mesh_triangle_holes.h
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1 // The libMesh Finite Element Library.
2 // Copyright (C) 2002-2014 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
3 
4 // This library is free software; you can redistribute it and/or
5 // modify it under the terms of the GNU Lesser General Public
6 // License as published by the Free Software Foundation; either
7 // version 2.1 of the License, or (at your option) any later version.
8 
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 // Lesser General Public License for more details.
13 
14 // You should have received a copy of the GNU Lesser General Public
15 // License along with this library; if not, write to the Free Software
16 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 
18 #ifndef LIBMESH_MESH_TRIANGLE_HOLES_H
19 #define LIBMESH_MESH_TRIANGLE_HOLES_H
20 
21 #include "libmesh/libmesh_config.h"
22 
23 #ifdef LIBMESH_HAVE_TRIANGLE
24 
25 // Local includes
27 #include "libmesh/point.h"
28 
29 // C++ includes
30 
31 namespace libMesh
32 {
33 
41  {
42  public:
46  Hole() {}
47 
51  virtual ~Hole() {}
52 
56  virtual unsigned int n_points() const = 0;
57 
61  virtual Point point(const unsigned int n) const = 0;
62 
66  virtual Point inside() const = 0;
67  };
68 
69 
70 
71 
72 
78  {
79  public:
85  PolygonHole(Point center, Real radius, unsigned int n_points);
86 
87  virtual unsigned int n_points() const;
88 
89  virtual Point point(const unsigned int n) const;
90 
91  virtual Point inside() const;
92 
93  private:
98 
103 
109  unsigned int _n_points;
110  };
111 
112 
113 
114 
123  {
124  public:
129  ArbitraryHole(const Point center,
130  const std::vector<Point>& points);
131 
132  virtual unsigned int n_points() const;
133 
134  virtual Point point(const unsigned int n) const;
135 
136  virtual Point inside() const;
137 
138  private:
143 
148  const std::vector<Point>& _points;
149  };
150 
151 } // namespace libMesh
152 
153 #endif // LIBMESH_HAVE_TRIANGLE
154 
155 #endif // LIBMESH_MESH_TRIANGLE_HOLES_H

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