[37] | 1 | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" |
---|
| 2 | "http://www.w3.org/TR/REC-html40/loose.dtd"> |
---|
| 3 | <html> |
---|
| 4 | <head> |
---|
| 5 | <title>Description of proj_field</title> |
---|
| 6 | <meta name="keywords" content="proj_field"> |
---|
| 7 | <meta name="description" content="'proj_field': projects the field on a projection object"> |
---|
| 8 | <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> |
---|
| 9 | <meta name="generator" content="m2html © 2003 Guillaume Flandin"> |
---|
| 10 | <meta name="robots" content="index, follow"> |
---|
| 11 | <link type="text/css" rel="stylesheet" href="../m2html.css"> |
---|
| 12 | </head> |
---|
| 13 | <body> |
---|
| 14 | <a name="_top"></a> |
---|
| 15 | <div><a href="../index.html">Home</a> > <a href="index.html">.</a> > proj_field.m</div> |
---|
| 16 | |
---|
| 17 | <!--<table width="100%"><tr><td align="left"><a href="../index.html"><img alt="<" border="0" src="../left.png"> Master index</a></td> |
---|
| 18 | <td align="right"><a href="index.html">Index for . <img alt=">" border="0" src="../right.png"></a></td></tr></table>--> |
---|
| 19 | |
---|
| 20 | <h1>proj_field |
---|
| 21 | </h1> |
---|
| 22 | |
---|
| 23 | <h2><a name="_name"></a>PURPOSE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2> |
---|
| 24 | <div class="box"><strong>'proj_field': projects the field on a projection object</strong></div> |
---|
| 25 | |
---|
| 26 | <h2><a name="_synopsis"></a>SYNOPSIS <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2> |
---|
| 27 | <div class="box"><strong>function [ProjData,errormsg]=proj_field(FieldData,ObjectData,IndexObj) </strong></div> |
---|
| 28 | |
---|
| 29 | <h2><a name="_description"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2> |
---|
| 30 | <div class="fragment"><pre class="comment">'proj_field': projects the field on a projection object |
---|
| 31 | -------------------------------------------------------------------------- |
---|
| 32 | function [ProjData,errormsg]=proj_field(FieldData,ObjectData,IndexObj) |
---|
| 33 | |
---|
| 34 | OUTPUT: |
---|
| 35 | ProjData structure containing the fields of the input field FieldData, |
---|
| 36 | transmitted or projected on the object, plus the additional fields |
---|
| 37 | .UMax, .UMin, .VMax, .VMin: min and max of velocity components in a domain |
---|
| 38 | .UMean,VMean: mean of the velocity components in a domain |
---|
| 39 | .AMin, AMax: min and max of a scalar |
---|
| 40 | .AMean: mean of a scalar in a domain |
---|
| 41 | .NbPix; |
---|
| 42 | .DimName= names of the matrix dimensions (matlab cell) |
---|
| 43 | .DimValue= values of the matricx dimensions (matlab vector, same length as .DimName); |
---|
| 44 | .VarName= names of the variables [ProjData.VarName {'A','AMean','AMin','AMax'}]; |
---|
| 45 | .VarDimNameIndex= dimensions of the variables, indicated by indices in the list .DimName; |
---|
| 46 | |
---|
| 47 | INPUT |
---|
| 48 | ObjectData: structure characterizing the projection object |
---|
| 49 | .Style : style of projection object |
---|
| 50 | .ProjMode=type of projection ; |
---|
| 51 | .CoordType: 'px' or 'phys' type of coordinates defining the object position |
---|
| 52 | .Phi angle of rotation (=0 by default) |
---|
| 53 | .ProjAngle=angle of projection; |
---|
| 54 | .DX,.DY,.DZ=increments along each coordinate |
---|
| 55 | .Coord(nbpoints,3): set of coordinates defining the object position;</pre></div> |
---|
| 56 | |
---|
| 57 | <!-- crossreference --> |
---|
| 58 | <h2><a name="_cross"></a>CROSS-REFERENCE INFORMATION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2> |
---|
| 59 | This function calls: |
---|
| 60 | <ul style="list-style-image:url(../matlabicon.gif)"> |
---|
| 61 | <li><a href="find_field_indices.html" class="code" title="function [CellVarIndex,NbDim,VarType,errormsg]=find_field_indices(Data)">find_field_indices</a> 'find_file_indices': group the variables of a nc-formated Matlab structure into 'fields' with common dimensions</li><li><a href="griddata_uvmat.html" class="code" title="function ZI = griddata_uvmat(X,Y,Z,XI,YI)">griddata_uvmat</a> 'griddata_uvmat': function griddata_uvmat(vec2_X,vec2_Y,vec2_U,vec_X,vec_Y,'linear')</li><li><a href="warndlg_uvmat.html" class="code" title="function hwarn=warndlg_uvmat(warntext,title)">warndlg_uvmat</a> 'warndlg_uvmat': display warning message (error, warning, confirmation) in a given figure</li></ul> |
---|
| 62 | This function is called by: |
---|
| 63 | <ul style="list-style-image:url(../matlabicon.gif)"> |
---|
| 64 | <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="update_obj.html" class="code" title="function Object_out=update_obj(UvData,IndexObj,ObjectData,PlotHandles)">update_obj</a> 'update_obj': update the object graph representation and its projection field, record it in the uvmat interface</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> |
---|
| 65 | <!-- crossreference --> |
---|
| 66 | |
---|
| 67 | <h2><a name="_subfunctions"></a>SUBFUNCTIONS <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2> |
---|
| 68 | <ul style="list-style-image:url(../matlabicon.gif)"> |
---|
| 69 | <li><a href="#_sub1" class="code">function [ProjData,errormsg]=proj_points(FieldData,ObjectData)</a></li><li><a href="#_sub2" class="code">function [ProjData,errormsg]=proj_patch(FieldData,ObjectData)</a></li><li><a href="#_sub3" class="code">function [ProjData,errormsg] = proj_line(FieldData, ObjectData)</a></li><li><a href="#_sub4" class="code">function [ProjData,errormsg] = proj_plane(FieldData, ObjectData)</a></li><li><a href="#_sub5" class="code">function [ProjData,errormsg]=proj_heading(FieldData,ObjectData)</a></li></ul> |
---|
| 70 | <h2><a name="_source"></a>SOURCE CODE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2> |
---|
| 71 | <div class="fragment"><pre>0001 <span class="comment">%'proj_field': projects the field on a projection object</span> |
---|
| 72 | 0002 <span class="comment">%--------------------------------------------------------------------------</span> |
---|
| 73 | 0003 <span class="comment">% function [ProjData,errormsg]=proj_field(FieldData,ObjectData,IndexObj)</span> |
---|
| 74 | 0004 <span class="comment">%</span> |
---|
| 75 | 0005 <span class="comment">% OUTPUT:</span> |
---|
| 76 | 0006 <span class="comment">% ProjData structure containing the fields of the input field FieldData,</span> |
---|
| 77 | 0007 <span class="comment">% transmitted or projected on the object, plus the additional fields</span> |
---|
| 78 | 0008 <span class="comment">% .UMax, .UMin, .VMax, .VMin: min and max of velocity components in a domain</span> |
---|
| 79 | 0009 <span class="comment">% .UMean,VMean: mean of the velocity components in a domain</span> |
---|
| 80 | 0010 <span class="comment">% .AMin, AMax: min and max of a scalar</span> |
---|
| 81 | 0011 <span class="comment">% .AMean: mean of a scalar in a domain</span> |
---|
| 82 | 0012 <span class="comment">% .NbPix;</span> |
---|
| 83 | 0013 <span class="comment">% .DimName= names of the matrix dimensions (matlab cell)</span> |
---|
| 84 | 0014 <span class="comment">% .DimValue= values of the matricx dimensions (matlab vector, same length as .DimName);</span> |
---|
| 85 | 0015 <span class="comment">% .VarName= names of the variables [ProjData.VarName {'A','AMean','AMin','AMax'}];</span> |
---|
| 86 | 0016 <span class="comment">% .VarDimNameIndex= dimensions of the variables, indicated by indices in the list .DimName;</span> |
---|
| 87 | 0017 <span class="comment">%</span> |
---|
| 88 | 0018 <span class="comment">%INPUT</span> |
---|
| 89 | 0019 <span class="comment">% ObjectData: structure characterizing the projection object</span> |
---|
| 90 | 0020 <span class="comment">% .Style : style of projection object</span> |
---|
| 91 | 0021 <span class="comment">% .ProjMode=type of projection ;</span> |
---|
| 92 | 0022 <span class="comment">% .CoordType: 'px' or 'phys' type of coordinates defining the object position</span> |
---|
| 93 | 0023 <span class="comment">% .Phi angle of rotation (=0 by default)</span> |
---|
| 94 | 0024 <span class="comment">% .ProjAngle=angle of projection;</span> |
---|
| 95 | 0025 <span class="comment">% .DX,.DY,.DZ=increments along each coordinate</span> |
---|
| 96 | 0026 <span class="comment">% .Coord(nbpoints,3): set of coordinates defining the object position;</span> |
---|
| 97 | 0027 |
---|
| 98 | 0028 <span class="comment">%FieldData: data of the field to be projected on the projection object, with optional fields</span> |
---|
| 99 | 0029 <span class="comment">% .Txt: error message, transmitted to the projection</span> |
---|
| 100 | 0030 <span class="comment">% .CoordType: 'px' or 'phys' type of coordinates of the field, must be the same as for the projection object, transmitted</span> |
---|
| 101 | 0031 <span class="comment">% .Mesh: typical distance between data points (used for mouse action or display), transmitted</span> |
---|
| 102 | 0032 <span class="comment">% .CoordUnit, .TimeUnit, .dt: transmitted</span> |
---|
| 103 | 0033 <span class="comment">% standardised description of fields, nc-formated Matlab structure with fields:</span> |
---|
| 104 | 0034 <span class="comment">% .ListGlobalAttribute: cell listing the names of the global attributes</span> |
---|
| 105 | 0035 <span class="comment">% .Att_1,Att_2... : values of the global attributes</span> |
---|
| 106 | 0036 <span class="comment">% .ListDimName: cell listing the names of the array dimensions</span> |
---|
| 107 | 0037 <span class="comment">% .DimValue: array dimension values (Matlab vector with the same length as .ListDimName</span> |
---|
| 108 | 0038 <span class="comment">% .ListVarName: cell listing the names of the variables</span> |
---|
| 109 | 0039 <span class="comment">% .VarDimIndex: cell containing the set of dimension indices (in list .ListDimName) for each variable of .ListVarName</span> |
---|
| 110 | 0040 <span class="comment">% .VarAttribute: cell of structures s containing names and values of variable attributes (s.name=value) for each variable of .ListVarName</span> |
---|
| 111 | 0041 <span class="comment">% .Var1, .Var2....: variables (Matlab arrays) with names listed in .ListVarName</span> |
---|
| 112 | 0042 <span class="comment">% The variables are grouped in 'fields', made of a set of variables with common dimensions (using the function find_field_indices)</span> |
---|
| 113 | 0043 <span class="comment">% The variable attribute 'Role' is used to define the role for plotting:</span> |
---|
| 114 | 0044 <span class="comment">% Role = 'scalar': (default) represents a scalar field</span> |
---|
| 115 | 0045 <span class="comment">% = 'coord': represents a set of unstructured coordinates, whose</span> |
---|
| 116 | 0046 <span class="comment">% space dimension is given by the last array dimension (called 'nb_dim').</span> |
---|
| 117 | 0047 <span class="comment">% = 'coord_x', 'coord_y', 'coord_z': represents a separate set of</span> |
---|
| 118 | 0048 <span class="comment">% unstructured coordinate x, y or z</span> |
---|
| 119 | 0049 <span class="comment">% = 'vector': represents a vector field whose number of components</span> |
---|
| 120 | 0050 <span class="comment">% is given by the last dimension (called 'nb_dim')</span> |
---|
| 121 | 0051 <span class="comment">% = 'vector_x', 'vector_y', 'vector_z' :represents the x, y or z component of a vector</span> |
---|
| 122 | 0052 <span class="comment">% = 'warnflag' : provides a warning flag about the quality of data in a 'Field', default=0, no warning</span> |
---|
| 123 | 0053 <span class="comment">% = 'errorflag': provides an error flag marking false data,</span> |
---|
| 124 | 0054 <span class="comment">% default=0, no error. Different non zero values can represent different criteria of elimination.</span> |
---|
| 125 | 0055 <span class="comment">%</span> |
---|
| 126 | 0056 <span class="comment">% Default role of variables (by name)</span> |
---|
| 127 | 0057 <span class="comment">% vector field:</span> |
---|
| 128 | 0058 <span class="comment">% .X,.Y: position of the velocity vectors, projected on the object</span> |
---|
| 129 | 0059 <span class="comment">% .U, .V, .W: velocity components, projected on the object</span> |
---|
| 130 | 0060 <span class="comment">% .C, .CName: scalar associated to the vector</span> |
---|
| 131 | 0061 <span class="comment">% .F : equivalent to 'warnflag'</span> |
---|
| 132 | 0062 <span class="comment">% .FF: equivalent to 'errorflag'</span> |
---|
| 133 | 0063 <span class="comment">% scalar field or image:</span> |
---|
| 134 | 0064 <span class="comment">% .AName: name of a scalar (to be calculated from velocity fields after projection), transmitted</span> |
---|
| 135 | 0065 <span class="comment">% .A: scalar, projected on the object</span> |
---|
| 136 | 0066 <span class="comment">% .AX, .AY: positions for the scalar</span> |
---|
| 137 | 0067 <span class="comment">% case of a structured grid: A is a dim 2 matrix and .AX=[first last] (length 2 vector) represents the first and last abscissa of the grid</span> |
---|
| 138 | 0068 <span class="comment">% case of an unstructured scalar: A is a vector, AX and AY the corresponding coordinates</span> |
---|
| 139 | 0069 <span class="comment">%</span> |
---|
| 140 | 0070 <span class="comment">%AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA</span> |
---|
| 141 | 0071 <span class="comment">% Copyright Joel Sommeria, 2008, LEGI / CNRS-UJF-INPG, sommeria@coriolis-legi.org.</span> |
---|
| 142 | 0072 <span class="comment">%AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA</span> |
---|
| 143 | 0073 <span class="comment">% This file is part of the toolbox UVMAT.</span> |
---|
| 144 | 0074 <span class="comment">%</span> |
---|
| 145 | 0075 <span class="comment">% UVMAT is free software; you can redistribute it and/or modify</span> |
---|
| 146 | 0076 <span class="comment">% it under the terms of the GNU General Public License as published by</span> |
---|
| 147 | 0077 <span class="comment">% the Free Software Foundation; either version 2 of the License, or</span> |
---|
| 148 | 0078 <span class="comment">% (at your option) any later version.</span> |
---|
| 149 | 0079 <span class="comment">%</span> |
---|
| 150 | 0080 <span class="comment">% UVMAT is distributed in the hope that it will be useful,</span> |
---|
| 151 | 0081 <span class="comment">% but WITHOUT ANY WARRANTY; without even the implied warranty of</span> |
---|
| 152 | 0082 <span class="comment">% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span> |
---|
| 153 | 0083 <span class="comment">% GNU General Public License (file UVMAT/COPYING.txt) for more details.</span> |
---|
| 154 | 0084 <span class="comment">%AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA</span> |
---|
| 155 | 0085 |
---|
| 156 | 0086 <a name="_sub0" href="#_subfunctions" class="code">function [ProjData,errormsg]=proj_field(FieldData,ObjectData,IndexObj)</a> |
---|
| 157 | 0087 |
---|
| 158 | 0088 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'ProjMode'</span>) && (isequal(ObjectData.ProjMode,<span class="string">'none'</span>)||isequal(ObjectData.ProjMode,<span class="string">'mask_inside'</span>)||isequal(ObjectData.ProjMode,<span class="string">'mask_outside'</span>)) |
---|
| 159 | 0089 ProjData=[]; |
---|
| 160 | 0090 <span class="keyword">return</span> |
---|
| 161 | 0091 <span class="keyword">end</span> |
---|
| 162 | 0092 <span class="comment">%introduce default field properties (reading old standards)</span> |
---|
| 163 | 0093 <span class="keyword">if</span> ~isfield(ObjectData,<span class="string">'Style'</span>)||~isfield(ObjectData,<span class="string">'Coord'</span>)||~isfield(ObjectData,<span class="string">'ProjMode'</span>) |
---|
| 164 | 0094 ProjData=FieldData; |
---|
| 165 | 0095 <span class="keyword">return</span> |
---|
| 166 | 0096 <span class="keyword">end</span> |
---|
| 167 | 0097 |
---|
| 168 | 0098 <span class="comment">% OBSOLETE</span> |
---|
| 169 | 0099 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'XMax'</span>) && ~isempty(ObjectData.XMax) |
---|
| 170 | 0100 ObjectData.RangeX(1)=ObjectData.XMax; |
---|
| 171 | 0101 <span class="keyword">end</span> |
---|
| 172 | 0102 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'XMin'</span>) && ~isempty(ObjectData.XMin) |
---|
| 173 | 0103 ObjectData.RangeX(2)=ObjectData.XMin; |
---|
| 174 | 0104 <span class="keyword">end</span> |
---|
| 175 | 0105 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'YMax'</span>) && ~isempty(ObjectData.YMax) |
---|
| 176 | 0106 ObjectData.RangeY(1)=ObjectData.YMax; |
---|
| 177 | 0107 <span class="keyword">end</span> |
---|
| 178 | 0108 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'YMin'</span>) && ~isempty(ObjectData.YMin) |
---|
| 179 | 0109 ObjectData.RangeY(2)=ObjectData.YMin; |
---|
| 180 | 0110 <span class="keyword">end</span> |
---|
| 181 | 0111 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'ZMax'</span>) && ~isempty(ObjectData.ZMax) |
---|
| 182 | 0112 ObjectData.RangeZ(1)=ObjectData.ZMax; |
---|
| 183 | 0113 <span class="keyword">end</span> |
---|
| 184 | 0114 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'ZMin'</span>) && ~isempty(ObjectData.ZMin) |
---|
| 185 | 0115 ObjectData.RangeZ(2)=ObjectData.ZMin; |
---|
| 186 | 0116 <span class="keyword">end</span> |
---|
| 187 | 0117 <span class="comment">%%%%%%%%%%</span> |
---|
| 188 | 0118 |
---|
| 189 | 0119 <span class="comment">% FieldData=document_field(FieldData);%transform FieldData to the standard format</span> |
---|
| 190 | 0120 <span class="comment">% if ~isfield(FieldData,'VarAttribute')</span> |
---|
| 191 | 0121 <span class="comment">% FieldData.VarAttribute={};</span> |
---|
| 192 | 0122 <span class="comment">% end</span> |
---|
| 193 | 0123 |
---|
| 194 | 0124 <span class="keyword">if</span> isequal(ObjectData.Style,<span class="string">'points'</span>) |
---|
| 195 | 0125 [ProjData,errormsg]=<a href="#_sub1" class="code" title="subfunction [ProjData,errormsg]=proj_points(FieldData,ObjectData)">proj_points</a>(FieldData,ObjectData); |
---|
| 196 | 0126 <span class="keyword">elseif</span> isequal(ObjectData.Style,<span class="string">'line'</span>)|isequal(ObjectData.Style,<span class="string">'polyline'</span>) |
---|
| 197 | 0127 [ProjData,errormsg] = <a href="#_sub3" class="code" title="subfunction [ProjData,errormsg] = proj_line(FieldData, ObjectData)">proj_line</a>(FieldData,ObjectData); |
---|
| 198 | 0128 <span class="keyword">elseif</span> isequal(ObjectData.Style,<span class="string">'polygon'</span>)|isequal(ObjectData.Style,<span class="string">'rectangle'</span>)|isequal(ObjectData.Style,<span class="string">'ellipse'</span>) |
---|
| 199 | 0129 <span class="keyword">if</span> isequal(ObjectData.ProjMode,<span class="string">'inside'</span>)|isequal(ObjectData.ProjMode,<span class="string">'outside'</span>) |
---|
| 200 | 0130 [ProjData,errormsg] = <a href="#_sub2" class="code" title="subfunction [ProjData,errormsg]=proj_patch(FieldData,ObjectData)">proj_patch</a>(FieldData,ObjectData); |
---|
| 201 | 0131 <span class="keyword">else</span> |
---|
| 202 | 0132 [ProjData,errormsg] = <a href="#_sub3" class="code" title="subfunction [ProjData,errormsg] = proj_line(FieldData, ObjectData)">proj_line</a>(FieldData,ObjectData); |
