Method cloneRegion

source/MRMesh/MRMesh.cpp:390–411

}

Mesh Mesh::cloneRegion( const FaceBitSet & region, bool flipOrientation, const PartMapping & map ) const
{
    MR_TIMER;

    Mesh res;
    const auto fcount = region.count();
    res.topology.faceReserve( fcount );
    const auto vcount = getIncidentVerts( topology, region ).count();
    res.topology.vertReserve( vcount );
    const auto ecount = 2 * getIncidentEdges( topology, region ).count();
    res.topology.edgeReserve( ecount );

    res.addMeshPart( { *this, &region }, flipOrientation, {}, {}, map );

    assert( res.topology.faceSize() == fcount );
    assert( res.topology.faceCapacity() == fcount );
    assert( res.topology.vertSize() == vcount );
    assert( res.topology.vertCapacity() == vcount );
    assert( res.topology.edgeSize() == ecount );
    assert( res.topology.edgeCapacity() == ecount );
    return res;
}

void Mesh::pack( FaceMap * outFmap, VertMap * outVmap, WholeEdgeMap * outEmap, bool rearrangeTriangles )
{