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[Mael <>]

Hello,

The cell base type which provides a circumcenter() call is Delaunay_triangulation_cell_base_with_circumcenter_3, whereas you're only using a Triangulation_cell_base_with_info_3.

So, you want something like:

typedef Some_kernel                                                                                                K;
typedef CGAL::Triangulation_vertex_base_3<K>                                                     Vb;
typedef CGAL::Triangulation_cell_base_with_info_3<K>                                          Cbb;
typedef CGAL::Delaunay_triangulation_cell_base_with_circumcenter_3<K, Cbb>  Cb; // Now, the cell provides both info() and circumcenter()
typedef CGAL::Triangulation_data_structure_3<Vb, Cb>                                         TDS;
typedef CGAL::Delaunay_triangulation_3<K, TDS>                                                  Triangulation;

Best,
Mael

On 06/01/2020 03:53, Frank Dz wrote:

I am currently using CGAL 5.0 to do some geometry processing. 
And when I ran this code, there were some errors:

<http://cgal-discuss.949826.n4.nabble.com/file/t376165/1578278882%281%29.jpg> 
(as you can see I wanna get the circumcenter)

The compiler said that :

C2039	“circumcenter”: 
 is not a member of
“CGAL::Triangulation_cell_base_with_info_3<CellInfo,GT,CGAL::Triangulation_cell_base_3&lt;GT,CGAL::Triangulation_ds_cell_base_3&lt;TDS2>>>”
C:\local\CGAL-5.0\include\CGAL\Delaunay_triangulation_3.h	1851

My CGAL version is 5.0
and The mode is Debug on a windows machine.

Is there a method to solve this problem? 



 



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