# Latest

**URL:** https://discourse.slicer.org/latest.md?page=30

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

**Page:** 31

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## [Extract Centerline computational troubleshooting](https://discourse.slicer.org/t/extract-centerline-computational-troubleshooting/45322)

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**Author:** [@Stephanie\_Baumgart](https://discourse.slicer.org/u/Stephanie_Baumgart)\
**Replies:** 1\
**Last updated:** [December 2, 2025, 5:32pm UTC](https://discourse.slicer.org/t/extract-centerline-computational-troubleshooting/45322 "2025-12-02T17:32:29Z")

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I was trying to use Extract Centerline to generate a centerline tree of what I think is a relatively simple shape (compared to what I want to input later). I’ve got 128gb RAM, 8GB NVIDIA card, 2TB SSD, and Intel i7-14700…

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## [2025.12.02 Weekly Meeting](https://discourse.slicer.org/t/2025-12-02-weekly-meeting/45304)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 1\
**Last updated:** [December 2, 2025, 3:50pm UTC](https://discourse.slicer.org/t/2025-12-02-weekly-meeting/45304 "2025-12-02T15:50:32Z")

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Tomorrow, we will be having our next weekly hangout at 11:00 AM ET until 12:00 PM ET. after the project week meetings. We will be re-using the same meeting link Anyone is welcome to join at this link: Launch Meeting - …

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## [segmenting of mouse CT 3D dataset using a mouse phantom. ](https://discourse.slicer.org/t/segmenting-of-mouse-ct-3d-dataset-using-a-mouse-phantom/45301)

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**Author:** [@Ayman\_Alshehabi](https://discourse.slicer.org/u/Ayman_Alshehabi)\
**Replies:** 1\
**Last updated:** [December 2, 2025, 9:56am UTC](https://discourse.slicer.org/t/segmenting-of-mouse-ct-3d-dataset-using-a-mouse-phantom/45301 "2025-12-02T09:56:28Z")

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Hey you guys, im trying to segment 3D CT mouse data using the phantom developed by Digimouse\_Download - Biomedical Imaging Group" . I am having the difficulty to overlap the segmented phantom that i created with the mou…

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## [PW44 Meeting Dec 2 2025](https://discourse.slicer.org/t/pw44-meeting-dec-2-2025/45303)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 0\
**Last updated:** [December 1, 2025, 9:35pm UTC](https://discourse.slicer.org/t/pw44-meeting-dec-2-2025/45303 "2025-12-01T21:35:16Z")

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Dear Project Week community, The next project week preparation meeting will be tomorrow, Tuesday Dec 2, at 10:00 AM ET. (2025-12-02T15:00:00Z (UTC)) If you are interested in discussing a possible project, please join u…

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## [New extension: Slicer-trame - Bringing 3D Slicer to the web](https://discourse.slicer.org/t/new-extension-slicer-trame-bringing-3d-slicer-to-the-web/45298)

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**Author:** [@Thibault\_Pelletier](https://discourse.slicer.org/u/Thibault_Pelletier)\
**Replies:** 0\
**Last updated:** [December 1, 2025, 9:32pm UTC](https://discourse.slicer.org/t/new-extension-slicer-trame-bringing-3d-slicer-to-the-web/45298 "2025-12-01T21:32:11Z")

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The Slicer trame extension is now available in Slicer 5.10 and allows to create modern web applications while leveraging 3D Slicer’s core functionalities. The extension is built on top of 3D Slicer python’s wrapping …

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## [Segment Statistics for dynamic (multi frame) PET](https://discourse.slicer.org/t/segment-statistics-for-dynamic-multi-frame-pet/45253)

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**Author:** [@lennart81](https://discourse.slicer.org/u/lennart81)\
**Replies:** 2\
**Last updated:** [December 1, 2025, 7:03pm UTC](https://discourse.slicer.org/t/segment-statistics-for-dynamic-multi-frame-pet/45253 "2025-12-01T19:03:56Z")

