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15 | <div><a href="../index.html">Home</a> > <a href="index.html">.</a> > read_civxdata.m</div> |
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16 | |
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17 | <!--<table width="100%"><tr><td align="left"><a href="../index.html"><img alt="<" border="0" src="../left.png"> Master index</a></td> |
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18 | <td align="right"><a href="index.html">Index for . <img alt=">" border="0" src="../right.png"></a></td></tr></table>--> |
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19 | |
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20 | <h1>read_civxdata |
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21 | </h1> |
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22 | |
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23 | <h2><a name="_name"></a>PURPOSE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2> |
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24 | <div class="box"><strong>'read_civxdata': reads civx data from netcdf files</strong></div> |
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25 | |
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26 | <h2><a name="_synopsis"></a>SYNOPSIS <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2> |
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27 | <div class="box"><strong>function [Field,VelTypeOut]=read_civxdata(filename,FieldNames,VelType) </strong></div> |
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28 | |
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29 | <h2><a name="_description"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2> |
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30 | <div class="fragment"><pre class="comment">'read_civxdata': reads civx data from netcdf files |
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31 | ------------------------------------------------------------------ |
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32 | COMBINE ET REMPLACE read_ncfield, read_vel et read_scalar_new |
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33 | ------------------------------------------------------------------ |
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34 | OUTPUT: |
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35 | nb_coord,nb_dim, |
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36 | Civ: =0 or 1, indicates whether the data is civ (A SUPPRIMER ?) |
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37 | CivStage: =0, ??? A UTILISER POUR REMPLACER civ |
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38 | =1, civ1 has been performed only |
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39 | =2, fix1 has been performed |
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40 | =3, pacth1 has been performed |
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41 | =4, civ2 has been performed |
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42 | =5, fix2 has been performed |
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43 | =6, pacth2 has been performed |
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44 | time: absolute time |
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45 | Field |
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46 | .Txt: (char string) error message if any |
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47 | .NbDim: number of dimensions (=0 by default) |
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48 | .NbCoord: number of vector components |
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49 | .CoordType: expresses the type of coordinate ('px' for image, 'sig' for instruments, or 'phys') |
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50 | .dt: time interval for the corresponding image pair |
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51 | .CivStage: =0, ??? A UTILISER POUR REMPLACER civ |
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52 | =1, civ1 has been performed only |
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53 | =2, fix1 has been performed |
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54 | =3, pacth1 has been performed |
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55 | =4, civ2 has been performed |
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56 | =5, fix2 has been performed |
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57 | =6, pacth2 has been performed |
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58 | .X, .Y, .Z: set of vector coordinates |
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59 | .U,.V,.W: corresponding set of vector components |
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60 | .F: warning flags |
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61 | .FF: false flag, =0 for good vectors |
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62 | .C: scalar associated with velocity (used for vector colors) |
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63 | .CoordType |
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64 | .DijU; matrix of spatial derivatives (DijU(1,1,:)=DUDX, |
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65 | DijU(1,2,:)=DUDY, Dij(2,1,:)=DVDX, DijU(2,2,:)=DVDY |
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66 | .A, .AX, .AY: additional scalar |
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67 | dt:time interval of the image pair red from a single file, or vector with</pre></div> |
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68 | |
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69 | <!-- crossreference --> |
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70 | <h2><a name="_cross"></a>CROSS-REFERENCE INFORMATION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2> |