---|
| 203 | 0133 <span class="keyword">end</span> |
---|
| 204 | 0134 <span class="comment">%A FAIRE : GERER MASK</span> |
---|
| 205 | 0135 <span class="keyword">elseif</span> isequal(ObjectData.Style,<span class="string">'plane'</span>) |
---|
| 206 | 0136 <span class="comment">% if isfield(FieldData,'NbDim') & isequal(FieldData.NbDim,3)</span> |
---|
| 207 | 0137 <span class="comment">% ProjData= proj_plane3D(FieldData,ObjectData);%</span> |
---|
| 208 | 0138 <span class="comment">% else</span> |
---|
| 209 | 0139 [ProjData,errormsg] = <a href="#_sub4" class="code" title="subfunction [ProjData,errormsg] = proj_plane(FieldData, ObjectData)">proj_plane</a>(FieldData,ObjectData); |
---|
| 210 | 0140 <span class="comment">% end</span> |
---|
| 211 | 0141 <span class="keyword">end</span> |
---|
| 212 | 0142 <span class="keyword">if</span> exist(<span class="string">'IndexObj'</span>,<span class="string">'var'</span>) |
---|
| 213 | 0143 ProjData.IndexObj=IndexObj;<span class="comment">%transfer object index</span> |
---|
| 214 | 0144 <span class="keyword">end</span> |
---|
| 215 | 0145 |
---|
| 216 | 0146 <span class="comment">%-----------------------------------------------------------------</span> |
---|
| 217 | 0147 <span class="comment">%project on a set of points</span> |
---|
| 218 | 0148 <a name="_sub1" href="#_subfunctions" class="code">function [ProjData,errormsg]=proj_points(FieldData,ObjectData)</a><span class="comment">%%</span> |
---|
| 219 | 0149 <span class="comment">%-------------------------------------------------------------------</span> |
---|
| 220 | 0150 |
---|
| 221 | 0151 siz=size(ObjectData.Coord); |
---|
| 222 | 0152 width=0; |
---|
| 223 | 0153 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'Range'</span>) |
---|
| 224 | 0154 width=ObjectData.Range(1,2); |
---|
| 225 | 0155 <span class="keyword">end</span> |
---|
| 226 | 0156 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'RangeX'</span>)&~isempty(ObjectData.RangeX) |
---|
| 227 | 0157 width=max(ObjectData.RangeX); |
---|
| 228 | 0158 <span class="keyword">end</span> |
---|
| 229 | 0159 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'RangeY'</span>)&~isempty(ObjectData.RangeY) |
---|
| 230 | 0160 width=max(width,max(ObjectData.RangeY)); |
---|
| 231 | 0161 <span class="keyword">end</span> |
---|
| 232 | 0162 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'RangeZ'</span>)&~isempty(ObjectData.RangeZ) |
---|
| 233 | 0163 width=max(width,max(ObjectData.RangeZ)); |
---|
| 234 | 0164 <span class="keyword">end</span> |
---|
| 235 | 0165 <span class="keyword">if</span> isequal(ObjectData.ProjMode,<span class="string">'projection'</span>) |
---|
| 236 | 0166 <span class="keyword">if</span> width==0 |
---|
| 237 | 0167 errormsg=<span class="string">'projection range around points needed'</span>; |
---|
| 238 | 0168 <span class="keyword">return</span> |
---|
| 239 | 0169 <span class="keyword">end</span> |
---|
| 240 | 0170 <span class="keyword">elseif</span> ~isequal(ObjectData.ProjMode,<span class="string">'interp'</span>) |
---|
| 241 | 0171 errormsg=([<span class="string">'ProjMode option '</span> ObjectData.ProjMode <span class="string">' not available in proj_field'</span>]); |
---|
| 242 | 0172 <span class="keyword">return</span> |
---|
| 243 | 0173 <span class="keyword">end</span> |
---|
| 244 | 0174 ProjData=<a href="#_sub5" class="code" title="subfunction [ProjData,errormsg]=proj_heading(FieldData,ObjectData)">proj_heading</a>(FieldData,ObjectData); |
---|
| 245 | 0175 ProjData.NbDim=0; |
---|
| 246 | 0176 ProjData.ListDimName= {<span class="string">'nb_points'</span>}; |
---|
| 247 | 0177 ProjData.DimValue=siz(1); <span class="comment">%nbre of projection points</span> |
---|
| 248 | 0178 |
---|
| 249 | 0179 |
---|
| 250 | 0180 <span class="comment">% idimvar=0;</span> |
---|
| 251 | 0181 [CellVarIndex,NbDim,VarTypeCell,errormsg]=<a href="find_field_indices.html" class="code" title="function [CellVarIndex,NbDim,VarType,errormsg]=find_field_indices(Data)">find_field_indices</a>(FieldData); |
---|
| 252 | 0182 <span class="keyword">if</span> ~isempty(errormsg) |
---|
| 253 | 0183 errormsg=[<span class="string">'error in proj_field/proj_points:'</span> errormsg]; |
---|
| 254 | 0184 <span class="keyword">return</span> |
---|
| 255 | 0185 <span class="keyword">end</span> |
---|
| 256 | 0186 <span class="comment">%LOOP ON GROUPS OF VARIABLES SHARING THE SAME DIMENSIONS</span> |
---|
| 257 | 0187 <span class="comment">% CellVarIndex=cells of variable index arrays</span> |
---|
| 258 | 0188 <span class="comment">% ivar_new=0; % index of the current variable in the projected field</span> |
---|
| 259 | 0189 <span class="comment">% icoord=0;</span> |
---|
| 260 | 0190 <span class="keyword">for</span> icell=1:length(CellVarIndex) |
---|
| 261 | 0191 <span class="keyword">if</span> NbDim(icell)==1 |
---|
| 262 | 0192 <span class="keyword">continue</span> |
---|
| 263 | 0193 <span class="keyword">end</span> |
---|
| 264 | 0194 VarIndex=CellVarIndex{icell};<span class="comment">% indices of the selected variables in the list FieldData.ListVarName</span> |
---|
| 265 | 0195 VarType=VarTypeCell{icell}; |
---|
| 266 | 0196 ivar_X=VarType.coord_x; |
---|
| 267 | 0197 ivar_Y=VarType.coord_y; |
---|
| 268 | 0198 ivar_Z=VarType.coord_z; |
---|
| 269 | 0199 <span class="comment">% ivar_U=VarType.vector_x;</span> |
---|
| 270 | 0200 <span class="comment">% ivar_V=VarType.vector_y;</span> |
---|
| 271 | 0201 <span class="comment">% ivar_W=VarType.vector_z;</span> |
---|
| 272 | 0202 <span class="comment">% ivar_C=VarType.scalar ;</span> |
---|
| 273 | 0203 ivar_Anc=VarType.ancillary; |
---|
| 274 | 0204 <span class="comment">% test_anc=zeros(size(VarIndex));</span> |
---|
| 275 | 0205 test_anc(ivar_Anc)=ones(size(ivar_Anc)); |
---|
| 276 | 0206 ivar_F=VarType.warnflag; |
---|
| 277 | 0207 ivar_FF=VarType.errorflag; |
---|
| 278 | 0208 VarIndex([ivar_X ivar_Y ivar_Z ivar_Anc ivar_F ivar_FF])=[];<span class="comment">% not projected variables removed frlom list</span> |
---|
| 279 | 0209 <span class="keyword">if</span> isempty(ivar_X) |
---|
| 280 | 0210 test_grid=1;<span class="comment">%test for input data on regular grid (e.g. image)coordinates</span> |
---|
| 281 | 0211 |
---|
| 282 | 0212 <span class="keyword">else</span> |
---|
| 283 | 0213 <span class="keyword">if</span> length(ivar_X)>1 | length(ivar_Y)>1 | length(ivar_Z)>1 |
---|
| 284 | 0214 <a href="warndlg_uvmat.html" class="code" title="function hwarn=warndlg_uvmat(warntext,title)">warndlg_uvmat</a>(<span class="string">'multiple coordinate input in proj_field.m'</span>,<span class="string">'ERROR'</span>) |
---|
| 285 | 0215 <span class="keyword">return</span> |
---|
| 286 | 0216 <span class="keyword">end</span> |
---|
| 287 | 0217 <span class="keyword">if</span> length(ivar_Y)~=1 |
---|
| 288 | 0218 <a href="warndlg_uvmat.html" class="code" title="function hwarn=warndlg_uvmat(warntext,title)">warndlg_uvmat</a>(<span class="string">'y coordinate not defined in proj_field.m'</span>,<span class="string">'ERROR'</span>) |
---|
| 289 | 0219 <span class="keyword">return</span> |
---|
| 290 | 0220 <span class="keyword">end</span> |
---|
| 291 | 0221 test_grid=0; |
---|
| 292 | 0222 <span class="keyword">end</span> |
---|
| 293 | 0223 ProjData.ListVarName={<span class="string">'Y'</span>,<span class="string">'X'</span>,<span class="string">'NbVal'</span>}; |
---|
| 294 | 0224 ProjData.VarDimIndex={[1],[1],[1]}; |
---|
| 295 | 0225 ProjData.VarAttribute{1}.Role=<span class="string">'ancillary'</span>; |
---|
| 296 | 0226 ProjData.VarAttribute{2}.Role=<span class="string">'ancillary'</span>; |
---|
| 297 | 0227 ProjData.VarAttribute{3}.Role=<span class="string">'ancillary'</span>; |
---|
| 298 | 0228 <span class="keyword">for</span> ivar=VarIndex |
---|
| 299 | 0229 VarName=FieldData.ListVarName{ivar}; |
---|
| 300 | 0230 ProjData.ListVarName=[ProjData.ListVarName {VarName}]; |
---|
| 301 | 0231 ProjData.VarDimIndex=[ProjData.VarDimIndex {[1]}]; |
---|
| 302 | 0232 <span class="keyword">end</span> |
---|
| 303 | 0233 <span class="keyword">if</span> ~test_grid |
---|
| 304 | 0234 eval([<span class="string">'coord_x=FieldData.'</span> FieldData.ListVarName{ivar_X} <span class="string">';'</span>]) |
---|
| 305 | 0235 eval([<span class="string">'coord_y=FieldData.'</span> FieldData.ListVarName{ivar_Y} <span class="string">';'</span>]) |
---|
| 306 | 0236 test3D=0;<span class="comment">% TEST 3D CASE : NOT COMPLETED , 3D CASE : NOT COMPLETED</span> |
---|
| 307 | 0237 <span class="keyword">if</span> length(ivar_Z)==1 |
---|
| 308 | 0238 eval([<span class="string">'coord_z=FieldData.'</span> FieldData.ListVarName{ivar_Z} <span class="string">';'</span>]) |
---|
| 309 | 0239 test3D=1; |
---|
| 310 | 0240 <span class="keyword">end</span> |
---|
| 311 | 0241 <span class="comment">% if length(ivar_U)>1 | length(ivar_V)>1 | length(ivar_W)>1</span> |
---|
| 312 | 0242 <span class="comment">% warndlg_uvmat('multiple vector input in proj_field.m','ERROR')</span> |
---|
| 313 | 0243 <span class="comment">% return</span> |
---|
| 314 | 0244 <span class="comment">% end</span> |
---|
| 315 | 0245 <span class="keyword">if</span> length(ivar_F)>1 | length(ivar_FF)>1 |
---|
| 316 | 0246 <a href="warndlg_uvmat.html" class="code" title="function hwarn=warndlg_uvmat(warntext,title)">warndlg_uvmat</a>(<span class="string">'multiple flag input in proj_field.m'</span>,<span class="string">'ERROR'</span>) |
---|
| 317 | 0247 <span class="keyword">return</span> |
---|
| 318 | 0248 <span class="keyword">end</span> |
---|
| 319 | 0249 |
---|
| 320 | 0250 <span class="keyword">for</span> ipoint=1:siz(1) |
---|
| 321 | 0251 Xpoint=ObjectData.Coord(ipoint,:); |
---|
| 322 | 0252 distX=coord_x-Xpoint(1); |
---|
| 323 | 0253 distY=coord_y-Xpoint(2); |
---|
| 324 | 0254 dist=distX.*distX+distY.*distY; |
---|
| 325 | 0255 indsel=find(dist<width*width); |
---|
| 326 | 0256 ProjData.X(ipoint,1)=Xpoint(1); |
---|
| 327 | 0257 ProjData.Y(ipoint,1)=Xpoint(2); |
---|
| 328 | 0258 <span class="keyword">if</span> isequal(length(ivar_FF),1) |
---|
| 329 | 0259 FFName=FieldData.ListVarName{ivar_FF}; |
---|
| 330 | 0260 eval([<span class="string">'FF=FieldData.'</span> FFName <span class="string">'(indsel);'</span>]) |
---|
| 331 | 0261 ind_indsel=find(~FF); |
---|
| 332 | 0262 indsel=indsel(ind_indsel); |
---|
| 333 | 0263 <span class="keyword">end</span> |
---|
| 334 | 0264 ProjData.NbVal(ipoint,1)=length(indsel); |
---|
| 335 | 0265 <span class="keyword">for</span> ivar=VarIndex |
---|
| 336 | 0266 VarName=FieldData.ListVarName{ivar}; |
---|
| 337 | 0267 <span class="keyword">if</span> isempty(indsel) |
---|
| 338 | 0268 eval([<span class="string">'ProjData.'</span> VarName <span class="string">'(ipoint,1)=NaN;'</span>]) |
---|
| 339 | 0269 <span class="keyword">else</span> |
---|
| 340 | 0270 eval([<span class="string">'Var=FieldData.'</span> VarName <span class="string">'(indsel);'</span>]) |
---|
| 341 | 0271 eval([<span class="string">'ProjData.'</span> VarName <span class="string">'(ipoint,1)=mean(Var);'</span>]) |
---|
| 342 | 0272 <span class="keyword">if</span> isequal(ObjectData.ProjMode,<span class="string">'interp'</span>) |
---|
| 343 | 0273 eval([<span class="string">'ProjData.'</span> VarName <span class="string">'(ipoint,1)=griddata_uvmat(coord_x(indsel),coord_y(indsel),Var,Xpoint(1),Xpoint(2)))'</span>;]) |
---|
| 344 | 0274 <span class="keyword">end</span> |
---|
| 345 | 0275 <span class="keyword">end</span> |
---|
| 346 | 0276 <span class="keyword">end</span> |
---|
| 347 | 0277 <span class="keyword">end</span> |
---|
| 348 | 0278 <span class="keyword">else</span> |
---|
| 349 | 0279 DimIndices=FieldData.VarDimIndex{VarIndex(1)};<span class="comment">%indices of the dimensions of the first variable (common to all variables in the cell)</span> |
---|
| 350 | 0280 <span class="comment">%input field on a structured grid A REVOIR A REVOIR A REVOIR</span> |
---|
| 351 | 0281 <span class="keyword">if</span> ~isempty(find(DimIndices)) |
---|
| 352 | 0282 DimValue=FieldData.DimValue(DimIndices);<span class="comment">%set of dimension values</span> |
---|
| 353 | 0283 ListDimName=FieldData.ListDimName(DimIndices); |
---|
| 354 | 0284 <span class="comment">% nbcolor=1; %default</span> |
---|
| 355 | 0285 <span class="keyword">for</span> idim=1:length(ListDimName) |
---|
| 356 | 0286 DimName=ListDimName{idim}; |
---|
| 357 | 0287 <span class="keyword">if</span> isequal(DimName,<span class="string">'rgb'</span>)|isequal(DimName,<span class="string">'nb_coord'</span>)|isequal(DimName,<span class="string">'nb_coord_i'</span>) |
---|
| 358 | 0288 nbcolor=DimValue(idim); |
---|
| 359 | 0289 DimIndices(idim)=[]; |
---|
| 360 | 0290 DimValue(idim)=[]; |
---|
| 361 | 0291 <span class="keyword">end</span> |
---|
| 362 | 0292 <span class="keyword">if</span> isequal(DimName,<span class="string">'nb_coord_j'</span>)<span class="comment">% NOTE: CASE OF TENSOR NOT TREATED</span> |
---|
| 363 | 0293 DimIndices(idim)=[]; |
---|
| 364 | 0294 DimValue(idim)=[]; |
---|
| 365 | 0295 <span class="keyword">end</span> |
---|
| 366 | 0296 <span class="keyword">end</span> |
---|
| 367 | 0297 ind_1=find(DimValue==1); |
---|
| 368 | 0298 DimIndices(ind_1)=[]; <span class="comment">%suppress singleton dimensions</span> |
---|
| 369 | 0299 indxy=find(DimVarIndex(DimIndices));<span class="comment">%select dimension variables (DimIndices non zero)</span> |
---|
| 370 | 0300 nb_dim=length(DimIndices);<span class="comment">%number of space dimensions</span> |
---|
| 371 | 0301 Coord_z=[]; |
---|
| 372 | 0302 Coord_y=[]; |
---|
| 373 | 0303 Coord_x=[]; |
---|
| 374 | 0304 <span class="keyword">for</span> idim=1:nb_dim <span class="comment">%loop on space dimensions</span> |
---|
| 375 | 0305 test_interp(idim)=0;<span class="comment">%test for coordiate interpolation (non regular grid), =0 by default</span> |
---|
| 376 | 0306 test_coord(idim)=0;<span class="comment">%test for defined coordinates, =0 by default</span> |
---|
| 377 | 0307 ivar=DimVarIndex(DimIndices(idim));<span class="comment">% index of the variable corresponding to the current dimension</span> |
---|
| 378 | 0308 <span class="keyword">if</span> ~isequal(ivar,0)<span class="comment">% a variable corresponds to the current dimension</span> |
---|
| 379 | 0309 eval([<span class="string">'Coord{idim}=FieldData.'</span> FieldData.ListVarName{ivar} <span class="string">';'</span>]) ;<span class="comment">% position for the first index</span> |
---|
| 380 | 0310 DCoord=diff(Coord{idim}); |
---|
| 381 | 0311 DCoord_min(idim)=min(DCoord); |
---|
| 382 | 0312 DCoord_max=max(DCoord); |
---|
| 383 | 0313 test_direct(idim)=DCoord_max>0;<span class="comment">% =1 for increasing values, 0 otherwise</span> |
---|
| 384 | 0314 test_direct_min=DCoord_min(idim)>0;<span class="comment">% =1 for increasing values, 0 otherwise</span> |
---|
| 385 | 0315 <span class="keyword">if</span> ~isequal(test_direct(idim),test_direct_min) |
---|
| 386 | 0316 <a href="warndlg_uvmat.html" class="code" title="function hwarn=warndlg_uvmat(warntext,title)">warndlg_uvmat</a>([<span class="string">'non monotonic dimension variable # '</span> num2str(idim) <span class="string">' in proj_field.m'</span>],<span class="string">'ERROR'</span>) |
---|
| 387 | 0317 <span class="keyword">return</span> |
---|
| 388 | 0318 <span class="keyword">end</span> |
---|
| 389 | 0319 test_interp(idim)=(DCoord_max-DCoord_min(idim))> 0.0001*abs(DCoord_max);<span class="comment">% test grid regularity</span> |
---|
| 390 | 0320 test_coord(idim)=1; |
---|
| 391 | 0321 |
---|
| 392 | 0322 <span class="keyword">else</span> <span class="comment">% no variable associated with the first dimension, look fo variable attributes Coord_1, _2 or _3</span> |
---|
| 393 | 0323 Coord_i_str=[<span class="string">'Coord_'</span> num2str(idim)]; |
---|
| 394 | 0324 DCoord_min(idim)=1;<span class="comment">%default</span> |
---|
| 395 | 0325 Coord{idim}=[0.5 DimValue(idim)]; |
---|
| 396 | 0326 test_direct(idim)=1; |
---|
| 397 | 0327 <span class="comment">% for ivar=VarIndex</span> |
---|
| 398 | 0328 <span class="comment">% if length(FieldData.VarAttribute)>=ivar && isfield(FieldData.VarAttribute{ivar},Coord_i_str)% if there is a variable attribute named Coord_1, _2 or _3</span> |
---|
| 399 | 0329 <span class="comment">% eval(['Coord_i=FieldData.VarAttribute{ivar}.' Coord_i_str ';']);%'range x</span> |
---|
| 400 | 0330 <span class="comment">% if isnumeric(Coord_i)</span> |
---|
| 401 | 0331 <span class="comment">% if length(Coord_i)>=2</span> |
---|
| 402 | 0332 <span class="comment">% Coord{idim}=[Coord_i(1) Coord_i(end)];</span> |
---|
| 403 | 0333 <span class="comment">% %test_direct(idim)=(Coord{idim}(2)>Coord{idim}(1));</span> |
---|
| 404 | 0334 <span class="comment">% else</span> |
---|
| 405 | 0335 <span class="comment">% warndlg_uvmat(['two values needed for ' Coord_i_str 'in proj_field.m'],'ERROR')</span> |
---|
| 406 | 0336 <span class="comment">% return</span> |
---|
| 407 | 0337 <span class="comment">% end</span> |
---|
| 408 | 0338 <span class="comment">% else</span> |
---|
| 409 | 0339 <span class="comment">% warndlg_uvmat(['non numerical coordinate attributes' Coord_i_str 'in proj_field.m'],'ERROR')</span> |
---|
| 410 | 0340 <span class="comment">% return</span> |
---|
| 411 | 0341 <span class="comment">% end</span> |
---|
| 412 | 0342 <span class="comment">% %test_coord(idim)=1;</span> |
---|
| 413 | 0343 <span class="comment">% DCoord_min(idim)=(Coord{idim}(end)-Coord{idim}(1))/(DimValue(idim)-1);</span> |
---|
| 414 | 0344 <span class="comment">% end</span> |
---|
| 415 | 0345 <span class="comment">% end</span> |
---|
| 416 | 0346 <span class="keyword">end</span> |
---|
| 417 | 0347 <span class="keyword">end</span> |
---|
| 418 | 0348 DX=DCoord_min(2); |
---|
| 419 | 0349 DY=DCoord_min(1); |
---|
| 420 | 0350 <span class="keyword">for</span> ipoint=1:siz(1) |
---|
| 421 | 0351 xwidth=width/(abs(DX)); |
---|
| 422 | 0352 ywidth=width/(abs(DY)); |
---|
| 423 | 0353 i_min=round((ObjectData.Coord(ipoint,1)-Coord{2}(1))/DX+0.5-xwidth); <span class="comment">%minimum index of the selected region</span> |
---|
| 424 | 0354 i_min=max(1,i_min);<span class="comment">%restrict to field limit</span> |
---|
| 425 | 0355 i_plus=round((ObjectData.Coord(ipoint,1)-Coord{2}(1))/DX+0.5+xwidth); |
---|
| 426 | 0356 i_plus=min(DimValue(2),i_plus); <span class="comment">%restrict to field limit</span> |
---|
| 427 | 0357 j_min=round((ObjectData.Coord(ipoint,2)-Coord{1}(1))/DY-ywidth+0.5); |
---|
| 428 | 0358 j_min=max(1,j_min); |
---|
| 429 | 0359 j_plus=round((ObjectData.Coord(ipoint,2)-Coord{1}(1))/DY+ywidth+0.5); |
---|
| 430 | 0360 j_plus=min(DimValue(1),j_plus); |
---|
| 431 | 0361 ProjData.X(ipoint,1)=ObjectData.Coord(ipoint,1); |
---|
| 432 | 0362 ProjData.Y(ipoint,1)=ObjectData.Coord(ipoint,2); |
---|
| 433 | 0363 i_int=[i_min:i_plus]; |
---|
| 434 | 0364 j_int=[j_min:j_plus]; |
---|
| 435 | 0365 ProjData.NbVal(ipoint,1)=length(j_int)*length(i_int); |
---|
| 436 | 0366 <span class="keyword">if</span> isempty(i_int) | isempty(j_int) |
---|
| 437 | 0367 <span class="keyword">for</span> ivar=VarIndex |
