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

Regina Obe lr at pcorp.us
Tue Jan 27 12:17:04 PST 2026 

+1

> -----Original Message-----
> From: Incubator <incubator-bounces at lists.osgeo.org> On Behalf Of Angelos
> Tzotsos via Incubator
> Sent: Tuesday, January 27, 2026 1:46 PM
> To: incubator at lists.osgeo.org
> Subject: [Incubator] Motion: Accept SFCGAL as an OSGeo community project
> 
> 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.htm
> > l)
> >              - [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.htm
> > l)
> >
> > - 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_CONDUC
> T.
> > 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)
> >
> >
> > _______________________________________________
> > Incubator mailing list
> > Incubator at lists.osgeo.org
> > https://lists.osgeo.org/mailman/listinfo/incubator
> 
> 
> --
> Angelos Tzotsos, PhD
> President, Board of Directors
> Open Source Geospatial Foundation
> https://www.osgeo.org/member/angelos-tzotsos/
> 
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