CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

Could you try if the patch from this PR solves your issue?

Thanks,

Sebastien.


On 08/26/2018 02:26 PM, Morteza Manavi wrote:
> I attach a small program that reproduces the compilation error.
> Please look at the " graph_traits_Dual_Arrangement_2.h " file, you will 
> find that the CGAL::Arrangement_2 is used for calculations.
> Maybe error is for that?
>
> On Sun, Aug 26, 2018 at 4:23 PM Efi Fogel < 
> <mailto:>> wrote:
>
>     Please attach a small program that reproduces the compilation error.
>     I was, by the way, able to compile the lines of code you have posted
>     after adding the appropriate include statements.
>         ____  _        ____             _
>        /_____/_) o    /__________  __  //
>       (____ (   (    (    (_/ (_/-(-'_(/
>                               _/
>
>
>
>
>     On Sun, 26 Aug 2018 at 14:37, Morteza Manavi 
> <
>     
> <mailto:>>
>  wrote:
>
>         I looked, the header file was included.
>
>         On Sun, Aug 26, 2018 at 3:57 PM Efi Fogel 
> <
>         
> <mailto:>>
>  wrote:
>
>             Is it possible that you simply forgot to include the header
>             that contains the definition of CGAL::Dual, namely,
>             <CGAL/graph_traits_Dual_Arrangement_2.h> ?
>                 ____  _        ____             _
>                /_____/_) o    /__________  __  //
>               (____ (   (    (    (_/ (_/-(-'_(/
>                                       _/
>
>
>
>
>             On Sun, 26 Aug 2018 at 14:19, Morteza Manavi
>             
> <
>  
> <mailto:>>
>  wrote:
>
>                 Exactly, compiler give error:
>                 C2079: 'dual' uses undefined class
>                 'CGAL::Dual<Arr_with_hist_2>'
>                 C2440: 'initializing': cannot convert from
>                 'Arr_with_hist_2' to 'int'
>                 in line :
>
>                 Dual_arrangement dual(arr);
>
>                 of my code.
>                 (Notice that the error is not occur at runtime)
>
>
>
>                 On Sun, Aug 26, 2018 at 2:47 PM Efi Fogel
>                 
> <
>  
> <mailto:>>
>  wrote:
>
>                     What makes you think that the Dual class does not
>                     accept Arrangement_with_history_2?
>                         ____  _        ____             _
>                        /_____/_) o    /__________  __  //
>                       (____ (   (    (    (_/ (_/-(-'_(/
>                                               _/
>
>
>
>
>                     On Sun, 26 Aug 2018 at 12:15, Morteza Manavi
>                     
> <
>                     
> <mailto:>>
>  wrote:
>
>                         Thank you Efi,
>                         But I don't want to delete CGAL::Dual because I
>                         need to construct a dual graph representation of
>                         the arrangement, and on the other hand I need to
>                         have curve handler that it's possible with use
>                         of Arrangement_with_history_2 class.
>                         Apparently the Dual class does not accept
>                         Arrangement_with_history_2 as input and
>                         according to your answer I can't directly
>                         convert Arrangement_with_history_2 to
>                         Arrangement_2. I think, I must write my own dual
>                         graph class that accept
>                         Arrangement_with_history_2 as input.
>
>                         Morteza.
>
>                         On Sun, Aug 26, 2018 at 1:50 AM Efi Fogel
>                         
> <
>  
> <mailto:>>
>                         wrote:
>
>                             Hi Morteza,
>
>                             If you really need to convert
>                             Arrangement_with_history_2 to Arrangement_2,
>                             then you would need to reconstruct
>                             Arrangement_2, but conceptually, everything
>                             you can do with Arrangement_2 you can also
>                             do with Arrangement_with_history_2.
>
>                             Is it possible that you simply forgot to
>                             include the header that contains the
>                             definition of CGAL::Dual, namely,
>                             <CGAL/graph_traits_Dual_Arrangement_2.h> ?
>
>                             Anyway, if you still have a problem, please
>                             paste a complete minimal program.
>
>                             Efi
>                                 ____  _        ____             _
>                                /_____/_) o    /__________  __  //
>                               (____ (   (    (    (_/ (_/-(-'_(/
>                                                       _/
>
>
>
>
>                             On Sat, 25 Aug 2018 at 16:00, Morteza Manavi
>                             
> <
>                             
> <mailto:>>
>  wrote:
>
>                                 Hi, I want to use Dual class to
>                                 construct a dual graph of my
>                                 arrangement, but I get the compile error :
>                                 C2079: 'dual' uses undefined class
>                                 'CGAL::Dual<Arr_with_hist_2>'
>                                 and I think it's for
>                                 Arrangement_with_history_2 that I use to
>                                 define the arrangement in the code. Now
>                                 I need to convert Arr_with_hist_2 to
>                                 Arrangement_2 and I don't know how to do
>                                 this?
>                                 my CGAL type definition :
>
>                                 
> typedefCGAL::Cartesian<CGAL::Exact_rational>Kernel;
>
>                                 typedefKernel::Circle_2Circle_2;
>
>                                 typedefKernel::Segment_2Segment_2;
>
>
>                                 
> typedefCGAL::Arr_circle_segment_traits_2<Kernel>Circle_Segment_traits_2;
>
>                                 typedefstd::stringCurve_Name;
>
>                                 
> typedefCGAL::Arr_consolidated_curve_data_traits_2
>
>                                 <Circle_Segment_traits_2,Curve_Name>Traits_2;
>
>                                 typedefTraits_2::Point_2TPoint_2;
>
>                                 typedefTraits_2::Curve_2Curve_2;
>
>                                 typedefTraits_2::CoordNTCoordNT;
>
>
>                                 
> typedefCGAL::Arr_face_extended_dcel<Traits_2,unsignedint>Dcel;
>
>                                 
> typedefCGAL::Arrangement_with_history_2<Traits_2,Dcel>Arr_with_hist_2;
>                                 
> typedefCGAL::Dual<Arr_with_hist_2>Dual_arrangement;
>                                 
> typedefCGAL::Arr_face_index_map<Arr_with_hist_2>Face_index_map;