---|
| 438 | 0368 eval([<span class="string">'ProjData.'</span> FieldData.ListVarName{ivar} <span class="string">'(ipoint,:)=NaN;'</span>]); |
---|
| 439 | 0369 <span class="keyword">end</span> |
---|
| 440 | 0370 errormsg=[<span class="string">'no data points in the selected projection range '</span> num2str(width) ]; |
---|
| 441 | 0371 <span class="keyword">else</span> |
---|
| 442 | 0372 <span class="comment">%TODO: introduce circle in the selected subregion</span> |
---|
| 443 | 0373 <span class="comment">%[I,J]=meshgrid([1:j_int],[1:i_int]);</span> |
---|
| 444 | 0374 <span class="keyword">for</span> ivar=VarIndex |
---|
| 445 | 0375 eval([<span class="string">'Avalue=FieldData.'</span> FieldData.ListVarName{ivar} <span class="string">'(j_int,i_int,:);'</span>]); |
---|
| 446 | 0376 eval([<span class="string">'ProjData.'</span> FieldData.ListVarName{ivar} <span class="string">'(ipoint,:)=mean(mean(Avalue));'</span>]); |
---|
| 447 | 0377 <span class="keyword">end</span> |
---|
| 448 | 0378 <span class="keyword">end</span> |
---|
| 449 | 0379 <span class="keyword">end</span> |
---|
| 450 | 0380 <span class="keyword">end</span> |
---|
| 451 | 0381 <span class="keyword">end</span> |
---|
| 452 | 0382 <span class="keyword">end</span> |
---|
| 453 | 0383 <span class="comment">% if isfield(FieldData,'U')& isfield(FieldData,'V')& ~isempty(FieldData.U)& ~isempty(FieldData.V)</span> |
---|
| 454 | 0384 <span class="comment">% ProjData.ListVarName={'Y','X','U','V','NbVec'};</span> |
---|
| 455 | 0385 <span class="comment">% ProjData.VarDimIndex={[1],[1],[1],[1],[1]};</span> |
---|
| 456 | 0386 <span class="comment">% Role={'coord_y','coord_x','vector_x','vector_y','ancillary'};</span> |
---|
| 457 | 0387 <span class="comment">% for ivar=1:5</span> |
---|
| 458 | 0388 <span class="comment">% ProjData.VarAttribute{ivar}.Role=Role{ivar};</span> |
---|
| 459 | 0389 <span class="comment">% end</span> |
---|
| 460 | 0390 <span class="comment">% if isfield(FieldData,'FF')</span> |
---|
| 461 | 0391 <span class="comment">% indsel=find(FieldData.FF==0);</span> |
---|
| 462 | 0392 <span class="comment">% if isempty(indsel)</span> |
---|
| 463 | 0393 <span class="comment">% FieldData.U=[];</span> |
---|
| 464 | 0394 <span class="comment">% FieldData.V=[];</span> |
---|
| 465 | 0395 <span class="comment">% FieldData.X=[];</span> |
---|
| 466 | 0396 <span class="comment">% FieldData.Y=[];</span> |
---|
| 467 | 0397 <span class="comment">% else</span> |
---|
| 468 | 0398 <span class="comment">% FieldData.U=FieldData.U(indsel);</span> |
---|
| 469 | 0399 <span class="comment">% FieldData.V=FieldData.V(indsel);</span> |
---|
| 470 | 0400 <span class="comment">% FieldData.X=FieldData.X(indsel);</span> |
---|
| 471 | 0401 <span class="comment">% FieldData.Y=FieldData.Y(indsel);</span> |
---|
| 472 | 0402 <span class="comment">% end</span> |
---|
| 473 | 0403 <span class="comment">% end</span> |
---|
| 474 | 0404 <span class="comment">% if isequal(ObjectData.ProjMode,'projection')</span> |
---|
| 475 | 0405 <span class="comment">% if ~isfield(ObjectData,'Range') & ~isfield(ObjectData,'RangeX')& ~isfield(ObjectData,'RangeY')</span> |
---|
| 476 | 0406 <span class="comment">% errormsg='projection range needed';</span> |
---|
| 477 | 0407 <span class="comment">% return</span> |
---|
| 478 | 0408 <span class="comment">% end</span> |
---|
| 479 | 0409 <span class="comment">%</span> |
---|
| 480 | 0410 <span class="comment">% for ipoint=1:siz(1)</span> |
---|
| 481 | 0411 <span class="comment">% Xpoint=ObjectData.Coord(ipoint,:);</span> |
---|
| 482 | 0412 <span class="comment">% % Ypoint=ObjectData.YObject(ipoint);</span> |
---|
| 483 | 0413 <span class="comment">% distX=FieldData.X-Xpoint(1);</span> |
---|
| 484 | 0414 <span class="comment">% distY=FieldData.Y-Xpoint(2);</span> |
---|
| 485 | 0415 <span class="comment">% dist=distX.*distX+distY.*distY;</span> |
---|
| 486 | 0416 <span class="comment">% % indsel=find(dist<ObjectData.YMax*ObjectData.YMax);</span> |
---|
| 487 | 0417 <span class="comment">% indsel=find(dist<width*width);</span> |
---|
| 488 | 0418 <span class="comment">% ProjData.X(ipoint,1)=Xpoint(1);</span> |
---|
| 489 | 0419 <span class="comment">% ProjData.Y(ipoint,1)=Xpoint(2);</span> |
---|
| 490 | 0420 <span class="comment">% ProjData.U(ipoint,1)=NaN;</span> |
---|
| 491 | 0421 <span class="comment">% ProjData.V(ipoint,1)=NaN;</span> |
---|
| 492 | 0422 <span class="comment">% ProjData.NbVec(ipoint,1)=length(indsel);</span> |
---|
| 493 | 0423 <span class="comment">% if ~isempty(indsel)</span> |
---|
| 494 | 0424 <span class="comment">% vector_x=FieldData.U(indsel);</span> |
---|
| 495 | 0425 <span class="comment">% vector_y=FieldData.V(indsel);</span> |
---|
| 496 | 0426 <span class="comment">% ProjData.U(ipoint,1)=sum(vector_x)/ProjData.NbVec(ipoint,1);</span> |
---|
| 497 | 0427 <span class="comment">% ProjData.V(ipoint,1)=sum(vector_y)/ProjData.NbVec(ipoint,1);</span> |
---|
| 498 | 0428 <span class="comment">% % ProjData.UMax(ipoint)=max(vector_x);</span> |
---|
| 499 | 0429 <span class="comment">% % ProjData.UMin(ipoint)=min(vector_x);</span> |
---|
| 500 | 0430 <span class="comment">% % ProjData.VMax(ipoint)=max(vector_y);</span> |
---|
| 501 | 0431 <span class="comment">% % ProjData.VMin(ipoint)=min(vector_y);</span> |
---|
| 502 | 0432 <span class="comment">% end</span> |
---|
| 503 | 0433 <span class="comment">% end</span> |
---|
| 504 | 0434 <span class="comment">% elseif isequal(ObjectData.ProjMode,'interp')</span> |
---|
| 505 | 0435 <span class="comment">% ProjData.U=(griddata_uvmat(FieldData.X,FieldData.Y,FieldData.U,ProjData.Coord(:,1),ProjData.Coord(:,2)))';</span> |
---|
| 506 | 0436 <span class="comment">% ProjData.V=(griddata_uvmat(FieldData.X,FieldData.Y,FieldData.V,ProjData.Coord(:,1),ProjData.Coord(:,2)))';</span> |
---|
| 507 | 0437 <span class="comment">% else</span> |
---|
| 508 | 0438 <span class="comment">% errormsg=(['ProjMode option ' ObjectData.ProjMode ' not available in proj_field'])</span> |
---|
| 509 | 0439 <span class="comment">% return</span> |
---|
| 510 | 0440 <span class="comment">% end</span> |
---|
| 511 | 0441 <span class="comment">% end</span> |
---|
| 512 | 0442 <span class="comment">% if isfield(FieldData,'AName')</span> |
---|
| 513 | 0443 <span class="comment">% ProjData.ListVarName={'AY','AX','A'};</span> |
---|
| 514 | 0444 <span class="comment">% ProjData.VarDimIndex={[1],[1],[1]};</span> |
---|
| 515 | 0445 <span class="comment">% % ProjData.ListVarAttribute={'Role'};</span> |
---|
| 516 | 0446 <span class="comment">% % ProjData.Role={'coord_y','coord_x',[]};</span> |
---|
| 517 | 0447 <span class="comment">% % ProjData.VarAttribute{1}.Role='coord_y';</span> |
---|
| 518 | 0448 <span class="comment">% % ProjData.VarAttribute{2}.Role='coord_x';</span> |
---|
| 519 | 0449 <span class="comment">%</span> |
---|
| 520 | 0450 <span class="comment">% % if ~isfield(FieldData,'A')</span> |
---|
| 521 | 0451 <span class="comment">% % ProjData.A=calc_scal(FieldData.AName,ProjData);</span> |
---|
| 522 | 0452 <span class="comment">% % ProjData.AName=FieldData.AName;</span> |
---|
| 523 | 0453 <span class="comment">% % else</span> |
---|
| 524 | 0454 <span class="comment">% siz=size(ObjectData.Coord);</span> |
---|
| 525 | 0455 <span class="comment">% if isequal(size(FieldData.A),size(FieldData.AX))%case of unstructured field at points (AX,AY)</span> |
---|
| 526 | 0456 <span class="comment">% for ipoint=1:siz(1)</span> |
---|
| 527 | 0457 <span class="comment">% Xpoint=ObjectData.Coord(ipoint,1);</span> |
---|
| 528 | 0458 <span class="comment">% Ypoint=ObjectData.Coord(ipoint,2);</span> |
---|
| 529 | 0459 <span class="comment">% distX=FieldData.AX-Xpoint;</span> |
---|
| 530 | 0460 <span class="comment">% distY=FieldData.AY-Ypoint;</span> |
---|
| 531 | 0461 <span class="comment">% dist=distX.*distX+distY.*distY;</span> |
---|
| 532 | 0462 <span class="comment">% % indsel=find(dist<ObjectData.YMax*ObjectData.YMax);</span> |
---|
| 533 | 0463 <span class="comment">% indsel=find(dist<width*width);</span> |
---|
| 534 | 0464 <span class="comment">% ProjData.NbScal=length(indsel);</span> |
---|
| 535 | 0465 <span class="comment">% A=FieldData.A(indsel);</span> |
---|
| 536 | 0466 <span class="comment">% ProjData.A(ipoint)=sum(A)/ProjData.NbScal;</span> |
---|
| 537 | 0467 <span class="comment">% end</span> |
---|
| 538 | 0468 <span class="comment">% elseif length(size(FieldData.A))>=2% A is already a matrix</span> |
---|
| 539 | 0469 <span class="comment">% siz_A=size(FieldData.A);</span> |
---|
| 540 | 0470 <span class="comment">% npx=siz_A(2);</span> |
---|
| 541 | 0471 <span class="comment">% npy=siz_A(1);</span> |
---|
| 542 | 0472 <span class="comment">% if length(siz_A)==3</span> |
---|
| 543 | 0473 <span class="comment">% npcolor=siz_A(3);</span> |
---|
| 544 | 0474 <span class="comment">% ProjData.ListDimName=[ProjData.ListDimName {'rgb'} ];</span> |
---|
| 545 | 0475 <span class="comment">% ProjData.VarDimIndex{3}=[1 2];</span> |
---|
| 546 | 0476 <span class="comment">% ProjData.DimValue=[siz(1) 3];</span> |
---|
| 547 | 0477 <span class="comment">% else</span> |
---|
| 548 | 0478 <span class="comment">% npcolor=1;</span> |
---|
| 549 | 0479 <span class="comment">% end</span> |
---|
| 550 | 0480 <span class="comment">% DX=abs(FieldData.AX(end)-FieldData.AX(1))/(npx-1);</span> |
---|
| 551 | 0481 <span class="comment">% DY=abs(FieldData.AY(end)-FieldData.AY(1))/(npy-1);</span> |
---|
| 552 | 0482 <span class="comment">% for ipoint=1:siz(1)</span> |
---|
| 553 | 0483 <span class="comment">% i_min=round((ObjectData.Coord(ipoint,1)-FieldData.AX(1)-width)/DX+0.5);</span> |
---|
| 554 | 0484 <span class="comment">% i_min=max(1,i_min);</span> |
---|
| 555 | 0485 <span class="comment">% i_plus=round((ObjectData.Coord(ipoint,1)-FieldData.AX(1)+width)/DX+0.5);</span> |
---|
| 556 | 0486 <span class="comment">% i_plus=min(npx,i_plus);</span> |
---|
| 557 | 0487 <span class="comment">% j_min=-round((ObjectData.Coord(ipoint,2)-FieldData.AY(1)+width)/DY+0.5);</span> |
---|
| 558 | 0488 <span class="comment">% j_min=max(1,j_min);</span> |
---|
| 559 | 0489 <span class="comment">% j_plus=-round((ObjectData.Coord(ipoint,2)-FieldData.AY(1)-width)/DY+0.5);</span> |
---|
| 560 | 0490 <span class="comment">% j_plus=min(npy,j_plus);</span> |
---|
| 561 | 0491 <span class="comment">% ProjData.AX(ipoint,1)=ObjectData.Coord(ipoint,1);</span> |
---|
| 562 | 0492 <span class="comment">% ProjData.AY(ipoint,1)=ObjectData.Coord(ipoint,2);</span> |
---|
| 563 | 0493 <span class="comment">% i_int=[i_min:i_plus];</span> |
---|
| 564 | 0494 <span class="comment">% j_int=[j_min:j_plus];</span> |
---|
| 565 | 0495 <span class="comment">% if ~isempty(i_int) & ~isempty(j_int)</span> |
---|
| 566 | 0496 <span class="comment">% Avalue=FieldData.A(j_int,i_int,:);</span> |
---|
| 567 | 0497 <span class="comment">% ProjData.A(ipoint,:)=mean(mean(Avalue));</span> |
---|
| 568 | 0498 <span class="comment">% else</span> |
---|
| 569 | 0499 <span class="comment">% ProjData.A(ipoint,:)=NaN;</span> |
---|
| 570 | 0500 <span class="comment">% end</span> |
---|
| 571 | 0501 <span class="comment">% end</span> |
---|
| 572 | 0502 <span class="comment">% end</span> |
---|
| 573 | 0503 <span class="comment">% end</span> |
---|
| 574 | 0504 |
---|
| 575 | 0505 <span class="comment">%-----------------------------------------------------------------</span> |
---|
| 576 | 0506 <span class="comment">%project in a patch</span> |
---|
| 577 | 0507 <a name="_sub2" href="#_subfunctions" class="code">function [ProjData,errormsg]=proj_patch(FieldData,ObjectData)</a><span class="comment">%%</span> |
---|
| 578 | 0508 <span class="comment">%-------------------------------------------------------------------</span> |
---|
| 579 | 0509 ProjData=<a href="#_sub5" class="code" title="subfunction [ProjData,errormsg]=proj_heading(FieldData,ObjectData)">proj_heading</a>(FieldData,ObjectData); |
---|
| 580 | 0510 |
---|
| 581 | 0511 objectfield=fieldnames(ObjectData); |
---|
| 582 | 0512 widthx=0; |
---|
| 583 | 0513 widthy=0; |
---|
| 584 | 0514 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'RangeX'</span>)&~isempty(ObjectData.RangeX) |
---|
| 585 | 0515 widthx=max(ObjectData.RangeX); |
---|
| 586 | 0516 <span class="keyword">end</span> |
---|
| 587 | 0517 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'RangeY'</span>)&~isempty(ObjectData.RangeY) |
---|
| 588 | 0518 widthy=max(ObjectData.RangeY); |
---|
| 589 | 0519 <span class="keyword">end</span> |
---|
| 590 | 0520 |
---|
| 591 | 0521 <span class="comment">%A REVOIR, GENERALISER: UTILISER proj_line</span> |
---|
| 592 | 0522 ProjData.NbDim=0; |
---|
| 593 | 0523 ProjData.ListDimName={};<span class="comment">%name of dimension</span> |
---|
| 594 | 0524 ProjData.DimValue=[];<span class="comment">%values of dimension (nbre of vectors)</span> |
---|
| 595 | 0525 ProjData.ListVarName={}; |
---|
| 596 | 0526 <span class="comment">%ProjData.VarDimIndex={};</span> |
---|
| 597 | 0527 ProjData.VarDimName={}; |
---|
| 598 | 0528 <span class="keyword">if</span> isfield (FieldData,<span class="string">'ListVarAttribute'</span>) |
---|
| 599 | 0529 ProjData.ListVarAttribute=FieldData.ListVarAttribute;<span class="comment">%list of variable attribute names</span> |
---|
| 600 | 0530 <span class="keyword">for</span> iattr=1:length(ProjData.ListVarAttribute)<span class="comment">%initialization of variable attribute values</span> |
---|
| 601 | 0531 AttrName=ProjData.ListVarAttribute{iattr}; |
---|
| 602 | 0532 eval([<span class="string">'ProjData.'</span> AttrName <span class="string">'={};'</span>]) |
---|
| 603 | 0533 <span class="keyword">end</span>; |
---|
| 604 | 0534 <span class="keyword">end</span> |
---|
| 605 | 0535 |
---|
| 606 | 0536 <span class="comment">%group the variables (fields of 'FieldData') in cells of variables with the same dimensions</span> |
---|
| 607 | 0537 testfalse=0; |
---|
| 608 | 0538 ListIndex={}; |
---|
| 609 | 0539 <span class="comment">% DimVarIndex=0;%initilise list of indices for dimension variables</span> |
---|
| 610 | 0540 idimvar=0; |
---|
| 611 | 0541 [CellVarIndex,NbDim,VarTypeCell,errormsg]=<a href="find_field_indices.html" class="code" title="function [CellVarIndex,NbDim,VarType,errormsg]=find_field_indices(Data)">find_field_indices</a>(FieldData); |
---|
| 612 | 0542 <span class="keyword">if</span> ~isempty(errormsg) |
---|
| 613 | 0543 errormsg=[<span class="string">'error in proj_field/proj_patch:'</span> errormsg]; |
---|
| 614 | 0544 <span class="keyword">return</span> |
---|
| 615 | 0545 <span class="keyword">end</span> |
---|
| 616 | 0546 |
---|
| 617 | 0547 <span class="comment">%LOOP ON GROUPS OF VARIABLES SHARING THE SAME DIMENSIONS</span> |
---|
| 618 | 0548 dimcounter=0; |
---|
| 619 | 0549 <span class="keyword">for</span> icell=1:length(CellVarIndex) |
---|
| 620 | 0550 testX=0; |
---|
| 621 | 0551 testY=0; |
---|
| 622 | 0552 test_Amat=0; |
---|
| 623 | 0553 testfalse=0; |
---|
| 624 | 0554 VarIndex=CellVarIndex{icell};<span class="comment">% indices of the selected variables in the list FieldData.ListVarName</span> |
---|
| 625 | 0555 VarType=VarTypeCell{icell}; |
---|
| 626 | 0556 DimIndices=FieldData.VarDimIndex{VarIndex(1)};<span class="comment">%indices of the dimensions of the first variable (common to all variables in the cell)</span> |
---|
| 627 | 0557 <span class="keyword">if</span> NbDim(icell)~=2<span class="comment">% proj_patch acts only on fields of space dimension 2</span> |
---|
| 628 | 0558 <span class="keyword">continue</span> |
---|
| 629 | 0559 <span class="keyword">end</span> |
---|
| 630 | 0560 testX=~isempty(VarType.coord_x) && ~isempty(VarType.coord_y); |
---|
| 631 | 0561 testfalse=~isempty(VarType.errorflag); |
---|
| 632 | 0562 testproj(VarIndex)=zeros(size(VarIndex));<span class="comment">%default</span> |
---|
| 633 | 0563 testproj(VarType.scalar)=1; |
---|
| 634 | 0564 testproj(VarType.vector_x)=1; |
---|
| 635 | 0565 testproj(VarType.vector_y)=1; |
---|
| 636 | 0566 testproj(VarType.vector_z)=1; |
---|
| 637 | 0567 testproj(VarType.image)=1; |
---|
| 638 | 0568 testproj(VarType.color)=1; |
---|
| 639 | 0569 VarIndex=VarIndex(find(testproj(VarIndex)));<span class="comment">%select only the projected variables</span> |
---|
| 640 | 0570 <span class="keyword">if</span> testX <span class="comment">%case of unstructured coordinates</span> |
---|
| 641 | 0571 eval([<span class="string">'nbpoint=numel(FieldData.'</span> FieldData.ListVarName{VarIndex(1)} <span class="string">');'</span>]) |
---|
| 642 | 0572 <span class="keyword">for</span> ivar=[VarIndex VarType.coord_x VarType.coord_y VarType.errorflag] |
---|
| 643 | 0573 VarName=FieldData.ListVarName{ivar}; |
---|
| 644 | 0574 eval([<span class="string">'FieldData.'</span> VarName <span class="string">'=reshape(FieldData.'</span> VarName <span class="string">',nbpoint,1);'</span>]) |
---|
| 645 | 0575 <span class="keyword">end</span> |
---|
| 646 | 0576 XName=FieldData.ListVarName{VarType.coord_x}; |
---|
| 647 | 0577 YName=FieldData.ListVarName{VarType.coord_y}; |
---|
| 648 | 0578 eval([<span class="string">'coord_x=FieldData.'</span> XName <span class="string">';'</span>]) |
---|
| 649 | 0579 eval([<span class="string">'coord_y=FieldData.'</span> YName <span class="string">';'</span>]) |
---|
| 650 | 0580 <span class="keyword">end</span> |
---|
| 651 | 0581 <span class="keyword">if</span> testfalse |
---|
| 652 | 0582 FFName=FieldData.ListVarName{VarType.errorflag}; |
---|
| 653 | 0583 eval([<span class="string">'errorflag=FieldData.'</span> FFName <span class="string">';'</span>]) |
---|
| 654 | 0584 <span class="keyword">end</span> |
---|
| 655 | 0585 <span class="comment">% image or 2D matrix</span> |
---|
| 656 | 0586 <span class="keyword">if</span> numel(VarType.coord)>=2 & VarType.coord(1:2) > 0; |
---|
| 657 | 0587 test_Amat=1;<span class="comment">%image or 2D matrix</span> |
---|
| 658 | 0588 AYName=FieldData.ListVarName{VarType.coord(1)}; |
---|
| 659 | 0589 AXName=FieldData.ListVarName{VarType.coord(2)}; |
---|
| 660 | 0590 eval([<span class="string">'AX=FieldData.'</span> AXName <span class="string">';'</span>]) |
---|
| 661 | 0591 eval([<span class="string">'AY=FieldData.'</span> AYName <span class="string">';'</span>]) |
---|
| 662 | 0592 VarName=FieldData.ListVarName{VarIndex(1)}; |
---|
| 663 | 0593 eval([<span class="string">'DimValue=size(FieldData.'</span> VarName <span class="string">');'</span>]) |
---|
| 664 | 0594 testcolor=find(numel(DimValue)==3); |
---|
| 665 | 0595 <span class="comment">% errormsg='multicomponent field not projected';</span> |
---|
| 666 | 0596 |
---|
| 667 | 0597 <span class="keyword">for</span> idim=1:length(DimIndices) |
---|
| 668 | 0598 Coord_i_str=[<span class="string">'Coord_'</span> num2str(idim)]; |
---|
| 669 | 0599 DCoord_min(idim)=1;<span class="comment">%default</span> |
---|
| 670 | 0600 Coord{idim}=[0.5 DimValue(idim)]; |
---|
| 671 | 0601 test_direct(idim)=1; |
---|
| 672 | 0602 <span class="keyword">if</span> isfield(FieldData,<span class="string">'VarAttribute'</span>) |
---|
| 673 | 0603 <span class="keyword">for</span> ivar=VarIndex |
---|
