# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=256

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

**Page:** 257

---

## [How to use slicer rt with sample data ](https://discourse.slicer.org/t/how-to-use-slicer-rt-with-sample-data/20060)

<div class="topic-metadata">

**Author:** [@Zaiba\_Amla](https://discourse.slicer.org/u/Zaiba_Amla)\
**Replies:** 0\
**Last updated:** [October 7, 2021, 8:04pm UTC](https://discourse.slicer.org/t/how-to-use-slicer-rt-with-sample-data/20060 "2021-10-07T20:04:56Z")

</div>

How do I test out the slicer RT- extension with the sample data given in the 3D slicer? I have tried to follow the slides on the slicer rt’s website but can’t seem to find the same functions when following the tutorial. …

---

## [Surface smoothing and exporting model](https://discourse.slicer.org/t/surface-smoothing-and-exporting-model/1144)

<div class="topic-metadata">

**Author:** [@hherhold](https://discourse.slicer.org/u/hherhold)\
**Replies:** 7\
**Last updated:** [October 7, 2021, 2:58pm UTC](https://discourse.slicer.org/t/surface-smoothing-and-exporting-model/1144 "2021-10-07T14:58:07Z")

</div>

Quick (hopefully quick, anyway) question - When you export a model from a segmentation, does it use the surface smoothing parameter from the “Show 3D” option in the Segment Editor? I think this might have been discussed…

---

## [Option to disable smoothing of the segment surfaces in Segment Editor](https://discourse.slicer.org/t/option-to-disable-smoothing-of-the-segment-surfaces-in-segment-editor/883)

<div class="topic-metadata">

**Author:** [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Replies:** 15\
**Last updated:** [November 12, 2018, 6:05pm UTC](https://discourse.slicer.org/t/option-to-disable-smoothing-of-the-segment-surfaces-in-segment-editor/883 "2018-11-12T18:05:21Z")

</div>

I think it might be helpful to add an option to Segment Editor to disable smoothing of the surface when generating it from the label map representation. When regions are small, smoothing can lead to significant under-est…

---

## [Making joint smoothing faster](https://discourse.slicer.org/t/making-joint-smoothing-faster/20053)

<div class="topic-metadata">

**Author:** [@apparrilla](https://discourse.slicer.org/u/apparrilla)\
**Replies:** 1\
**Last updated:** [October 7, 2021, 1:48pm UTC](https://discourse.slicer.org/t/making-joint-smoothing-faster/20053 "2021-10-07T13:48:41Z")

</div>

Hi everyone! Is there any way to improve joint smoothing ejecution times? It´s a very time consuming process but it´s the less destructive method for smoothing. Thanks in advance!!

---

## [Joint smoothing in jupyter](https://discourse.slicer.org/t/joint-smoothing-in-jupyter/19875)

<div class="topic-metadata">

**Author:** [@Tekk\_ya](https://discourse.slicer.org/u/Tekk_ya)\
**Replies:** 2\
**Last updated:** [September 28, 2021, 10:52am UTC](https://discourse.slicer.org/t/joint-smoothing-in-jupyter/19875 "2021-09-28T10:52:31Z")

</div>

Hi, I want to read two files, one as a volume and another as a segmentation. The segmentation file is the label map including different segments. I am interested in applying a “joint smoothing” on the adjacent segments.…

---

## [How to find the largest area of a 3d structure](https://discourse.slicer.org/t/how-to-find-the-largest-area-of-a-3d-structure/20050)

<div class="topic-metadata">

**Author:** [@hourglassnam](https://discourse.slicer.org/u/hourglassnam)\
**Replies:** 1\
**Last updated:** [October 7, 2021, 1:29pm UTC](https://discourse.slicer.org/t/how-to-find-the-largest-area-of-a-3d-structure/20050 "2021-10-07T13:29:33Z")

</div>

Hello! I wanted to know if there is any way to find a cross-section image with the largest length or area of a 3d structure, regardless of the orientation. I know I can get cross-section areas of segments and find the …

---

## [Make double-click in Data module jump to associated module](https://discourse.slicer.org/t/make-double-click-in-data-module-jump-to-associated-module/20034)

