[Incubator] Motion: Accept SFCGAL as an OSGeo community project

Wed Jan 28 10:20:01 PST 2026

 Thanks for making a motion!

+ 1

(I have also sent some small feedback about CONTIRBUTING.md to the other
email thread for consideration)
- -
Jody Garnett

On Jan 27, 2026 at 10:46:29 AM, Angelos Tzotsos via Incubator <
incubator at lists.osgeo.org> wrote:

> Given that the project has replied to all comment of the review, I would
> like to make the following motion:
>
> > Motion to accept SFCGAL project as OSGeo Community Project
>
> The project page is here: https://www.osgeo.org/projects/sfcgal/ and
> meets our OSGeo community initiative checklist.
>
> The motion is held open for two weeks until February 10th., requiring
> 50% quorum, from the following incubation committee members:
>
>    - Angelos Tzotsos
>    - Arnulf Christl
>    - Bob (CI-StPaul) Basques
>    - Brian M Hamlin
>    - Daniel Morissette
>    - Dimitris Kotzinos
>    - Frank Warmerdam
>    - Jo Cook
>    - Jody Garnett
>    - Michael Smith
>    - Nick Bearman
>    - Regina Obe
>    - Steve Lime
>    - Tom Kralidis
>
>
> Best regards,
> Angelos
>
>
> On 9/25/24 10:26, Loic Bartoletti via Incubator wrote:
>
> Hello,
>
>
> I am writing on behalf of the team behind the SFCGAL (Simple Features for
> Computational Geometry and Algorithms Library) project to apply for OSGeo
> Community Project status.
>
>
> SFCGAL provides advanced 2D and 3D operations, computations, and analysis
> functions for geospatial data. It enhances the capabilities of GIS
> (Geographic Information Systems) by providing complex geometric
> computations, which are essential for 3D modeling and spatial analysis
> tasks. Our goal is to facilitate the use of advanced computational geometry
> algorithms within the geospatial community through a standardized and open
> platform.
>
>
> Since its inception, SFCGAL has grown significantly, reaching several
> releases, with the latest version being 1.5.2 and a 2.0.0 will be released
> very soon. The project has been in continuous development thanks to the
> efforts of a dedicated team of contributors and is currently used in
> various applications requiring high-precision 2D and 3D spatial analysis.
> The integration with GIS tools like PostGIS and GDAL further demonstrates
> the utility and robustness of SFCGAL. Additionally, a QGIS plugin
> ([QSFCGAL](https://gitlab.com/oslandia/qgis/qsfcgal)) is currently in
> development to extend QGIS 3D and advanced 2D, thanks to [(Py)SFCGAL](
> https://sfcgal.gitlab.io/pysfcgal/).
>
>
> Historically, SFCGAL was a project initiated by [IGN France](
> https://www.ign.fr/) (National Institute of Geographic and Forest
> Information) and [Oslandia](https://oslandia.com/). It has always been an
> open-source project, and it now has its own independent entity but mainly
> funded by Oslandia.
>
>
> With the support of OSGeo, SFCGAL aims to expand its community, enhance
> its governance, and promote its features to a wider audience.
>
>
> Community Project Application Checklist:
>
>
> - 1. Geospatial:
>
>      - 1.1. README or project description:
>
>          - SFCGAL README: [SFCGAL README](
> https://gitlab.com/sfcgal/sfcgal/blob/master/README.md)
>
>          - Project website: [SFCGAL Website](
> https://sfcgal.gitlab.io/SFCGAL/)
>
>      - 1.2. User guide or quickstart:
>
>          - SFCGAL Documentation available:
>
>              - [SFCGAL Documentation](
> https://sfcgal.gitlab.io/SFCGAL/documentation.html)
>
>              - [Development Documentation](
> https://sfcgal.gitlab.io/SFCGAL/dev.html)
>
>              - [C API Documentation](
> https://sfcgal.gitlab.io/SFCGAL/doxygen/group__capi.html)
>
>              - [C++ API Documentation](
> https://sfcgal.gitlab.io/SFCGAL/doxygen/group__public__api.html)
>
>          - PostGIS SFCGAL:
>
>              - [SFCGAL Reference](