| 674 | 0604 <span class="keyword">if</span> length(FieldData.VarAttribute)>=ivar & isfield(FieldData.VarAttribute{ivar},Coord_i_str)<span class="comment">% if there is a variable attribute named Coord_1, _2 or _3</span> |
---|
| 675 | 0605 eval([<span class="string">'Coord_i=FieldData.VarAttribute{ivar}.'</span> Coord_i_str <span class="string">';'</span>]);<span class="comment">%'range x</span> |
---|
| 676 | 0606 <span class="keyword">if</span> isnumeric(Coord_i) |
---|
| 677 | 0607 <span class="keyword">if</span> length(Coord_i)>=2 |
---|
| 678 | 0608 Coord{idim}=[Coord_i(1) Coord_i(end)]; |
---|
| 679 | 0609 <span class="comment">%test_direct(idim)=(Coord{idim}(2)>Coord{idim}(1));</span> |
---|
| 680 | 0610 <span class="keyword">else</span> |
---|
| 681 | 0611 <a href="warndlg_uvmat.html" class="code" title="function hwarn=warndlg_uvmat(warntext,title)">warndlg_uvmat</a>([<span class="string">'two values needed for '</span> Coord_i_str <span class="string">'in proj_field.m'</span>],<span class="string">'ERROR'</span>) |
---|
| 682 | 0612 <span class="keyword">return</span> |
---|
| 683 | 0613 <span class="keyword">end</span> |
---|
| 684 | 0614 <span class="keyword">else</span> |
---|
| 685 | 0615 <a href="warndlg_uvmat.html" class="code" title="function hwarn=warndlg_uvmat(warntext,title)">warndlg_uvmat</a>([<span class="string">'non numerical coordinate attributes'</span> Coord_i_str <span class="string">'in proj_field.m'</span>],<span class="string">'ERROR'</span>) |
---|
| 686 | 0616 <span class="keyword">return</span> |
---|
| 687 | 0617 <span class="keyword">end</span> |
---|
| 688 | 0618 <span class="comment">%test_coord(idim)=1;</span> |
---|
| 689 | 0619 DCoord_min(idim)=(Coord{idim}(end)-Coord{idim}(1))/(DimValue(idim)-1); |
---|
| 690 | 0620 <span class="keyword">end</span> |
---|
| 691 | 0621 <span class="keyword">end</span> |
---|
| 692 | 0622 <span class="keyword">end</span> |
---|
| 693 | 0623 <span class="keyword">end</span> |
---|
| 694 | 0624 AX=linspace(Coord{2}(1),Coord{2}(2),DimValue(2)); |
---|
| 695 | 0625 AY=linspace(Coord{1}(1),Coord{1}(2),DimValue(1)); <span class="comment">%TODO : 3D case</span> |
---|
| 696 | 0626 <span class="keyword">if</span> length(DimValue)==3 |
---|
| 697 | 0627 testcolor=1; |
---|
| 698 | 0628 npxy(3)=3; |
---|
| 699 | 0629 <span class="keyword">else</span> |
---|
| 700 | 0630 testcolor=0; |
---|
| 701 | 0631 <span class="keyword">end</span> |
---|
| 702 | 0632 [Xi,Yi]=meshgrid(AX,AY); |
---|
| 703 | 0633 npxy(1)=length(AY); |
---|
| 704 | 0634 npxy(2)=length(AX); |
---|
| 705 | 0635 Xi=reshape(Xi,npxy(1)*npxy(2),1); |
---|
| 706 | 0636 Yi=reshape(Yi,npxy(1)*npxy(2),1); |
---|
| 707 | 0637 <span class="keyword">for</span> ivar=1:length(VarIndex) |
---|
| 708 | 0638 VarName=FieldData.ListVarName{VarIndex(ivar)}; |
---|
| 709 | 0639 eval([<span class="string">'FieldData.'</span> VarName <span class="string">'=reshape(FieldData.'</span> VarName <span class="string">',npxy(1)*npxy(2),npxy(3));'</span>]); <span class="comment">% keep only non false vectors</span> |
---|
| 710 | 0640 <span class="keyword">end</span> |
---|
| 711 | 0641 <span class="keyword">end</span> |
---|
| 712 | 0642 <span class="comment">%select the indices in the range of action</span> |
---|
| 713 | 0643 testin=[];<span class="comment">%default</span> |
---|
| 714 | 0644 <span class="keyword">if</span> isequal(ObjectData.Style,<span class="string">'rectangle'</span>) |
---|
| 715 | 0645 <span class="comment">% if ~isfield(ObjectData,'RangeX')|~isfield(ObjectData,'RangeY')</span> |
---|
| 716 | 0646 <span class="comment">% errormsg='rectangle half sides RangeX and RangeY needed'</span> |
---|
| 717 | 0647 <span class="comment">% return</span> |
---|
| 718 | 0648 <span class="comment">% end</span> |
---|
| 719 | 0649 <span class="keyword">if</span> testX |
---|
| 720 | 0650 distX=abs(coord_x-ObjectData.Coord(1,1)); |
---|
| 721 | 0651 distY=abs(coord_y-ObjectData.Coord(1,2)); |
---|
| 722 | 0652 testin=distX<widthx & distY<widthy; |
---|
| 723 | 0653 <span class="keyword">elseif</span> test_Amat |
---|
| 724 | 0654 distX=abs(Xi-ObjectData.Coord(1,1)); |
---|
| 725 | 0655 distY=abs(Yi-ObjectData.Coord(1,2)); |
---|
| 726 | 0656 testin=distX<widthx & distY<widthy; |
---|
| 727 | 0657 <span class="keyword">end</span> |
---|
| 728 | 0658 <span class="keyword">elseif</span> isequal(ObjectData.Style,<span class="string">'polygon'</span>) |
---|
| 729 | 0659 <span class="keyword">if</span> testX |
---|
| 730 | 0660 testin=inpolygon(coord_x,coord_y,ObjectData.Coord(:,1),ObjectData.Coord(:,2)); |
---|
| 731 | 0661 <span class="keyword">elseif</span> test_Amat |
---|
| 732 | 0662 testin=inpolygon(Xi,Yi,ObjectData.Coord(:,1),ObjectData.Coord(:,2)); |
---|
| 733 | 0663 <span class="keyword">else</span><span class="comment">%calculate the scalar</span> |
---|
| 734 | 0664 testin=[]; <span class="comment">%A REVOIR</span> |
---|
| 735 | 0665 <span class="keyword">end</span> |
---|
| 736 | 0666 <span class="keyword">elseif</span> isequal(ObjectData.Style,<span class="string">'ellipse'</span>) |
---|
| 737 | 0667 X2Max=widthx*widthx; |
---|
| 738 | 0668 Y2Max=(widthy)*(widthy); |
---|
| 739 | 0669 <span class="keyword">if</span> testX |
---|
| 740 | 0670 distX=(coord_x-ObjectData.Coord(1,1)); |
---|
| 741 | 0671 distY=(coord_y-ObjectData.Coord(1,2)); |
---|
| 742 | 0672 testin=(distX.*distX/X2Max+distY.*distY/Y2Max)<1; |
---|
| 743 | 0673 <span class="keyword">elseif</span> test_Amat <span class="comment">%case of usual 2x2 matrix</span> |
---|
| 744 | 0674 distX=(Xi-ObjectData.Coord(1,1)); |
---|
| 745 | 0675 distY=(Yi-ObjectData.Coord(1,2)); |
---|
| 746 | 0676 testin=(distX.*distX/X2Max+distY.*distY/Y2Max)<1; |
---|
| 747 | 0677 <span class="keyword">end</span> |
---|
| 748 | 0678 <span class="keyword">end</span> |
---|
| 749 | 0679 <span class="comment">%selected indices</span> |
---|
| 750 | 0680 <span class="keyword">if</span> isequal(ObjectData.ProjMode,<span class="string">'outside'</span>) |
---|
| 751 | 0681 testin=~testin; |
---|
| 752 | 0682 <span class="keyword">end</span> |
---|
| 753 | 0683 <span class="keyword">if</span> testfalse |
---|
| 754 | 0684 testin=testin & (errorflag==0); <span class="comment">% keep only non false vectors</span> |
---|
| 755 | 0685 <span class="keyword">end</span> |
---|
| 756 | 0686 indsel=find(testin); |
---|
| 757 | 0687 <span class="keyword">if</span> length(DimIndices)==1 |
---|
| 758 | 0688 ProjDimName=FieldData.ListDimName(DimIndices);<span class="comment">% reproduce the previous dim name</span> |
---|
| 759 | 0689 <span class="keyword">elseif</span> dimcounter==0 |
---|
| 760 | 0690 ProjDimName={<span class="string">'nb_point'</span>}; |
---|
| 761 | 0691 dimcounter=dimcounter+1; |
---|
| 762 | 0692 <span class="keyword">else</span> |
---|
| 763 | 0693 ProjDimName={[<span class="string">'nb_point_'</span> num2str(dimcounter)]}; |
---|
| 764 | 0694 <span class="keyword">end</span> |
---|
| 765 | 0695 <span class="comment">% ProjData.ListDimName=[ProjData.ListDimName ProjDimName];</span> |
---|
| 766 | 0696 <span class="comment">%ProjData.DimValue=[ProjData.DimValue length(indsel)];</span> |
---|
| 767 | 0697 <span class="keyword">for</span> ivar=VarIndex |
---|
| 768 | 0698 <span class="keyword">if</span> testproj(ivar) |
---|
| 769 | 0699 VarName=FieldData.ListVarName{ivar}; |
---|
| 770 | 0700 eval([<span class="string">'ProjData.'</span> VarName <span class="string">'=FieldData.'</span> VarName <span class="string">'(indsel,:);'</span>]); <span class="comment">% keep only non false vectors</span> |
---|
| 771 | 0701 ProjData.ListVarName=[ProjData.ListVarName {VarName}]; |
---|
| 772 | 0702 <span class="comment">% ProjData.VarDimIndex=[ProjData.VarDimIndex {length(ProjData.DimValue)}];</span> |
---|
| 773 | 0703 ProjData.VarDimName=[ProjData.VarDimName ProjDimName]; |
---|
| 774 | 0704 <span class="keyword">end</span> |
---|
| 775 | 0705 <span class="keyword">end</span> |
---|
| 776 | 0706 <span class="keyword">if</span> test_Amat & testcolor |
---|
| 777 | 0707 <span class="comment">%ProjData.ListDimName=[ProjData.ListDimName {'rgb'}];</span> |
---|
| 778 | 0708 <span class="comment">% ProjData.DimValue=[ProjData.DimValue 3];</span> |
---|
| 779 | 0709 <span class="comment">% ProjData.VarDimIndex={[1 2]};</span> |
---|
| 780 | 0710 ProjData.VarDimName={{<span class="string">'nb_point'</span>,<span class="string">'rgb'</span>}}; |
---|
| 781 | 0711 <span class="keyword">end</span> |
---|
| 782 | 0712 <span class="keyword">end</span> |
---|
| 783 | 0713 |
---|
| 784 | 0714 |
---|
| 785 | 0715 |
---|
| 786 | 0716 <span class="comment">%-----------------------------------------------------------------</span> |
---|
| 787 | 0717 <span class="comment">%project on a line</span> |
---|
| 788 | 0718 <span class="comment">% AJOUTER flux,circul,error</span> |
---|
| 789 | 0719 <a name="_sub3" href="#_subfunctions" class="code">function [ProjData,errormsg] = proj_line(FieldData, ObjectData)</a> |
---|
| 790 | 0720 <span class="comment">%-----------------------------------------------------------------</span> |
---|
| 791 | 0721 ProjData=<a href="#_sub5" class="code" title="subfunction [ProjData,errormsg]=proj_heading(FieldData,ObjectData)">proj_heading</a>(FieldData,ObjectData);<span class="comment">%transfer global attributes</span> |
---|
| 792 | 0722 ProjData.NbDim=1; |
---|
| 793 | 0723 |
---|
| 794 | 0724 <span class="comment">%initialisation of the input parameters</span> |
---|
| 795 | 0725 ProjMode=<span class="string">'projection'</span>;<span class="comment">%direct projection on the line by default</span> |
---|
| 796 | 0726 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'ProjMode'</span>),ProjMode=ObjectData.ProjMode; <span class="keyword">end</span>; |
---|
| 797 | 0727 ProjAngle=90; <span class="comment">%90 degrees projection by default</span> |
---|
| 798 | 0728 <span class="keyword">if</span> isfield(FieldData,<span class="string">'ProjAngle'</span>),ProjAngle=ObjectData.ProjAngle; <span class="keyword">end</span>; |
---|
| 799 | 0729 width=0;<span class="comment">%default width of the projection band</span> |
---|
| 800 | 0730 |
---|
| 801 | 0731 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'Range'</span>)&size(ObjectData.Range,2)>=2 |
---|
| 802 | 0732 width=abs(ObjectData.Range(1,2)); |
---|
| 803 | 0733 <span class="keyword">end</span> |
---|
| 804 | 0734 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'RangeY'</span>) |
---|
| 805 | 0735 width=max(ObjectData.RangeY); |
---|
| 806 | 0736 <span class="keyword">end</span> |
---|
| 807 | 0737 error=0;<span class="comment">%default</span> |
---|
| 808 | 0738 Xline=[]; |
---|
| 809 | 0739 |
---|
| 810 | 0740 flux=0; |
---|
| 811 | 0741 circul=0; |
---|
| 812 | 0742 liny=ObjectData.Coord(:,2); |
---|
| 813 | 0743 siz_line=size(ObjectData.Coord); |
---|
| 814 | 0744 <span class="keyword">if</span> siz_line(1)<2 |
---|
| 815 | 0745 <span class="keyword">return</span><span class="comment">% line needs at least 2 points to be defined</span> |
---|
| 816 | 0746 <span class="keyword">end</span> |
---|
| 817 | 0747 testfalse=0; |
---|
| 818 | 0748 ListIndex={}; |
---|
| 819 | 0749 |
---|
| 820 | 0750 <span class="comment">%angles of the polyline and boundaries of action</span> |
---|
| 821 | 0751 dlinx=diff(ObjectData.Coord(:,1)); |
---|
| 822 | 0752 dliny=diff(ObjectData.Coord(:,2)); |
---|
| 823 | 0753 theta=angle(dlinx+i*dliny);<span class="comment">%angle of each segment</span> |
---|
| 824 | 0754 theta(siz_line(1))=theta(siz_line(1)-1); |
---|
| 825 | 0755 <span class="comment">% determine a rectangles at +-width from the line (only used for the ProjMode='projection or 'filter')</span> |
---|
| 826 | 0756 <span class="keyword">if</span> isequal(ProjMode,<span class="string">'projection'</span>) || isequal(ProjMode,<span class="string">'filter'</span>) |
---|
| 827 | 0757 xsup(1)=ObjectData.Coord(1,1)-width*sin(theta(1)); |
---|
| 828 | 0758 xinf(1)=ObjectData.Coord(1,1)+width*sin(theta(1)); |
---|
| 829 | 0759 ysup(1)=ObjectData.Coord(1,2)+width*cos(theta(1)); |
---|
| 830 | 0760 yinf(1)=ObjectData.Coord(1,2)-width*cos(theta(1)); |
---|
| 831 | 0761 <span class="keyword">for</span> ip=2:siz_line(1) |
---|
| 832 | 0762 xsup(ip)=ObjectData.Coord(ip,1)-width*sin((theta(ip)+theta(ip-1))/2)/cos((theta(ip-1)-theta(ip))/2); |
---|
| 833 | 0763 xinf(ip)=ObjectData.Coord(ip,1)+width*sin((theta(ip)+theta(ip-1))/2)/cos((theta(ip-1)-theta(ip))/2); |
---|
| 834 | 0764 ysup(ip)=ObjectData.Coord(ip,2)+width*cos((theta(ip)+theta(ip-1))/2)/cos((theta(ip-1)-theta(ip))/2); |
---|
| 835 | 0765 yinf(ip)=ObjectData.Coord(ip,2)-width*cos((theta(ip)+theta(ip-1))/2)/cos((theta(ip-1)-theta(ip))/2); |
---|
| 836 | 0766 <span class="keyword">end</span> |
---|
| 837 | 0767 <span class="keyword">end</span> |
---|
| 838 | 0768 |
---|
| 839 | 0769 <span class="comment">%group the variables (fields of 'FieldData') in cells of variables with the same dimensions</span> |
---|
| 840 | 0770 [CellVarIndex,NbDim,VarTypeCell,errormsg]=<a href="find_field_indices.html" class="code" title="function [CellVarIndex,NbDim,VarType,errormsg]=find_field_indices(Data)">find_field_indices</a>(FieldData); |
---|
| 841 | 0771 <span class="keyword">if</span> ~isempty(errormsg) |
---|
| 842 | 0772 errormsg=[<span class="string">'error in proj_field/proj_line:'</span> errormsg]; |
---|
| 843 | 0773 <span class="keyword">return</span> |
---|
| 844 | 0774 <span class="keyword">end</span> |
---|
| 845 | 0775 |
---|
| 846 | 0776 ProjData.ListVarName={}; |
---|
| 847 | 0777 ProjData.VarDimName={}; |
---|
| 848 | 0778 <span class="keyword">for</span> icell=1:length(CellVarIndex) |
---|
| 849 | 0779 VarIndex=CellVarIndex{icell};<span class="comment">% indices of the selected variables in the list FieldData.ListVarName</span> |
---|
| 850 | 0780 VarType=VarTypeCell{icell}; |
---|
| 851 | 0781 <span class="comment">%DimCell=FieldData.VarDimName{VarIndex(1)}; % list of dimension names fore the cell</span> |
---|
| 852 | 0782 <span class="keyword">if</span> NbDim(icell)~=2<span class="comment">% proj_line acts only on fields of space dimension 2, TODO: check 3D case</span> |
---|
| 853 | 0783 <span class="keyword">continue</span> |
---|
| 854 | 0784 <span class="keyword">end</span> |
---|
| 855 | 0785 testX=~isempty(VarType.coord_x) && ~isempty(VarType.coord_y); |
---|
| 856 | 0786 testU=~isempty(VarType.vector_x) && ~isempty(VarType.vector_y); |
---|
| 857 | 0787 testfalse=~isempty(VarType.errorflag); |
---|
| 858 | 0788 testproj(VarIndex)=zeros(size(VarIndex));<span class="comment">%default</span> |
---|
| 859 | 0789 testproj(VarType.scalar)=1; |
---|
| 860 | 0790 <span class="comment">% testproj(VarType.vector_x)=1;</span> |
---|
| 861 | 0791 <span class="comment">% testproj(VarType.vector_y)=1;</span> |
---|
| 862 | 0792 testproj(VarType.vector_z)=1; |
---|
| 863 | 0793 testproj(VarType.image)=1; |
---|
| 864 | 0794 testproj(VarType.color)=1; |
---|
| 865 | 0795 VarIndex=VarIndex(find(testproj(VarIndex)));<span class="comment">%select only the projected variables</span> |
---|
| 866 | 0796 <span class="keyword">if</span> testU |
---|
| 867 | 0797 VarIndex=[VarIndex VarType.vector_x VarType.vector_y];<span class="comment">%put u and v at the end of the list of variables</span> |
---|
| 868 | 0798 <span class="keyword">end</span> |
---|
| 869 | 0799 <span class="comment">%identify vector components</span> |
---|
| 870 | 0800 <span class="keyword">if</span> testU |
---|
| 871 | 0801 UName=FieldData.ListVarName{VarType.vector_x}; |
---|
| 872 | 0802 VName=FieldData.ListVarName{VarType.vector_y}; |
---|
| 873 | 0803 eval([<span class="string">'vector_x=FieldData.'</span> UName <span class="string">';'</span>]) |
---|
| 874 | 0804 eval([<span class="string">'vector_y=FieldData.'</span> VName <span class="string">';'</span>]) |
---|
| 875 | 0805 <span class="keyword">end</span> |
---|
| 876 | 0806 |
---|
| 877 | 0807 <span class="comment">%identify error flag</span> |
---|
| 878 | 0808 <span class="keyword">if</span> testfalse |
---|
| 879 | 0809 FFName=FieldData.ListVarName{VarType.errorflag}; |
---|
| 880 | 0810 eval([<span class="string">'errorflag=FieldData.'</span> FFName <span class="string">';'</span>]) |
---|
| 881 | 0811 <span class="keyword">end</span> |
---|
| 882 | 0812 |
---|
| 883 | 0813 <span class="comment">%identify coordinates</span> |
---|
| 884 | 0814 <span class="comment">% ivar_x=VarType.coord_x % .ccord_x and .coord_y exist if NbDim(icell)>=2</span> |
---|
| 885 | 0815 <span class="comment">% DimCell_x=FieldData.VarDimName{ivar_x};</span> |
---|
| 886 | 0816 <span class="comment">% if ischar(DimCell_x)</span> |
---|
| 887 | 0817 <span class="comment">% DimCell_x={DimCell_x};</span> |
---|
| 888 | 0818 <span class="comment">% end</span> |
---|
| 889 | 0819 |
---|
| 890 | 0820 <span class="comment">% case of unstructured positions (position given by the variables with role coord_x, coord_y</span> |
---|
| 891 | 0821 <span class="keyword">if</span> testX |
---|
| 892 | 0822 <span class="keyword">if</span> ~isequal(ProjMode,<span class="string">'interp'</span>) |
---|
| 893 | 0823 <span class="keyword">if</span> width==0 |
---|
| 894 | 0824 errormsg=<span class="string">'range of the projection object is missing'</span>; |
---|
| 895 | 0825 <span class="keyword">return</span> |
---|
| 896 | 0826 <span class="keyword">else</span> |
---|
| 897 | 0827 lambda=2/(width*width); <span class="comment">%smoothing factor used for filter: weight exp(-2) at distance width from the line</span> |
---|
| 898 | 0828 <span class="keyword">end</span> |
---|
| 899 | 0829 <span class="keyword">end</span> |
---|
| 900 | 0830 <span class="keyword">if</span> ~isequal(ProjMode,<span class="string">'projection'</span>) |
---|
| 901 | 0831 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'DX'</span>)&~isempty(ObjectData.DX) |
---|
| 902 | 0832 DX=abs(ObjectData.DX);<span class="comment">%mesh of interpolation points along the line</span> |
---|
| 903 | 0833 <span class="keyword">else</span> |
---|
| 904 | 0834 errormsg=<span class="string">'DX missing'</span>; |
---|
| 905 | 0835 <span class="keyword">return</span> |
---|
| 906 | 0836 <span class="keyword">end</span> |
---|
| 907 | 0837 <span class="keyword">end</span> |
---|
| 908 | 0838 XName= FieldData.ListVarName{VarType.coord_x}; |
---|
| 909 | 0839 YName= FieldData.ListVarName{VarType.coord_y}; |
---|
| 910 | 0840 eval([<span class="string">'coord_x=FieldData.'</span> XName <span class="string">';'</span>]) |
---|
| 911 | 0841 eval([<span class="string">'coord_y=FieldData.'</span> YName <span class="string">';'</span>]) |
---|
| 912 | 0842 <span class="keyword">end</span> |
---|
| 913 | 0843 |
---|
| 914 | 0844 <span class="comment">%initiate projection</span> |
---|
| 915 | 0845 <span class="keyword">for</span> ivar=1:length(VarIndex) |
---|
| 916 | 0846 ProjLine{ivar}=[]; |
---|
| 917 | 0847 <span class="keyword">end</span> |
---|
| 918 | 0848 XLine=[]; |
---|
| 919 | 0849 linelengthtot=0; |
---|
| 920 | 0850 |
---|
| 921 | 0851 <span class="comment">% circul=0;</span> |
---|
| 922 | 0852 <span class="comment">% flux=0;</span> |
---|
| 923 | 0853 <span class="comment">%%%%%%% % A FAIRE CALCULER MEAN DES QUANTITES %%%%%%</span> |
---|
