mirror of
https://github.com/NGSolve/netgen.git
synced 2024-11-14 10:08:32 +05:00
281 lines
7.0 KiB
C++
281 lines
7.0 KiB
C++
NGX_INLINE DLL_HEADER Ng_Point Ngx_Mesh :: GetPoint (int nr) const
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{
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return Ng_Point (&mesh->Point(PointIndex(nr+PointIndex::BASE))(0));
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}
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template <>
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NGX_INLINE DLL_HEADER int Ngx_Mesh :: GetElementIndex<0> (size_t nr) const
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{
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return (*mesh).pointelements[nr].index;
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}
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template <>
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NGX_INLINE DLL_HEADER int Ngx_Mesh :: GetElementIndex<1> (size_t nr) const
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{
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if(mesh->GetDimension()==3)
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return (*mesh)[SegmentIndex(nr)].edgenr;
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else
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return (*mesh)[SegmentIndex(nr)].si;
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}
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template <>
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NGX_INLINE DLL_HEADER int Ngx_Mesh :: GetElementIndex<2> (size_t nr) const
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{
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int ind = (*mesh)[SurfaceElementIndex(nr)].GetIndex();
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return mesh->GetFaceDescriptor(ind).BCProperty();
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}
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template <>
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NGX_INLINE DLL_HEADER int Ngx_Mesh :: GetElementIndex<3> (size_t nr) const
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{
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return (*mesh)[ElementIndex(nr)].GetIndex();
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}
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template <>
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NGX_INLINE DLL_HEADER Ng_Element Ngx_Mesh :: GetElement<0> (size_t nr) const
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{
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const Element0d & el = mesh->pointelements[nr];
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Ng_Element ret;
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ret.type = NG_PNT;
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ret.index = el.index;
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ret.points.num = 1;
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ret.points.ptr = (int*)&el.pnum;
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ret.vertices.num = 1;
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ret.vertices.ptr = (int*)&el.pnum;
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ret.edges.num = 0;
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ret.edges.ptr = NULL;
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ret.faces.num = 0;
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ret.faces.ptr = NULL;
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return ret;
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}
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template <>
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NGX_INLINE DLL_HEADER Ng_Element Ngx_Mesh :: GetElement<1> (size_t nr) const
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{
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const Segment & el = mesh->LineSegment (SegmentIndex(nr));
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Ng_Element ret;
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ret.type = NG_ELEMENT_TYPE(el.GetType());
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if(mesh->GetDimension()==3)
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ret.index = el.edgenr;
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else
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ret.index = el.si;
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if (mesh->GetDimension() == 2)
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ret.mat = mesh->GetBCNamePtr(el.si-1);
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else
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{
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if (mesh->GetDimension() == 3)
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ret.mat = mesh->GetCD2NamePtr(el.edgenr-1);
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else
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ret.mat = nullptr;
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}
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ret.points.num = el.GetNP();
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ret.points.ptr = (int*)&(el[0]);
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ret.vertices.num = 2;
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ret.vertices.ptr = (int*)&(el[0]);
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ret.edges.num = 1;
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ret.edges.ptr = (T_EDGE2*)mesh->GetTopology().GetSegmentElementEdgesPtr (nr);
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ret.faces.num = 0;
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ret.faces.ptr = NULL;
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if (mesh->GetDimension() == 2)
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{
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ret.facets.num = 1;
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ret.facets.base = 0;
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ret.facets.ptr = (int*)ret.edges.ptr;
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}
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else
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{
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ret.facets.num = 2;
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ret.facets.base = 1;
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ret.facets.ptr = (int*)&(el[0]);
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}
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// ret.is_curved = mesh->GetCurvedElements().IsSegmentCurved(nr);
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ret.is_curved = el.IsCurved();
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return ret;
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}
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template <>
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NGX_INLINE DLL_HEADER Ng_Element Ngx_Mesh :: GetElement<2> (size_t nr) const
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{
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// const Element2d & el = mesh->SurfaceElement (SurfaceElementIndex (nr));
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const Element2d & el = mesh->SurfaceElements()[nr];
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Ng_Element ret;
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ret.type = NG_ELEMENT_TYPE(el.GetType());
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const FaceDescriptor & fd = mesh->GetFaceDescriptor(el.GetIndex());
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ret.index = fd.BCProperty();
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if (mesh->GetDimension() == 3)
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ret.mat = &fd.GetBCName();
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else
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ret.mat = mesh -> GetMaterialPtr(ret.index);
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ret.points.num = el.GetNP();
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ret.points.ptr = (int*)&el[0];
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ret.vertices.num = el.GetNV();
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ret.vertices.ptr = (int*)&(el[0]);
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ret.edges.num = MeshTopology::GetNEdges (el.GetType());
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ret.edges.ptr = (T_EDGE2*)mesh->GetTopology().GetSurfaceElementEdgesPtr (nr);
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ret.faces.num = MeshTopology::GetNFaces (el.GetType());
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ret.faces.ptr = (T_FACE2*)mesh->GetTopology().GetSurfaceElementFacesPtr (nr);
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if (mesh->GetDimension() == 3)
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{
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ret.facets.num = ret.faces.num;
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ret.facets.base = 0;
