Developer Documentation
TetrahedralCuboidGenerator.hh
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49 
50 #pragma once
51 
52 #include <ObjectTypes/PolyhedralMesh/PolyhedralMesh.hh>
53 
54 struct SortedFace
55 {
56  explicit SortedFace(std::vector<OpenVolumeMesh::VertexHandle> const& face)
57  : v(face)
58  {
59  std::sort(v.begin(), v.end());
60  }
61 
62  SortedFace(OpenVolumeMesh::VertexHandle v1,
63  OpenVolumeMesh::VertexHandle v2,
64  OpenVolumeMesh::VertexHandle v3)
65  : v(3)
66  {
67  v[0] = v1;
68  v[1] = v2;
69  v[2] = v3;
70  std::sort(v.begin(), v.end());
71  }
72 
73  std::vector<OpenVolumeMesh::VertexHandle> v;
74 };
75 
76 inline bool operator<(SortedFace const& f1, SortedFace const& f2)
77 {
78  return std::lexicographical_compare(f1.v.begin(), f1.v.end(),
79  f2.v.begin(), f2.v.end());
80 }
81 
82 class TetrahedralCuboidGenerator
83 {
84 public:
85  TetrahedralCuboidGenerator(PolyhedralMesh& mesh, Vector const& position, Vector const& length,
86  unsigned const n_x, unsigned const n_y, unsigned const n_z);
87 
88 private:
89  void add_vertices(Vector const& position, Vector const& length);
90  void get_cube_vertices(std::size_t i, std::size_t j, std::size_t k,
91  std::vector<OpenVolumeMesh::VertexHandle>& v) const;
92 
93  void add_faces();
94  void add_cube_type_1_faces(std::size_t i, std::size_t j, std::size_t k,
95  std::vector<OpenVolumeMesh::VertexHandle> const& v);
96  void add_cube_type_2_faces(std::size_t i, std::size_t j, std::size_t k,
97  std::vector<OpenVolumeMesh::VertexHandle> const& v);
98 
99  void add_cells();
100  void add_cube_type_1_cells(std::size_t i, std::size_t j, std::size_t k,
101  std::vector<OpenVolumeMesh::VertexHandle> const& v);
102  void add_cube_type_2_cells(std::size_t i, std::size_t j, std::size_t k,
103  std::vector<OpenVolumeMesh::VertexHandle> const& v);
104 
105  PolyhedralMesh* mesh_;
106 
107  std::size_t size_[3];
108  std::vector<OpenVolumeMesh::VertexHandle> vertices_;
109  std::map<SortedFace, OpenVolumeMesh::FaceHandle> faces_;
110 };
111