<div class="topic-metadata">

**Author:** [@joachim](https://discourse.slicer.org/u/joachim)\
**Replies:** 21\
**Last updated:** [October 7, 2021, 1:06pm UTC](https://discourse.slicer.org/t/make-double-click-in-data-module-jump-to-associated-module/20034 "2021-10-07T13:06:39Z")

</div>

Every node in the Data view window (often?) has a custom module associated, accessible by right clicking the item and selecting Edit properties…. Would it be a good idea to let double clicking an item jump to its associ…

---

## [How to improve OptiTrack Duo tool tracking stability](https://discourse.slicer.org/t/how-to-improve-optitrack-duo-tool-tracking-stability/19882)

<div class="topic-metadata">

**Author:** [@drvarunagarwal](https://discourse.slicer.org/u/drvarunagarwal)\
**Replies:** 7\
**Last updated:** [October 7, 2021, 9:40am UTC](https://discourse.slicer.org/t/how-to-improve-optitrack-duo-tool-tracking-stability/19882 "2021-10-07T09:40:33Z")

</div>

Hello everyone, we are also facing some problems but slightly different. We are using optitrack duo, Which are tracking commercial instruments from medtronic (which I had lying spare so used these) As you c…

---

## [How to save and read annotation information for 2D images](https://discourse.slicer.org/t/how-to-save-and-read-annotation-information-for-2d-images/19843)

<div class="topic-metadata">

**Author:** [@slicer\_user](https://discourse.slicer.org/u/slicer_user)\
**Replies:** 7\
**Last updated:** [October 7, 2021, 7:03am UTC](https://discourse.slicer.org/t/how-to-save-and-read-annotation-information-for-2d-images/19843 "2021-10-07T07:03:34Z")

</div>

I currently want to use 3D slicer to annotate 2D images. I have tried to convert the labeled results to binary labelmap and save them in dicom format. In this saving method, I can use python to read the labels correctly …

---

## [Cardiac MRI loading erros](https://discourse.slicer.org/t/cardiac-mri-loading-erros/19926)

<div class="topic-metadata">

**Author:** [@xiaolin](https://discourse.slicer.org/u/xiaolin)\
**Replies:** 6\
**Last updated:** [October 7, 2021, 4:38am UTC](https://discourse.slicer.org/t/cardiac-mri-loading-erros/19926 "2021-10-07T04:38:39Z")

</div>

Operating system: Win 10 Slicer version:4.13 Hi everyone, I am trying to load cardiac MRI (sheep) to slicer, but when I finished the loading, it always showed as the figure. The MRI is a DICOM file with a time frame t…

---

## [unable to install MONAI Label plugin from Slicer Extension Manager](https://discourse.slicer.org/t/unable-to-install-monai-label-plugin-from-slicer-extension-manager/19996)

<div class="topic-metadata">

**Author:** [@poonam1](https://discourse.slicer.org/u/poonam1)\
**Replies:** 7\
**Last updated:** [October 6, 2021, 4:06pm UTC](https://discourse.slicer.org/t/unable-to-install-monai-label-plugin-from-slicer-extension-manager/19996 "2021-10-06T16:06:06Z")

</div>

Operating system: Windows 10 Slicer version: 4.11.20210226 r29738 / 7a593c8 Expected behavior: to install plugin View → Extension Manager → Active Learning → MONAI Label Actual behavior: but In extension manager Activ…

---

## [I don't see Welcome to Slicer module](https://discourse.slicer.org/t/i-dont-see-welcome-to-slicer-module/3758)

<div class="topic-metadata">

**Author:** [@kadohisa](https://discourse.slicer.org/u/kadohisa)\
**Replies:** 12\
**Last updated:** [October 6, 2021, 12:27pm UTC](https://discourse.slicer.org/t/i-dont-see-welcome-to-slicer-module/3758 "2021-10-06T12:27:07Z")

</div>

Problem report for Slicer 4.9.0-2018-08-10 win-amd64: \[please describe expected and actual behavior\] Dear Sir/Madam, I downloaded version 4.8.1 for Windows onto my computer yesterday, then I saw one of modules, Welcome…