| 924 | 0854 <span class="comment">%case of unstructured coordinates</span> |
---|
| 925 | 0855 <span class="keyword">if</span> testX |
---|
| 926 | 0856 <span class="keyword">for</span> ip=1:siz_line(1)-1 <span class="comment">%Loop on the segments of the polyline</span> |
---|
| 927 | 0857 linelength=sqrt(dlinx(ip)*dlinx(ip)+dliny(ip)*dliny(ip)); |
---|
| 928 | 0858 <span class="comment">%select the vector indices in the range of action</span> |
---|
| 929 | 0859 <span class="keyword">if</span> testfalse |
---|
| 930 | 0860 flagsel=(errorflag==0); <span class="comment">% keep only non false vectors</span> |
---|
| 931 | 0861 <span class="keyword">else</span> |
---|
| 932 | 0862 flagsel=ones(size(coord_x)); |
---|
| 933 | 0863 <span class="keyword">end</span> |
---|
| 934 | 0864 <span class="keyword">if</span> isequal(ProjMode,<span class="string">'projection'</span>) | isequal(ProjMode,<span class="string">'filter'</span>) |
---|
| 935 | 0865 flagsel=flagsel & ((coord_y -yinf(ip))*(xinf(ip+1)-xinf(ip))>(coord_x-xinf(ip))*(yinf(ip+1)-yinf(ip))) <span class="keyword">...</span> |
---|
| 936 | 0866 & ((coord_y -ysup(ip))*(xsup(ip+1)-xsup(ip))<(coord_x-xsup(ip))*(ysup(ip+1)-ysup(ip))) <span class="keyword">...</span> |
---|
| 937 | 0867 & ((coord_y -yinf(ip+1))*(xsup(ip+1)-xinf(ip+1))>(coord_x-xinf(ip+1))*(ysup(ip+1)-yinf(ip+1))) <span class="keyword">...</span> |
---|
| 938 | 0868 & ((coord_y -yinf(ip))*(xsup(ip)-xinf(ip))<(coord_x-xinf(ip))*(ysup(ip)-yinf(ip))); |
---|
| 939 | 0869 <span class="keyword">end</span> |
---|
| 940 | 0870 indsel=find(flagsel);<span class="comment">%indsel =indices of good vectors</span> |
---|
| 941 | 0871 X_sel=coord_x(indsel); |
---|
| 942 | 0872 Y_sel=coord_y(indsel); |
---|
| 943 | 0873 nbvar=0; |
---|
| 944 | 0874 <span class="keyword">for</span> iselect=1:numel(VarIndex)-2*testU |
---|
| 945 | 0875 VarName=FieldData.ListVarName{VarIndex(iselect)}; |
---|
| 946 | 0876 eval([<span class="string">'ProjVar{iselect}=FieldData.'</span> VarName <span class="string">'(indsel);'</span>]);<span class="comment">%scalar value</span> |
---|
| 947 | 0877 <span class="keyword">end</span> |
---|
| 948 | 0878 <span class="keyword">if</span> testU |
---|
| 949 | 0879 ProjVar{numel(VarIndex)-1}=cos(theta(ip))*vector_x(indsel)+sin(theta(ip))*vector_y(indsel);<span class="comment">% longitudinal component</span> |
---|
| 950 | 0880 ProjVar{numel(VarIndex)}=-sin(theta(ip))*vector_x(indsel)+cos(theta(ip))*vector_y(indsel);<span class="comment">%transverse component</span> |
---|
| 951 | 0881 <span class="keyword">end</span> |
---|
| 952 | 0882 <span class="keyword">if</span> isequal(ProjMode,<span class="string">'projection'</span>) |
---|
| 953 | 0883 sintheta=sin(theta(ip)); |
---|
| 954 | 0884 costheta=cos(theta(ip)); |
---|
| 955 | 0885 Xproj=(X_sel-ObjectData.Coord(ip,1))*costheta + (Y_sel-ObjectData.Coord(ip,2))*sintheta; <span class="comment">%projection on the line</span> |
---|
| 956 | 0886 [Xproj,indsort]=sort(Xproj); |
---|
| 957 | 0887 <span class="keyword">for</span> ivar=1:numel(ProjVar) |
---|
| 958 | 0888 <span class="keyword">if</span> ~isempty(ProjVar{ivar}) |
---|
| 959 | 0889 ProjVar{ivar}=ProjVar{ivar}(indsort); |
---|
| 960 | 0890 <span class="keyword">end</span> |
---|
| 961 | 0891 <span class="keyword">end</span> |
---|
| 962 | 0892 <span class="keyword">elseif</span> isequal(ProjMode,<span class="string">'interp'</span>) <span class="comment">%linear interpolation:</span> |
---|
| 963 | 0893 npoint=floor(linelength/DX)+1;<span class="comment">% nbre of points in the profile (interval DX)</span> |
---|
| 964 | 0894 Xproj=[linelength/(2*npoint):linelength/npoint:linelength-linelength/(2*npoint)]; |
---|
| 965 | 0895 xreg=cos(theta(ip))*Xproj+ObjectData.Coord(ip,1); |
---|
| 966 | 0896 yreg=sin(theta(ip))*Xproj+ObjectData.Coord(ip,2); |
---|
| 967 | 0897 <span class="keyword">for</span> ivar=1:numel(ProjVar) |
---|
| 968 | 0898 <span class="keyword">if</span> ~isempty(ProjVar{ivar}) |
---|
| 969 | 0899 ProjVar{ivar}=<a href="griddata_uvmat.html" class="code" title="function ZI = griddata_uvmat(X,Y,Z,XI,YI)">griddata_uvmat</a>(X_sel,Y_sel,ProjVar{ivar},xreg,yreg); |
---|
| 970 | 0900 <span class="keyword">end</span> |
---|
| 971 | 0901 <span class="keyword">end</span> |
---|
| 972 | 0902 <span class="keyword">elseif</span> isequal(ProjMode,<span class="string">'filter'</span>) <span class="comment">%filtering</span> |
---|
| 973 | 0903 npoint=floor(linelength/DX)+1;<span class="comment">% nbre of points in the profile (interval DX)</span> |
---|
| 974 | 0904 Xproj=[linelength/(2*npoint):linelength/npoint:linelength-linelength/(2*npoint)]; |
---|
| 975 | 0905 siz=size(X_sel); |
---|
| 976 | 0906 xregij=cos(theta(ip))*Xproj'*ones(1,siz(2))+ObjectData.Coord(ip,1); |
---|
| 977 | 0907 yregij=sin(theta(ip))*Xproj'*ones(1,siz(2))+ObjectData.Coord(ip,2); |
---|
| 978 | 0908 xij=ones(npoint,1)*X_sel; |
---|
| 979 | 0909 yij=ones(npoint,1)*Y_sel; |
---|
| 980 | 0910 Aij=exp(-lambda*((xij-xregij).*(xij-xregij)+(yij-yregij).*(yij-yregij))); |
---|
| 981 | 0911 norm=ones(1,siz(2))*Aij'; |
---|
| 982 | 0912 <span class="keyword">for</span> ivar=1:numel(ProjVar) |
---|
| 983 | 0913 <span class="keyword">if</span> ~isempty(ProjVar{ivar}) |
---|
| 984 | 0914 ProjVar{ivar}=ProjVar{ivar}*Aij'./norm; |
---|
| 985 | 0915 <span class="keyword">end</span> |
---|
| 986 | 0916 <span class="keyword">end</span> |
---|
| 987 | 0917 <span class="keyword">end</span> |
---|
| 988 | 0918 <span class="comment">%prolongate the total record</span> |
---|
| 989 | 0919 <span class="keyword">for</span> ivar=1:numel(ProjVar) |
---|
| 990 | 0920 <span class="keyword">if</span> ~isempty(ProjVar{ivar}) |
---|
| 991 | 0921 ProjLine{ivar}=[ProjLine{ivar}; ProjVar{ivar}]; |
---|
| 992 | 0922 <span class="keyword">end</span> |
---|
| 993 | 0923 <span class="keyword">end</span> |
---|
| 994 | 0924 XLine=[XLine ;(Xproj+linelengthtot)];<span class="comment">%along line abscissa</span> |
---|
| 995 | 0925 linelengthtot=linelengthtot+linelength; |
---|
| 996 | 0926 <span class="comment">% circul=circul+(sum(U_sel))*linelength/npoint;</span> |
---|
| 997 | 0927 <span class="comment">% flux=flux+(sum(V_sel))*linelength/npoint;</span> |
---|
| 998 | 0928 <span class="keyword">end</span> |
---|
| 999 | 0929 ProjData.X=XLine'; |
---|
| 1000 | 0930 <span class="comment">% eval(['ProjData.' XName '=XLine'';']); % x coordinate</span> |
---|
| 1001 | 0931 <span class="comment">%ProjData.ListDimName={XName};</span> |
---|
| 1002 | 0932 <span class="comment">%ProjData.DimValue=[length(XLine)];%values of dimension (nbre of vectors)</span> |
---|
| 1003 | 0933 cur_index=1; |
---|
| 1004 | 0934 ProjData.ListVarName=[ProjData.ListVarName {XName}]; |
---|
| 1005 | 0935 ProjData.VarDimName=[ProjData.VarDimName {XName}]; |
---|
| 1006 | 0936 <span class="comment">%ProjData.VarDimIndex{1}=[1];</span> |
---|
| 1007 | 0937 ProjData.VarAttribute{1}.long_name=<span class="string">'abscissa along line'</span>; |
---|
| 1008 | 0938 |
---|
| 1009 | 0939 <span class="comment">%ProjData.VarAttribute{1}.Role='coord_x';</span> |
---|
| 1010 | 0940 <span class="keyword">for</span> iselect=1:numel(VarIndex) |
---|
| 1011 | 0941 VarName=FieldData.ListVarName{VarIndex(iselect)}; |
---|
| 1012 | 0942 eval([<span class="string">'ProjData.'</span> VarName <span class="string">'=ProjLine{iselect};'</span>]) |
---|
| 1013 | 0943 ProjData.ListVarName=[ProjData.ListVarName {VarName}]; |
---|
| 1014 | 0944 ProjData.VarDimName=[ProjData.VarDimName {XName}]; |
---|
| 1015 | 0945 <span class="comment">%ProjData.VarDimIndex=[ProjData.VarDimIndex {[1]}];</span> |
---|
| 1016 | 0946 ProjData.VarAttribute{iselect}=FieldData.VarAttribute{VarIndex(iselect)}; |
---|
| 1017 | 0947 <span class="keyword">end</span> |
---|
| 1018 | 0948 |
---|
| 1019 | 0949 <span class="comment">%case of structured coordinates</span> |
---|
| 1020 | 0950 <span class="keyword">elseif</span> numel(VarType.coord)>=2 & VarType.coord(1:2) > 0; |
---|
| 1021 | 0951 <span class="keyword">if</span> ~isequal(ObjectData.Style,<span class="string">'line'</span>)<span class="comment">% exclude polyline</span> |
---|
| 1022 | 0952 errormsg=[<span class="string">'no projection available on '</span> ObjectData.Style <span class="string">'for structured coordinates'</span>]; <span class="comment">%</span> |
---|
| 1023 | 0953 <span class="keyword">else</span> |
---|
| 1024 | 0954 test_Amat=1;<span class="comment">%image or 2D matrix</span> |
---|
| 1025 | 0955 test_interp2=0;<span class="comment">%default</span> |
---|
| 1026 | 0956 <span class="comment">% if ~isempty(VarType.coord_y)</span> |
---|
| 1027 | 0957 AYName=FieldData.ListVarName{VarType.coord(1)}; |
---|
| 1028 | 0958 AXName=FieldData.ListVarName{VarType.coord(2)}; |
---|
| 1029 | 0959 eval([<span class="string">'AX=FieldData.'</span> AXName <span class="string">';'</span>]);<span class="comment">% set of x positions</span> |
---|
| 1030 | 0960 eval([<span class="string">'AY=FieldData.'</span> AYName <span class="string">';'</span>]);<span class="comment">% set of y positions</span> |
---|
| 1031 | 0961 AName=FieldData.ListVarName{VarType.scalar}; |
---|
| 1032 | 0962 eval([<span class="string">'A=FieldData.'</span> AName <span class="string">';'</span>]);<span class="comment">% scalar</span> |
---|
| 1033 | 0963 npxy=size(A); |
---|
| 1034 | 0964 npx=npxy(2); |
---|
| 1035 | 0965 npy=npxy(1); |
---|
| 1036 | 0966 <span class="keyword">if</span> numel(AX)==2 |
---|
| 1037 | 0967 DX=(AX(2)-AX(1))/(npx-1); |
---|
| 1038 | 0968 <span class="keyword">else</span> |
---|
| 1039 | 0969 DX_vec=diff(AX); |
---|
| 1040 | 0970 DX=max(DX_vec); |
---|
| 1041 | 0971 DX_min=min(DX_vec); |
---|
| 1042 | 0972 <span class="keyword">if</span> (DX-DX_min)>0.0001*abs(DX) |
---|
| 1043 | 0973 test_interp2=1; |
---|
| 1044 | 0974 DX=DX_min; |
---|
| 1045 | 0975 <span class="keyword">end</span> |
---|
| 1046 | 0976 <span class="keyword">end</span> |
---|
| 1047 | 0977 <span class="keyword">if</span> numel(AY)==2 |
---|
| 1048 | 0978 DY=(AY(2)-AY(1))/(npy-1); |
---|
| 1049 | 0979 <span class="keyword">else</span> |
---|
| 1050 | 0980 DY_vec=diff(AY); |
---|
| 1051 | 0981 DY=max(DY_vec); |
---|
| 1052 | 0982 DY_min=min(DY_vec); |
---|
| 1053 | 0983 <span class="keyword">if</span> (DY-DY_min)>0.0001*abs(DY) |
---|
| 1054 | 0984 test_interp2=1; |
---|
| 1055 | 0985 DY=DY_min; |
---|
| 1056 | 0986 <span class="keyword">end</span> |
---|
| 1057 | 0987 <span class="keyword">end</span> |
---|
| 1058 | 0988 AXI=linspace(AX(1),AX(end), npx);<span class="comment">%set of x positions for the interpolated input data</span> |
---|
| 1059 | 0989 AYI=linspace(AY(1),AY(end), npy);<span class="comment">%set of x positions for the interpolated input data</span> |
---|
| 1060 | 0990 <span class="comment">% else % coordinates defined by first and last values (regular grids)</span> |
---|
| 1061 | 0991 <span class="comment">% if isempty(Coord_x)</span> |
---|
| 1062 | 0992 <span class="comment">% Coord_x=[0.5 npx-0.5];% default coordinate equal to index</span> |
---|
| 1063 | 0993 <span class="comment">% end</span> |
---|
| 1064 | 0994 <span class="comment">% if isempty(Coord_y)</span> |
---|
| 1065 | 0995 <span class="comment">% Coord_y=[npy-0.5 0.5];% default coordinate equal to reversed index (image convention)</span> |
---|
| 1066 | 0996 <span class="comment">% end</span> |
---|
| 1067 | 0997 <span class="comment">% AXI=linspace(Coord_x(1),Coord_x(2), npx);%set of y positions in the input data</span> |
---|
| 1068 | 0998 <span class="comment">% DX=(Coord_x(2)-Coord_x(1))/(npx-1);%grid mesh</span> |
---|
| 1069 | 0999 <span class="comment">% AYI=linspace(Coord_y(1),Coord_y(2), npy);%set of y positions in the input data</span> |
---|
| 1070 | 1000 <span class="comment">% DY=(Coord_y(2)-Coord_y(1))/(npy-1);%grid mesh</span> |
---|
| 1071 | 1001 <span class="comment">% % indcolor([1 2])=[]; %indices of non-coordinate dimensions (e.g; color component)</span> |
---|
| 1072 | 1002 <span class="comment">% end</span> |
---|
| 1073 | 1003 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'DX'</span>) |
---|
| 1074 | 1004 DXY_line=ObjectData.DX;<span class="comment">%mesh on the projection line</span> |
---|
| 1075 | 1005 <span class="keyword">else</span> |
---|
| 1076 | 1006 DXY_line=sqrt(abs(DX*DY));<span class="comment">% mesh on the projection line</span> |
---|
| 1077 | 1007 <span class="keyword">end</span> |
---|
| 1078 | 1008 dlinx=ObjectData.Coord(2,1)-ObjectData.Coord(1,1); |
---|
| 1079 | 1009 dliny=ObjectData.Coord(2,2)-ObjectData.Coord(1,2); |
---|
| 1080 | 1010 linelength=sqrt(dlinx*dlinx+dliny*dliny); |
---|
| 1081 | 1011 theta=angle(dlinx+i*dliny);<span class="comment">%angle of the line</span> |
---|
| 1082 | 1012 <span class="keyword">if</span> isfield(FieldData,<span class="string">'RangeX'</span>) |
---|
| 1083 | 1013 XMin=min(FieldData.RangeX);<span class="comment">%shift of the origin on the line</span> |
---|
| 1084 | 1014 <span class="keyword">else</span> |
---|
| 1085 | 1015 XMin=0; |
---|
| 1086 | 1016 <span class="keyword">end</span> |
---|
| 1087 | 1017 ProjData.AX=linspace(XMin,XMin+linelength,linelength/DXY_line+1);<span class="comment">%abscissa of the new pixels along the line</span> |
---|
| 1088 | 1018 y=linspace(-width,width,2*width/DXY_line+1);<span class="comment">%ordintes of the new pixels (coordinate across the line)</span> |
---|
| 1089 | 1019 npX=length(ProjData.AX); |
---|
| 1090 | 1020 npY=length(y); <span class="comment">%TODO: utiliser proj_grid</span> |
---|
| 1091 | 1021 [X,Y]=meshgrid(ProjData.AX,y);<span class="comment">%grid in the line coordinates</span> |
---|
| 1092 | 1022 XIMA=ObjectData.Coord(1,1)+(X-XMin)*cos(theta)-Y*sin(theta); |
---|
| 1093 | 1023 YIMA=ObjectData.Coord(1,2)+(X-XMin)*sin(theta)+Y*cos(theta); |
---|
| 1094 | 1024 XIMA=(XIMA-AX(1))/DX+1;<span class="comment">% index of the original image along x</span> |
---|
| 1095 | 1025 YIMA=(YIMA-AY(1))/DY+1;<span class="comment">% index of the original image along y</span> |
---|
| 1096 | 1026 XIMA=reshape(round(XIMA),1,npX*npY);<span class="comment">%indices reorganized in 'line'</span> |
---|
| 1097 | 1027 YIMA=reshape(round(YIMA),1,npX*npY); |
---|
| 1098 | 1028 flagin=XIMA>=1 & XIMA<=npx & YIMA >=1 & YIMA<=npy;<span class="comment">%flagin=1 inside the original image</span> |
---|
| 1099 | 1029 ind_in=find(flagin); |
---|
| 1100 | 1030 ind_out=find(~flagin); |
---|
| 1101 | 1031 ICOMB=(XIMA-1)*npy+YIMA; |
---|
| 1102 | 1032 ICOMB=ICOMB(flagin);<span class="comment">%index corresponding to XIMA and YIMA in the aligned original image vec_A</span> |
---|
| 1103 | 1033 nbcolor=1; <span class="comment">%color images</span> |
---|
| 1104 | 1034 <span class="keyword">if</span> numel(npxy)==2 |
---|
| 1105 | 1035 nbcolor=1; |
---|
| 1106 | 1036 <span class="keyword">elseif</span> length(npxy)==3 |
---|
| 1107 | 1037 nbcolor=npxy(3); |
---|
| 1108 | 1038 <span class="keyword">else</span> |
---|
| 1109 | 1039 errormsg=<span class="string">'multicomponent field not projected'</span>; |
---|
| 1110 | 1040 display(errormsg) |
---|
| 1111 | 1041 <span class="keyword">return</span> |
---|
| 1112 | 1042 <span class="keyword">end</span> |
---|
| 1113 | 1043 nbvar=length(ProjData.ListVarName);<span class="comment">% number of var from previous cells</span> |
---|
| 1114 | 1044 <span class="comment">% nbdim=length(ProjData.ListDimName);%number of dim from previous cells</span> |
---|
| 1115 | 1045 ProjData.ListVarName=[ProjData.ListVarName {AXName}]; |
---|
| 1116 | 1046 ProjData.VarDimName=[ProjData.VarDimName {AXName}]; |
---|
| 1117 | 1047 <span class="keyword">for</span> ivar=VarIndex |
---|
| 1118 | 1048 VarName{ivar}=FieldData.ListVarName{ivar}; |
---|
| 1119 | 1049 <span class="keyword">if</span> test_interp2<span class="comment">% interpolate on new grid</span> |
---|
| 1120 | 1050 eval([<span class="string">'FieldData.'</span> VarName{ivar} <span class="string">'=interp2(FieldData.'</span> AXName <span class="string">',FieldData.'</span> AYName <span class="string">',FieldData.'</span> VarName{ivar} <span class="string">',AXI,AYI'');'</span>]) <span class="comment">%TO TEST</span> |
---|
| 1121 | 1051 <span class="keyword">end</span> |
---|
| 1122 | 1052 eval([<span class="string">'vec_A=reshape(squeeze(FieldData.'</span> VarName{ivar} <span class="string">'),npx*npy,nbcolor);'</span>]) <span class="comment">%put the original image in colum</span> |
---|
| 1123 | 1053 <span class="keyword">if</span> nbcolor==1 |
---|
| 1124 | 1054 vec_B(ind_in)=vec_A(ICOMB); |
---|
| 1125 | 1055 vec_B(ind_out)=zeros(size(ind_out)); |
---|
| 1126 | 1056 A_out=reshape(vec_B,npY,npX); |
---|
| 1127 | 1057 eval([<span class="string">'ProjData.'</span> VarName{ivar} <span class="string">'=((sum(A_out,1)/npY))'';'</span>]); |
---|
| 1128 | 1058 <span class="keyword">elseif</span> nbcolor==3 |
---|
| 1129 | 1059 vec_B(ind_in,[1:3])=vec_A(ICOMB,:); |
---|
| 1130 | 1060 vec_B(ind_out,1)=zeros(size(ind_out)); |
---|
| 1131 | 1061 vec_B(ind_out,2)=zeros(size(ind_out)); |
---|
| 1132 | 1062 vec_B(ind_out,3)=zeros(size(ind_out)); |
---|
| 1133 | 1063 A_out=reshape(vec_B,npY,npX,nbcolor); |
---|
| 1134 | 1064 eval([<span class="string">'ProjData.'</span> VarName{ivar} <span class="string">'=squeeze(sum(A_out,1)/npY);'</span>]); |
---|
| 1135 | 1065 <span class="keyword">end</span> |
---|
| 1136 | 1066 ProjData.ListVarName=[ProjData.ListVarName VarName{ivar} ]; |
---|
| 1137 | 1067 ProjData.VarDimName=[ProjData.VarDimName {AXName}];<span class="comment">%to generalize with the initial name of the x coordinate</span> |
---|
| 1138 | 1068 <span class="comment">%ProjData.VarDimIndex=[ProjData.VarDimIndex nbdim+1];</span> |
---|
| 1139 | 1069 <span class="keyword">end</span> |
---|
| 1140 | 1070 <span class="keyword">if</span> testU |
---|
| 1141 | 1071 eval([<span class="string">'vector_x =ProjData.'</span> VarName{ivar_u} <span class="string">';'</span>]) |
---|
| 1142 | 1072 eval([<span class="string">'vector_y =ProjData.'</span> VarName{ivar_v} <span class="string">';'</span>]) |
---|
| 1143 | 1073 eval([<span class="string">'ProjData.'</span> VarName{ivar_u} <span class="string">'=cos(theta)*vector_x+sin(theta)*vector_y;'</span>]) |
---|
| 1144 | 1074 eval([<span class="string">'ProjData.'</span> VarName{ivar_v} <span class="string">'=-sin(theta)*vector_x+cos(theta)*vector_y;'</span>]) |
---|
| 1145 | 1075 <span class="keyword">end</span> |
---|
| 1146 | 1076 <span class="comment">% ProjData.AX=(AXI)';</span> |
---|
| 1147 | 1077 <span class="comment">%ProjData.ListDimName=[ProjData.ListDimName 'AX'];</span> |
---|
| 1148 | 1078 <span class="comment">%ProjData.DimValue=[ProjData.DimValue length(ProjData.AX)];%values of dimension (nbre of vectors)</span> |
---|
| 1149 | 1079 <span class="comment">%ProjData.VarDimIndex=[ProjData.VarDimIndex length(ProjData.ListDimName)];</span> |
---|
| 1150 | 1080 ProjData.VarAttribute{nbvar+1}.long_name=<span class="string">'abscissa along line'</span>; |
---|
| 1151 | 1081 <span class="comment">%ProjData.VarAttribute{nbvar+1}.Role='coord_x';</span> |
---|
| 1152 | 1082 <span class="keyword">if</span> nbcolor==3 |
---|
| 1153 | 1083 <span class="comment">%ProjData.ListDimName=[ProjData.ListDimName 'rgb'];%GENERALIZE TO OTHER COMPONENT DIMENSIONS</span> |