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71 | This function calls: |
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72 | <ul style="list-style-image:url(../matlabicon.gif)"> |
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73 | <li><a href="nc2struct.html" class="code" title="function [Data,var_detect,ichoice]=nc2struct(nc,ListVarName)">nc2struct</a> 'nc2struct': transform a netcdf file in a corresponding matlab structure</li></ul> |
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74 | This function is called by: |
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75 | <ul style="list-style-image:url(../matlabicon.gif)"> |
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76 | <li><a href="RUN_FIX.html" class="code" title="function error=RUN_FIX(filename,field,flagindex,iter,thresh_vecC,flag_mask,maskname,thresh_vel,inf_sup,fileref,fieldref)">RUN_FIX</a> 'RUN_FIX': function for fixing velocity fields:</li><li><a href="RUN_STLIN.html" class="code" title="function RUN_STLIN(file_A,file_B,vel_type,file_st,nx_patch,ny_patch,thresh_patch,fileAxml,fileBxml)">RUN_STLIN</a> 'RUN_STLIN': combine velocity fields for stereo PIV</li><li><a href="series.html" class="code" title="function varargout = series(varargin)">series</a> 'series': master function associated to the GUI series.m for analysis field series</li><li><a href="uvmat.html" class="code" title="function varargout = uvmat(varargin)">uvmat</a> 'uvmat': function associated with the GUI 'uvmat.fig' for images and data field visualization</li></ul> |
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77 | <!-- crossreference --> |
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78 | |
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79 | <h2><a name="_subfunctions"></a>SUBFUNCTIONS <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2> |
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80 | <ul style="list-style-image:url(../matlabicon.gif)"> |
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81 | <li><a href="#_sub1" class="code">function [var,role,units,vel_type_out]=varcivx_generator(FieldNames,vel_type)</a></li><li><a href="#_sub2" class="code">function varin=varname1(vel_type,FieldNames)</a></li></ul> |
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82 | <h2><a name="_source"></a>SOURCE CODE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2> |
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83 | <div class="fragment"><pre>0001 <span class="comment">%'read_civxdata': reads civx data from netcdf files</span> |
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84 | 0002 <span class="comment">%------------------------------------------------------------------</span> |
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85 | 0003 <span class="comment">% COMBINE ET REMPLACE read_ncfield, read_vel et read_scalar_new</span> |
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86 | 0004 <span class="comment">%------------------------------------------------------------------</span> |
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87 | 0005 <span class="comment">% OUTPUT:</span> |
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88 | 0006 <span class="comment">% nb_coord,nb_dim,</span> |
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89 | 0007 <span class="comment">% Civ: =0 or 1, indicates whether the data is civ (A SUPPRIMER ?)</span> |
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90 | 0008 <span class="comment">% CivStage: =0, ??? A UTILISER POUR REMPLACER civ</span> |
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91 | 0009 <span class="comment">% =1, civ1 has been performed only</span> |
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92 | 0010 <span class="comment">% =2, fix1 has been performed</span> |
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93 | 0011 <span class="comment">% =3, pacth1 has been performed</span> |
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94 | 0012 <span class="comment">% =4, civ2 has been performed</span> |
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95 | 0013 <span class="comment">% =5, fix2 has been performed</span> |
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96 | 0014 <span class="comment">% =6, pacth2 has been performed</span> |
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97 | 0015 <span class="comment">% time: absolute time</span> |
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98 | 0016 <span class="comment">% Field</span> |
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99 | 0017 <span class="comment">% .Txt: (char string) error message if any</span> |
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100 | 0018 <span class="comment">% .NbDim: number of dimensions (=0 by default)</span> |
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101 | 0019 <span class="comment">% .NbCoord: number of vector components</span> |
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102 | 0020 <span class="comment">% .CoordType: expresses the type of coordinate ('px' for image, 'sig' for instruments, or 'phys')</span> |
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103 | 0021 <span class="comment">% .dt: time interval for the corresponding image pair</span> |
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104 | 0022 <span class="comment">% .CivStage: =0, ??? A UTILISER POUR REMPLACER civ</span> |
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105 | 0023 <span class="comment">% =1, civ1 has been performed only</span> |
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106 | 0024 <span class="comment">% =2, fix1 has been performed</span> |
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107 | 0025 <span class="comment">% =3, pacth1 has been performed</span> |