> https://postgis.net/docs/manual-dev/en/reference_sfcgal.html)
>
>
> - 2. Free or Open Source License:
>
>      - 2.1. License file:
>
>          - SFCGAL is provided under the following license: LGPL version 2
> or later. You can find the license here: [SFCGAL License](
> https://gitlab.com/sfcgal/SFCGAL/-/blob/master/LICENSE).
>
>          - As mentioned in the [SFCGAL README](
> https://gitlab.com/sfcgal/sfcgal/blob/master/README.md): Note that the
> main dependency for SFCGAL is the CGAL library, and SFCGAL uses CGAL
> modules which are licensed as GPLv3+. Whenever you compile and distribute
> SFCGAL with the GPL-licensed CGAL, the full packaged result is
> automatically considered as GPL version 3 or later, due to GPL's "viral"
> property. If you link and distribute SFCGAL with another software package,
> be sure to fully understand the implications and check any legal and
> technical requirements implied by the license.
>
>      - 2.2. Check headers:
>
>          - All files have a [SPDX Identifier](
> https://spdx.dev/learn/handling-license-info/), [for example](
> https://gitlab.com/sfcgal/SFCGAL/-/blob/master/src/Coordinate.cpp?ref_type=heads#L3
> )
>
>
> - 3. Participatory:
>
>      - 3.1 All required and relevant files are located in the SFCGAL
> repository:
>
>          - [Contribution Policy](
> https://gitlab.com/sfcgal/SFCGAL/blob/master/CONTRIBUTING.md)
>
>          - [Code of Conduct](
> https://gitlab.com/sfcgal/SFCGAL/blob/master/CODE_OF_CONDUCT.md)
>
>          - [History of Contributions](
> https://gitlab.com/sfcgal/SFCGAL/-/graphs/master)
>
>          - [Closed Merge Requests](
> https://gitlab.com/sfcgal/SFCGAL/-/merge_requests?scope=all&state=merged)
>
>
> - 4. Open Community:
>
>      - 4.1 communication channel:
>
>          - [GitLab Issues](https://gitlab.com/sfcgal/SFCGAL/-/issues)
>
>          - IRC channel libera.chat: #sfcgal. When applicable, we would
> like to create a new one on [osgeo.org IRC](
> https://wiki.osgeo.org/wiki/IRC) with a matrix bridge
>
>          - No mailing list, maybe we'll ask an entry into the osgeo's
> dicourse
>
>
> - 5. Development Process
>
>      - version control: We use git. Code is located at [GitLab](
> https://gitlab.com/sfcgal/SFCGAL/)
>
>      - issue tracker: [GitLab Issues](
> https://gitlab.com/sfcgal/SFCGAL/-/issues)
>
>      - leadership open to new members: We have a [Contribution Policy](
> https://gitlab.com/sfcgal/SFCGAL/blob/master/CONTRIBUTING.md) and no
> problem to accept new members as mentioned in [Becoming a PSC Member](
> https://gitlab.com/sfcgal/SFCGAL/blob/master/PSC.md)
>
>      - transparent decision-making: Discussions are open on [GitLab
> Issues](https://gitlab.com/sfcgal/SFCGAL/-/issues) or [GitLab Merge
> Requests](
> https://gitlab.com/sfcgal/SFCGAL/-/merge_requests?scope=all&state=all)
>
>
> - 6. Documentation
>
>      - see 1.2. User guide or quickstart
>
>
> - 7. Release Procedure
>
>      - Release procedure is explained in [RELEASES.md](
> https://gitlab.com/sfcgal/SFCGAL/blob/master/RELEASES.md)
>
>
> If you have any questions about the project or our application, please let
> me know and I'll be more than happy to help.
>
>
> Best Regards,
>
>
> Loïc Bartoletti
>
> [OSGeo Profile](https://www.osgeo.org/member/bartoletti/)
>
> [GitLab Profile](https://gitlab.com/lbartoletti)
>
> [GitHub Profile](https://github.com/lbartoletti)
>
>
>
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>
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>
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>
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>
>
>
> --
> Angelos Tzotsos, PhD
> President, Board of Directors
> Open Source Geospatial Foundation
> https://www.osgeo.org/member/angelos-tzotsos/
>
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>
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