CGAL users discussion list

[Belén <>]

Thanks a lot!!
This is a great idea! I think this might be the problem. I convert to smaller types between operations.
I'll try your solution!!
Regards and thanks again.

Belén.

> Date: Thu, 5 Dec 2013 08:14:30 -0800
> From:
> To:
> Subject: Re: [cgal-discuss] Join polygons after using intersection and difference.
>
> Hi,
>
> Have you checked all conversions between inexact values (like double) and
> exact values (like CGAL::gmpq)?
>
> In particular, you should check that when you're importing inexact geometric
> data from files, you must convert them into exact representation and then
> only use this exact representation. Convert them back in inexact
> representation *only* for display / export purposes.
>
> I've already done this kind of mistake:
>
> My_inexact_structure a = import_from_file("...")
> CGAL::Exact_structure b = convert_to_exact(a)
> CGAL::Exact_structure c = CGAL::apply_some_algorithm(b)
> My_inexact_structure d = convert_to_inexact(c)
> display(d)
> CGAL::Exact_structure e = convert_to_exact(d) // Gives cgal assertion
> violation or some indesirable stuff
>
> I hope this advice to be helpful for solving your problem.
> Regards,
>
> Hugo Loi
> PhD student at Inria - Maverick team
>
>
>
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> View this message in context: http://cgal-discuss.949826.n4.nabble.com/Join-polygons-after-using-intersection-and-difference-tp4658509p4658522.html
> Sent from the cgal-discuss mailing list archive at Nabble.com.
>
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