CGAL 5.0 - 3D Envelopes: Concepts

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CGAL 5.0 - 3D Envelopes

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Concepts
concept	EnvelopeTraits_3
	This concept defines the minimal set of geometric predicates and operations needed to compute the envelope of a set of arbitrary surfaces in $\mathbb{R}^3$ . It refines the `ArrangementXMonotoneTraits_2` concept. In addition to the `Point_2` and `X_monotone_curve_2` types and the `Has_boundary_category` category tag listed in the base concept, it also lists the `Surface_3` and `Xy_monotone_surface_3` types, which represent arbitrary surfaces and $xy$ -monotone surfaces, respectively, and some constructions and predicates on these types. Note however, that these operations usually involve the projection of 3D objects onto the $xy$ -plane. More...