---|
| 1154 | 1084 <span class="comment">%ProjData.DimValue=[ProjData.DimValue 3];%values of dimension</span> |
---|
| 1155 | 1085 <span class="comment">%ProjData.VarDimIndex{end}=[length(ProjData.ListDimName)-1 length(ProjData.ListDimName)];</span> |
---|
| 1156 | 1086 ProjData.VarDimName{end}={XName,<span class="string">'rgb'</span>}; |
---|
| 1157 | 1087 <span class="keyword">end</span> |
---|
| 1158 | 1088 <span class="keyword">end</span> |
---|
| 1159 | 1089 <span class="keyword">end</span> |
---|
| 1160 | 1090 <span class="keyword">end</span> |
---|
| 1161 | 1091 |
---|
| 1162 | 1092 <span class="comment">% %shorter case for horizontal or vertical line (A FAIRE</span> |
---|
| 1163 | 1093 <span class="comment">% % Rangx=[0.5 npx-0.5];%image coordiantes of corners</span> |
---|
| 1164 | 1094 <span class="comment">% % Rangy=[npy-0.5 0.5];</span> |
---|
| 1165 | 1095 <span class="comment">% % if isfield(Calib,'Pxcmx')&isfield(Calib,'Pxcmy')%old calib</span> |
---|
| 1166 | 1096 <span class="comment">% % Rangx=Rangx/Calib.Pxcmx;</span> |
---|
| 1167 | 1097 <span class="comment">% % Rangy=Rangy/Calib.Pxcmy;</span> |
---|
| 1168 | 1098 <span class="comment">% % else</span> |
---|
| 1169 | 1099 <span class="comment">% % [Rangx]=phys_XYZ(Calib,Rangx,[0.5 0.5],[0 0]);%case of translations without rotation and quadratic deformation</span> |
---|
| 1170 | 1100 <span class="comment">% % [xx,Rangy]=phys_XYZ(Calib,[0.5 0.5],Rangy,[0 0]);</span> |
---|
| 1171 | 1101 <span class="comment">% % end</span> |
---|
| 1172 | 1102 <span class="comment">%</span> |
---|
| 1173 | 1103 <span class="comment">% % test_scal=0;%default% 3- 'UserData':(get(handles.Tag,'UserData')</span> |
---|
| 1174 | 1104 |
---|
| 1175 | 1105 |
---|
| 1176 | 1106 <span class="comment">%-----------------------------------------------------------------</span> |
---|
| 1177 | 1107 <span class="comment">%project on a plane</span> |
---|
| 1178 | 1108 <span class="comment">% AJOUTER flux,circul,error</span> |
---|
| 1179 | 1109 <span class="keyword">function</span> [ProjData,errormsg] = <a href="#_sub4" class="code" title="subfunction [ProjData,errormsg] = proj_plane(FieldData, ObjectData)">proj_plane</a>(FieldData, ObjectData) |
---|
| 1180 | 1110 <span class="comment">%-----------------------------------------------------------------</span> |
---|
| 1181 | 1111 |
---|
| 1182 | 1112 <span class="comment">%initialisation of the input parameters of the projection plane</span> |
---|
| 1183 | 1113 <span class="comment">%-----------------------------------------------------------------</span> |
---|
| 1184 | 1114 ProjMode=<span class="string">'projection'</span>;<span class="comment">%direct projection by default</span> |
---|
| 1185 | 1115 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'ProjMode'</span>),ProjMode=ObjectData.ProjMode; <span class="keyword">end</span>; |
---|
| 1186 | 1116 |
---|
| 1187 | 1117 <span class="comment">%axis origin</span> |
---|
| 1188 | 1118 <span class="keyword">if</span> isempty(ObjectData.Coord) |
---|
| 1189 | 1119 ObjectData.Coord(1,1)=0;<span class="comment">%origin of the plane set to [0 0] by default</span> |
---|
| 1190 | 1120 ObjectData.Coord(1,2)=0; |
---|
| 1191 | 1121 ObjectData.Coord(1,3)=0; |
---|
| 1192 | 1122 <span class="keyword">end</span> |
---|
| 1193 | 1123 |
---|
| 1194 | 1124 <span class="comment">%rotation angles</span> |
---|
| 1195 | 1125 Phi=0;<span class="comment">%default</span> |
---|
| 1196 | 1126 Theta=0; |
---|
| 1197 | 1127 Psi=0; |
---|
| 1198 | 1128 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'Phi'</span>)&& ~isempty(ObjectData.Phi) |
---|
| 1199 | 1129 Phi=(pi/180)*ObjectData.Phi;<span class="comment">%first Euler angle in radian</span> |
---|
| 1200 | 1130 <span class="keyword">end</span> |
---|
| 1201 | 1131 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'Theta'</span>)&& ~isempty(ObjectData.Theta) |
---|
| 1202 | 1132 Theta=(pi/180)*ObjectData.Theta;<span class="comment">%second Euler angle in radian</span> |
---|
| 1203 | 1133 <span class="keyword">end</span> |
---|
| 1204 | 1134 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'Psi'</span>)&& ~isempty(ObjectData.Psi) |
---|
| 1205 | 1135 Psi=(pi/180)*ObjectData.Psi;<span class="comment">%third Euler angle in radian</span> |
---|
| 1206 | 1136 <span class="keyword">end</span> |
---|
| 1207 | 1137 |
---|
| 1208 | 1138 <span class="comment">%components of the unity vector normal to the projection plane</span> |
---|
| 1209 | 1139 NormVec_X=-sin(Phi)*sin(Theta); |
---|
| 1210 | 1140 NormVec_Y=cos(Phi)*sin(Theta); |
---|
| 1211 | 1141 NormVec_Z=cos(Theta); |
---|
| 1212 | 1142 |
---|
| 1213 | 1143 <span class="comment">% test for 3D fields</span> |
---|
| 1214 | 1144 test3D=0; |
---|
| 1215 | 1145 <span class="keyword">if</span> isfield(FieldData,<span class="string">'NbDim'</span>) |
---|
| 1216 | 1146 test3D=isequal(FieldData.NbDim,3); |
---|
| 1217 | 1147 <span class="keyword">end</span> |
---|
| 1218 | 1148 test3C=test3D; <span class="comment">%default 3 vel components</span> |
---|
| 1219 | 1149 |
---|
| 1220 | 1150 <span class="comment">%mesh sizes DX and DY</span> |
---|
| 1221 | 1151 DX=0; |
---|
| 1222 | 1152 DY=0; <span class="comment">%default</span> |
---|
| 1223 | 1153 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'DX'</span>)&~isempty(ObjectData.DX) |
---|
| 1224 | 1154 DX=abs(ObjectData.DX);<span class="comment">%mesh of interpolation points</span> |
---|
| 1225 | 1155 <span class="keyword">end</span> |
---|
| 1226 | 1156 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'DY'</span>)&~isempty(ObjectData.DY) |
---|
| 1227 | 1157 DY=abs(ObjectData.DY);<span class="comment">%mesh of interpolation points</span> |
---|
| 1228 | 1158 <span class="keyword">end</span> |
---|
| 1229 | 1159 <span class="keyword">if</span> ~isequal(ProjMode,<span class="string">'projection'</span>) & (DX==0|DY==0) |
---|
| 1230 | 1160 errormsg=<span class="string">'DX or DY missing'</span>; |
---|
| 1231 | 1161 display(errormsg) |
---|
| 1232 | 1162 <span class="keyword">return</span> |
---|
| 1233 | 1163 <span class="keyword">end</span> |
---|
| 1234 | 1164 |
---|
| 1235 | 1165 <span class="comment">%extrema along each axis</span> |
---|
| 1236 | 1166 testXMin=0; |
---|
| 1237 | 1167 testXMax=0; |
---|
| 1238 | 1168 testYMin=0; |
---|
| 1239 | 1169 testYMax=0; |
---|
| 1240 | 1170 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'RangeX'</span>) |
---|
| 1241 | 1171 XMin=min(ObjectData.RangeX); |
---|
| 1242 | 1172 XMax=max(ObjectData.RangeX); |
---|
| 1243 | 1173 testXMin=XMax>XMin; |
---|
| 1244 | 1174 testXMax=1; |
---|
| 1245 | 1175 <span class="keyword">end</span> |
---|
| 1246 | 1176 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'RangeY'</span>) |
---|
| 1247 | 1177 YMin=min(ObjectData.RangeY); |
---|
| 1248 | 1178 YMax=max(ObjectData.RangeY); |
---|
| 1249 | 1179 testYMin=YMax>YMin; |
---|
| 1250 | 1180 testYMax=1; |
---|
| 1251 | 1181 <span class="keyword">end</span> |
---|
| 1252 | 1182 width=0;<span class="comment">%default width of the projection band</span> |
---|
| 1253 | 1183 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'RangeZ'</span>) |
---|
| 1254 | 1184 width=max(ObjectData.RangeZ); |
---|
| 1255 | 1185 <span class="keyword">end</span> |
---|
| 1256 | 1186 |
---|
| 1257 | 1187 <span class="comment">% initiate Matlab structure for physical field</span> |
---|
| 1258 | 1188 ProjData=<a href="#_sub5" class="code" title="subfunction [ProjData,errormsg]=proj_heading(FieldData,ObjectData)">proj_heading</a>(FieldData,ObjectData); |
---|
| 1259 | 1189 ProjData.NbDim=2; |
---|
| 1260 | 1190 ProjData.ListDimName={};<span class="comment">%name of dimension</span> |
---|
| 1261 | 1191 ProjData.DimValue=[];<span class="comment">%values of dimension (nbre of vectors)</span> |
---|
| 1262 | 1192 ProjData.ListVarName={}; |
---|
| 1263 | 1193 ProjData.VarDimIndex={}; |
---|
| 1264 | 1194 |
---|
| 1265 | 1195 error=0;<span class="comment">%default</span> |
---|
| 1266 | 1196 flux=0; |
---|
| 1267 | 1197 testfalse=0; |
---|
| 1268 | 1198 ListIndex={}; |
---|
| 1269 | 1199 |
---|
| 1270 | 1200 <span class="comment">%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</span> |
---|
| 1271 | 1201 <span class="comment">%group the variables (fields of 'FieldData') in cells of variables with the same dimensions</span> |
---|
| 1272 | 1202 <span class="comment">%-----------------------------------------------------------------</span> |
---|
| 1273 | 1203 idimvar=0; |
---|
| 1274 | 1204 [CellVarIndex,NbDim,VarTypeCell,errormsg]=<a href="find_field_indices.html" class="code" title="function [CellVarIndex,NbDim,VarType,errormsg]=find_field_indices(Data)">find_field_indices</a>(FieldData); |
---|
| 1275 | 1205 <span class="keyword">if</span> ~isempty(errormsg) |
---|
| 1276 | 1206 errormsg=[<span class="string">'error in proj_field/proj_plane:'</span> errormsg]; |
---|
| 1277 | 1207 <span class="keyword">return</span> |
---|
| 1278 | 1208 <span class="keyword">end</span> |
---|
| 1279 | 1209 <span class="comment">%LOOP ON GROUPS OF VARIABLES SHARING THE SAME DIMENSIONS</span> |
---|
| 1280 | 1210 <span class="comment">% CellVarIndex=cells of variable index arrays</span> |
---|
| 1281 | 1211 ivar_new=0; <span class="comment">% index of the current variable in the projected field</span> |
---|
| 1282 | 1212 icoord=0; |
---|
| 1283 | 1213 <span class="keyword">for</span> icell=1:length(CellVarIndex) |
---|
| 1284 | 1214 <span class="keyword">if</span> NbDim(icell)==1 |
---|
| 1285 | 1215 <span class="keyword">continue</span> |
---|
| 1286 | 1216 <span class="keyword">end</span> |
---|
| 1287 | 1217 VarIndex=CellVarIndex{icell};<span class="comment">% indices of the selected variables in the list FieldData.ListVarName</span> |
---|
| 1288 | 1218 VarType=VarTypeCell{icell}; |
---|
| 1289 | 1219 ivar_X=VarType.coord_x; |
---|
| 1290 | 1220 ivar_Y=VarType.coord_y; |
---|
| 1291 | 1221 ivar_Z=VarType.coord_z; |
---|
| 1292 | 1222 ivar_U=VarType.vector_x; |
---|
| 1293 | 1223 ivar_V=VarType.vector_y; |
---|
| 1294 | 1224 ivar_W=VarType.vector_z; |
---|
| 1295 | 1225 ivar_C=VarType.scalar ; |
---|
| 1296 | 1226 ivar_Anc=VarType.ancillary; |
---|
| 1297 | 1227 test_anc=zeros(size(VarIndex)); |
---|
| 1298 | 1228 test_anc(ivar_Anc)=ones(size(ivar_Anc)); |
---|
| 1299 | 1229 ivar_F=VarType.warnflag; |
---|
| 1300 | 1230 ivar_FF=VarType.errorflag; |
---|
| 1301 | 1231 <span class="keyword">if</span> isempty(ivar_X) |
---|
| 1302 | 1232 test_grid=1;<span class="comment">%test for input data on regular grid (e.g. image)coordinates</span> |
---|
| 1303 | 1233 <span class="keyword">else</span> |
---|
| 1304 | 1234 <span class="keyword">if</span> length(ivar_Y)~=1 |
---|
| 1305 | 1235 <a href="warndlg_uvmat.html" class="code" title="function hwarn=warndlg_uvmat(warntext,title)">warndlg_uvmat</a>(<span class="string">'y coordinate missing in proj_field.m'</span>,<span class="string">'ERROR'</span>) |
---|
| 1306 | 1236 <span class="keyword">return</span> |
---|
| 1307 | 1237 <span class="keyword">end</span> |
---|
| 1308 | 1238 test_grid=0; |
---|
| 1309 | 1239 <span class="keyword">end</span> |
---|
| 1310 | 1240 DimIndices=FieldData.VarDimIndex{VarIndex(1)};<span class="comment">%indices of the dimensions of the first variable (common to all variables in the cell)</span> |
---|
| 1311 | 1241 |
---|
| 1312 | 1242 <span class="comment">%case of input fields with unstructured coordinates</span> |
---|
| 1313 | 1243 <span class="keyword">if</span> ~test_grid |
---|
| 1314 | 1244 <span class="keyword">if</span> length(ivar_X)==1 |
---|
| 1315 | 1245 eval([<span class="string">'coord_x=FieldData.'</span> FieldData.ListVarName{ivar_X} <span class="string">';'</span>]) |
---|
| 1316 | 1246 <span class="keyword">end</span> |
---|
| 1317 | 1247 <span class="keyword">if</span> length(ivar_Y)==1 |
---|
| 1318 | 1248 eval([<span class="string">'coord_y=FieldData.'</span> FieldData.ListVarName{ivar_Y} <span class="string">';'</span>]) |
---|
| 1319 | 1249 <span class="keyword">end</span> |
---|
| 1320 | 1250 <span class="keyword">if</span> length(ivar_Z)==1 |
---|
| 1321 | 1251 eval([<span class="string">'coord_z=FieldData.'</span> FieldData.ListVarName{ivar_Z} <span class="string">';'</span>]) |
---|
| 1322 | 1252 <span class="keyword">end</span> |
---|
| 1323 | 1253 <span class="keyword">if</span> length(ivar_U)>1 | length(ivar_V)>1 | length(ivar_W)>1 |
---|
| 1324 | 1254 <a href="warndlg_uvmat.html" class="code" title="function hwarn=warndlg_uvmat(warntext,title)">warndlg_uvmat</a>(<span class="string">'multiple vector input in proj_field.m'</span>,<span class="string">'ERROR'</span>) |
---|
| 1325 | 1255 <span class="keyword">return</span> |
---|
| 1326 | 1256 <span class="keyword">end</span> |
---|
| 1327 | 1257 <span class="keyword">if</span> length(ivar_X)>1 | length(ivar_Y)>1 | length(ivar_Z)>1 |
---|
| 1328 | 1258 <a href="warndlg_uvmat.html" class="code" title="function hwarn=warndlg_uvmat(warntext,title)">warndlg_uvmat</a>(<span class="string">'multiple coordinate input in proj_field.m'</span>,<span class="string">'ERROR'</span>) |
---|
| 1329 | 1259 <span class="keyword">return</span> |
---|
| 1330 | 1260 <span class="keyword">end</span> |
---|
| 1331 | 1261 <span class="keyword">if</span> length(ivar_F)>1 | length(ivar_FF)>1 |
---|
| 1332 | 1262 <a href="warndlg_uvmat.html" class="code" title="function hwarn=warndlg_uvmat(warntext,title)">warndlg_uvmat</a>(<span class="string">'multiple flag input in proj_field.m'</span>,<span class="string">'ERROR'</span>) |
---|
| 1333 | 1263 <span class="keyword">return</span> |
---|
| 1334 | 1264 <span class="keyword">end</span> |
---|
| 1335 | 1265 <span class="keyword">if</span> length(ivar_Y)~=1 |
---|
| 1336 | 1266 <a href="warndlg_uvmat.html" class="code" title="function hwarn=warndlg_uvmat(warntext,title)">warndlg_uvmat</a>(<span class="string">'y coordinate missing in proj_field.m'</span>,<span class="string">'ERROR'</span>) |
---|
| 1337 | 1267 <span class="keyword">return</span> |
---|
| 1338 | 1268 <span class="keyword">end</span> |
---|
| 1339 | 1269 <span class="comment">% translate initial coordinates</span> |
---|
| 1340 | 1270 coord_x=coord_x-ObjectData.Coord(1,1); |
---|
| 1341 | 1271 coord_y=coord_y-ObjectData.Coord(1,2); |
---|
| 1342 | 1272 <span class="keyword">if</span> ~isempty(ivar_Z) |
---|
| 1343 | 1273 coord_z=coord_z-ObjectData.Coord(1,3); |
---|
| 1344 | 1274 <span class="keyword">end</span> |
---|
| 1345 | 1275 <span class="comment">% selection of the vectors in the projection range (3D case)</span> |
---|
| 1346 | 1276 <span class="keyword">if</span> length(ivar_Z)==1 & width > 0 |
---|
| 1347 | 1277 <span class="comment">%components of the unitiy vector normal to the projection plane</span> |
---|
| 1348 | 1278 fieldZ=NormVec_X*coord_x + NormVec_Y*coord_y+ NormVec_Z*coord_z;<span class="comment">% distance to the plane</span> |
---|
| 1349 | 1279 indcut=find(abs(fieldZ) <= width); |
---|
| 1350 | 1280 <span class="keyword">for</span> ivar=VarIndex |
---|
| 1351 | 1281 VarName=FieldData.ListVarName{ivar}; |
---|
| 1352 | 1282 eval([<span class="string">'FieldData.'</span> VarName <span class="string">'=FieldData.'</span> VarName <span class="string">'(indcut);'</span>]) |
---|
| 1353 | 1283 <span class="comment">% end</span> |
---|
| 1354 | 1284 <span class="comment">% A VOIR : CAS DE VAR STRUCTUREE MAIS PAS GRILLE REGULIERE : INTERPOLER SUR GRILLE REGULIERE</span> |
---|
| 1355 | 1285 <span class="keyword">end</span> |
---|
| 1356 | 1286 coord_x=coord_x(indcut); |
---|
| 1357 | 1287 coord_y=coord_y(indcut); |
---|
| 1358 | 1288 coord_z=coord_z(indcut); |
---|
| 1359 | 1289 <span class="keyword">end</span> |
---|
| 1360 | 1290 |
---|
| 1361 | 1291 <span class="comment">%rotate coordinates if needed</span> |
---|
| 1362 | 1292 <span class="keyword">if</span> isequal(Phi,0) |
---|
| 1363 | 1293 coord_X=coord_x; |
---|
| 1364 | 1294 coord_Y=coord_y; |
---|
| 1365 | 1295 <span class="keyword">if</span> ~isequal(Theta,0) |
---|
| 1366 | 1296 coord_Y=coord_Y *cos(Theta); |
---|
| 1367 | 1297 <span class="keyword">end</span> |
---|
| 1368 | 1298 <span class="keyword">else</span> |
---|
| 1369 | 1299 coord_X=(coord_x *cos(Phi) + coord_y* sin(Phi)); |
---|
| 1370 | 1300 coord_Y=(-coord_x *sin(Phi) + coord_y *cos(Phi))*cos(Theta); |
---|
| 1371 | 1301 <span class="keyword">end</span> |
---|
| 1372 | 1302 <span class="keyword">if</span> ~isempty(ivar_Z) |
---|
| 1373 | 1303 coord_Y=coord_Y+coord_z *sin(Theta); |
---|
| 1374 | 1304 <span class="keyword">end</span> |
---|
| 1375 | 1305 <span class="keyword">if</span> ~isequal(Psi,0) |
---|
| 1376 | 1306 coord_X=(coord_X *cos(Psi) - coord_Y* sin(Psi));<span class="comment">%A VERIFIER</span> |
---|
| 1377 | 1307 coord_Y=(coord_X *sin(Psi) + coord_Y* cos(Psi)); |
---|
| 1378 | 1308 <span class="keyword">end</span> |
---|
| 1379 | 1309 |
---|
| 1380 | 1310 <span class="comment">%restriction to the range of x and y if imposed</span> |
---|
| 1381 | 1311 testin=ones(size(coord_X)); <span class="comment">%default</span> |
---|
| 1382 | 1312 testbound=0; |
---|
| 1383 | 1313 <span class="keyword">if</span> testXMin |
---|
| 1384 | 1314 testin=testin & (coord_X >= XMin); |
---|
| 1385 | 1315 testbound=1; |
---|
| 1386 | 1316 <span class="keyword">end</span> |
---|
| 1387 | 1317 <span class="keyword">if</span> testXMax |
---|
| 1388 | 1318 testin=testin & (coord_X <= XMax); |
---|
| 1389 | 1319 testbound=1; |
---|
| 1390 | 1320 <span class="keyword">end</span> |
---|
| 1391 | 1321 <span class="keyword">if</span> testYMin |
---|
| 1392 | 1322 testin=testin & (coord_Y >= YMin); |
---|
| 1393 | 1323 testbound=1; |
---|
| 1394 | 1324 <span class="keyword">end</span> |
---|
| 1395 | 1325 <span class="keyword">if</span> testYMin |
---|
| 1396 | 1326 testin=testin & (coord_Y <= YMax); |
---|
| 1397 | 1327 testbound=1; |
---|
| 1398 | 1328 <span class="keyword">end</span> |
---|
| 1399 | 1329 <span class="keyword">if</span> testbound |
---|
| 1400 | 1330 indcut=find(testin); |
---|
| 1401 | 1331 <span class="keyword">for</span> ivar=VarIndex |
---|
| 1402 | 1332 VarName=FieldData.ListVarName{ivar}; |
---|
| 1403 | 1333 eval([<span class="string">'FieldData.'</span> VarName <span class="string">'=FieldData.'</span> VarName <span class="string">'(indcut);'</span>]) |
---|
| 1404 | 1334 <span class="keyword">end</span> |
---|
| 1405 | 1335 coord_X=coord_X(indcut); |
---|
| 1406 | 1336 coord_Y=coord_Y(indcut); |
---|
| 1407 | 1337 <span class="keyword">if</span> length(ivar_Z)==1 |
---|
| 1408 | 1338 coord_Z=coord_Z(indcut); |
---|
| 1409 | 1339 <span class="keyword">end</span> |
---|
| 1410 | 1340 <span class="keyword">end</span> |
---|
| 1411 | 1341 <span class="comment">% different cases of projection</span> |
---|
| 1412 | 1342 <span class="keyword">if</span> isequal(ObjectData.ProjMode,<span class="string">'projection'</span>) |
---|
| 1413 | 1343 ProjData.ListDimName=[ProjData.ListDimName FieldData.ListDimName(DimIndices(1))];<span class="comment">%add the point index to the list of dimensions</span> |
---|
| 1414 | 1344 ProjData.DimValue=[ProjData.DimValue length(coord_X)]; |
---|
| 1415 | 1345 nbvar=0; |
---|
