CGAL users discussion list

[Monique Teillaud <>]

Le 25/07/12 10:34, cnng0315 a écrit :
> I want to get the least distance between two points on a sphere_3.  and if
> the point's coordinates are given degree, how to do it ?
> any one give me some info?

Hi,

see http://en.wikipedia.org/wiki/Great-circle_distance

or use the CGAL 3D Spherical Geometry Kernel
in particular SphericalKernel::ComputeApproximateSquaredLength_3

Best,
--
Monique Teillaud
INRIA Sophia Antipolis - Méditerranée
http://www.inria.fr/sophia/members/Monique.Teillaud/