1 | %'set_grid':produce grid for PIV with one or two images (stereo case) |
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2 | %------------------------------------------------------------------------ |
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3 | % function varargout = set_grid(varargin) |
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4 | % associated with the GUI set_grid.fig |
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5 | % |
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6 | %AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA |
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7 | % Copyright Joel Sommeria, 2008, LEGI / CNRS-UJF-INPG, sommeria@coriolis-legi.org. |
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8 | %AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA |
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9 | % This file is part of the toolbox UVMAT. |
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10 | % |
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11 | % UVMAT is free software; you can redistribute it and/or modify |
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12 | % it under the terms of the GNU General Public License as published by |
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13 | % the Free Software Foundation; either version 2 of the License, or |
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14 | % (at your option) any later version. |
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15 | % |
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16 | % UVMAT is distributed in the hope that it will be useful, |
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17 | % but WITHOUT ANY WARRANTY; without even the implied warranty of |
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18 | % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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19 | % GNU General Public License (file UVMAT/COPYING.txt) for more details. |
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20 | %AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA |
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21 | |
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22 | function varargout = set_grid(varargin) |
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23 | |
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24 | % Last Modified by GUIDE v2.5 01-Mar-2013 22:41:43 |
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25 | |
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26 | % Begin initialization code - DO NOT PLOT |
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27 | gui_Singleton = 1; |
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28 | gui_State = struct('gui_Name', mfilename, ... |
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29 | 'gui_Singleton', gui_Singleton, ... |
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30 | 'gui_OpeningFcn', @set_grid_OpeningFcn, ... |
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31 | 'gui_OutputFcn', @set_grid_OutputFcn, ... |
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32 | 'gui_LayoutFcn', [] , ... |
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33 | 'gui_Callback', []); |
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34 | |
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35 | if nargin && ischar(varargin{1}) |
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36 | gui_State.gui_Callback = str2func(varargin{1}); |
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37 | end |
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38 | if nargout |
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39 | [varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:}); |
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40 | else |
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41 | gui_mainfcn(gui_State, varargin{:}); |
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42 | end |
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43 | |
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44 | %------------------------------------------------------------------- |
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45 | % --- Executes just before set_grid is made visible. |
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46 | %INPUT: |
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47 | % handles: handles of the set_grid interface elements |
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48 | %'IndexObj': index of the object (on the UvData list) that set_grid will modify |
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49 | % if =[] or absent: index still undefined (create mode in uvmat) |
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50 | % if=0; no associated object (used for series), the button 'PLOT' is then unvisible |
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51 | %'data': read from an existing object selected in the interface |
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52 | % .TITLE : class of object ('POINTS','LINE',....) |
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53 | % .num_DX,num_DY,DZ; meshes for regular grids |
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54 | % .Coord: object position coordinates |
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55 | % .ParentButton: handle of the uicontrol object calling the interface |
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56 | % PlotHandles: set of handles of the elements contolling the plotting of the projected field: |
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57 | % if =[] or absent, no plot (mask mode in uvmat) |
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58 | % parameters on the uvmat interface (obtained by 'get_plot_handle.m') |
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59 | function set_grid_OpeningFcn(hObject, eventdata, handles,InputFile,InputField) |
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60 | |
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61 | % Choose default command line output for set_grid |
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62 | handles.output = hObject; |
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63 | |
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64 | % Update handles structure |
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65 | guidata(hObject, handles); |
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66 | |
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67 | %default |
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68 | set(hObject,'DeleteFcn',@closefcn) |
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69 | set(hObject,'WindowButtonDownFcn',{'mouse_down'})%set mouse click action function |
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70 | set(handles.CoordType,'ListboxTop',1) |
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71 | set(handles.CoordType,'Value',1); |
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72 | set(handles.CoordType,'String',{'phys';'px'}); |
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73 | if exist('InputFile','var') |