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108 | 0026 <span class="comment">% =4, civ2 has been performed</span> |
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109 | 0027 <span class="comment">% =5, fix2 has been performed</span> |
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110 | 0028 <span class="comment">% =6, pacth2 has been performed</span> |
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111 | 0029 <span class="comment">% .X, .Y, .Z: set of vector coordinates</span> |
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112 | 0030 <span class="comment">% .U,.V,.W: corresponding set of vector components</span> |
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113 | 0031 <span class="comment">% .F: warning flags</span> |
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114 | 0032 <span class="comment">% .FF: false flag, =0 for good vectors</span> |
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115 | 0033 <span class="comment">% .C: scalar associated with velocity (used for vector colors)</span> |
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116 | 0034 <span class="comment">% .CoordType</span> |
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117 | 0035 <span class="comment">% .DijU; matrix of spatial derivatives (DijU(1,1,:)=DUDX,</span> |
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118 | 0036 <span class="comment">% DijU(1,2,:)=DUDY, Dij(2,1,:)=DVDX, DijU(2,2,:)=DVDY</span> |
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119 | 0037 <span class="comment">% .A, .AX, .AY: additional scalar</span> |
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120 | 0038 <span class="comment">% dt:time interval of the image pair red from a single file, or vector with</span> |
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121 | 0039 |
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122 | 0040 <span class="comment">% pixcmx,pixcmy: scaling factors (from the first file)</span> |
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123 | 0041 <span class="comment">% vel_type_out: string representing the selected velocity type (civ1,civ2,filter1...)</span> |
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124 | 0042 <span class="comment">%</span> |
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125 | 0043 <span class="comment">% INPUT:</span> |
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126 | 0044 <span class="comment">% filename: file name (string).</span> |
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127 | 0045 <span class="comment">% FieldNames =cell of field names to get, which can contain the strings:</span> |
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128 | 0046 <span class="comment">% 'ima_cor': image correlation, vec_c or vec2_C</span> |
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129 | 0047 <span class="comment">% 'vort','div','strain': requires velocity derivatives DUDX...</span> |
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130 | 0048 <span class="comment">% 'error': error estimate (vec_E or vec2_E)</span> |
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131 | 0049 <span class="comment">%</span> |
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132 | 0050 <span class="comment">% VelType : character string indicating the types of velocity fields to read ('civ1','civ2'...)</span> |
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133 | 0051 <span class="comment">% if vel_type=[] or'*', a priority choice, given by vel_type_out{1,2}, is done depending</span> |
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134 | 0052 <span class="comment">% if vel_type='filter'; a structured field is sought (filter2 in priority, then filter1)</span> |
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135 | 0053 |
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136 | 0054 |
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137 | 0055 <span class="comment">% FUNCTIONS called:</span> |
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138 | 0056 <span class="comment">% 'varcivx_generator':, sets the names of vaiables to read in the netcdf file</span> |
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139 | 0057 <span class="comment">% 'nc2struct': reads a netcdf file</span> |
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140 | 0058 |
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141 | 0059 <a name="_sub0" href="#_subfunctions" class="code">function [Field,VelTypeOut]=read_civxdata(filename,FieldNames,VelType)</a> |
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142 | 0060 |
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143 | 0061 <span class="keyword">if</span> ~exist(<span class="string">'VelType'</span>,<span class="string">'var'</span>) |
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144 | 0062 VelType=[]; |
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145 | 0063 <span class="keyword">end</span> |
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146 | 0064 <span class="keyword">if</span> isequal(VelType,<span class="string">'*'</span>) |
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147 | 0065 VelType=[]; |
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148 | 0066 <span class="keyword">end</span> |
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149 | 0067 <span class="keyword">if</span> ~exist(<span class="string">'FieldNames'</span>,<span class="string">'var'</span>) |
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150 | 0068 FieldNames=[]; <span class="comment">%default</span> |
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151 | 0069 <span class="keyword">end</span> |
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152 | 0070 |
