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[Per Zetterlund <>]

Hi Adam,

It's defined in Triangulation_3.h (line 395 in my system).
Docs is here:

http://doc.cgal.org/latest/Triangulation_3/classCGAL_1_1Triangulation__3.html#a8330f902e49d6280b4a6a498fa4d925a

 /Per


On Fri, Nov 7, 2014 at 8:41 AM, Adam Getchell 
<>
 wrote:
> Hi Per,
>
> Wow! That compiles! Now I’m confused. Where is tds() defined?
>
> I had been using the Tds from the:
>
> typedef CGAL::Triangulation_data_structure_3<Vb> Tds;
>
> Also, I looked at the documentation and realized I could delete vertices, 
> so I was doing:
>
> for(size_t i = 0; i < 4; i++)
>         {
>           /// Remove all vertices in the invalid cell
>           D3->remove(cit->vertex(i));
>         }
>
> Thank you for your answer, sorry about the further question!
>
> Adam Getchell
> about.me/adamgetchell
>
>> On Nov 6, 2014, at 11:31 PM, Per Zetterlund 
>> <>
>>  wrote:
>>
>> Hi Adam,
>>
>> I'm didn't test run it on my computer, but
>>
>>  D3->tds().delete_cell(cit);
>>
>> compiles for me.
>>
>> /Per
>>
>>
>> On Fri, Nov 7, 2014 at 5:12 AM, Adam Getchell 
>> <>
>>  wrote:
>>> Hello all,
>>>
>>> I have a function on a Delaunay triangulation which checks the validity of
>>> my cells. I want to call TriangulationDataStructure_3::delete_cell(). How 
>>> do
>>> I do that?
>>>
>>> First, I tried just doing Tds::delete_cell(cit);
>>>
>>> But that gives a “call to non-static member function without an object
>>> argument”.
>>>
>>> Next, I tried calling the superclass method from the subclass:
>>>
>>> typedef CGAL::Exact_predicates_inexact_constructions_kernel K;
>>> /// Used so that each timeslice is assigned an integer
>>> typedef CGAL::Triangulation_3<K>  Triangulation;
>>> typedef CGAL::Triangulation_vertex_base_with_info_3<unsigned, K> Vb;
>>> typedef CGAL::Triangulation_data_structure_3<Vb> Tds;
>>> typedef CGAL::Delaunay_triangulation_3<K, Tds> Delaunay;
>>> typedef Delaunay::Vertex_handle Vertex_handle;
>>> typedef Delaunay::Locate_type Locate_type;
>>> typedef Delaunay::Point Point;
>>>
>>> inline bool check_timeslices(Delaunay* D3) {
>>>  Delaunay::Finite_cells_iterator cit;
>>>  for(cit = D3->finite_cells_begin();  cit != D3->finite_cells_end(); 
>>> ++cit)
>>>  {
>>>    /// Get the vertices from the cell
>>>    //Delaunay::Facet& face = *(cit->first);
>>>    // Vertex_handle vs = cit->source();
>>>    if (cit->is_valid())
>>>      {
>>>        std::cout << "Cell is valid." << std::endl;
>>>      }
>>>    else
>>>      {
>>>        D3->Tds::delete_cell(cit);
>>>        std::cout << "Invalid cell destroyed." << std::endl;
>>>      }
>>>  }
>>>  assert(D3->is_valid());
>>>  return true;
>>> }
>>>
>>> It looks like delete_cell is a private function not callable from
>>> subclasses. I get:
>>>
>>> [ 12%] Building CXX object CMakeFiles/cdt.dir/src/cdt.cpp.o
>>> In file included from /Users/adam/CDT-plusplus/src/cdt.cpp:22:
>>> /Users/adam/CDT-plusplus/src/S3Triangulation.h:59:13: error: 'Tds' is a
>>> private
>>>      member of 'CGAL::Triangulation_3<CGAL::Epick,
>>>
>>> CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_with_info_3<unsigned
>>>      int, CGAL::Epick, CGAL::Triangulation_vertex_base_3<CGAL::Epick,
>>>      CGAL::Triangulation_ds_vertex_base_3<void> > >,
>>>      CGAL::Triangulation_ds_cell_base_3<void>, CGAL::Sequential_tag>,
>>>      CGAL::Default>'
>>>        D3->Tds::delete_cell(cit);
>>>            ^
>>> /usr/local/include/CGAL/Triangulation_3.h:375:83: note: implicitly 
>>> declared
>>>      private here
>>>  ...Triangulation_cell_base_3<GT> > >::type Tds;
>>>                                             ^
>>> In file included from /Users/adam/CDT-plusplus/src/cdt.cpp:22:
>>> /Users/adam/CDT-plusplus/src/S3Triangulation.h:59:18: error:
>>>
>>> 'CGAL::Triangulation_data_structure_3<CGAL::Triangulation_vertex_base_with_info_3<unsigned
>>>      int, CGAL::Epick, CGAL::Triangulation_vertex_base_3<CGAL::Epick,
>>>      CGAL::Triangulation_ds_vertex_base_3<void> > >,
>>>      CGAL::Triangulation_ds_cell_base_3<void>,
>>>      CGAL::Sequential_tag>::delete_cell' is not a member of class
>>> 'Delaunay'
>>>      (aka 'Delaunay_triangulation_3<K, Tds>')
>>>        D3->Tds::delete_cell(cit);
>>>
>>>
>>> Adam Getchell
>>> about.me/adamgetchell
>>>
>>
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>
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