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Hi community, I am working with dynamic PET data acquired on a Siemens Quadra PET/CT (30 frames + static CT). I have loaded the data and segmented several VOIs based on the CT. My goal is to extract the mean PET intens…

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## [Configure qMRMLSubjectHierarchyTreeView?](https://discourse.slicer.org/t/configure-qmrmlsubjecthierarchytreeview/45241)

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**Author:** [@mau\_igna\_06](https://discourse.slicer.org/u/mau_igna_06)\
**Replies:** 1\
**Last updated:** [December 1, 2025, 9:42am UTC](https://discourse.slicer.org/t/configure-qmrmlsubjecthierarchytreeview/45241 "2025-12-01T09:42:43Z")

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Hi, Is it possible to hide all empty folders and markupNodes with no control points from a qMRMLSubjectHierarchyTreeView ? Thank you

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## [Nvidia GeForce setting (and relative 3d Slicer setting)](https://discourse.slicer.org/t/nvidia-geforce-setting-and-relative-3d-slicer-setting/42559)

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**Author:** [@Nicola\_Calcabrini](https://discourse.slicer.org/u/Nicola_Calcabrini)\
**Replies:** 2\
**Last updated:** [April 14, 2025, 4:41pm UTC](https://discourse.slicer.org/t/nvidia-geforce-setting-and-relative-3d-slicer-setting/42559 "2025-04-14T16:41:12Z")

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Good morning everyone, I am a young researcher and I have recently started to use 3D slicer for fossil vertebrate reconstruction. I use the following main functions: automatic and manual segmentation ISLAND extension …

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## [ALPACA subsampling](https://discourse.slicer.org/t/alpaca-subsampling/45273)

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**Author:** [@Lucy-create02](https://discourse.slicer.org/u/Lucy-create02)\
**Replies:** 1\
**Last updated:** [November 30, 2025, 6:51am UTC](https://discourse.slicer.org/t/alpaca-subsampling/45273 "2025-11-30T06:51:57Z")

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Hi Slicer Forum, I’m trying out the automatic landmarking module ALPACA/ MALPACA in 3D Slicer. When running ALPACA subsampling the max density value is capped at 2 so I can only achieve a maximum subsampling of around 3…

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## [Volume Rendering not working for MRI](https://discourse.slicer.org/t/volume-rendering-not-working-for-mri/45263)

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**Author:** [@Maleia\_Tye](https://discourse.slicer.org/u/Maleia_Tye)\
**Replies:** 3\
**Last updated:** [November 29, 2025, 8:31pm UTC](https://discourse.slicer.org/t/volume-rendering-not-working-for-mri/45263 "2025-11-29T20:31:03Z")

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As the title says, I’m not getting a 3D Volume rendering with an MRI. Preface: I’m able to get a 3D Volume view for a CT scan, this seems to only be impacting an MRI. Probably additional helpful information: My project…

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## [Can not use volume rendering for MRI data, shows only one slice](https://discourse.slicer.org/t/can-not-use-volume-rendering-for-mri-data-shows-only-one-slice/45271)

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**Author:** [@Felix\_Jannan](https://discourse.slicer.org/u/Felix_Jannan)\
**Replies:** 1\
**Last updated:** [November 29, 2025, 7:31pm UTC](https://discourse.slicer.org/t/can-not-use-volume-rendering-for-mri-data-shows-only-one-slice/45271 "2025-11-29T19:31:36Z")

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Hello, I am quite new to the topic of 3D-reconstruction and imaging but I am trying to learn it for my scientific work. I recently ran into a problem with MRI data, I usually use the program for 3D Models with CT data, …

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## [Draft-writer group and Draft category](https://discourse.slicer.org/t/draft-writer-group-and-draft-category/4612)

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**Author:** [@jcfr](https://discourse.slicer.org/u/jcfr)\
**Replies:** 1\
**Last updated:** [November 29, 2025, 2:23pm UTC](https://discourse.slicer.org/t/draft-writer-group-and-draft-category/4612 "2025-11-29T14:23:24Z")

