# 2025.01.21 Weekly Meeting

**URL:** <https://discourse.slicer.org/t/2025-01-21-weekly-meeting/41174>\
**Category:** Weekly meetings\
**Created:** [January 20, 2025, 11:20pm UTC](https://discourse.slicer.org/t/2025-01-21-weekly-meeting/41174 "2025-01-20T23:20:51Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Sam\_Horvath](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/sam_horvath/32/3092_2.png) [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Post date:** [January 20, 2025, 11:20pm UTC](https://discourse.slicer.org/t/2025-01-21-weekly-meeting/41174/1 "2025-01-20T23:20:51Z")

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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 Prep Call. We will be reusing the same link from the Project Week call.

Anyone is welcome to join at this link: [Launch Meeting - Zoom](https://ntnu.zoom.us/j/94105383302?pwd=alVLSG1ITVhSUmpqVG9VMkMwOURrUT09)

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> **Weekly Meeting**
>
> **Starts:** January 21, 2025, 11:00am (America/New\_York)\
> **Link:** <https://ntnu.zoom.us/j/94105383302?pwd=alVLSG1ITVhSUmpqVG9VMkMwOURrUT09>

**Agenda:**

Please post to this thread to put a topic on the agenda! We will try to prioritize agenda items during the meeting.

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Thanks  
Sam and J-Christophe

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**Author:** ![arhowe00](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/arhowe00/32/80367_2.png) [@arhowe00](https://discourse.slicer.org/u/arhowe00)\
**Post date:** [January 21, 2025, 4:02pm UTC](https://discourse.slicer.org/t/2025-01-21-weekly-meeting/41174/2 "2025-01-21T16:02:24Z")

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I’d like to discuss the refactoring to `SliceViewAnnotations.py` (#7184)

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**Author:** ![jcfr](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jcfr/32/17825_2.png) [@jcfr](https://discourse.slicer.org/u/jcfr)\
**Post date:** [January 22, 2025, 3:48am UTC](https://discourse.slicer.org/t/2025-01-21-weekly-meeting/41174/3 "2025-01-22T03:48:53Z")

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### Meeting Notes

#### Slicer 5.8 Release

- **Recent Changes** : Discussed updates related to the distribution of runtime libraries.
- **Visual Studio Update** :
  - Agreed to update the Visual Studio version installed on the Windows factory (`bluestreak`) before the release.
  - Ensures that both Stable and Preview extensions can be built using the same compiler.

- **Next Steps** :
  - Pause the build of Stable extensions.
  - Update Visual Studio on the Windows factory.
  - Wait for the **January 21st preview build** to complete.
  - Begin the release process on **January 22nd**.

#### Refactor Corner Annotations

- **Overview** : @arhowe00 presented an overview of [PR #8143](https://github.com/Slicer/Slicer/pull/8143).
- **Generalizing MRML Node Attributes** :
  - Discussed generalizing MRML node attributes to allow specific “data” nodes to **advertise attributes** (e.g., DICOM-related attributes).
  - Proposed a generalized approach building on the existing `vtkMRMLAbstractAnnotationPropertyValueProvider`.

#### Curved Planar Reformat (CPR)

- **Work-in-Progress** : A pull request implementing CPR logic into Slicer core has been submitted by @Lee_Newberg. See [PR #8148](https://github.com/Slicer/Slicer/pull/8148).

#### Slicer Telemetry

- **Hackathon Opportunity** :
  - The upcoming [Slicer Hackathon](https://discourse.slicer.org/t/slicer-hackathon-hosted-by-kitware-january-24th-2025/41096) hosted by Kitware on **January 24th** will provide a chance to review and make progress on telemetry-related tasks. Cc: @BerDom.Ing

#### Slicer-SOFA

- **Simplifying Scene Creation** :
  - Discussed facilitating the creation of SOFA scenes in Slicer-SOFA. [Paul Baksic](https://github.com/bakpaul) is developing a “Prefabs” system ([Issue Slicer/SlicerSOFA#40](https://github.com/Slicer/SlicerSOFA/issues/40)).
  - Prefabs act as an abstraction layer to simplify the creation of simulations.

- **Lung Simulation Demo** :
  - @pieper demonstrated a lung deflation simulation where the segmented lung was deformed in the image space, leaving an “air gap” between the ribs and the deflated lung.
  - This highlights the potential of combining simulations with transformations applied to medical volumes within segmented areas.