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Re: [cgal-discuss] CGAL::Euler::collapse_edge use on CGAL::Surface_mesh


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  • From: Iasonm <>
  • To:
  • Subject: Re: [cgal-discuss] CGAL::Euler::collapse_edge use on CGAL::Surface_mesh
  • Date: Mon, 11 Sep 2017 01:37:32 -0700 (MST)
  • Authentication-results: mail2-smtp-roc.national.inria.fr; spf=None ; spf=SoftFail ; spf=Pass
  • Ironport-phdr: 9a23:yh2CbBNgsw3eBkvYF3Il6mtUPXoX/o7sNwtQ0KIMzox0K/n5rarrMEGX3/hxlliBBdydsK0UzbeO+4nbGkU+or+5+EgYd5JNUxJXwe43pCcHRPC/NEvgMfTxZDY7FskRHHVs/nW8LFQHUJ2mPw6a8TWO6msZFRz7cAZ0Pe/oAZX6jsKt1un09YeATR9PgW+caKh1KhD++RzIqs4SjI1vAqk0wxrN5HBPfrIFlitTOVuPkkOktY+L95l5/nEItg==

auto h_range = CGAL::halfedges_around_source(someVertex, m_M);
for (auto it = h_range.begin(); it != h_range.end(); it++) {
//or for(auto hei:h_range){
auto hei = *it;
//..
}

the above code runs for ever and hei oscillates in the loop between two
values. This happens after I have collapsed several edges, consequently I
wonder whether by calling CGAL::Euler::collapse_edge I brake the mesh in
some way and the call to CGAL::halfedges_around_source returns a range
without an ending..



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