| 1416 | 1346 <span class="keyword">for</span> ivar=VarIndex <span class="comment">%transfer variables to the projection plane</span> |
---|
| 1417 | 1347 VarName=FieldData.ListVarName{ivar}; |
---|
| 1418 | 1348 <span class="keyword">if</span> ivar==ivar_X <span class="comment">%x coordinate</span> |
---|
| 1419 | 1349 eval([<span class="string">'ProjData.'</span> VarName <span class="string">'=coord_X;'</span>]) |
---|
| 1420 | 1350 <span class="keyword">elseif</span> ivar==ivar_Y <span class="comment">% y coordinate</span> |
---|
| 1421 | 1351 eval([<span class="string">'ProjData.'</span> VarName <span class="string">'=coord_Y;'</span>]) |
---|
| 1422 | 1352 <span class="keyword">elseif</span> isempty(ivar_Z) || ivar~=ivar_Z <span class="comment">% other variables (except Z coordinate wyhich is not reproduced)</span> |
---|
| 1423 | 1353 eval([<span class="string">'ProjData.'</span> VarName <span class="string">'=FieldData.'</span> VarName <span class="string">';'</span>]) |
---|
| 1424 | 1354 <span class="keyword">end</span> |
---|
| 1425 | 1355 <span class="keyword">if</span> isempty(ivar_Z) || ivar~=ivar_Z |
---|
| 1426 | 1356 ProjData.ListVarName=[ProjData.ListVarName VarName]; |
---|
| 1427 | 1357 ProjData.VarDimIndex=[ProjData.VarDimIndex DimIndices(1)]; |
---|
| 1428 | 1358 nbvar=nbvar+1; |
---|
| 1429 | 1359 <span class="keyword">if</span> isfield(FieldData,<span class="string">'VarAttribute'</span>) & length(FieldData.VarAttribute) >=ivar |
---|
| 1430 | 1360 ProjData.VarAttribute{nbvar}=FieldData.VarAttribute{ivar}; |
---|
| 1431 | 1361 <span class="keyword">end</span> |
---|
| 1432 | 1362 <span class="keyword">end</span> |
---|
| 1433 | 1363 <span class="keyword">end</span> |
---|
| 1434 | 1364 <span class="keyword">elseif</span> isequal(ObjectData.ProjMode,<span class="string">'interp'</span>)||isequal(ObjectData.ProjMode,<span class="string">'filter'</span>)<span class="comment">%interpolate data on a regular grid</span> |
---|
| 1435 | 1365 coord_x_proj=[XMin:DX:XMax]; |
---|
| 1436 | 1366 coord_y_proj=[YMin:DY:YMax]; |
---|
| 1437 | 1367 ProjData.ListDimName={<span class="string">'coord_y'</span>,<span class="string">'coord_x'</span>}; |
---|
| 1438 | 1368 ProjData.DimValue=[length(coord_y_proj) length(coord_x_proj)]; |
---|
| 1439 | 1369 ProjData.ListVarName={}; |
---|
| 1440 | 1370 ProjData.VarDimIndex={}; |
---|
| 1441 | 1371 <span class="keyword">if</span> isempty(ivar_X), ivar_X=0; <span class="keyword">end</span>; |
---|
| 1442 | 1372 <span class="keyword">if</span> isempty(ivar_Y), ivar_Y=0; <span class="keyword">end</span>; |
---|
| 1443 | 1373 <span class="keyword">if</span> isempty(ivar_Z), ivar_Z=0; <span class="keyword">end</span>; |
---|
| 1444 | 1374 <span class="keyword">if</span> isempty(ivar_U), ivar_U=0; <span class="keyword">end</span>; |
---|
| 1445 | 1375 <span class="keyword">if</span> isempty(ivar_V), ivar_V=0; <span class="keyword">end</span>; |
---|
| 1446 | 1376 <span class="keyword">if</span> isempty(ivar_W), ivar_W=0; <span class="keyword">end</span>; |
---|
| 1447 | 1377 <span class="keyword">if</span> isempty(ivar_F), ivar_F=0; <span class="keyword">end</span>; |
---|
| 1448 | 1378 <span class="keyword">if</span> isempty(ivar_FF), ivar_FF=0; <span class="keyword">end</span>; |
---|
| 1449 | 1379 <span class="keyword">if</span> ~isequal(ivar_FF,0) |
---|
| 1450 | 1380 VarName_FF=FieldData.ListVarName{ivar_FF}; |
---|
| 1451 | 1381 eval([<span class="string">'indsel=find(FieldData.'</span> VarName_FF <span class="string">'==0);'</span>]) |
---|
| 1452 | 1382 coord_X=coord_X(indsel); |
---|
| 1453 | 1383 coord_Y=coord_Y(indsel); |
---|
| 1454 | 1384 <span class="keyword">end</span> |
---|
| 1455 | 1385 FF=zeros(1,length(coord_y_proj)*length(coord_x_proj)); |
---|
| 1456 | 1386 testFF=0; |
---|
| 1457 | 1387 <span class="keyword">for</span> ivar=VarIndex |
---|
| 1458 | 1388 VarName=FieldData.ListVarName{ivar}; |
---|
| 1459 | 1389 <span class="keyword">if</span> ~( ivar==ivar_X | ivar==ivar_Y | ivar==ivar_Z | ivar==ivar_F | ivar==ivar_FF | test_anc(ivar)==1) |
---|
| 1460 | 1390 ivar_new=ivar_new+1; |
---|
| 1461 | 1391 ProjData.ListVarName=[ProjData.ListVarName {VarName}]; |
---|
| 1462 | 1392 ProjData.VarDimIndex=[ProjData.VarDimIndex {[1 2]}]; |
---|
| 1463 | 1393 <span class="keyword">if</span> isfield(FieldData,<span class="string">'VarAttribute'</span>) & length(FieldData.VarAttribute) >=ivar |
---|
| 1464 | 1394 ProjData.VarAttribute{ivar_new}=FieldData.VarAttribute{ivar}; |
---|
| 1465 | 1395 <span class="keyword">end</span> |
---|
| 1466 | 1396 ProjData.VarAttribute{ivar_new}.Coord_2=[XMin XMax]; |
---|
| 1467 | 1397 ProjData.VarAttribute{ivar_new}.Coord_1=[YMin YMax]; |
---|
| 1468 | 1398 <span class="keyword">if</span> ~isequal(ivar_FF,0) |
---|
| 1469 | 1399 eval([<span class="string">'FieldData.'</span> VarName <span class="string">'=FieldData.'</span> VarName <span class="string">'(indsel);'</span>]) |
---|
| 1470 | 1400 <span class="keyword">end</span> |
---|
| 1471 | 1401 eval([<span class="string">'ProjData.'</span> VarName <span class="string">'=griddata_uvmat(coord_X,coord_Y,FieldData.'</span> VarName <span class="string">',coord_x_proj,coord_y_proj'');'</span>]) |
---|
| 1472 | 1402 eval([<span class="string">'varline=reshape(ProjData.'</span> VarName <span class="string">',1,length(coord_y_proj)*length(coord_x_proj));'</span>]) |
---|
| 1473 | 1403 FFlag= isnan(varline); <span class="comment">%detect undefined values NaN</span> |
---|
| 1474 | 1404 indnan=find(FFlag); |
---|
| 1475 | 1405 <span class="keyword">if</span>~isempty(indnan) |
---|
| 1476 | 1406 varline(indnan)=zeros(size(indnan)); |
---|
| 1477 | 1407 eval([<span class="string">'ProjData.'</span> VarName <span class="string">'=reshape(varline,length(coord_y_proj),length(coord_x_proj));'</span>]) |
---|
| 1478 | 1408 FF(indnan)=ones(size(indnan)); |
---|
| 1479 | 1409 <span class="comment">% eval(['ProjData.' VarName '(indnan)=zeros(size(indnan));'])%put NaN to 0</span> |
---|
| 1480 | 1410 <span class="comment">% FF=FF|FFlag;</span> |
---|
| 1481 | 1411 testFF=1; |
---|
| 1482 | 1412 <span class="keyword">end</span> |
---|
| 1483 | 1413 <span class="keyword">if</span> ivar==ivar_U |
---|
| 1484 | 1414 ivar_U=ivar_new; |
---|
| 1485 | 1415 <span class="keyword">end</span> |
---|
| 1486 | 1416 <span class="keyword">if</span> ivar==ivar_V |
---|
| 1487 | 1417 ivar_V=ivar_new; |
---|
| 1488 | 1418 <span class="keyword">end</span> |
---|
| 1489 | 1419 <span class="keyword">if</span> ivar==ivar_W |
---|
| 1490 | 1420 ivar_W=ivar_new; |
---|
| 1491 | 1421 <span class="keyword">end</span> |
---|
| 1492 | 1422 <span class="keyword">end</span> |
---|
| 1493 | 1423 <span class="keyword">end</span> |
---|
| 1494 | 1424 <span class="keyword">if</span> testFF |
---|
| 1495 | 1425 ProjData.FF=reshape(FF,length(coord_y_proj),length(coord_x_proj)); |
---|
| 1496 | 1426 ProjData.ListVarName=[ProjData.ListVarName {<span class="string">'FF'</span>}]; |
---|
| 1497 | 1427 ProjData.VarDimIndex=[ProjData.VarDimIndex {[1 2]}]; |
---|
| 1498 | 1428 ProjData.VarAttribute{ivar_new+1}.Role=<span class="string">'errorflag'</span>; |
---|
| 1499 | 1429 <span class="keyword">end</span> |
---|
| 1500 | 1430 <span class="keyword">end</span> |
---|
| 1501 | 1431 <span class="comment">%case of fields defined on a structured grid</span> |
---|
| 1502 | 1432 <span class="keyword">else</span> |
---|
| 1503 | 1433 DimValue=FieldData.DimValue(DimIndices);<span class="comment">%set of dimension values</span> |
---|
| 1504 | 1434 ListDimName=FieldData.ListDimName(DimIndices); |
---|
| 1505 | 1435 nbcolor=1; <span class="comment">%default</span> |
---|
| 1506 | 1436 <span class="keyword">for</span> idim=1:length(ListDimName) |
---|
| 1507 | 1437 DimName=ListDimName{idim}; |
---|
| 1508 | 1438 <span class="keyword">if</span> isequal(DimName,<span class="string">'rgb'</span>)|isequal(DimName,<span class="string">'nb_coord'</span>)|isequal(DimName,<span class="string">'nb_coord_i'</span>) |
---|
| 1509 | 1439 nbcolor=DimValue(idim); |
---|
| 1510 | 1440 DimIndices(idim)=[]; |
---|
| 1511 | 1441 DimValue(idim)=[]; |
---|
| 1512 | 1442 <span class="keyword">end</span> |
---|
| 1513 | 1443 <span class="keyword">if</span> isequal(DimName,<span class="string">'nb_coord_j'</span>)<span class="comment">% NOTE: CASE OF TENSOR NOT TREATED</span> |
---|
| 1514 | 1444 DimIndices(idim)=[]; |
---|
| 1515 | 1445 DimValue(idim)=[]; |
---|
| 1516 | 1446 <span class="keyword">end</span> |
---|
| 1517 | 1447 <span class="keyword">end</span> |
---|
| 1518 | 1448 ind_1=find(DimValue==1); |
---|
| 1519 | 1449 DimIndices(ind_1)=[]; <span class="comment">%suppress singleton dimensions</span> |
---|
| 1520 | 1450 indxy=find(DimVarIndex(DimIndices));<span class="comment">%select dimension variables (DimIndices non zero)</span> |
---|
| 1521 | 1451 nb_dim=length(DimIndices);<span class="comment">%number of space dimensions</span> |
---|
| 1522 | 1452 Coord_z=[]; |
---|
| 1523 | 1453 Coord_y=[]; |
---|
| 1524 | 1454 Coord_x=[]; |
---|
| 1525 | 1455 |
---|
| 1526 | 1456 <span class="keyword">for</span> idim=1:nb_dim <span class="comment">%loop on space dimensions</span> |
---|
| 1527 | 1457 test_interp(idim)=0;<span class="comment">%test for coordiate interpolation (non regular grid), =0 by default</span> |
---|
| 1528 | 1458 test_coord(idim)=0;<span class="comment">%test for defined coordinates, =0 by default</span> |
---|
| 1529 | 1459 ivar=DimVarIndex(DimIndices(idim));<span class="comment">% index of the variable corresponding to the current dimension</span> |
---|
| 1530 | 1460 <span class="keyword">if</span> ~isequal(ivar,0)<span class="comment">% a variable corresponds to the current dimension</span> |
---|
| 1531 | 1461 eval([<span class="string">'Coord{idim}=FieldData.'</span> FieldData.ListVarName{ivar} <span class="string">';'</span>]) ;<span class="comment">% position for the first index</span> |
---|
| 1532 | 1462 DCoord=diff(Coord{idim}); |
---|
| 1533 | 1463 DCoord_min(idim)=min(DCoord); |
---|
| 1534 | 1464 DCoord_max=max(DCoord); |
---|
| 1535 | 1465 test_direct(idim)=DCoord_max>0;<span class="comment">% =1 for increasing values, 0 otherwise</span> |
---|
| 1536 | 1466 test_direct_min=DCoord_min(idim)>0;<span class="comment">% =1 for increasing values, 0 otherwise</span> |
---|
| 1537 | 1467 <span class="keyword">if</span> ~isequal(test_direct(idim),test_direct_min) |
---|
| 1538 | 1468 <a href="warndlg_uvmat.html" class="code" title="function hwarn=warndlg_uvmat(warntext,title)">warndlg_uvmat</a>([<span class="string">'non monotonic dimension variable # '</span> num2str(idim) <span class="string">' in proj_field.m'</span>],<span class="string">'ERROR'</span>) |
---|
| 1539 | 1469 <span class="keyword">return</span> |
---|
| 1540 | 1470 <span class="keyword">end</span> |
---|
| 1541 | 1471 test_interp(idim)=(DCoord_max-DCoord_min(idim))> 0.0001*abs(DCoord_max);<span class="comment">% test grid regularity</span> |
---|
| 1542 | 1472 test_coord(idim)=1; |
---|
| 1543 | 1473 |
---|
| 1544 | 1474 <span class="keyword">else</span> <span class="comment">% no variable associated with the first dimension, look for variable attributes Coord_1, _2 or _3</span> |
---|
| 1545 | 1475 Coord_i_str=[<span class="string">'Coord_'</span> num2str(idim)]; |
---|
| 1546 | 1476 DCoord_min(idim)=1;<span class="comment">%default</span> |
---|
| 1547 | 1477 Coord{idim}=[0.5 DimValue(idim)-0.5]; |
---|
| 1548 | 1478 test_direct(idim)=1; |
---|
| 1549 | 1479 <span class="keyword">for</span> ivar=VarIndex |
---|
| 1550 | 1480 <span class="keyword">if</span> isfield(FieldData.VarAttribute{ivar},Coord_i_str)<span class="comment">% if there is a variable attribute named Coord_1, _2 or _3</span> |
---|
| 1551 | 1481 eval([<span class="string">'Coord{idim}=FieldData.VarAttribute{ivar}.'</span> Coord_i_str <span class="string">';'</span>]);<span class="comment">%'range x</span> |
---|
| 1552 | 1482 <span class="keyword">if</span> isnumeric(Coord{idim}) |
---|
| 1553 | 1483 <span class="keyword">if</span> length(Coord{idim})>=2 |
---|
| 1554 | 1484 test_direct(idim)=(Coord{idim}(2)>Coord{idim}(1)); |
---|
| 1555 | 1485 <span class="keyword">else</span> |
---|
| 1556 | 1486 <a href="warndlg_uvmat.html" class="code" title="function hwarn=warndlg_uvmat(warntext,title)">warndlg_uvmat</a>([<span class="string">'two values needed for '</span> Coord_i_str <span class="string">'in proj_field.m'</span>],<span class="string">'ERROR'</span>) |
---|
| 1557 | 1487 <span class="keyword">return</span> |
---|
| 1558 | 1488 <span class="keyword">end</span> |
---|
| 1559 | 1489 <span class="keyword">else</span> |
---|
| 1560 | 1490 <a href="warndlg_uvmat.html" class="code" title="function hwarn=warndlg_uvmat(warntext,title)">warndlg_uvmat</a>([<span class="string">'non numerical coordinate attributes'</span> Coord_i_str <span class="string">'in proj_field.m'</span>],<span class="string">'ERROR'</span>) |
---|
| 1561 | 1491 <span class="keyword">return</span> |
---|
| 1562 | 1492 <span class="keyword">end</span> |
---|
| 1563 | 1493 DCoord_min(idim)=(Coord{idim}(end)-Coord{idim}(1))/(DimValue(idim)-1); |
---|
| 1564 | 1494 <span class="keyword">end</span> |
---|
| 1565 | 1495 <span class="keyword">end</span> |
---|
| 1566 | 1496 <span class="keyword">end</span> |
---|
| 1567 | 1497 <span class="keyword">end</span> |
---|
| 1568 | 1498 <span class="keyword">if</span> nb_dim==2 |
---|
| 1569 | 1499 <span class="keyword">if</span> DY==0 |
---|
| 1570 | 1500 DY=abs(DCoord_min(1)); |
---|
| 1571 | 1501 <span class="keyword">end</span> |
---|
| 1572 | 1502 npY=1+round(abs(Coord{1}(end)-Coord{1}(1))/DY);<span class="comment">%nbre of points after interpolation</span> |
---|
| 1573 | 1503 npy=1+round(abs(Coord{1}(end)-Coord{1}(1))/abs(DCoord_min(1)));<span class="comment">%nbre of points after possible interpolation on a regular grid</span> |
---|
| 1574 | 1504 <span class="keyword">if</span> DX==0 |
---|
| 1575 | 1505 DX=abs(DCoord_min(2)); |
---|
| 1576 | 1506 <span class="keyword">end</span> |
---|
| 1577 | 1507 npX=1+round(abs(Coord{2}(end)-Coord{2}(1))/DX);<span class="comment">%nbre of points after interpol</span> |
---|
| 1578 | 1508 npx=1+round(abs(Coord{2}(end)-Coord{2}(1))/abs(DCoord_min(2)));<span class="comment">%nbre of points after possible interpolation on a regular grid</span> |
---|
| 1579 | 1509 Coord_y=linspace(Coord{1}(1),Coord{1}(end),npY); |
---|
| 1580 | 1510 test_direct_y=test_direct(1); |
---|
| 1581 | 1511 Coord_x=linspace(Coord{2}(1),Coord{2}(end),npX); |
---|
| 1582 | 1512 test_direct_x=test_direct(2); |
---|
| 1583 | 1513 DAX=DCoord_min(2); |
---|
| 1584 | 1514 DAY=DCoord_min(1); |
---|
| 1585 | 1515 <span class="keyword">elseif</span> nb_dim==3 |
---|
| 1586 | 1516 DZ=abs(DCoord_min(1)); |
---|
| 1587 | 1517 npz=1+round(abs(Coord{1}(end)-Coord{1}(1))/DZ);<span class="comment">%nbre of points after interpolation</span> |
---|
| 1588 | 1518 <span class="keyword">if</span> DY==0 |
---|
| 1589 | 1519 DY=abs(DCoord_min(2)); |
---|
| 1590 | 1520 <span class="keyword">end</span> |
---|
| 1591 | 1521 npY=1+round(abs(Coord{2}(end)-Coord{2}(1))/DY);<span class="comment">%nbre of points after interpol</span> |
---|
| 1592 | 1522 npy=1+round(abs(Coord{2}(end)-Coord{2}(1))/abs(DCoord_min(2)));<span class="comment">%nbre of points before interpol</span> |
---|
| 1593 | 1523 <span class="keyword">if</span> DX==0 |
---|
| 1594 | 1524 DX=abs(DCoord_min(3)); |
---|
| 1595 | 1525 <span class="keyword">end</span> |
---|
| 1596 | 1526 npX=1+round(abs(Coord{3}(end)-Coord{3}(1))/DX);<span class="comment">%nbre of points after interpol</span> |
---|
| 1597 | 1527 npx=1+round(abs(Coord{3}(end)-Coord{3}(1))/abs(DCoord_min(3)));<span class="comment">%nbre of points before interpol</span> |
---|
| 1598 | 1528 Coord_z=linspace(Coord{1}(1),Coord{1}(end),npz); |
---|
| 1599 | 1529 test_direct_z=test_direct(1); |
---|
| 1600 | 1530 Coord_y=linspace(Coord{2}(1),Coord{2}(end),npY); |
---|
| 1601 | 1531 test_direct_y=test_direct(2); |
---|
| 1602 | 1532 Coord_x=linspace(Coord{3}(1),Coord{3}(end),npX); |
---|
| 1603 | 1533 test_direct_x=test_direct(3); |
---|
| 1604 | 1534 <span class="keyword">end</span> |
---|
| 1605 | 1535 minAX=min(Coord_x); |
---|
| 1606 | 1536 maxAX=max(Coord_x); |
---|
| 1607 | 1537 minAY=min(Coord_y); |
---|
| 1608 | 1538 maxAY=max(Coord_y); |
---|
| 1609 | 1539 xcorner=[minAX maxAX minAX maxAX]-ObjectData.Coord(1,1); |
---|
| 1610 | 1540 ycorner=[maxAY maxAY minAY minAY]-ObjectData.Coord(1,2); |
---|
| 1611 | 1541 xcor_new=xcorner*cos(Phi)+ycorner*sin(Phi);<span class="comment">%coord new frame</span> |
---|
| 1612 | 1542 ycor_new=-xcorner*sin(Phi)+ycorner*cos(Phi); |
---|
| 1613 | 1543 <span class="keyword">if</span> ~testXMax |
---|
| 1614 | 1544 XMax=max(xcor_new); |
---|
| 1615 | 1545 <span class="keyword">end</span> |
---|
| 1616 | 1546 <span class="keyword">if</span> ~testXMin |
---|
| 1617 | 1547 XMin=min(xcor_new); |
---|
| 1618 | 1548 <span class="keyword">end</span> |
---|
| 1619 | 1549 <span class="keyword">if</span> ~testYMax |
---|
| 1620 | 1550 YMax=max(ycor_new); |
---|
| 1621 | 1551 <span class="keyword">end</span> |
---|
| 1622 | 1552 <span class="keyword">if</span> ~testYMin |
---|
| 1623 | 1553 YMin=min(ycor_new); |
---|
| 1624 | 1554 <span class="keyword">end</span> |
---|
| 1625 | 1555 DXinit=(maxAX-minAX)/(npx-1); |
---|
| 1626 | 1556 DYinit=(maxAY-minAY)/(npy-1); |
---|
| 1627 | 1557 <span class="keyword">if</span> DX==0 |
---|
| 1628 | 1558 DX=DXinit; |
---|
| 1629 | 1559 <span class="keyword">end</span> |
---|
| 1630 | 1560 <span class="keyword">if</span> DY==0 |
---|
| 1631 | 1561 DY=DYinit; |
---|
| 1632 | 1562 <span class="keyword">end</span> |
---|
| 1633 | 1563 npX=floor((XMax-XMin)/DX+1); |
---|
| 1634 | 1564 npY=floor((YMax-YMin)/DY+1); |
---|
| 1635 | 1565 <span class="keyword">if</span> test_direct_y |
---|
| 1636 | 1566 coord_y_proj=linspace(YMin,YMax,npY);<span class="comment">%abscissa of the new pixels along the line</span> |
---|
| 1637 | 1567 <span class="keyword">else</span> |
---|
| 1638 | 1568 coord_y_proj=linspace(YMax,YMin,npY);<span class="comment">%abscissa of the new pixels along the line</span> |
---|
| 1639 | 1569 <span class="keyword">end</span> |
---|
| 1640 | 1570 <span class="keyword">if</span> test_direct_x |
---|
| 1641 | 1571 coord_x_proj=linspace(XMin,XMax,npX);<span class="comment">%abscissa of the new pixels along the line</span> |
---|
| 1642 | 1572 <span class="keyword">else</span> |
---|
| 1643 | 1573 coord_x_proj=linspace(XMax,XMin,npX);<span class="comment">%abscissa of the new pixels along the line</span> |
---|
| 1644 | 1574 <span class="keyword">end</span> |
---|
| 1645 | 1575 |
---|
| 1646 | 1576 <span class="comment">% case with no rotation and interpolation</span> |
---|
| 1647 | 1577 <span class="keyword">if</span> isequal(ProjMode,<span class="string">'projection'</span>) && isequal(Phi,0) && isequal(Theta,0) && isequal(Psi,0) |
---|
| 1648 | 1578 <span class="keyword">if</span> test_direct(1) |
---|
| 1649 | 1579 min_ind1=ceil((YMin-Coord{1}(1))/DYinit)+1; |
---|
| 1650 | 1580 max_ind1=floor((YMax-Coord{1}(1))/DYinit)+1; |
---|
| 1651 | 1581 Ybound(1)=Coord{1}(1)+DYinit*(min_ind1-1); |
---|
| 1652 | 1582 Ybound(2)=Coord{1}(1)+DYinit*(max_ind1-1); |
