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CGAL is a software project that provides easy access to efficient and reliable geometric algorithms in the form of a C++ library.
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The CGAL Open Source Project is pleased to announce the release 6.1 of CGAL, the Computational Geometry Algorithms Library.

3D constrained triangulations, 3D snap rounding, faster Boolean operations, Fréchet distance computations, and much more

Changelog: www.cgal.org/2025/10/01/c...
The CGAL Open Source Project is pleased to announce the release 6.1 of CGAL, the Computational Geometry Algorithms Library.

3D constrained triangulations, 3D snap rounding, faster Boolean operations, Fréchet distance computations, and much more

Changelog: www.cgal.org/2025/10/01/c...
November 7, 2025 at 9:14 AM
Later today, CGAL will be presented at the seminar "Geometry & Visualization" @ berlin.social/@freieuniver...

Unusually, focus will be on organizational aspects of the open source project: license choice, infrastructure, sustaining a long-term project, ...

mi.fu-berlin.de/en/math/grou...
Oberseminar talks: Yoshiki Jikumaru - Anisotropic energy descent and Minkowski-type formula for discrete surfaces, and, Andreas Fabri: The Computational Geometry Algorithms Library
mi.fu-berlin.de
September 11, 2025 at 8:45 AM
Chopping with CGAL is 10 times faster in our upcoming release, CGAL 6.1.

Re-implemented from scratch, clipping/splitting now supports non-triangular faces and can handle self-intersecting inputs.

More on the blog entry: www.cgal.org/2025/06/06/n...
July 24, 2025 at 8:24 PM
The beta release for the next version of CGAL (6.1) is now available!

New:
- 3D contrained triangulations
- Isosurfacing methods
- Robust and fast self-intersection removal
- 10x faster plane clipping
- Frechet distance
- ...

Full changelog and download: www.cgal.org/2025/07/07/c...
July 9, 2025 at 8:32 PM
New in CGAL: Robust and fast self-intersection removal in triangle meshes!

Combining Boolean operations and snap rounding, we remove all self-intersections consistently, for example over all of Thingi10k.

Work to be presented at SGP in Bilbao this week.

More: www.cgal.org/2025/06/13/a...
June 30, 2025 at 4:49 PM
New in CGAL: A new method for surface remeshing, with sharp feature preservation.

"ACVD Remeshing" is based on publications of Valette et al., and uses clusters of vertices, which are grown to minimize a particular energy until convergence.

Blog entry: www.cgal.org/2025/05/22/S...
June 16, 2025 at 9:53 AM
From time to time, users allow us to tell us how they use CGAL.

To learn why recent speed improvements for our Boolean operations are crucial for De Beers Group and Tiffany & Co., check the gallery at cgal.org
and read the press release: www.cgal.org/news/2025/04...
April 1, 2025 at 9:52 AM
The CGAL project has been accepted as a mentoring organization for the 2025 Google Summer of Code
(summerofcode.withgoogle.com/programs/202...).
Check out our project page (github.com/CGAL/cgal/wi...) and get in touch with our mentors! #GSoC
Google Summer of Code
Google Summer of Code is a global program focused on bringing more developers into open source software development.
summerofcode.withgoogle.com
February 28, 2025 at 11:12 AM
New in CGAL: 3D Mesh Generation receives another batch of improvements with CGAL 6.0

- Recovery of sharp features in labeled images
- Weighted labeled images are now supported
- Improved mesh quality near sharp features, for all domain types

More info: www.cgal.org/2024/12/01/m...
December 17, 2024 at 10:05 AM
A binary version of Kitware's VESPA Plugin for Paraview is now available!

This plugin brings some CGAL mesh processing components to VTK and ParaView through a transparent wrapping.

Let us know if there are CGAL components you'd like to see in VESPA!

gitlab.kitware.com/vtk/meshing/...
VTK / Meshing / VESPA · GitLab
(V)TK (E)nhanced with (S)urface (P)rocessing (A)lgorithms: VESPA 🐝 This VTK module exposes some CGAL methods through VTK filters. The CGAL library is under...
gitlab.kitware.com
November 19, 2024 at 3:35 PM
The CGAL Open Source Project is pleased to announce the release 6.0 of CGAL, the Computational Geometry Algorithms Library.

Four new packages, 2D AABB Tree, autorefinement of triangle soups, tetrahedral remeshing with sizing fields, and more.

Changelog: www.cgal.org/2024/09/27/c...
November 13, 2024 at 2:28 PM