---

## [Visual intensity mask with mouse gesture controls](https://discourse.slicer.org/t/visual-intensity-mask-with-mouse-gesture-controls/19983)

<div class="topic-metadata">

**Author:** [@joachim](https://discourse.slicer.org/u/joachim)\
**Replies:** 5\
**Last updated:** [October 6, 2021, 12:26pm UTC](https://discourse.slicer.org/t/visual-intensity-mask-with-mouse-gesture-controls/19983 "2021-10-06T12:26:12Z")

</div>

The intensity mask can be a useful feature when doing manual segmentation, especially for the Draw and Erase tool: But in practice it is cumbersome: I have to look at values in Data probe and use this as a setting. I …

---

## [Tool to create or remove surface](https://discourse.slicer.org/t/tool-to-create-or-remove-surface/20032)

<div class="topic-metadata">

**Author:** [@Felipe\_Pinzon](https://discourse.slicer.org/u/Felipe_Pinzon)\
**Replies:** 1\
**Last updated:** [October 6, 2021, 5:51am UTC](https://discourse.slicer.org/t/tool-to-create-or-remove-surface/20032 "2021-10-06T05:51:24Z")

</div>

Slicer version:4.11.20210226 Good evening, I am carrying out a project where the deformation of the periodontal ligament is studied when doing a rapid expansion of the maxilla. For this I need to perform the reconstruct…

---

## [SlicerElastix extension installed but the module is not visible anywhere](https://discourse.slicer.org/t/slicerelastix-extension-installed-but-the-module-is-not-visible-anywhere/20026)

<div class="topic-metadata">

**Author:** [@Roman](https://discourse.slicer.org/u/Roman)\
**Replies:** 11\
**Last updated:** [October 5, 2021, 10:07pm UTC](https://discourse.slicer.org/t/slicerelastix-extension-installed-but-the-module-is-not-visible-anywhere/20026 "2021-10-05T22:07:30Z")

</div>

Operating system: Win10 Slicer version: 4.11.20210226 r29738 / 7a593c8 Installed SlicerElastix extension - shows up in the Extensions Manager. Expected behavior: I expect to see module “General Registration (Elastix)”…

---

## [Curved planar reformat creates empty volume?](https://discourse.slicer.org/t/curved-planar-reformat-creates-empty-volume/20001)

<div class="topic-metadata">

**Author:** [@rsulser](https://discourse.slicer.org/u/rsulser)\
**Replies:** 3\
**Last updated:** [October 5, 2021, 8:28pm UTC](https://discourse.slicer.org/t/curved-planar-reformat-creates-empty-volume/20001 "2021-10-05T20:28:41Z")

</div>

Operating system: Windows 10 (20H2) Slicer version: 4.11.20210226 Expected behavior: Curved planar reformat creates reformatted volume file Actual behavior: Volume file created but appears to be empty (with no density…

---

## [Problem with Thresholding ](https://discourse.slicer.org/t/problem-with-thresholding/20020)

<div class="topic-metadata">

**Author:** [@Elie\_Massaad](https://discourse.slicer.org/u/Elie_Massaad)\
**Replies:** 5\
**Last updated:** [October 5, 2021, 6:32pm UTC](https://discourse.slicer.org/t/problem-with-thresholding/20020 "2021-10-05T18:32:36Z")

</div>

I am having a problem with the thresholding option. I am trying to segment the CT spine - after loading the DICOM - The threshold option gives a range of -1024 to 1024 and it is impossible to change the range. I was wo…

---

## [Random number generator and reproducibility issues](https://discourse.slicer.org/t/random-number-generator-and-reproducibility-issues/20009)

<div class="topic-metadata">

**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 4\
**Last updated:** [October 5, 2021, 6:01pm UTC](https://discourse.slicer.org/t/random-number-generator-and-reproducibility-issues/20009 "2021-10-05T18:01:02Z")

</div>

We running into an issue where, when we run the same dataset couple times back to back, we get slightly different results. These are subtle differences, but when combined, they are enough to create extra variation and im…

