CGAL users discussion list

[Efi Fogel <>]

It's seems like a bug. Probably in the writing to or reading from a 
file. Can you confirm?

Paul Neugebauer wrote:
> Hi list,
>
> I have got a strange problem with the Arrangement_2 IO. Here is a part 
> of my program:
>
>    ...
>    Naive_pl    naive_pl(arr);
>
>        point_location_query(naive_pl, source);
>
>    // Write the arrangement to a file
>    std::ofstream    out_file("output/arr_io.dat");
>    Formatter    formatter;
>
>    write(arr, out_file, formatter);
>    out_file.close();
>
>    // Read the arrangement from a file
>    std::ifstream in_file2("output/arr_io.dat");
>    Arrangement_2    arr2;
>
>    read(arr2, in_file2, formatter);
>    in_file2.close();
>    assert(arr2.is_valid());
>
>    Naive_pl    naive_pl2(arr2);
>
>        point_location_query(naive_pl2, source);
>    ...
>
> The ouput is: The point is located inside the UNBOUNDED face
>                        The point is located inside the BOUNDED face
>
> But it is the same point: source
> If I use naive_pl for the second point_location_query again, like this:
>
>        point_location_query(naive_pl, source);
>
> everything is ok.
>
> Any idea anybody ?
>
> Thanks,
> paul
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