 GB RAM, I don’t …

---

## [Export Hounsfield Unit values as a table from each segmentation](https://discourse.slicer.org/t/export-hounsfield-unit-values-as-a-table-from-each-segmentation/18296)

<div class="topic-metadata">

**Author:** [@Somayeh](https://discourse.slicer.org/u/Somayeh)\
**Replies:** 14\
**Last updated:** [July 2, 2021, 10:23am UTC](https://discourse.slicer.org/t/export-hounsfield-unit-values-as-a-table-from-each-segmentation/18296 "2021-07-02T10:23:30Z")

</div>

Hi everyone, I am a beginner at using 3D Slicer. Before that, I used to work with Mimics. I was wondering is it possible to extract/export the whole set of Hounsfield Unit values from a segmentation performed via thresh…

---

## [Elastix registration-Jupyter](https://discourse.slicer.org/t/elastix-registration-jupyter/19345)

<div class="topic-metadata">

**Author:** [@gevindug](https://discourse.slicer.org/u/gevindug)\
**Replies:** 6\
**Last updated:** [August 29, 2021, 2:29pm UTC](https://discourse.slicer.org/t/elastix-registration-jupyter/19345 "2021-08-29T14:29:55Z")

</div>

Operating system: Windows 10 Slicer version: 4.11 Elastix registration is not working with the ‘generic rigid’ parameter file. can anyone help me to solve this issue? Actually, I wants to perform the wrist registration…

---

## [How to assign a color to the imported stl model randomly ？](https://discourse.slicer.org/t/how-to-assign-a-color-to-the-imported-stl-model-randomly/19387)

<div class="topic-metadata">

**Author:** [@slicer365](https://discourse.slicer.org/u/slicer365)\
**Replies:** 3\
**Last updated:** [August 27, 2021, 11:36pm UTC](https://discourse.slicer.org/t/how-to-assign-a-color-to-the-imported-stl-model-randomly/19387 "2021-08-27T23:36:45Z")

</div>

When I import a 3D model into Slicer, it will be assigned yellow by default. When I import many models, all the models are yellow and need to be manually adjusted to different colors one by one. Is there a way to make…

---

## [Export MRI analysis to DICOM](https://discourse.slicer.org/t/export-mri-analysis-to-dicom/19371)

<div class="topic-metadata">

**Author:** [@SogolSadeghi](https://discourse.slicer.org/u/SogolSadeghi)\
**Replies:** 3\
**Last updated:** [August 27, 2021, 10:19pm UTC](https://discourse.slicer.org/t/export-mri-analysis-to-dicom/19371 "2021-08-27T22:19:37Z")

</div>

Operating system:windows, x64 Slicer version:latest stable version Expected behavior: export MRI analysis map in colorful images Actual behavior: export MRI analysis map in gray scale Hi slicer, using slicer, I conv…

---

## [Tooth measurement with SLICER](https://discourse.slicer.org/t/tooth-measurement-with-slicer/19389)

<div class="topic-metadata">

**Author:** [@Furqan\_Jamal](https://discourse.slicer.org/u/Furqan_Jamal)\
**Replies:** 1\
**Last updated:** [August 27, 2021, 7:08pm UTC](https://discourse.slicer.org/t/tooth-measurement-with-slicer/19389 "2021-08-27T19:08:07Z")

</div>

Hi everyone, I am a dentist by profession and an orthodontist in making. I am doing a project where we are aiming to measure linear and angular tooth movement in all three planes of space by superimposing 3d scans of pr…

---

## [Automated brain segmentation into White Matter Volume, GMV, and CSF Vol?](https://discourse.slicer.org/t/automated-brain-segmentation-into-white-matter-volume-gmv-and-csf-vol/19322)

<div class="topic-metadata">

**Author:** [@J1234](https://discourse.slicer.org/u/J1234)\
**Replies:** 6\
**Last updated:** [August 27, 2021, 12:40pm UTC](https://discourse.slicer.org/t/automated-brain-segmentation-into-white-matter-volume-gmv-and-csf-vol/19322 "2021-08-27T12:40:27Z")

</div>

Does anyone know if there is an extension that facilitates whole brain segmentation into CSF, gray, and white matter? I downloaded BrainVolumeRefinement, which seemed to have this capability for Slicer 4.10, but since in…

---

## [Segment editor Smoothing and marging effects changed behavior from 4.11 to 4.13](https://discourse.slicer.org/t/segment-editor-smoothing-and-marging-effects-changed-behavior-from-4-11-to-4-13/19382)

