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| Vector_3<Kernel> | orthogonal_vector ( Plane_3<Kernel> p) | |
| computes an orthogonal vector of the plane p, which is directed to the positive side of this plane. | ||
| Vector_3<Kernel> | orthogonal_vector ( Point_3<Kernel> p, Point_3<Kernel> q, Point_3<Kernel> r) | |
| computes an orthogonal vector of the plane defined by p, q and r, which is directed to the positive side of this plane. | ||