mirror of
https://github.com/NGSolve/netgen.git
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92 lines
2.3 KiB
C++
92 lines
2.3 KiB
C++
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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(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<1> (int nr) const
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{
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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> (int 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> (int 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<1> (int 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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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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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> (int nr) const
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{
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const Element2d & el = mesh->SurfaceElement (SurfaceElementIndex (nr));
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Ng_Element ret;
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ret.type = NG_ELEMENT_TYPE(el.GetType());
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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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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> (int nr) const
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{
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const Element & el = mesh->VolumeElement (ElementIndex (nr));
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Ng_Element ret;
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ret.type = NG_ELEMENT_TYPE(el.GetType());
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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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return ret;
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}
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