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74 | set(handles.ImageA,'String',InputFile) |
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75 | end |
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76 | |
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77 | %% use InputField input from uvmat |
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78 | check_pixel=0; |
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79 | if exist('InputField','var') |
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80 | if strcmp(InputField.CoordUnit,'pixel') |
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81 | set(handles.CoordType,'Value',2) |
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82 | set(handles.TxtWarning,'Visible','on') |
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83 | Mesh=20;%default mesh in pixel |
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84 | check_pixel=1; |
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85 | else |
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86 | set(handles.CoordType,'Value',1) |
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87 | InputField.CoordMesh=20*InputField.CoordMesh; % about 20 pixels |
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88 | % adjust the mesh to a value 1, 2 , 5 *10^n |
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89 | ord=10^(floor(log10(InputField.CoordMesh)));%order of magnitude |
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90 | if InputField.CoordMesh/ord>=5 |
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91 | Mesh=5*ord; |
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92 | elseif InputField.CoordMesh/ord>=2 |
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93 | Mesh=2*ord; |
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94 | else |
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95 | Mesh=ord; |
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96 | end |
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97 | end |
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98 | Input.DX=Mesh; |
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99 | Input.DY=Mesh; |
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100 | Input.XMin=(Mesh/2)*ceil(InputField.XMin/(Mesh/2))-0.5*check_pixel; |
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101 | Input.XMax=Input.XMin+Mesh*floor((InputField.XMax-Input.XMin)/Mesh)-0.5*check_pixel; |
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102 | Input.YMin=(Mesh/2)*ceil(InputField.YMin/(Mesh/2))-0.5*check_pixel; |
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103 | Input.YMax=Input.YMin+Mesh*floor((InputField.YMax-Input.YMin)/Mesh)-0.5*check_pixel; |
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104 | errormsg=fill_GUI(Input,handles.set_grid); |
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105 | end |
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106 | |
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107 | % --- Outputs from this function are returned to the command line. |
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108 | function varargout = set_grid_OutputFcn(hObject, eventdata, handles) |
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109 | % Get default command line output from handles structure |
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110 | varargout{1} = handles.output; |
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111 | varargout{2}=handles; |
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112 | |
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113 | %---------------------------------------------------- |
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114 | % executed when closing: set the parent interface button to value 0 |
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115 | function closefcn(gcbo,eventdata) |
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116 | huvmat=findobj(allchild(0),'Name','uvmat');%find the current uvmat interface handle |
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117 | parent_button=findobj(huvmat,'Tag','grid'); |
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118 | if ~isempty(parent_button) |
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119 | set(parent_button,'Value',0)%put unactivated buttons to green |
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120 | tag=get(parent_button,'Tag'); |
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121 | if isequal(tag,'edit') |
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122 | set(parent_button,'BackgroundColor',[0.7 0.7 0.7]); |
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123 | else |
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124 | set(parent_button,'BackgroundColor',[0 1 0]); |
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125 | end |
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126 | end |
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127 | |
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128 | %----------------------------------------------------------------------- |
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129 | % --- Executes on button press in plot: PLOT the defined object and its projected field |
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130 | function plot_Callback(hObject, eventdata, handles) |
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131 | [grid_pix_A,grid_pix_B,grid_phys]=get_grid(read_GUI(handles.set_grid)); |
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132 | huvmat=findobj(allchild(0),'tag','uvmat'); |
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133 | hhuvmat=guidata(huvmat); |
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134 | axes(hhuvmat.PlotAxes); |
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135 | hold on |
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136 | UvData=get(huvmat,'UserData'); |
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137 | if isfield(UvData.Field, 'CoordUnit')&& strcmp(UvData.Field.CoordUnit,'pixel') |
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138 | plot(grid_pix_A(:,1),grid_pix_A(:,2),'.') |
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139 | else |
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140 | plot(grid_phys(:,1),grid_phys(:,2),'.') |
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141 | end |
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142 | |
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143 | %% display grid in second image defiend |
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144 | if ~isempty(grid_pix_B) |
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145 | hviewfield=view_field(get(handles.imageB,'String')); |
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146 | hhviewfield=guidata(hviewfield); |
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147 | axes(hhviewfield.PlotAxes); |
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148 | hold on |
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149 | if isfield(UvData.Field, 'CoordUnit')&& strcmp(UvData.Field.CoordUnit,'pixel') |
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150 | plot(grid_pix_B(:,1),grid_pix_B(:,2),'.') |