---

## [Slicer won't start](https://discourse.slicer.org/t/slicer-wont-start/20017)

<div class="topic-metadata">

**Author:** [@Nayra\_Pumar](https://discourse.slicer.org/u/Nayra_Pumar)\
**Replies:** 3\
**Last updated:** [October 5, 2021, 5:33pm UTC](https://discourse.slicer.org/t/slicer-wont-start/20017 "2021-10-05T17:33:17Z")

</div>

Happened to me before and solved with a windows reinstall (something I’d like to avoid right now). There are no log files and no Windows event log entry. When I start Slicer nothing happens. But if I log in with a diffe…

---

## [Recommended Segmentation Strategy from Aorta to Upper Brain Arteries](https://discourse.slicer.org/t/recommended-segmentation-strategy-from-aorta-to-upper-brain-arteries/20019)

<div class="topic-metadata">

**Author:** [@riro3277](https://discourse.slicer.org/u/riro3277)\
**Replies:** 1\
**Last updated:** [October 5, 2021, 4:10pm UTC](https://discourse.slicer.org/t/recommended-segmentation-strategy-from-aorta-to-upper-brain-arteries/20019 "2021-10-05T16:10:34Z")

</div>

I am trying to create an artery segmentation from the aorta curve to upper brain but am having great trouble filtering away skull and bones without losing upper brain arteries. I have looked at many different methods but…

---

## [Python Planar Contours to Closed Surface](https://discourse.slicer.org/t/python-planar-contours-to-closed-surface/20023)

<div class="topic-metadata">

**Author:** [@darcymason](https://discourse.slicer.org/u/darcymason)\
**Replies:** 3\
**Last updated:** [October 5, 2021, 3:00pm UTC](https://discourse.slicer.org/t/python-planar-contours-to-closed-surface/20023 "2021-10-05T15:00:17Z")

</div>

Operating system: Win10 Slicer version: 4.11 Hi, I’m looking to convert RTSTRUCT contours to STL files in a Python script. If there is a simple robust path someone can point to, then great, otherwise what I have seen …

---

## [Displaying 3D volumes on TV](https://discourse.slicer.org/t/displaying-3d-volumes-on-tv/19943)

<div class="topic-metadata">

**Author:** [@justdcinaus](https://discourse.slicer.org/u/justdcinaus)\
**Replies:** 3\
**Last updated:** [October 5, 2021, 12:30pm UTC](https://discourse.slicer.org/t/displaying-3d-volumes-on-tv/19943 "2021-10-05T12:30:38Z")

</div>

Good (appropriate timezone greeting) to you all. I am going to do a short one hour presentation to a team at a local hospital on 3D volume from CT studies using DICOM files and our Oculus Rift as a viewing tool. This h…

---

## [Population Analysis PCA Process and Export](https://discourse.slicer.org/t/population-analysis-pca-process-and-export/20006)

<div class="topic-metadata">

**Author:** [@mhertz](https://discourse.slicer.org/u/mhertz)\
**Replies:** 3\
**Last updated:** [October 4, 2021, 11:20pm UTC](https://discourse.slicer.org/t/population-analysis-pca-process-and-export/20006 "2021-10-04T23:20:07Z")

</div>

Hello everyone, I have been having some trouble using the Population Analysis function in SlicerSALT. I have been following this tutorial, but am stuck at Step 3, generating the PCA model. I’ve uploaded the VTK files and…

---

## [Error in loading CT scan data into 3D slicer](https://discourse.slicer.org/t/error-in-loading-ct-scan-data-into-3d-slicer/19993)

<div class="topic-metadata">

**Author:** [@Sliceeeeee](https://discourse.slicer.org/u/Sliceeeeee)\
**Replies:** 1\
**Last updated:** [October 4, 2021, 4:43pm UTC](https://discourse.slicer.org/t/error-in-loading-ct-scan-data-into-3d-slicer/19993 "2021-10-04T16:43:23Z")

</div>

When I am loading data into 3d slicer , I am getting error as DIRFILE-loadfailed.Please help me in this regard… Thanks