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ret.facets.ptr = (int*)ret.faces.ptr;
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}
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else
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{
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ret.facets.num = ret.edges.num;
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ret.facets.base = 0;
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ret.facets.ptr = (int*)ret.edges.ptr;
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}
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ret.is_curved = el.IsCurved();
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return ret;
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}
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template <>
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NGX_INLINE DLL_HEADER Ng_Element Ngx_Mesh :: GetElement<3> (size_t nr) const
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{
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// const Element & el = mesh->VolumeElement (ElementIndex (nr));
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const Element & el = mesh->VolumeElements()[nr];
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Ng_Element ret;
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ret.type = NG_ELEMENT_TYPE(el.GetType());
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ret.index = el.GetIndex();
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ret.mat = mesh -> GetMaterialPtr(ret.index);
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ret.points.num = el.GetNP();
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ret.points.ptr = (int*)&el[0];
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ret.vertices.num = el.GetNV();
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ret.vertices.ptr = (int*)&(el[0]);
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ret.edges.num = MeshTopology::GetNEdges (el.GetType());
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ret.edges.ptr = (T_EDGE2*)mesh->GetTopology().GetElementEdgesPtr (nr);
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ret.faces.num = MeshTopology::GetNFaces (el.GetType());
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ret.faces.ptr = (T_FACE2*)mesh->GetTopology().GetElementFacesPtr (nr);
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ret.facets.num = ret.faces.num;
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ret.facets.base = 0;
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ret.facets.ptr = (int*)ret.faces.ptr;
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ret.is_curved = el.IsCurved();
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return ret;
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}
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template <> NGX_INLINE DLL_HEADER
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const string & Ngx_Mesh :: GetMaterialCD<0> (int region_nr) const
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{
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return mesh->GetMaterial(region_nr+1);
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}
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template <> NGX_INLINE DLL_HEADER
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const string & Ngx_Mesh :: GetMaterialCD<1> (int region_nr) const
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{
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return mesh->GetBCName(region_nr);
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}
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template <> NGX_INLINE DLL_HEADER
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const string & Ngx_Mesh :: GetMaterialCD<2> (int region_nr) const
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{
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return mesh->GetCD2Name(region_nr);
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}
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template <> NGX_INLINE DLL_HEADER int Ngx_Mesh :: GetNNodes<1> ()
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{
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return mesh->GetTopology().GetNEdges();
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}
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template <> NGX_INLINE DLL_HEADER int Ngx_Mesh :: GetNNodes<2> ()
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{
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return mesh->GetTopology().GetNFaces();
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}
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template <> NGX_INLINE DLL_HEADER const Ng_Node<0> Ngx_Mesh :: GetNode<0> (int vnr) const
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{
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Ng_Node<0> node;
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vnr++;
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switch (mesh->GetDimension())
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{
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case 3:
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{
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FlatArray<ElementIndex> ia = mesh->GetTopology().GetVertexElements(vnr);
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node.elements.ne = ia.Size();
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node.elements.ptr = (int*)&ia[0];
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FlatArray<SurfaceElementIndex> bia = mesh->GetTopology().GetVertexSurfaceElements(vnr);
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node.bnd_elements.ne = bia.Size();
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node.bnd_elements.ptr = (int*)&bia[0];
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break;
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}
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case 2:
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{
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FlatArray<SurfaceElementIndex> ia = mesh->GetTopology().GetVertexSurfaceElements(vnr);
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node.elements.ne = ia.Size();
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node.elements.ptr = (int*)&ia[0];
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FlatArray<SegmentIndex> bia = mesh->GetTopology().GetVertexSegments(vnr);
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node.bnd_elements.ne = bia.Size();
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node.bnd_elements.ptr = (int*)&bia[0];
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break;
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}
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case 1:
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{
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FlatArray<SegmentIndex> ia = mesh->GetTopology().GetVertexSegments(vnr);
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node.elements.ne = ia.Size();
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node.elements.ptr = (int*)&ia[0];
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FlatArray<int> bia = mesh->GetTopology().GetVertexPointElements(vnr);
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node.bnd_elements.ne = bia.Size();
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node.bnd_elements.ptr = (int*)&bia[0];
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break;
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}
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default:
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;
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}
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return node;
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}
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template <> NGX_INLINE DLL_HEADER const Ng_Node<1> Ngx_Mesh :: GetNode<1> (int nr) const
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{
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Ng_Node<1> node;
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node.vertices.ptr = mesh->GetTopology().GetEdgeVerticesPtr(nr);
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return node;
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}
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template <> NGX_INLINE DLL_HEADER const Ng_Node<2> Ngx_Mesh :: GetNode<2> (int nr) const
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{
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Ng_Node<2> node;
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node.vertices.ptr = mesh->GetTopology().GetFaceVerticesPtr(nr);
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node.vertices.nv = (node.vertices.ptr[3] == 0) ? 3 : 4;
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node.surface_el = mesh->GetTopology().GetFace2SurfaceElement (nr+1)-1;
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return node;
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}
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