CGAL users discussion list

[Guillaume Damiand <>]

Le 02/03/2015 08:03, Pranav a écrit :
> Hi,
>
> I am using Linear cell complex(LCC) to represent my piecewise linear
> complex. Now I want to insert a point inside a segment of LCC and split it
> into 2 individual sub-segments. I found one undocumented function
> /add_vertex()/ in Linear_cell_complex_incremental_builder.h.
>
> I would like to know whether I can use /add_vertex()/ function directly
> without worrying about if it will ensure splitting of an existing segment if
> the inserted point happens to be lying inside it?


You need to use the insert_point_in_cell<1> function


http://doc.cgal.org/latest/Linear_cell_complex/classCGAL_1_1Linear__cell__complex.html#a007ad7f303e6d4d3de6b172478d2371e


And yes, you can add a point in an edge even if the three points are not 
aligned.



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