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fix Mirror for second-order meshes
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@ -7129,6 +7129,7 @@ namespace netgen
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return fabs(v*n_plane) < eps;
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};
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/*
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auto mirror = [&] (PointIndex pi) -> PointIndex
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{
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auto & p = m[pi];
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@ -7151,14 +7152,51 @@ namespace netgen
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for(auto pi : Range(points))
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point_map[pi] = mirror(pi);
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*/
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Array<PointIndex, PointIndex> point_map(GetNP());
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Array<PointIndex, PointIndex> point_map1(GetNP());
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nm.Points().SetSize(0);
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for(auto pi : Range(points))
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{
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auto & p = m[pi];
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auto v = p_plane-p;
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auto l = v.Length();
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if(l < eps || fabs(v*n_plane)/l < eps)
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{
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auto npi = nm.AddPoint(p, p.GetLayer(), p.Type());
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point_map[pi] = npi;
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point_map1[pi] = npi;
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}
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else
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{
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auto new_point = p + 2*(v*n_plane)*n_plane;
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point_map1[pi] = nm.AddPoint(p, p.GetLayer(), p.Type());
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point_map[pi] = nm.AddPoint( new_point, p.GetLayer(), p.Type() );
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}
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}
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for(auto & el : nm.VolumeElements())
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for(auto i : Range(el.GetNP()))
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el[i] = point_map1[el[i]];
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for(auto & el : nm.SurfaceElements())
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for(auto i : Range(el.GetNP()))
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el[i] = point_map1[el[i]];
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for(auto & el : nm.LineSegments())
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for(auto i : Range(el.GetNP()))
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el[i] = point_map1[el[i]];
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for(auto & el : VolumeElements())
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{
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auto nel = el;
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for(auto i : Range(el.GetNP()))
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nel[i] = point_map[el[i]];
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nm.AddVolumeElement(nel);
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}
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{
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auto nel = el;
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for(auto i : Range(el.GetNP()))
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nel[i] = point_map[el[i]];
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nm.AddVolumeElement(nel);
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}
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for (auto ei : Range(SurfaceElements()))
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{
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