---

## [Compute intersection of lines](https://discourse.slicer.org/t/compute-intersection-of-lines/19989)

<div class="topic-metadata">

**Author:** [@jumbojing](https://discourse.slicer.org/u/jumbojing)\
**Replies:** 1\
**Last updated:** [October 4, 2021, 4:18pm UTC](https://discourse.slicer.org/t/compute-intersection-of-lines/19989 "2021-10-04T16:18:47Z")

</div>

---

## [Anyone know how can i export a 3D volumen from Mindray M6 ultrasound in DICOM format to use in Slicer?](https://discourse.slicer.org/t/anyone-know-how-can-i-export-a-3d-volumen-from-mindray-m6-ultrasound-in-dicom-format-to-use-in-slicer/19992)

<div class="topic-metadata">

**Author:** [@Andres\_Carbonell](https://discourse.slicer.org/u/Andres_Carbonell)\
**Replies:** 2\
**Last updated:** [October 4, 2021, 2:50pm UTC](https://discourse.slicer.org/t/anyone-know-how-can-i-export-a-3d-volumen-from-mindray-m6-ultrasound-in-dicom-format-to-use-in-slicer/19992 "2021-10-04T14:50:48Z")

</div>

Anyone know how can i export a 3D volumen from Mindray M6 ultrasound in DICOM format to use in 3DSlicer?

---

## [Web based viewer](https://discourse.slicer.org/t/web-based-viewer/5010)

<div class="topic-metadata">

**Author:** [@kayarre](https://discourse.slicer.org/u/kayarre)\
**Replies:** 2\
**Last updated:** [December 8, 2018, 1:44pm UTC](https://discourse.slicer.org/t/web-based-viewer/5010 "2018-12-08T13:44:05Z")

</div>

Hi I really think Slicer is great and use it a ton, it continues to get better and better. I work with clinicians (often remotely) and as I am not a clinician I would like to provide them a way to review a segmentation…

---

## [Logo area cannot be reclaimed](https://discourse.slicer.org/t/logo-area-cannot-be-reclaimed/19974)

<div class="topic-metadata">

**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 11\
**Last updated:** [October 4, 2021, 11:08am UTC](https://discourse.slicer.org/t/logo-area-cannot-be-reclaimed/19974 "2021-10-04T11:08:23Z")

</div>

We generally hide the slicer logo in the module panel to increase usable vertical space using the example int he script repo. In the new preview version, logo is hidden, but the space is not reclaimed. Preview version …

---

## [Editing of segmentation on slices of arbitrary orientation](https://discourse.slicer.org/t/editing-of-segmentation-on-slices-of-arbitrary-orientation/19977)

<div class="topic-metadata">

**Author:** [@sronen71](https://discourse.slicer.org/u/sronen71)\
**Replies:** 2\
**Last updated:** [October 3, 2021, 8:49pm UTC](https://discourse.slicer.org/t/editing-of-segmentation-on-slices-of-arbitrary-orientation/19977 "2021-10-03T20:49:58Z")

</div>

Hi, Segment Editor allows editing of segmentation on slices of arbitrary orientation - according to Overview | 3D Slicer segmentation recipes. The above recipe describes a potential issue of stripe artifacts, and offe…

---

## [Fill Slice Views without Changing Image Spacing](https://discourse.slicer.org/t/fill-slice-views-without-changing-image-spacing/8382)

<div class="topic-metadata">

**Author:** [@Jonathan\_Lesage](https://discourse.slicer.org/u/Jonathan_Lesage)\
**Replies:** 18\
**Last updated:** [October 2, 2021, 2:16pm UTC](https://discourse.slicer.org/t/fill-slice-views-without-changing-image-spacing/8382 "2021-10-02T14:16:46Z")

</div>

Hi, I am using slicer to look at nondestructive testing data where volumes are typically sampled much more sparsely in the z (axial) direction than other directions (roughly 10 to 1). Additionally, the axial dimension i…

[Previous page](https://discourse.slicer.org/c/support/11.md?page=255)

[Next page](https://discourse.slicer.org/c/support/11.md?page=257)