Many thanks for your suggestion of the example. It's really helpful.

> Hello, Adam,

> Thank you for your suggestion. I just made a test according to the

> example and it can solve my problem.

>

> Tianyun

>

> On Sun, Jul 17, 2016 at 5:51 AM, Andreas Fabri

> <

[hidden email]> wrote:

>>

>> Please have a look at the example in the manual:

>>

>>

http://doc.cgal.org/latest/Triangulation_3/index.html#Triangulation3secexamplescolor>>

>>

>>

>>

>> On 16/07/2016 17:37, Tianyun Su wrote:

>>>

>>> Hi Adam,

>>> Thank you for your response and instruction. I have not use

>>> Triangulation_vertex_base_with_info_3 or

>>> Triangulation_cell_base_with_info_3 before. Can you give me a more

>>> instruction about assigning and accessing the value of the added

>>> unsigned integer variable?

>>> Thanks again.

>>>

>>> Tianyun

>>>

>>>

>>> On Sat, Jul 16, 2016 at 7:31 AM, Adam Getchell <

[hidden email]>

>>> wrote:

>>>>

>>>> Sorry, the rest of the header might be useful:

>>>>

>>>>>

>>>>> // CGAL headers

>>>>> #include <CGAL/Exact_predicates_inexact_constructions_kernel.h>

>>>>> #include <CGAL/Triangulation_vertex_base_with_info_3.h>

>>>>> #include <CGAL/Triangulation_cell_base_with_info_3.h>

>>>>> #include <CGAL/Delaunay_triangulation_3.h>

>>>>>

>>>>> using K = CGAL::Exact_predicates_inexact_constructions_kernel;

>>>>> using Triangulation = CGAL::Triangulation_3<K>;

>>>>> // Used so that each timeslice is assigned an integer

>>>>> using Vb = CGAL::Triangulation_vertex_base_with_info_3<std::uintmax_t,

>>>>> K>;

>>>>> // Used to mark cell type

>>>>> using Cb = CGAL::Triangulation_cell_base_with_info_3<std::uintmax_t, K>;

>>>>

>>>>

>>>> // Parallel operations

>>>> #ifdef CGAL_LINKED_WITH_TBB

>>>> using Tds = CGAL::Triangulation_data_structure_3<Vb, Cb,

>>>> CGAL::Parallel_tag>;

>>>> #else

>>>> using Tds = CGAL::Triangulation_data_structure_3<Vb, Cb>;

>>>> #endif

>>>> using Delaunay = CGAL::Delaunay_triangulation_3<K, Tds>;

>>>> using Cell_handle = Delaunay::Cell_handle;

>>>> using Vertex_handle = Delaunay::Vertex_handle;

>>>> using Locate_type = Delaunay::Locate_type;

>>>> using Point = Delaunay::Point;

>>>>

>>>> Adam

>>>> --

>>>> Adam Getchell

>>>> about.me/adamgetchell

>>>>

>>>>

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>>>>

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>>>>

>>>

>>

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