71     : _center(center), _radius(radius)  in Construct_geographical_coordinates()
76     CGAL_assertion(pt != _center);  in operator()
78     const FT la = 180. * std::asin((pt.z() - _center.z()) / _radius) / CGAL_PI;  in operator()
79     const FT lo = 180. * std::atan2((pt.y() - _center.y()), (pt.x() - _center.x())) / CGAL_PI;  in operator()
85   const Point_3& _center;
98     : _center(center), _radius(radius)  in Construct_Cartesian_coordinates()
106     const FT x = _center.x() + _radius * std::cos(rla) * std::cos(rlo);  in operator()
107     const FT y = _center.y() + _radius * std::cos(rla) * std::sin(rlo);  in operator()
108     const FT z = _center.z() + _radius * std::sin(rla);  in operator()
128     const FT x = _center.x() + (N + h) * std::cos(rla) * std::cos(rlo);  in operator()
129     const FT y = _center.y() + (N + h) * std::cos(rla) * std::sin(rlo);  in operator()
130     const FT z = _center.z() + (b2 * N / a2 + h) * std::sin(rla);  in operator()
137   const Point_3& _center;
152     : _center(center), _radius(radius), _f(f)  in Construct_circumcenter_on_geo_sphere_2()
157     Construct_Cartesian_coordinates<LK> to_P3(_center, _radius);  in operator()
158     Construct_geographical_coordinates<LK> to_PoS2(_center, _radius);  in operator()
165   const Point_3& _center;  member