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Subject: Re: [geometry] boost::geometry::difference problem
From: Barend Gehrels (barend_at_[hidden])
Date: 2012-10-15 17:19:19

Hi H2,

> I traced a program,
> Was found to be a pattern that is not supported by
> boost::geometry::detail::overlay::sort_in_cluster::operator().
> (geometry/algorithms/detail/overlay/handle_tangencies.hpp)
> The pattern that developed is "ix/xi".
> Will you know a correspondence method for this behavior?
> If there is advice, I am happy,
> and sorry for my english (not a native speaker. Therefore, I'm using a
> language translation service google.)

> 2 patterns that I know,
> only that the problem could be avoided if giving priority to the "ix",
> It will be only the reference level, you will be reported.
> Once, I try to find other cases.

Thanks again for your report, and your trace was exactly right. The
problem was ix/xi which was not yet handled. It is fixed now (in Trunk).
If you find similar cases, they are very welcome.

Regards, Barend

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