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A new category named Draft visible only to member of the group draft-writer was created. It allows to leverage the shared draft feature of Discourse and is used to draft posts before publicly releasing them. (e.g Releas…

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## [Lung segmentation problem(Dicom file resolution)](https://discourse.slicer.org/t/lung-segmentation-problem-dicom-file-resolution/45272)

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**Author:** [@Seungho](https://discourse.slicer.org/u/Seungho)\
**Replies:** 0\
**Last updated:** [November 29, 2025, 1:37am UTC](https://discourse.slicer.org/t/lung-segmentation-problem-dicom-file-resolution/45272 "2025-11-29T01:37:29Z")

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I am trying to perform lung segmentation, but the image resolution is too low as shown in the picture. Even after pointing everywhere, the segmentation does not work. Could you please advise me on what to do? Thank you f…

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## [Trouble with the layout of the application](https://discourse.slicer.org/t/trouble-with-the-layout-of-the-application/45262)

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**Author:** [@kathw](https://discourse.slicer.org/u/kathw)\
**Replies:** 5\
**Last updated:** [November 28, 2025, 2:25pm UTC](https://discourse.slicer.org/t/trouble-with-the-layout-of-the-application/45262 "2025-11-28T14:25:00Z")

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Hi all! I just downloaded 3D Slicer on my Laptop, however the formatting is really weird. The icons and font size are huge, also whenever I open the program it is also huge and I have to scroll to reach the “full screen…

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## [3D Slicer for simulating MRI planning](https://discourse.slicer.org/t/3d-slicer-for-simulating-mri-planning/45259)

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**Author:** [@Dave](https://discourse.slicer.org/u/Dave)\
**Replies:** 1\
**Last updated:** [November 28, 2025, 1:29pm UTC](https://discourse.slicer.org/t/3d-slicer-for-simulating-mri-planning/45259 "2025-11-28T13:29:20Z")

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Hello everyone: I’m a mri teacher for technologists who would like to use this software for my lessons. I find it very useful to visualize DICOM data and navigating through organs and different planes. Could it be poss…

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## [slicerTrame module working example](https://discourse.slicer.org/t/slicertrame-module-working-example/45236)

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**Author:** [@bserrano](https://discourse.slicer.org/u/bserrano)\
**Replies:** 5\
**Last updated:** [November 28, 2025, 12:18pm UTC](https://discourse.slicer.org/t/slicertrame-module-working-example/45236 "2025-11-28T12:18:23Z")

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Hi all (particularly @finetjul, since you’ve been active on this topic), I’ve been working with 3D Slicer for a few years now. I recently discovered Trame Slicer, and I think it’s a great tool for bringing Slicer to the…

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## [The Add Data button is not working properly](https://discourse.slicer.org/t/the-add-data-button-is-not-working-properly/44557)

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**Author:** [@Victor\_Wayne](https://discourse.slicer.org/u/Victor_Wayne)\
**Replies:** 3\
**Last updated:** [November 28, 2025, 6:32am UTC](https://discourse.slicer.org/t/the-add-data-button-is-not-working-properly/44557 "2025-11-28T06:32:02Z")

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So, when I click the Add Data button, it opens the file dialog box and I am able to load MRIs perfectly. But if I close the file dialog box without loading any MRML or MRI files and then try to open it again the file dia…

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## [Applying manipulations to all volumes in a study](https://discourse.slicer.org/t/applying-manipulations-to-all-volumes-in-a-study/44479)

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**Author:** [@shai-ikko](https://discourse.slicer.org/u/shai-ikko)\
**Replies:** 3\
**Last updated:** [November 27, 2025, 2:20pm UTC](https://discourse.slicer.org/t/applying-manipulations-to-all-volumes-in-a-study/44479 "2025-11-27T14:20:45Z")

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Hi, We’ve been working on a new modality, and at least for now, we’ve been producing a set of separate volumes in each “study” (a bit like t1 and t2 in MRI). As everything is still experimental and in development, a lot…

