CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

For now nothing is available for geometry on the sphere.
In CGAL 5.1 there should be a triangulation package on the sphere
that should be released and it will include constrained triangulations
that could be used to compute Boolean operations of polygon on a sphere.

The PR should be opened in the upcoming days/weeks so you could give it
a try before the official integration if you want.

Sebastien.

On 10/20/19 1:45 AM, tfmk wrote:
> Hello, I have a question about CGAL's support of spherical geometry. I need
> to project my 3D geometry onto a sphere (resulting in 2D spherical polygons)
> and then perform 2D boolean union and difference with these polygons.
>
> My questions are:
> - Does CGAL provide a spherical polygon representation?
> - Does CGAL provide boolean union/difference operations for these spherical
> polygons?
> - Could you provide a guess of how performant are spherical 2D boolean
> operations in comparison to planar 2D boolean operations? (for example, the
> time it takes to unite X spherical triangles vs. unite X planar triangles)
>
> Thank you
> tfmk
>
>
>
> --
> Sent from: http://cgal-discuss.949826.n4.nabble.com/