postscript_io.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 
19 
20 #ifndef LIBMESH_POSTSCRIPT_IO_H
21 #define LIBMESH_POSTSCRIPT_IO_H
22 
23 // Local includes
24 #include "libmesh/libmesh_common.h"
25 #include "libmesh/mesh_output.h"
26 //#include "libmesh/dense_matrix.h"
27 #include "libmesh/point.h"
28 
29 // C++ includes
30 #include <fstream>
31 #include <sstream>
32 #include <vector>
33 
34 namespace libMesh
35 {
36 
37 // Forward declarations
38 class MeshBase;
39 class Elem;
40 
52 class PostscriptIO : public MeshOutput<MeshBase>
53 {
54  public:
58  explicit
59  PostscriptIO (const MeshBase& mesh);
60 
64  virtual ~PostscriptIO ();
65 
69  virtual void write (const std::string& );
70 
80 
88 
92  void plot_quadratic_elem(const Elem* elem);
93 
97  void plot_linear_elem(const Elem* elem);
98 
99 private:
105  void _compute_edge_bezier_coeffs(const Elem* elem);
106 
112  //DenseMatrix<float> _M;
113  static const float _bezier_transform[3][3];
114 
119  std::vector<Point> _bezier_coeffs;
120 
125 
130 
135 
141  std::ostringstream _cell_string;
142 
146  std::ofstream _out;
147 };
148 
149 } // namespace libMesh
150 
151 #endif // LIBMESH_POSTSCRIPT_IO_H

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