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## [3D slicer bogs down and crashes when upscaling segmentation geometry](https://discourse.slicer.org/t/3d-slicer-bogs-down-and-crashes-when-upscaling-segmentation-geometry/45240)

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**Author:** [@msoum](https://discourse.slicer.org/u/msoum)\
**Replies:** 4\
**Last updated:** [November 26, 2025, 7:34pm UTC](https://discourse.slicer.org/t/3d-slicer-bogs-down-and-crashes-when-upscaling-segmentation-geometry/45240 "2025-11-26T19:34:07Z")

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Hi all, I’m new to 3D Slicer, I’m trying to create a high fidelity model of my own post-craniotomy skull and currently in the process of trying to eliminate “stepping” on the model by trying to use the segmentation geom…

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## [Cannot load tif files](https://discourse.slicer.org/t/cannot-load-tif-files/45216)

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**Author:** [@Busra\_Pullu1](https://discourse.slicer.org/u/Busra_Pullu1)\
**Replies:** 4\
**Last updated:** [November 26, 2025, 6:38pm UTC](https://discourse.slicer.org/t/cannot-load-tif-files/45216 "2025-11-26T18:38:50Z")

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I need to upload more than 2500 tiff files. I spent lots of time uploading them, but Slicer keeps crashing. What is the best way to do this? Btw, for some reason I have no image stacks on the modules. I added, like, add …

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## [How to Save All Modified Volume-Rendering Presets in an MRB File](https://discourse.slicer.org/t/how-to-save-all-modified-volume-rendering-presets-in-an-mrb-file/45223)

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**Author:** [@Eva\_Monclus\_Lahoya](https://discourse.slicer.org/u/Eva_Monclus_Lahoya)\
**Replies:** 3\
**Last updated:** [November 26, 2025, 4:20pm UTC](https://discourse.slicer.org/t/how-to-save-all-modified-volume-rendering-presets-in-an-mrb-file/45223 "2025-11-26T16:20:03Z")

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Operating system:Windows Slicer version:5.8.1 Hello everyone, I’m working with a CT volume dataset and experimenting with the volume-rendering presets. I’d like to apply various changes to multiple presets and save all…

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## [Create a plane through markups or control points](https://discourse.slicer.org/t/create-a-plane-through-markups-or-control-points/45238)

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**Author:** [@Catalina\_Balzo](https://discourse.slicer.org/u/Catalina_Balzo)\
**Replies:** 0\
**Last updated:** [November 26, 2025, 3:04pm UTC](https://discourse.slicer.org/t/create-a-plane-through-markups-or-control-points/45238 "2025-11-26T15:04:02Z")

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Hi, I need to create planes from points. Is that possible? If I have two points, I understand that I need a third coordinate to define a plane, so I would like to orient that plane along an X, Y, or Z direction, (for e…

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## [Specific reason for using WinMain instead of main?](https://discourse.slicer.org/t/specific-reason-for-using-winmain-instead-of-main/45235)

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**Author:** [@codeling](https://discourse.slicer.org/u/codeling)\
**Replies:** 0\
**Last updated:** [November 26, 2025, 10:56am UTC](https://discourse.slicer.org/t/specific-reason-for-using-winmain-instead-of-main/45235 "2025-11-26T10:56:02Z")

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I just discovered that Slicer is using int \_\_stdcall WinMain(…) on Windows (basically since forever, as far as I can tell). From what I can tell, WinMain is just a wrapper making it easier for Windows-targeted developme…

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## [Lookup Table Interpolation](https://discourse.slicer.org/t/lookup-table-interpolation/45226)

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**Author:** [@dpvaldes](https://discourse.slicer.org/u/dpvaldes)\
**Replies:** 0\
**Last updated:** [November 25, 2025, 9:37pm UTC](https://discourse.slicer.org/t/lookup-table-interpolation/45226 "2025-11-25T21:37:11Z")

