Mercurial > fem-fenics-eugenio
annotate src/plot_mesh.cc @ 151:5fe2a157f4eb
Update GPL to v3
author | gedeone-octave <marcovass89@hotmail.it> |
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date | Wed, 11 Sep 2013 08:50:35 +0200 |
parents | d003a8d6ac58 |
children | 9e944b0d0fc8 |
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1 /* |
151 | 2 Copyright (C) 2013 Marco Vassallo <gedeone-octave@users.sourceforge.net> |
128
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3 |
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4 This program is free software; you can redistribute it and/or modify it under |
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5 the terms of the GNU General Public License as published by the Free Software |
151 | 6 Foundation; either version 3 of the License, or (at your option) any later |
128
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7 version. |
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8 |
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9 This program is distributed in the hope that it will be useful, but WITHOUT |
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10 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
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12 details. |
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13 |
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14 You should have received a copy of the GNU General Public License along with |
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15 this program; if not, see <http://www.gnu.org/licenses/>. |
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16 */ |
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17 |
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18 #include "function.h" |
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19 #include "mesh.h" |
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20 #include "Plot_2d.h" |
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21 #include "Plot_3d.h" |
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22 |
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23 DEFUN_DLD (plot, args, , "-*- texinfo -*-\n\ |
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24 @deftypefn {Function File} \ |
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25 plot (@var{Mesh}, @var{Nodal_Values}(OPTIONAL))\n\ |
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26 The input parameter is the mesh and optionally also a vector representing\ |
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27 the values of a function at each node.\n\ |
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28 @seealso{Mesh, save}\n\ |
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29 @end deftypefn") |
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30 { |
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31 |
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32 int nargin = args.length (); |
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33 octave_value retval; |
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34 |
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35 if (nargin < 1 || nargin > 2) |
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36 print_usage (); |
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37 else |
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38 { |
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39 if (! mesh_type_loaded) |
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40 { |
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41 mesh::register_type (); |
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42 mesh_type_loaded = true; |
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43 mlock (); |
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44 } |
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45 |
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46 if (args(0).type_id () == mesh::static_type_id ()) |
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47 { |
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48 const mesh & msho = static_cast<const mesh&> (args(0).get_rep ()); |
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49 |
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50 if (nargin == 1) |
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51 { |
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52 if (!error_state) |
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53 { |
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54 const boost::shared_ptr<const dolfin::Mesh> & mshd = msho.get_pmsh (); |
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55 dolfin::plot (*mshd); |
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56 dolfin::interactive (); |
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57 retval = 0; |
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58 } |
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59 } |
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60 |
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61 else if (nargin == 2) |
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62 { |
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63 Array <double> myu = args(1).array_value (); |
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64 |
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65 if (!error_state) |
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66 { |
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67 const dolfin::Mesh & mshd = msho.get_msh (); |
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68 boost::shared_ptr <const dolfin::FunctionSpace> V; |
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69 uint D = mshd.topology ().dim (); |
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70 if (D == 2) |
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71 { |
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72 boost::shared_ptr <const dolfin::FunctionSpace> Vt (new Plot_2d::FunctionSpace (mshd)); |
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73 V = Vt; |
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74 } |
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75 |
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76 else if(D == 3) |
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77 { |
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78 boost::shared_ptr <const dolfin::FunctionSpace> Vt (new Plot_3d::FunctionSpace (mshd)); |
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79 V = Vt; |
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80 } |
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81 |
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82 else |
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83 error ("Plot: The size of the mesh must be 2 or 3"); |
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84 |
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85 |
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86 if (V->dim () != myu.length ()) |
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87 error ("Plot: The size of the functional space and of the vector must agree"); |
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88 else |
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89 { |
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90 dolfin::Vector du(myu.length ()); |
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91 for (std::size_t i = 0; i < myu.length (); ++i) |
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92 du.setitem (i, myu(i)); |
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93 |
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94 boost::shared_ptr<dolfin::Vector> uu (new dolfin::Vector(du)); |
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95 boost::shared_ptr <const dolfin::Function> u (new dolfin::Function(V, uu)); |
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96 dolfin::plot (*u); |
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97 dolfin::interactive (); |
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98 retval = 0; |
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99 } |
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100 } |
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101 } |
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102 } |
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103 |
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104 } |
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105 return retval; |
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106 } |