CGAL 5.4 - 2D Arrangements
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A model of the concept ArrangementOpenTopTraits_2
must be used when the parameter space of the surface, the arrangement is embedded on, is open on the top side and curves inserted into the arrangement are expected to reach this boundary side. A model of this concept can handle curves that reach the top boundary side when it is open.
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typedef unspecified_type | Top_side_category |
Must be convertible to CGAL::Arr_open_side_tag . | |