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153 | 0071 VelTypeOut=VelType;<span class="comment">%default</span> |
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154 | 0072 [var,role,units,vel_type_out_cell]=<a href="#_sub1" class="code" title="subfunction [var,role,units,vel_type_out]=varcivx_generator(FieldNames,vel_type)">varcivx_generator</a>(FieldNames,VelType);<span class="comment">%determine the names of constants and variables to read</span> |
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155 | 0073 [Field,vardetect,ichoice]=<a href="nc2struct.html" class="code" title="function [Data,var_detect,ichoice]=nc2struct(nc,ListVarName)">nc2struct</a>(filename,var); |
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156 | 0074 <span class="keyword">if</span> isfield(Field,<span class="string">'Txt'</span>) |
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157 | 0075 <span class="keyword">return</span> <span class="comment">% error in file reading</span> |
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158 | 0076 <span class="keyword">end</span> |
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159 | 0077 <span class="keyword">if</span> isequal(vardetect,0) |
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160 | 0078 Field.Txt=[FieldNames <span class="string">' not accessible in '</span> filename <span class="string">'/'</span> VelType]; |
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161 | 0079 <span class="keyword">return</span> |
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162 | 0080 <span class="keyword">end</span> |
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163 | 0081 var_ind=find(vardetect); |
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164 | 0082 <span class="keyword">for</span> ivar=1:length(var_ind) |
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165 | 0083 Field.VarAttribute{ivar}.Role=role{var_ind(ivar)}; |
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166 | 0084 <span class="comment">% Field.VarAttribute{ivar}.units=units{var_ind(ivar)};% not necessary: set with calc_field</span> |
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167 | 0085 <span class="keyword">end</span> |
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168 | 0086 VelTypeOut=VelType; |
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169 | 0087 <span class="keyword">if</span> ~isempty(ichoice) |
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170 | 0088 VelTypeOut=vel_type_out_cell{ichoice}; |
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171 | 0089 <span class="keyword">end</span> |
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172 | 0090 |
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173 | 0091 <span class="comment">%adjust for Djui:</span> |
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174 | 0092 <span class="keyword">if</span> isfield(Field,<span class="string">'DjUi'</span>) |
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175 | 0093 Field.ListVarName(end-2:end)=[]; |
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176 | 0094 Field.ListVarName{end}=<span class="string">'DjUi'</span>; |
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177 | 0095 Field.VarDimIndex(end-2:end)=[]; |
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178 | 0096 Field.VarAttribute(end-2:end)=[]; |
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179 | 0097 <span class="keyword">end</span> |
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180 | 0098 |
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181 | 0099 <span class="comment">%determine the appropriate constant for time and dt for the PIV pair</span> |
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182 | 0100 test_civ1=isequal(VelTypeOut,<span class="string">'civ1'</span>)||isequal(VelTypeOut,<span class="string">'interp1'</span>)||isequal(VelTypeOut,<span class="string">'filter1'</span>); |
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183 | 0101 test_civ2=isequal(VelTypeOut,<span class="string">'civ2'</span>)||isequal(VelTypeOut,<span class="string">'interp2'</span>)||isequal(VelTypeOut,<span class="string">'filter2'</span>); |
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184 | 0102 <span class="keyword">if</span> test_civ1 |
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185 | 0103 Field.Time=Field.absolut_time_T0; |
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186 | 0104 <span class="keyword">elseif</span> test_civ2 |
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187 | 0105 Field.Time=Field.absolut_time_T0_2; |
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188 | 0106 Field.dt=Field.dt2; |
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189 | 0107 <span class="keyword">else</span> |
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190 | 0108 Field.Txt=<span class="string">'the input file is not civx'</span>; |
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191 | 0109 display(Field.Txt) |
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192 | 0110 <span class="keyword">end</span> |
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193 | 0111 |
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194 | 0112 <span class="comment">% CivStage</span> |
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195 | 0113 <span class="keyword">if</span> isfield(Field,<span class="string">'patch2'</span>)&& isequal(Field.patch2,1) |
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196 | 0114 Field.CivStage=6; |
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197 | 0115 <span class="keyword">elseif</span> isfield(Field,<span class="string">'fix2'</span>)&& isequal(Field.fix2,1) |
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198 | 0116 Field.CivStage=5; |
