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CGAL 4.5 - 3D Spherical Geometry Kernel
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SphericalKernel::CompareZToRight_3 Concept Reference
Geometric Concepts

Definition

See Also
SphericalKernel::CompareZAtTheta_3

Operations

An object of this type must provide:

Comparison_result operator() (const SphericalKernel::Circular_arc_3 &a0, const SphericalKernel::Circular_arc_3 &a1, const SphericalKernel::Circular_arc_point_3 &p)
 Compares the z-coordinates of the intersection points of both arcs with a meridian anchored at the poles of the context sphere used by the function SphericalKernel::compare_z_to_right_3_object, at a θ-coordinate infinitesimally greater that the θ-coordinate of point p. More...
 

Member Function Documentation

Comparison_result SphericalKernel::CompareZToRight_3::operator() ( const SphericalKernel::Circular_arc_3 &  a0,
const SphericalKernel::Circular_arc_3 &  a1,
const SphericalKernel::Circular_arc_point_3 &  p 
)

Compares the z-coordinates of the intersection points of both arcs with a meridian anchored at the poles of the context sphere used by the function SphericalKernel::compare_z_to_right_3_object, at a θ-coordinate infinitesimally greater that the θ-coordinate of point p.

Precondition
a0 and a1 lie on the context sphere used by the function SphericalKernel::compare_z_to_right_3_object, a0 and a1 are θ-monotone, p lies on a0 and a1 and is not a θ-extremal point of the supporting circle of a0 or a1.