---|
| 1653 | 1583 <span class="keyword">else</span> |
---|
| 1654 | 1584 min_ind1=ceil((Coord{1}(1)-YMax)/DYinit)+1; |
---|
| 1655 | 1585 max_ind1=floor((Coord{1}(1)-YMin)/DYinit)+1; |
---|
| 1656 | 1586 Ybound(2)=Coord{1}(1)-DYinit*(max_ind1-1); |
---|
| 1657 | 1587 Ybound(1)=Coord{1}(1)-DYinit*(min_ind1-1); |
---|
| 1658 | 1588 <span class="keyword">end</span> |
---|
| 1659 | 1589 <span class="keyword">if</span> test_direct(2)==1 |
---|
| 1660 | 1590 min_ind2=ceil((XMin-Coord{2}(1))/DXinit)+1; |
---|
| 1661 | 1591 max_ind2=floor((XMax-Coord{2}(1))/DXinit)+1; |
---|
| 1662 | 1592 Xbound(1)=Coord{2}(1)+DXinit*(min_ind2-1); |
---|
| 1663 | 1593 Xbound(2)=Coord{2}(1)+DXinit*(max_ind2-1); |
---|
| 1664 | 1594 <span class="keyword">else</span> |
---|
| 1665 | 1595 min_ind2=ceil((Coord{2}(1)-XMax)/DXinit)+1; |
---|
| 1666 | 1596 max_ind2=floor((Coord{2}(1)-XMin)/DXinit)+1; |
---|
| 1667 | 1597 Xbound(2)=Coord{2}(1)+DXinit*(max_ind2-1); |
---|
| 1668 | 1598 Xbound(1)=Coord{2}(1)+DXinit*(min_ind2-1); |
---|
| 1669 | 1599 <span class="keyword">end</span> |
---|
| 1670 | 1600 min_ind1=max(min_ind1,1);<span class="comment">% deals with margin (bound lower than the first index)</span> |
---|
| 1671 | 1601 min_ind2=max(min_ind2,1); |
---|
| 1672 | 1602 max_ind1=min(max_ind1,npy); |
---|
| 1673 | 1603 max_ind2=min(max_ind2,npx); |
---|
| 1674 | 1604 <span class="keyword">for</span> ivar=VarIndex |
---|
| 1675 | 1605 VarName=FieldData.ListVarName{ivar}; |
---|
| 1676 | 1606 <span class="keyword">if</span> isequal(ObjectData.ProjMode,<span class="string">'interp'</span>)||isequal(ObjectData.ProjMode,<span class="string">'filter'</span>)<span class="comment">% coordinates common to all fields</span> |
---|
| 1677 | 1607 ProjData.ListDimName={<span class="string">'coord_y'</span>,<span class="string">'coord_x'</span>}; |
---|
| 1678 | 1608 ProjData.DimValue=[length(coord_y_proj) length(coord_x_proj)]; |
---|
| 1679 | 1609 <span class="keyword">else</span> |
---|
| 1680 | 1610 icoord=icoord+1; |
---|
| 1681 | 1611 ProjData.ListDimName=[ProjData.ListDimName {[<span class="string">'coord_y_'</span> num2str(icoord)],[<span class="string">'coord_x_'</span> num2str(icoord)]}]; |
---|
| 1682 | 1612 ProjData.DimValue=[ProjData.DimValue length(coord_y_proj) length(coord_x_proj)]; |
---|
| 1683 | 1613 <span class="keyword">end</span> |
---|
| 1684 | 1614 ProjData.ListVarName=[ProjData.ListVarName VarName]; |
---|
| 1685 | 1615 ProjData.VarDimIndex=[ProjData.VarDimIndex [nb_dim-1 nb_dim]]; |
---|
| 1686 | 1616 <span class="keyword">if</span> length(FieldData.VarAttribute)>=ivar |
---|
| 1687 | 1617 ProjData.VarAttribute{length(ProjData.ListVarName)}=FieldData.VarAttribute{ivar}; |
---|
| 1688 | 1618 <span class="keyword">end</span> |
---|
| 1689 | 1619 ProjData.VarAttribute{length(ProjData.ListVarName)}.Coord_2=Xbound; |
---|
| 1690 | 1620 ProjData.VarAttribute{length(ProjData.ListVarName)}.Coord_1=Ybound; |
---|
| 1691 | 1621 eval([<span class="string">'ProjData.'</span> VarName <span class="string">'=FieldData.'</span> VarName <span class="string">'(min_ind1:max_ind1,min_ind2:max_ind2) ;'</span>]); |
---|
| 1692 | 1622 <span class="keyword">end</span> |
---|
| 1693 | 1623 <span class="keyword">else</span> |
---|
| 1694 | 1624 <span class="comment">% case with rotation and/or interpolation</span> |
---|
| 1695 | 1625 <span class="keyword">if</span> isempty(Coord_z) <span class="comment">%2D case</span> |
---|
| 1696 | 1626 [X,Y]=meshgrid(coord_x_proj,coord_y_proj);<span class="comment">%grid in the new coordinates</span> |
---|
| 1697 | 1627 XIMA=ObjectData.Coord(1,1)+(X)*cos(Phi)-Y*sin(Phi);<span class="comment">%corresponding coordinates in the original image</span> |
---|
| 1698 | 1628 YIMA=ObjectData.Coord(1,2)+(X)*sin(Phi)+Y*cos(Phi); |
---|
| 1699 | 1629 XIMA=(XIMA-minAX)/DXinit+1;<span class="comment">% image index along x</span> |
---|
| 1700 | 1630 YIMA=(-YIMA+maxAY)/DYinit+1;<span class="comment">% image index along y</span> |
---|
| 1701 | 1631 XIMA=reshape(round(XIMA),1,npX*npY);<span class="comment">%indices reorganized in 'line'</span> |
---|
| 1702 | 1632 YIMA=reshape(round(YIMA),1,npX*npY); |
---|
| 1703 | 1633 flagin=XIMA>=1 & XIMA<=npx & YIMA >=1 & YIMA<=npy;<span class="comment">%flagin=1 inside the original image</span> |
---|
| 1704 | 1634 <span class="keyword">if</span> isequal(ObjectData.ProjMode,<span class="string">'filter'</span>) |
---|
| 1705 | 1635 npx_filter=ceil(abs(DX/DAX)); |
---|
| 1706 | 1636 npy_filter=ceil(abs(DY/DAY)); |
---|
| 1707 | 1637 Mfilter=ones(npy_filter,npx_filter)/(npx_filter*npy_filter); |
---|
| 1708 | 1638 test_filter=1; |
---|
| 1709 | 1639 <span class="keyword">else</span> |
---|
| 1710 | 1640 test_filter=0; |
---|
| 1711 | 1641 <span class="keyword">end</span> |
---|
| 1712 | 1642 <span class="keyword">for</span> ivar=VarIndex |
---|
| 1713 | 1643 VarName=FieldData.ListVarName{ivar} ; |
---|
| 1714 | 1644 <span class="keyword">if</span> test_interp(1) | test_interp(2)<span class="comment">%interpolate on a regular grid</span> |
---|
| 1715 | 1645 eval([<span class="string">'FieldData.'</span> VarName <span class="string">'=interp2(Coord{2},Coord{1},FieldData.'</span> VarName <span class="string">',Coord_x,Coord_y'');'</span>]) <span class="comment">%TO TEST</span> |
---|
| 1716 | 1646 <span class="keyword">end</span> |
---|
| 1717 | 1647 <span class="comment">%filter the field (image) if option 'filter' is used</span> |
---|
| 1718 | 1648 <span class="keyword">if</span> test_filter |
---|
| 1719 | 1649 Aclass=class(FieldData.A); |
---|
| 1720 | 1650 eval([<span class="string">'FieldData.'</span> VarName <span class="string">'=filter2(Mfilter,FieldData.'</span> VarName <span class="string">',''valid'');'</span>]) |
---|
| 1721 | 1651 <span class="keyword">if</span> ~isequal(Aclass,<span class="string">'double'</span>) |
---|
| 1722 | 1652 eval([<span class="string">'FieldData.'</span> VarName <span class="string">'='</span> Aclass <span class="string">'(FieldData.'</span> VarName <span class="string">');'</span>])<span class="comment">%revert to integer values</span> |
---|
| 1723 | 1653 <span class="keyword">end</span> |
---|
| 1724 | 1654 <span class="keyword">end</span> |
---|
| 1725 | 1655 eval([<span class="string">'vec_A=reshape(FieldData.'</span> VarName <span class="string">',npx*npy,nbcolor);'</span>])<span class="comment">%put the original image in line</span> |
---|
| 1726 | 1656 ind_in=find(flagin); |
---|
| 1727 | 1657 ind_out=find(~flagin); |
---|
| 1728 | 1658 ICOMB=(XIMA-1)*npy+YIMA; |
---|
| 1729 | 1659 ICOMB=ICOMB(flagin);<span class="comment">%index corresponding to XIMA and YIMA in the aligned original image vec_A</span> |
---|
| 1730 | 1660 vec_B(ind_in,[1:nbcolor])=vec_A(ICOMB,:); |
---|
| 1731 | 1661 <span class="keyword">for</span> icolor=1:nbcolor |
---|
| 1732 | 1662 vec_B(ind_out,icolor)=zeros(size(ind_out)); |
---|
| 1733 | 1663 <span class="keyword">end</span> |
---|
| 1734 | 1664 <span class="keyword">if</span> isequal(ObjectData.ProjMode,<span class="string">'interp'</span>) || isequal(ObjectData.ProjMode,<span class="string">'filter'</span>)<span class="comment">% coordinates common to all fields</span> |
---|
| 1735 | 1665 ProjData.ListDimName={<span class="string">'coord_y'</span>,<span class="string">'coord_x'</span>}; |
---|
| 1736 | 1666 ProjData.DimValue=[length(coord_y_proj) length(coord_x_proj)]; |
---|
| 1737 | 1667 <span class="keyword">else</span> |
---|
| 1738 | 1668 icoord=icoord+1; |
---|
| 1739 | 1669 ProjData.ListDimName=[ProjData.ListDimName {[<span class="string">'coord_y_'</span> num2str(icoord)],[<span class="string">'coord_x_'</span> num2str(icoord)]}]; |
---|
| 1740 | 1670 ProjData.DimValue=[ProjData.DimValue length(coord_y_proj) length(coord_x_proj)]; |
---|
| 1741 | 1671 <span class="keyword">end</span> |
---|
| 1742 | 1672 ProjData.ListVarName=[ProjData.ListVarName VarName]; |
---|
| 1743 | 1673 ProjData.VarDimIndex=[ProjData.VarDimIndex [nb_dim-1 nb_dim]]; |
---|
| 1744 | 1674 <span class="keyword">if</span> length(FieldData.VarAttribute)>=ivar |
---|
| 1745 | 1675 ProjData.VarAttribute{length(ProjData.ListVarName)}=FieldData.VarAttribute{ivar}; |
---|
| 1746 | 1676 <span class="keyword">end</span> |
---|
| 1747 | 1677 <span class="keyword">if</span> test_direct(2)==1 |
---|
| 1748 | 1678 ProjData.VarAttribute{length(ProjData.ListVarName)}.Coord_2=[XMin XMax]; |
---|
| 1749 | 1679 <span class="keyword">else</span> |
---|
| 1750 | 1680 ProjData.VarAttribute{length(ProjData.ListVarName)}.Coord_2=[XMax XMin]; |
---|
| 1751 | 1681 <span class="keyword">end</span> |
---|
| 1752 | 1682 <span class="keyword">if</span> test_direct(1)==1 |
---|
| 1753 | 1683 ProjData.VarAttribute{length(ProjData.ListVarName)}.Coord_1=[YMin YMax]; |
---|
| 1754 | 1684 <span class="keyword">else</span> |
---|
| 1755 | 1685 ProjData.VarAttribute{length(ProjData.ListVarName)}.Coord_1=[YMax YMin]; |
---|
| 1756 | 1686 <span class="keyword">end</span> |
---|
| 1757 | 1687 eval([<span class="string">'ProjData.'</span> VarName <span class="string">'=reshape(vec_B,npY,npX,nbcolor);'</span>]); |
---|
| 1758 | 1688 <span class="keyword">end</span> |
---|
| 1759 | 1689 ProjData.FF=reshape(~flagin,npY,npX);<span class="comment">%false flag A FAIRE: tenir compte d'un flga antérieur</span> |
---|
| 1760 | 1690 ProjData.ListVarName=[ProjData.ListVarName <span class="string">'FF'</span>]; |
---|
| 1761 | 1691 ProjData.VarDimIndex=[ProjData.VarDimIndex [nb_dim-1 nb_dim]]; |
---|
| 1762 | 1692 ProjData.VarAttribute{length(ProjData.ListVarName)}.Role=<span class="string">'errorflag'</span>; |
---|
| 1763 | 1693 <span class="keyword">else</span> <span class="comment">%3D case</span> |
---|
| 1764 | 1694 <span class="keyword">if</span> isequal(Theta,0) & isequal(Phi,0) |
---|
| 1765 | 1695 test_sup=(Coord{1}>=ObjectData.Coord(1,3)); |
---|
| 1766 | 1696 iz_sup=find(test_sup); |
---|
| 1767 | 1697 iz=iz_sup(1); |
---|
| 1768 | 1698 <span class="keyword">if</span> iz>=1 & iz<=npz |
---|
| 1769 | 1699 ProjData.ListDimName=[ProjData.ListDimName ListDimName(2:end)]; |
---|
| 1770 | 1700 ProjData.DimValue=[ProjData.DimValue npY npX]; |
---|
| 1771 | 1701 <span class="keyword">for</span> ivar=VarIndex |
---|
| 1772 | 1702 VarName=FieldData.ListVarName{ivar}; |
---|
| 1773 | 1703 ProjData.ListVarName=[ProjData.ListVarName VarName]; |
---|
| 1774 | 1704 ProjData.VarDimIndex=[ProjData.VarDimIndex [nb_dim-2 nb_dim-1]]; |
---|
| 1775 | 1705 ProjData.VarAttribute{length(ProjData.ListVarName)}=FieldData.VarAttribute{ivar}; <span class="comment">%reproduce the variable attributes</span> |
---|
| 1776 | 1706 <span class="keyword">if</span> test_direct_x==1 |
---|
| 1777 | 1707 ProjData.VarAttribute{length(ProjData.ListVarName)}.Coord_2=[XMin XMax]; |
---|
| 1778 | 1708 <span class="keyword">else</span> |
---|
| 1779 | 1709 ProjData.VarAttribute{length(ProjData.ListVarName)}.Coord_2=[XMax XMin]; |
---|
| 1780 | 1710 <span class="keyword">end</span> |
---|
| 1781 | 1711 <span class="keyword">if</span> test_direct_y==1 |
---|
| 1782 | 1712 ProjData.VarAttribute{length(ProjData.ListVarName)}.Coord_1=[YMin YMax]; |
---|
| 1783 | 1713 <span class="keyword">else</span> |
---|
| 1784 | 1714 ProjData.VarAttribute{length(ProjData.ListVarName)}.Coord_1=[YMax YMin]; |
---|
| 1785 | 1715 <span class="keyword">end</span> |
---|
| 1786 | 1716 eval([<span class="string">'ProjData.'</span> VarName <span class="string">'=squeeze(FieldData.'</span> VarName <span class="string">'(iz,:,:));'</span>])<span class="comment">% select the z index iz</span> |
---|
| 1787 | 1717 <span class="comment">%TODO : do a vertical average for a thick plane</span> |
---|
| 1788 | 1718 <span class="keyword">if</span> test_interp(2) | test_interp(3) |
---|
| 1789 | 1719 eval([<span class="string">'ProjData.'</span> VarName <span class="string">'=interp2(Coord{3},Coord{2},ProjData.'</span> VarName <span class="string">',Coord_x,Coord_y'');'</span>]) |
---|
| 1790 | 1720 <span class="keyword">end</span> |
---|
| 1791 | 1721 <span class="keyword">end</span> |
---|
| 1792 | 1722 <span class="keyword">end</span> |
---|
| 1793 | 1723 <span class="keyword">else</span> |
---|
| 1794 | 1724 <a href="warndlg_uvmat.html" class="code" title="function hwarn=warndlg_uvmat(warntext,title)">warndlg_uvmat</a>(<span class="string">'projection of structured coordinates on oblique plane not yet implemented'</span>,<span class="string">'ERROR'</span>) |
---|
| 1795 | 1725 <span class="comment">%TODO: use interp3</span> |
---|
| 1796 | 1726 <span class="keyword">return</span> |
---|
| 1797 | 1727 <span class="keyword">end</span> |
---|
| 1798 | 1728 <span class="keyword">end</span> |
---|
| 1799 | 1729 <span class="keyword">end</span> |
---|
| 1800 | 1730 <span class="keyword">end</span> |
---|
| 1801 | 1731 <span class="comment">%projection of velocity components in the rotated coordinates</span> |
---|
| 1802 | 1732 <span class="keyword">if</span> ~isequal(Phi,0) & length(ivar_U)==1 |
---|
| 1803 | 1733 <span class="keyword">if</span> isempty(ivar_V) |
---|
| 1804 | 1734 <a href="warndlg_uvmat.html" class="code" title="function hwarn=warndlg_uvmat(warntext,title)">warndlg_uvmat</a>(<span class="string">'v velocity component missing in proj_field.m'</span>,<span class="string">'ERROR'</span>) |
---|
| 1805 | 1735 <span class="keyword">return</span> |
---|
| 1806 | 1736 <span class="keyword">end</span> |
---|
| 1807 | 1737 UName=FieldData.ListVarName{ivar_U}; |
---|
| 1808 | 1738 VName=FieldData.ListVarName{ivar_V}; |
---|
| 1809 | 1739 eval([<span class="string">'ProjData.'</span> UName <span class="string">'=cos(Phi)*ProjData.'</span> UName <span class="string">'+ sin(Phi)*ProjData.'</span> VName <span class="string">';'</span>]) |
---|
| 1810 | 1740 eval([<span class="string">'ProjData.'</span> VName <span class="string">'=cos(Theta)*(-sin(Phi)*ProjData.'</span> UName <span class="string">'+ cos(Phi)*ProjData.'</span> VName <span class="string">');'</span>]) |
---|
| 1811 | 1741 <span class="keyword">if</span> ~isempty(ivar_W) |
---|
| 1812 | 1742 WName=FieldData.ListVarName{ivar_W}; |
---|
| 1813 | 1743 eval([<span class="string">'ProjData.'</span> VName <span class="string">'=ProjData.'</span> VName <span class="string">'+ ProjData.'</span> WName <span class="string">'*sin(Theta);'</span>])<span class="comment">%</span> |
---|
| 1814 | 1744 eval([<span class="string">'ProjData.'</span> WName <span class="string">'=NormVec_X*ProjData.'</span> UName <span class="string">'+ NormVec_Y*ProjData.'</span> VName <span class="string">'+ NormVec_Z* ProjData.'</span> WName <span class="string">';'</span>]); |
---|
| 1815 | 1745 <span class="keyword">end</span> |
---|
| 1816 | 1746 <span class="keyword">if</span> ~isequal(Psi,0) |
---|
| 1817 | 1747 eval([<span class="string">'ProjData.'</span> UName <span class="string">'=cos(Psi)* ProjData.'</span> UName <span class="string">'- sin(Psi)*ProjData.'</span> VName <span class="string">';'</span>]); |
---|
| 1818 | 1748 eval([<span class="string">'ProjData.'</span> VName <span class="string">'=sin(Psi)* ProjData.'</span> UName <span class="string">'+ cos(Psi)*ProjData.'</span> VName <span class="string">';'</span>]); |
---|
| 1819 | 1749 <span class="keyword">end</span> |
---|
| 1820 | 1750 <span class="keyword">end</span> |
---|
| 1821 | 1751 <span class="keyword">end</span> |
---|
| 1822 | 1752 |
---|
| 1823 | 1753 <span class="comment">%-----------------------------------------------------------------</span> |
---|
| 1824 | 1754 <span class="comment">%transmit the global attributes</span> |
---|
| 1825 | 1755 <a name="_sub4" href="#_subfunctions" class="code">function [ProjData,errormsg]=proj_heading(FieldData,ObjectData)</a> |
---|
| 1826 | 1756 <span class="comment">%-----------------------------------------------------------------</span> |
---|
| 1827 | 1757 <span class="comment">% ProjData=FieldData;</span> |
---|
| 1828 | 1758 ProjData=[];<span class="comment">%default</span> |
---|
| 1829 | 1759 <span class="keyword">if</span> ~isfield(FieldData,<span class="string">'ListGlobalAttribute'</span>) |
---|
| 1830 | 1760 ProjData.ListGlobalAttribute={}; |
---|
| 1831 | 1761 <span class="keyword">else</span> |
---|
| 1832 | 1762 ProjData.ListGlobalAttribute=FieldData.ListGlobalAttribute; |
---|
| 1833 | 1763 <span class="keyword">end</span> |
---|
| 1834 | 1764 <span class="keyword">if</span> isfield(FieldData,<span class="string">'Txt'</span>) |
---|
| 1835 | 1765 errormsg=FieldData.Txt; <span class="comment">%transmit erreur message</span> |
---|
| 1836 | 1766 <span class="keyword">return</span>; |
---|
| 1837 | 1767 <span class="keyword">end</span> |
---|
| 1838 | 1768 <span class="keyword">for</span> iattr=1:length(ProjData.ListGlobalAttribute) |
---|
| 1839 | 1769 AttrName=ProjData.ListGlobalAttribute{iattr}; |
---|
| 1840 | 1770 <span class="keyword">if</span> isfield(FieldData,AttrName) |
---|
| 1841 | 1771 eval([<span class="string">'ProjData.'</span> AttrName <span class="string">'=FieldData.'</span> AttrName <span class="string">';'</span>]); |
---|
| 1842 | 1772 <span class="keyword">end</span> |
---|
| 1843 | 1773 <span class="keyword">end</span> |
---|
| 1844 | 1774 <span class="keyword">if</span> isfield(FieldData,<span class="string">'CoordType'</span>) |
---|
| 1845 | 1775 <span class="keyword">if</span> isfield(ObjectData,<span class="string">'CoordType'</span>)&~isequal(FieldData.CoordType,ObjectData.CoordType) |
---|
| 1846 | 1776 errormsg=[ObjectData.Style <span class="string">' in '</span> ObjectData.CoordType <span class="string">' coordinates, while field in '</span> FieldData.CoordType <span class="string">' coordinates'</span>]; |
---|
| 1847 | 1777 <span class="keyword">return</span> |
---|
| 1848 | 1778 <span class="keyword">else</span> |
---|
| 1849 | 1779 ProjData.CoordType=FieldData.CoordType; |
---|
| 1850 | 1780 <span class="keyword">end</span> |
---|
| 1851 | 1781 <span class="keyword">end</span> |
---|
| 1852 | 1782 |
---|
| 1853 | 1783 ListObject={<span class="string">'Style'</span>,<span class="string">'ProjMode'</span>,<span class="string">'RangeX'</span>,<span class="string">'RangeY'</span>,<span class="string">'RangeZ'</span>,<span class="string">'Phi'</span>,<span class="string">'Theta'</span>,<span class="string">'Psi'</span>,<span class="string">'Coord'</span>}; |
---|
| 1854 | 1784 <span class="keyword">for</span> ilist=1:length(ListObject) |
---|
| 1855 | 1785 <span class="keyword">if</span> isfield(ObjectData,ListObject{ilist}) |
---|
| 1856 | 1786 eval([<span class="string">'val=ObjectData.'</span> ListObject{ilist} <span class="string">';'</span>]) |
---|
| 1857 | 1787 <span class="keyword">if</span> ~isempty(val) |
---|
| 1858 | 1788 eval([<span class="string">'ProjData.Object'</span> ListObject{ilist} <span class="string">'=val;'</span>]); |
---|
| 1859 | 1789 ProjData.ListGlobalAttribute=[ProjData.ListGlobalAttribute {[<span class="string">'Object'</span> ListObject{ilist}]}]; |
---|
| 1860 | 1790 <span class="keyword">end</span> |
---|
| 1861 | 1791 <span class="keyword">end</span> |
---|
| 1862 | 1792 <span class="keyword">end</span></pre></div> |
---|
| 1863 | <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> |
---|
| 1864 | </body> |
---|
| 1865 | </html> |
---|