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199 | 0117 <span class="keyword">elseif</span> isfield(Field,<span class="string">'civ2'</span>)&& isequal(Field.civ2,1) |
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200 | 0118 Field.CivStage=4; |
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201 | 0119 <span class="keyword">elseif</span> isfield(Field,<span class="string">'patch'</span>)&& isequal(Field.patch,1) |
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202 | 0120 Field.CivStage=3; |
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203 | 0121 <span class="keyword">elseif</span> isfield(Field,<span class="string">'fix'</span>)&& isequal(Field.fix,1) |
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204 | 0122 Field.CivStage=2; |
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205 | 0123 <span class="keyword">else</span> |
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206 | 0124 Field.CivStage=1; |
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207 | 0125 <span class="keyword">end</span> |
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208 | 0126 |
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209 | 0127 <span class="comment">%update list of global attributes</span> |
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210 | 0128 List=Field.ListGlobalAttribute; |
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211 | 0129 ind_remove=[]; |
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212 | 0130 <span class="keyword">for</span> ilist=1:length(List) |
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213 | 0131 <span class="keyword">switch</span>(List{ilist}) |
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214 | 0132 <span class="keyword">case</span> {<span class="string">'patch2'</span>,<span class="string">'fix2'</span>,<span class="string">'civ2'</span>,<span class="string">'patch'</span>,<span class="string">'fix'</span>,<span class="string">'dt2'</span>,<span class="string">'absolut_time_T0'</span>,<span class="string">'absolut_time_T0_2'</span>} |
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215 | 0133 ind_remove=[ind_remove ilist]; |
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216 | 0134 Field=rmfield(Field,List{ilist}); |
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217 | 0135 <span class="keyword">end</span> |
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218 | 0136 <span class="keyword">end</span> |
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219 | 0137 List(ind_remove)=[]; |
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220 | 0138 Field.ListGlobalAttribute=[List {<span class="string">'Time'</span>,<span class="string">'CivStage'</span>,<span class="string">'CoordUnit'</span>}]; |
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221 | 0139 |
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222 | 0140 <span class="comment">% rescale to pixel coordiantes</span> |
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223 | 0141 Field.U=Field.U*Field.pixcmx; |
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224 | 0142 Field.V=Field.V*Field.pixcmy; |
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225 | 0143 Field.X=Field.X*Field.pixcmx; |
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226 | 0144 Field.Y=Field.Y*Field.pixcmy; |
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227 | 0145 <span class="keyword">if</span> ~isequal(Field.dt,0) |
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228 | 0146 Field.U=Field.U*Field.dt;<span class="comment">%translate in px displacement</span> |
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229 | 0147 Field.V=Field.V*Field.dt; |
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230 | 0148 <span class="keyword">if</span> isfield(Field,<span class="string">'DjUi'</span>) |
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231 | 0149 Field.DjUi(:,1,1)=Field.dt*Field.DjUi(:,1,1); |
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232 | 0150 Field.DjUi(:,2,2)=Field.dt*Field.DjUi(:,2,2); |
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233 | 0151 Field.DjUi(:,1,2)=(Field.pixcmy/Field.pixcmx)*Field.dt*Field.DjUi(:,1,2); |
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234 | 0152 Field.DjUi(:,2,1)=(Field.pixcmx/Field.pixcmy)*Field.dt*Field.DjUi(:,2,1); |
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235 | 0153 <span class="keyword">end</span> |
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236 | 0154 <span class="keyword">end</span> |
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237 | 0155 Field.CoordType=<span class="string">'px'</span>;<span class="comment">% TODO: abandon, use COORdUnit instead ? (to adapt 'px' and 'phys')</span> |
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238 | 0156 Field.CoordUnit=<span class="string">'pixel'</span>; |
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239 | 0157 |
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240 | 0158 |
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241 | 0159 <span class="comment">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</span> |
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242 | 0160 <span class="comment">% [var,role,units,vel_type_out]=varcivx_generator(FieldNames,vel_type)</span> |
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243 | 0161 <span class="comment">%INPUT:</span> |
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244 | 0162 <span class="comment">% FieldNames =cell of field names to get, which can contain the strings:</span> |
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245 | 0163 <span class="comment">% 'ima_cor': image correlation, vec_c or vec2_C</span> |
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246 | 0164 <span class="comment">% 'vort','div','strain': requires velocity derivatives DUDX...</span> |
