Method extract

source/MRMesh/MRExtractIsolines.cpp:228–248

}

IsoLines Isoliner::extract()
{
    MR_TIMER;
    activeEdges_.clear();
    activeEdges_.resize( topology_.undirectedEdgeSize() );
    BitSetParallelForAll( activeEdges_, [&]( UndirectedEdgeId ue )
    {
        VertId o = topology_.org( ue );
        if ( !o )
            return;
        VertId d = topology_.dest( ue );
        if ( !d )
            return;
        auto no = negativeVerts_.test( o );
        auto nd = negativeVerts_.test( d );
        if ( no != nd && ( !region_ || contains( *region_, topology_.left( ue ) ) || contains( *region_, topology_.right( ue ) ) ) )
            activeEdges_.set( ue );
    } );

    return extract_();
}

IsoLines Isoliner::extract_()
{