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Some Formatting improvements (?)
author gedeone-octave <marcovass89@hotmail.it>
date Sat, 12 Oct 2013 16:06:00 +0100
parents 5fe2a157f4eb
children 66071811eef8
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1 /*
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2 Copyright (C) 2013 Marco Vassallo <gedeone-octave@users.sourceforge.net>
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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
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6 Foundation; either version 3 of the License, or (at your option) any later
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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
d3c29e38e5d2 New naming convention adopted and Polymorphism for plot and save.
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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>
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55 & mshd = msho.get_pmsh ();
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56 dolfin::plot (*mshd);
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57 dolfin::interactive ();
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58 retval = 0;
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59 }
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60 }
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61
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62 else if (nargin == 2)
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63 {
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64 Array <double> myu = args(1).array_value ();
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65
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66 if (!error_state)
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67 {
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68 const dolfin::Mesh & mshd = msho.get_msh ();
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69 boost::shared_ptr <const dolfin::FunctionSpace> V;
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70 uint D = mshd.topology ().dim ();
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71 if (D == 2)
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72 {
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73 boost::shared_ptr <const dolfin::FunctionSpace>
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74 Vt (new Plot_2d::FunctionSpace (mshd));
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75 V = Vt;
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76 }
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77
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78 else if(D == 3)
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79 {
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80 boost::shared_ptr <const dolfin::FunctionSpace>
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81 Vt (new Plot_3d::FunctionSpace (mshd));
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82 V = Vt;
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83 }
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84
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85 else
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86 error ("Plot: The size of the mesh must be 2 or 3");
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87
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88
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89 if (V->dim () != myu.length ())
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90 error ("Plot: The size of the functional space\
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91 and the size of the vector must agree");
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92 else
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93 {
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94 dolfin::Vector du(myu.length ());
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95 for (std::size_t i = 0; i < myu.length (); ++i)
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96 du.setitem (i, myu(i));
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97
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98 boost::shared_ptr<dolfin::Vector>
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99 uu (new dolfin::Vector(du));
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100
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101 boost::shared_ptr <const dolfin::Function>
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102 u (new dolfin::Function(V, uu));
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103
128
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104 dolfin::plot (*u);
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105 dolfin::interactive ();
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106
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107 retval = 0;
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108 }
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109 }
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110 }
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111 }
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112
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113 }
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114 return retval;
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115 }