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247 | 0165 <span class="comment">% 'error': error estimate (vec_E or vec2_E)</span> |
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248 | 0166 <span class="comment">%</span> |
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249 | 0167 <span class="comment">% vel_type: character string indicating the types of velocity fields to read ('civ1','civ2'...)</span> |
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250 | 0168 <span class="comment">% if vel_type=[] or'*', a priority choice, given by vel_type_out{1,2}, is done depending</span> |
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251 | 0169 <span class="comment">% if vel_type='filter'; a structured field is sought (filter2 in priority, then filter1)</span> |
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252 | 0170 |
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253 | 0171 <a name="_sub1" href="#_subfunctions" class="code">function [var,role,units,vel_type_out]=varcivx_generator(FieldNames,vel_type) </a> |
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254 | 0172 |
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255 | 0173 <span class="comment">%default input values</span> |
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256 | 0174 <span class="keyword">if</span> ~exist(<span class="string">'vel_type'</span>,<span class="string">'var'</span>),vel_type=[];<span class="keyword">end</span>; |
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257 | 0175 <span class="keyword">if</span> iscell(vel_type),vel_type=vel_type{1}; <span class="keyword">end</span>;<span class="comment">%transform cell to string if needed</span> |
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258 | 0176 <span class="comment">% if ~exist('display','var'),display=[];end;</span> |
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259 | 0177 <span class="keyword">if</span> ~exist(<span class="string">'FieldNames'</span>,<span class="string">'var'</span>),FieldNames={<span class="string">'ima_cor'</span>};<span class="keyword">end</span>;<span class="comment">%default scalar</span> |
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260 | 0178 <span class="keyword">if</span> ischar(FieldNames), FieldNames={FieldNames}; <span class="keyword">end</span>; |
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261 | 0179 |
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262 | 0180 <span class="comment">%select the priority order for automatic vel_type selection</span> |
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263 | 0181 testder=0; |
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264 | 0182 <span class="keyword">for</span> ilist=1:length(FieldNames) |
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265 | 0183 <span class="keyword">if</span> ~isempty(FieldNames{ilist}) |
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266 | 0184 <span class="keyword">switch</span> FieldNames{ilist} |
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267 | 0185 <span class="keyword">case</span> {<span class="string">'vort'</span>,<span class="string">'div'</span>,<span class="string">'strain'</span>} |
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268 | 0186 testder=1; |
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269 | 0187 <span class="keyword">end</span> |
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270 | 0188 <span class="keyword">end</span> |
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271 | 0189 <span class="keyword">end</span> |
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272 | 0190 <span class="keyword">if</span> isempty(vel_type) || isequal(vel_type,<span class="string">'*'</span>) <span class="comment">%undefined velocity type (civ1,civ2...)</span> |
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273 | 0191 <span class="keyword">if</span> testder |
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274 | 0192 vel_type_out{1}=<span class="string">'filter2'</span>; <span class="comment">%priority to filter2 for scalar reading, filter1 as second</span> |
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275 | 0193 vel_type_out{2}=<span class="string">'filter1'</span>; |
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276 | 0194 <span class="keyword">else</span> |
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277 | 0195 vel_type_out{1}=<span class="string">'civ2'</span>; <span class="comment">%priority to civ2 for vector reading, civ1 as second priority</span> |
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278 | 0196 vel_type_out{2}=<span class="string">'civ1'</span>; |
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279 | 0197 <span class="keyword">end</span> |
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280 | 0198 <span class="keyword">elseif</span> isequal(vel_type,<span class="string">'filter'</span>) |
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281 | 0199 vel_type_out{1}=<span class="string">'filter2'</span>; <span class="comment">%priority to filter2 for scalar reading, filter1 as second</span> |
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282 | 0200 vel_type_out{2}=<span class="string">'filter1'</span>; |
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283 | 0201 <span class="keyword">if</span> ~testder |
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284 | 0202 vel_type_out{3}=<span class="string">'civ1'</span>;<span class="comment">%civ1 as third priority if derivatives are not needed</span> |
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285 | 0203 <span class="keyword">end</span> |
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286 | 0204 <span class="keyword">elseif</span> testder |
