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Forum: CGAL 4.6 Beta 1 Released

Posted by: Laurent Rineau (admin)
Date: 2015-03-19 16:40
Summary: CGAL 4.6 Beta 1 Released
Project: CGAL

Content:

The CGAL Open Source Project is pleased to announce the release 4.6 Beta 1
of CGAL, the Computational Geometry Algorithms Library.

CGAL version 4.6 Beta 1 is a public testing release. It should provide
a solid ground to report bugs that need to be tackled before the
release of the final version of CGAL 4.6 in March.


Besides fixes to existing packages, the following has changed since
CGAL 4.5:


o 2D Generalized Barycentric Coordinates (new package)

This package offers an efficient and robust implementation of two-
dimensional closed-form generalized barycentric coordinates defined for
simple two-dimensional polygons.


o Scale-Space Surface Reconstruction (new package)

This new package provides a class gathering a dedicated smoothing
algorithm and some convenience functions to help the creation of a
surface out of a point set using the 3D Alpha Shapes package. The
particularity of this reconstruction pipeline is that the input point
are in the output and no new points are created. Note that in the
current version, the output is a triangle soup that is not necessarily
a valid (manifold) polyhedral surface.


o Surface Mesh (new package)

The surface mesh class provided by this package is an implementation of
the halfedge data structure allowing to represent polyhedral surfaces.
It is an alternative to the packages CGAL::Polyhedron_3 and
CGAL::HalfedgeDS.


o Triangulation (new package)

This new package provides classes for manipulating triangulations in
Euclidean spaces whose dimension can be specified at compile-time or at
run-time.


o 2D Triangulations

The class Constrained_triangulation_plus_2 now can handle polylines as
constraints.


o Spatial Searching

- Improved performance of Orthogonal_k_neighbor_search.

- Breaking change: The concept OrthogonalDistance has new function
overloads for min_distance_to_rectangle and max_distance_to_rectangle
with an additional reference parameter std::vector.


See http://www.cgal.org/releases.html for a complete list of changes.

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