radial_basis_interpolation.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_RADIAL_BASIS_INTERPOLATION_H
21 #define LIBMESH_RADIAL_BASIS_INTERPOLATION_H
22 
23 // Local includes
24 #include "libmesh/libmesh_config.h"
25 #include "libmesh/libmesh_common.h"
28 #include "libmesh/mesh_tools.h"
29 
30 
31 
32 namespace libMesh
33 {
37 template <unsigned int KDDim, class RBF = WendlandRBF<KDDim, 2> >
39 {
46 
47 protected:
48 
53 
57  std::vector<Number> _weights;
58 
63 
68 
69 public:
70 
75  Real radius=-1) :
76  InverseDistanceInterpolation<KDDim> (comm,8,2),
77  _r_bbox(0.),
78  _r_override(radius)
79  { libmesh_experimental(); }
80 
85  virtual void clear();
86 
90  virtual void prepare_for_use ();
91 
96  virtual void interpolate_field_data (const std::vector<std::string> &field_names,
97  const std::vector<Point> &tgt_pts,
98  std::vector<Number> &tgt_vals) const;
99 
100 };
101 
102 } // namespace libMesh
103 
104 
105 #endif // #define LIBMESH_RADIAL_BASIS_INTERPOLATION_H

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