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287 | 0205 test_civ1=isequal(vel_type,<span class="string">'civ1'</span>)||isequal(vel_type,<span class="string">'interp1'</span>)||isequal(vel_type,<span class="string">'filter1'</span>); |
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288 | 0206 <span class="keyword">if</span> test_civ1 |
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289 | 0207 vel_type_out{1}=<span class="string">'filter1'</span>; <span class="comment">%switch to filter for reading spatial derivatives</span> |
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290 | 0208 <span class="keyword">else</span> |
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291 | 0209 vel_type_out{1}=<span class="string">'filter2'</span>; |
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292 | 0210 <span class="keyword">end</span> |
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293 | 0211 <span class="keyword">else</span> |
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294 | 0212 vel_type_out{1}=vel_type;<span class="comment">%imposed velocity field</span> |
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295 | 0213 <span class="keyword">end</span> |
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296 | 0214 vel_type_out=vel_type_out'; |
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297 | 0215 |
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298 | 0216 <span class="comment">%determine names of netcdf variables to read</span> |
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299 | 0217 var={<span class="string">'X'</span>,<span class="string">'Y'</span>,<span class="string">'Z'</span>,<span class="string">'U'</span>,<span class="string">'V'</span>,<span class="string">'W'</span>,<span class="string">'C'</span>,<span class="string">'F'</span>,<span class="string">'FF'</span>}; |
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300 | 0218 role={<span class="string">'coord_x'</span>,<span class="string">'coord_y'</span>,<span class="string">'coord_z'</span>,<span class="string">'vector_x'</span>,<span class="string">'vector_y'</span>,<span class="string">'vector_z'</span>,<span class="string">'ancillary'</span>,<span class="string">'warnflag'</span>,<span class="string">'errorflag'</span>}; |
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301 | 0219 units={<span class="string">'pixel'</span>,<span class="string">'pixel'</span>,<span class="string">'pixel'</span>,<span class="string">'pixel'</span>,<span class="string">'pixel'</span>,<span class="string">'pixel'</span>,[],[],[]}; |
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302 | 0220 <span class="keyword">if</span> testder |
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303 | 0221 var=[var {<span class="string">'DjUi(:,1,1)'</span>,<span class="string">'DjUi(:,1,2)'</span>,<span class="string">'DjUi(:,2,1)'</span>,<span class="string">'DjUi(:,2,2)'</span>}]; |
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304 | 0222 role=[role {<span class="string">'tensor'</span>,<span class="string">'tensor'</span>,<span class="string">'tensor'</span>,<span class="string">'tensor'</span>}]; |
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305 | 0223 units=[units {<span class="string">'pixel'</span>,<span class="string">'pixel'</span>,<span class="string">'pixel'</span>,<span class="string">'pixel'</span>}]; |
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306 | 0224 <span class="keyword">end</span> |
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307 | 0225 <span class="keyword">for</span> ilist=1:length(vel_type_out) |
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308 | 0226 var=[var;<a href="#_sub2" class="code" title="subfunction varin=varname1(vel_type,FieldNames)">varname1</a>(vel_type_out{ilist},FieldNames)]; |
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309 | 0227 <span class="keyword">end</span> |
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310 | 0228 |
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311 | 0229 |
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312 | 0230 <span class="comment">%-------------------------</span> |
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313 | 0231 <span class="comment">%determine var names to read</span> |
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314 | 0232 <span class="comment">%--------------------------------------</span> |
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315 | 0233 <a name="_sub2" href="#_subfunctions" class="code">function varin=varname1(vel_type,FieldNames)</a> |
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316 | 0234 |
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317 | 0235 testder=0; |
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318 | 0236 C1=<span class="string">''</span>; |
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319 | 0237 C2=<span class="string">''</span>; |
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320 | 0238 <span class="keyword">for</span> ilist=1:length(FieldNames) |
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321 | 0239 <span class="keyword">if</span> ~isempty(FieldNames{ilist}) |
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322 | 0240 <span class="keyword">switch</span> FieldNames{ilist} |
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323 | 0241 <span class="keyword">case</span> <span class="string">'ima_cor'</span> <span class="comment">%image correlation corresponding to a vel vector</span> |
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324 | 0242 C1=<span class="string">'vec_C'</span>; |
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325 | 0243 C2=<span class="string">'vec2_C'</span>; |
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326 | 0244 <span class="keyword">case</span> <span class="string">'error'</span> |
