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CGAL 6.0 - 3D Alpha Shapes
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The concept FixedAlphaShapeTraits_3 describes the requirements for the geometric traits class of the underlying Delaunay triangulation of a basic alpha shape with a fixed value alpha.
DelaunayTriangulationTraits_3 if the underlying triangulation of the alpha shape is a Delaunay triangulationPeriodic_3DelaunayTriangulationTraits_3 if the underlying triangulation of the alpha shape is a periodic Delaunay triangulationKernel Types | |
| typedef unspecified_type | Comparison_result |
CGAL::Comparison_result or Uncertain<CGAL::Comparison_result> | |
| typedef unspecified_type | Compare_squared_radius_3 |
| An object constructor able to compare the squared radius of the smallest circumscribing sphere of either four, three, two or one point(s) with a given value of alpha. | |
Creation | |
| FixedAlphaShapeTraits_3 () | |
| Default constructor. | |
Access Functions | |
| Compare_squared_radius_3 | compare_squared_radius_3_object () |
An object constructor able to compare the squared radius of the smallest circumscribing sphere of either four, three, two or one point(s) with a given value of alpha.
It provides:
Comparison_result operator()(Point_3,Point_3,Point_3,Point_3)Comparison_result operator()(Point_3,Point_3,Point_3)Comparison_result operator()(Point_3,Point_3)Comparison_result operator()(Point_3)