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I’m generating new Lookup Tables to look at volumes with logarithmic scales. The lookup table I’m creating has a certain number of colors that determine the value resolution in the volumes we are visualizing with this lo…

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## [Webinar: What’s New in 3D Slicer 5.10](https://discourse.slicer.org/t/webinar-what-s-new-in-3d-slicer-5-10/45225)

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**Author:** [@Nick\_Bearup](https://discourse.slicer.org/u/Nick_Bearup)\
**Replies:** 0\
**Last updated:** [November 25, 2025, 6:56pm UTC](https://discourse.slicer.org/t/webinar-what-s-new-in-3d-slicer-5-10/45225 "2025-11-25T18:56:23Z")

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The 3D Slicer community has been working hard toward the release of 3D Slicer 5.10, which was launched earlier this month, and we are very excited about the new features in this major release. You can learn more by atten…

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## [How Can I Exclude Teeth When Creating Semi-Landmarks on the Mandible?](https://discourse.slicer.org/t/how-can-i-exclude-teeth-when-creating-semi-landmarks-on-the-mandible/45222)

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**Author:** [@Esra\_Karacan](https://discourse.slicer.org/u/Esra_Karacan)\
**Replies:** 1\
**Last updated:** [November 25, 2025, 6:00pm UTC](https://discourse.slicer.org/t/how-can-i-exclude-teeth-when-creating-semi-landmarks-on-the-mandible/45222 "2025-11-25T18:00:26Z")

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Dear all, I am working on human mandibles. Most of my material has missing teeth. So, I would like to discard the teeth and put the semi-landmarks on just bone. I tried to delete the teeth, but the software put on the s…

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## [2025.11.25 Weekly Meeting](https://discourse.slicer.org/t/2025-11-25-weekly-meeting/45215)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 3\
**Last updated:** [November 25, 2025, 4:43pm UTC](https://discourse.slicer.org/t/2025-11-25-weekly-meeting/45215 "2025-11-25T16:43:55Z")

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Tomorrow, we will be having our next weekly hangout at 11:00 AM ET until 12:00 PM ET. after the project week meetings. We will be re-using the same meeting link Anyone is welcome to join at this link: Launch Meeting - …

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## [3D slicer not loading images](https://discourse.slicer.org/t/3d-slicer-not-loading-images/45211)

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**Author:** [@amberlgilbert](https://discourse.slicer.org/u/amberlgilbert)\
**Replies:** 1\
**Last updated:** [November 24, 2025, 3:33pm UTC](https://discourse.slicer.org/t/3d-slicer-not-loading-images/45211 "2025-11-24T15:33:47Z")

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Previously, when loading images this was working, however now the images are not opening and loading, the error displayed is shown below: \[Qt\] Error: \[Qt\] database disk image is malformed Unable to fetch row \[Qt\] SQL …

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## [PW44 Meeting Nov 25 2025](https://discourse.slicer.org/t/pw44-meeting-nov-25-2025/45210)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 0\
**Last updated:** [November 24, 2025, 3:30pm UTC](https://discourse.slicer.org/t/pw44-meeting-nov-25-2025/45210 "2025-11-24T15:30:35Z")

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Dear Project Week community, The next project week preparation meeting will be tomorrow, Tuesday, Nov 25, at 10:00 AM ET. (2025-11-25T15:00:00Z (UTC)) You can join using the following link which will remain the same fo…

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## [Volume rendering adjusting precisely](https://discourse.slicer.org/t/volume-rendering-adjusting-precisely/45182)

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**Author:** [@michaelli](https://discourse.slicer.org/u/michaelli)\
**Replies:** 4\
**Last updated:** [November 24, 2025, 2:48pm UTC](https://discourse.slicer.org/t/volume-rendering-adjusting-precisely/45182 "2025-11-24T14:48:01Z")

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In volume rendering, after selecting a preset, I can drag the slider to adjust the ‘shift’ value. But I want to know how to adjust the ‘shift’ precisely?

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