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327 | 0245 C1=<span class="string">'vec_E'</span>; |
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328 | 0246 C2=<span class="string">'vec2_E'</span>; |
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329 | 0247 <span class="keyword">case</span> {<span class="string">'vort'</span>,<span class="string">'div'</span>,<span class="string">'strain'</span>} |
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330 | 0248 testder=1; |
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331 | 0249 <span class="keyword">end</span> |
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332 | 0250 <span class="keyword">end</span> |
---|
333 | 0251 <span class="keyword">end</span> |
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334 | 0252 <span class="keyword">switch</span> vel_type |
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335 | 0253 <span class="keyword">case</span> <span class="string">'civ1'</span> |
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336 | 0254 varin={<span class="string">'vec_X'</span>,<span class="string">'vec_Y'</span>,<span class="string">'vec_Z'</span>,<span class="string">'vec_U'</span>,<span class="string">'vec_V'</span>,<span class="string">'vec_W'</span>,C1,<span class="string">'vec_F'</span>,<span class="string">'vec_FixFlag'</span>}; |
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337 | 0255 <span class="keyword">case</span> <span class="string">'interp1'</span> |
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338 | 0256 varin={<span class="string">'vec_patch_X'</span>,<span class="string">'vec_patch_Y'</span>,<span class="string">''</span>,<span class="string">'vec_patch0_U'</span>,<span class="string">'vec_patch0_V'</span>,<span class="string">''</span>,<span class="string">''</span>,<span class="string">''</span>,<span class="string">''</span>}; |
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339 | 0257 <span class="keyword">case</span> <span class="string">'filter1'</span> |
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340 | 0258 varin={<span class="string">'vec_patch_X'</span>,<span class="string">'vec_patch_Y'</span>,<span class="string">''</span>,<span class="string">'vec_patch_U'</span>,<span class="string">'vec_patch_V'</span>,<span class="string">''</span>,<span class="string">''</span>,<span class="string">''</span>,<span class="string">''</span>}; |
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341 | 0259 <span class="keyword">case</span> <span class="string">'civ2'</span> |
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342 | 0260 varin={<span class="string">'vec2_X'</span>,<span class="string">'vec2_Y'</span>,<span class="string">'vec2_Z'</span>,<span class="string">'vec2_U'</span>,<span class="string">'vec2_V'</span>,<span class="string">'vec2_W'</span>,C2,<span class="string">'vec2_F'</span>,<span class="string">'vec2_FixFlag'</span>}; |
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343 | 0261 <span class="keyword">case</span> <span class="string">'interp2'</span> |
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344 | 0262 varin={<span class="string">'vec2_patch_X'</span>,<span class="string">'vec2_patch_Y'</span>,<span class="string">'vec2_patch_Z'</span>,<span class="string">'vec2_patch0_U'</span>,<span class="string">'vec2_patch0_V'</span>,<span class="string">'vec2_patch0_W'</span>,<span class="string">''</span>,<span class="string">''</span>,<span class="string">''</span>}; |
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345 | 0263 <span class="keyword">case</span> <span class="string">'filter2'</span> |
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346 | 0264 varin={<span class="string">'vec2_patch_X'</span>,<span class="string">'vec2_patch_Y'</span>,<span class="string">'vec2_patch_Z'</span>,<span class="string">'vec2_patch_U'</span>,<span class="string">'vec2_patch_V'</span>,<span class="string">'vec2_patch0_W'</span>,<span class="string">''</span>,<span class="string">''</span>,<span class="string">''</span>}; |
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347 | 0265 <span class="keyword">end</span> |
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348 | 0266 <span class="keyword">if</span> testder |
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349 | 0267 <span class="keyword">switch</span> vel_type |
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350 | 0268 <span class="keyword">case</span> <span class="string">'filter1'</span> |
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351 | 0269 varin=[varin {<span class="string">'vec_patch_DUDX'</span>,<span class="string">'vec_patch_DVDX'</span>,<span class="string">'vec_patch_DUDY'</span>,<span class="string">'vec_patch_DVDY'</span>}]; |
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352 | 0270 <span class="keyword">case</span> <span class="string">'filter2'</span> |
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353 | 0271 varin=[varin {<span class="string">'vec2_patch_DUDX'</span>,<span class="string">'vec2_patch_DVDX'</span>,<span class="string">'vec2_patch_DUDY'</span>,<span class="string">'vec2_patch_DVDY'</span>}]; |
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354 | 0272 <span class="keyword">end</span> |
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355 | 0273 <span class="keyword">end</span></pre></div> |
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356 | <hr><address>Generated on Fri 13-Nov-2009 11:17:03 by <strong><a href="http://www.artefact.tk/software/matlab/m2html/">m2html</a></strong> © 2003</address> |
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357 | </body> |
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358 | </html> |
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