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All 3D spatial sorting algorithms provided in Cgal are parameterized by a traits class Traits, which defines the primitives (objects and predicates) that the sorting algorithms use. SpatialSortingTraits_3 defines the complete set of primitives required in these functions and functors.
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The point type on which the sorting algorithms operate.
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Binary predicate object type comparing Point_3s
along the x coordinate.
Must provide
bool operator()(Point_3 p, Point_3 q) where true
is returned iff px < qx,
where px and qx denote x coordinate of point p and q,
respectively.
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Binary predicate object type comparing Point_3s
along the y coordinate.
Must provide
bool operator()(Point_3 p, Point_3 q) where true
is returned iff py < qy,
where py and qy denote y coordinate of point p and q,
respectively.
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Binary predicate object type comparing Point_3s
along the z coordinate.
Must provide
bool operator()(Point_3 p, Point_3 q) where true
is returned iff pz < qz,
where pz and qz denote z coordinate of point p and q,
respectively.
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Only a copy constructor is required.
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The following member functions to create instances of the above predicate object types must exist.
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Any Cgal kernel.