<div class="topic-metadata">

**Author:** [@caioath](https://discourse.slicer.org/u/caioath)\
**Replies:** 0\
**Last updated:** [August 27, 2021, 2:26am UTC](https://discourse.slicer.org/t/segment-editor-smoothing-and-marging-effects-changed-behavior-from-4-11-to-4-13/19382 "2021-08-27T02:26:39Z")

</div>

Hi all 4.11 Running smoothing effect using a certain intensity range, it would get rid of every labeled voxel that was outside of the editable intensity range. Margin effect would remove every labeled voxel outside of…

---

## [Transferring MRI label mask to CT segmentation](https://discourse.slicer.org/t/transferring-mri-label-mask-to-ct-segmentation/19370)

<div class="topic-metadata">

**Author:** [@SogolSadeghi](https://discourse.slicer.org/u/SogolSadeghi)\
**Replies:** 1\
**Last updated:** [August 27, 2021, 2:04am UTC](https://discourse.slicer.org/t/transferring-mri-label-mask-to-ct-segmentation/19370 "2021-08-27T02:04:36Z")

</div>

Operating system:Windows, x64 Slicer version: latest stable version Hi slicer, I have a CT segmentation with CT as a master volume also I have MRI segmentation with MR images as a master volume. How can I move label …

---

## [No openGL support on Nvidia A100 in multiuser mode](https://discourse.slicer.org/t/no-opengl-support-on-nvidia-a100-in-multiuser-mode/19373)

<div class="topic-metadata">

**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 2\
**Last updated:** [August 26, 2021, 7:43pm UTC](https://discourse.slicer.org/t/no-opengl-support-on-nvidia-a100-in-multiuser-mode/19373 "2021-08-26T19:43:42Z")

</div>

We have been using Slicer as an interactive cloud application on VM hosted at JetStream using Tesla V100s. Now JetStream is transitioning into JetStream2 with A100s, an interesting limitation of the platform came up. Acc…

---

## [How to use the new version of TensorFlow optimized for Apple Silicon M1 on Slicer](https://discourse.slicer.org/t/how-to-use-the-new-version-of-tensorflow-optimized-for-apple-silicon-m1-on-slicer/19368)

<div class="topic-metadata">

**Author:** [@Robb](https://discourse.slicer.org/u/Robb)\
**Replies:** 1\
**Last updated:** [August 26, 2021, 3:30pm UTC](https://discourse.slicer.org/t/how-to-use-the-new-version-of-tensorflow-optimized-for-apple-silicon-m1-on-slicer/19368 "2021-08-26T15:30:12Z")

</div>

Now I have a Macbook Pro with Apple M1, and Operating System is MacOS Big Sur. I found that if I want to use TensorFlow on this Macbook Pro, I need a new version of TensorFlow specifically optimized for the M1 chip, and …

---

## [How to make a tumor model in a 3D CT data?](https://discourse.slicer.org/t/how-to-make-a-tumor-model-in-a-3d-ct-data/19309)

<div class="topic-metadata">

**Author:** [@slicexray](https://discourse.slicer.org/u/slicexray)\
**Replies:** 4\
**Last updated:** [August 26, 2021, 3:19pm UTC](https://discourse.slicer.org/t/how-to-make-a-tumor-model-in-a-3d-ct-data/19309 "2021-08-26T15:19:14Z")

</div>

Hi, I am trying a CT imaging simulation project. And I want to use 3Dslicer to build up a tumor model. The conception is inserting a small ball as the tumor model into the current brain model. And export it as a voxelize…

---

## [3D slicer is keep crashing even though there is enough memory](https://discourse.slicer.org/t/3d-slicer-is-keep-crashing-even-though-there-is-enough-memory/19181)

<div class="topic-metadata">

**Author:** [@hourglassnam](https://discourse.slicer.org/u/hourglassnam)\
**Replies:** 8\
**Last updated:** [August 26, 2021, 9:46am UTC](https://discourse.slicer.org/t/3d-slicer-is-keep-crashing-even-though-there-is-enough-memory/19181 "2021-08-26T09:46:50Z")

</div>

Hello, My computer has been keep crashing while using the 3D slicer program. During segmentation process, the program suddenly stops then my laptop turns off. I could not figure out why until I got this error message …

[Previous page](https://discourse.slicer.org/c/support/11.md?page=262)

[Next page](https://discourse.slicer.org/c/support/11.md?page=264)
