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% | Reference manual page: DelaunayConstrainedTriangulationTraits_2.tex
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% | 05.02.2002   Mariette Yvinec
% | Package: Triangulation_2
% | 
\RCSdef{\RCSConstrainedDelaunayTriangulationTraitsRev}{$Id$}
\RCSdefDate{\RCSConstrainedDelaunayTriangulationTraitsDate}{$Date$}
% |
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\begin{ccRefConcept}{ConstrainedDelaunayTriangulationTraits_2}

%% \ccHtmlCrossLink{}     %% add further rules for cross referencing links
%% \ccHtmlIndexC[concept]{} %% add further index entries

\ccDefinition
  

The concept \ccRefName\ defines the requirements for the geometric
traits class of a constrained Delaunay  triangulation
that supports intersections of input constraints.
This is the case
when the template parameter \ccc{Itag} 
of ( \ccc{Constrained_Delaunay_triangulation_2<Traits,Tds,Itag>})
is instantiated
by one of the tag classes \ccc{Exact_intersections_tag} or
\ccc{Exact_predicates_tag}). 
The concept \ccRefName\  refines both the concept
\ccc{DelaunayTriangulationTraits_2} and the concept
\ccc{ConstrainedTriangulationTraits_2}.

\ccRefines
\ccc{DelaunayTriangulationTraits_2} \\
\ccc{ConstrainedTriangulationTraits_2}



\ccCreationVariable{traits}  %% choose variable name



\ccHasModels
The kernels of \cgal\ are models for this traits class.\\
\ccc{Triangulation_euclidean_traits_xy<K>}\\
\ccc{Triangulation_euclidean_traits_yz<K>}\\
\ccc{Triangulation_euclidean_traits_xz<K>}

\ccSeeAlso
\ccc{TriangulationTraits_2} \\
\ccc{ConstrainedTriangulationTraits_2} \\
\ccc{Constrained_triangulation_2<Gt,Tds,Itag>} \\
\ccc{Constrained_Delaunay_triangulation_2<Gt,Tds,Itag>} 


%\ccExample

%A short example program.
%Instead of a short program fragment, a full running program can be
%included using the 
%\verb|\ccIncludeExampleCode{Package/ConstrainedTriangulationPlusTraits_2_prog.cpp}| 
%macro. The program example would be part of the source code distribution and
%also part of the automatic test suite.

%\begin{ccExampleCode}
%void your_example_code() {
%}
%\end{ccExampleCode}

%% \ccIncludeExampleCode{Package/ConstrainedTriangulationPlusTraits_2_prog.cpp}

\end{ccRefConcept}

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