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151 | else |
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152 | plot(grid_phys(:,1),grid_phys(:,2),'.') |
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153 | end |
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154 | end |
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155 | |
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156 | %------------------------------------------------------------------------ |
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157 | % --- Executes on button press in CoordType. |
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158 | function CoordType_Callback(hObject, eventdata, handles) |
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159 | %------------------------------------------------------------------------ |
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160 | set(handles.num_XMin,'String','') |
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161 | set(handles.num_XMax,'String','') |
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162 | set(handles.num_DX,'String','') |
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163 | set(handles.num_YMin,'String','') |
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164 | set(handles.num_YMax,'String','') |
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165 | set(handles.num_DY,'String','') |
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166 | set(handles.num_Z,'String','') |
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167 | if isequal(get(handles.CoordType,'Value'),2) |
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168 | set(handles.TxtWarning,'visible','on') |
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169 | else |
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170 | set(handles.TxtWarning,'visible','on') |
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171 | end |
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172 | |
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173 | % ------------------------------------------------------ |
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174 | function Save_Callback(hObject, eventdata, handles) |
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175 | % ------------------------------------------------------ |
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176 | [grid_pix_A,grid_pix_B]=get_grid(read_GUI(handles.set_grid)); |
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177 | |
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178 | |
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179 | %ECRIRE FICHIERS |
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180 | nbpointsA=size(grid_pix_A); |
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181 | XA=grid_pix_A(:,1);%index=position+0.5 rounded at the nearest integer value |
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182 | YA=grid_pix_A(:,2); |
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183 | unitcolumn=32*ones(size(XA)); |
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184 | Xchar=num2str(XA); |
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185 | blanc=char(unitcolumn); |
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186 | Ychar=num2str(YA); |
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187 | tete=['1 ' num2str(nbpointsA(1))]; |
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188 | txt=[Xchar blanc Ychar]; |
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189 | textgrid={tete;txt}; |
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190 | textout=char(textgrid); |
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191 | imageA=get(handles.ImageA,'String'); |
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192 | RootPath=fileparts_uvmat(imageA); |
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193 | Answer = msgbox_uvmat('INPUT_TXT','grid file name (*.grid)',fullfile(RootPath,'gridA.grid')); |
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194 | dlmwrite(Answer,textout,''); |
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195 | msgbox_uvmat('CONFIRMATION',[Answer ' written as ASCII text file']); |
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196 | if ~isempty(grid_pix_B) |
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197 | nbpointsB=size(grid_pix_B); |
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198 | XB=round(grid_pix_B(:,1)+0.5);%index=position+0.5 rounded at the nearest integer value |
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199 | YB=round(grid_pix_B(:,2)+0.5); |
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200 | unitcolumn=32*ones(size(XB)); |
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201 | Xchar=num2str(XB); |
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202 | blanc=char(unitcolumn); |
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203 | Ychar=num2str(YB); |
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204 | tete=['1 ' num2str(nbpointsB(1))]; |
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205 | txt=[Xchar blanc Ychar]; |
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206 | textgrid={tete;txt}; |
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207 | textout=char(textgrid); |
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208 | Answer = msgbox_uvmat('INPUT_TXT','grid file name (*.grid)',fullfile(RootPath,'gridB.grid')); |
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209 | dlmwrite(Answer,textout,''); |
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210 | msgbox_uvmat('CONFIRMATION',[Answer ' written as ASCII text file']); |
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211 | end |
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212 | |
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213 | |
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214 | %------------------------------------------------------------------------ |
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215 | function [grid_pix_A,grid_pix_B,grid_phys]=get_grid(GUI) |
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216 | %------------------------------------------------------------------------ |
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217 | grid_pix_B=[];%default |
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218 | array_x=GUI.XMin:GUI.DX:GUI.XMax;% array of x values |
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219 | array_y=GUI.YMin:GUI.DY:GUI.YMax;% array of y values |
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220 | [grid_x,grid_y]=meshgrid(array_x,array_y);% matrices of x and y values |
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221 | grid_x=reshape(grid_x,[],1); %matrix of x values reshaped in line |
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222 | grid_y=reshape(grid_y,[],1);%matrix of y values reshaped in line |
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223 | % grid_z=zeros(nx_patch*ny_patch,1);% plane coordinates (TODO: 3D grids) |
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224 | |
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225 | %% check the input image A |
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226 | if ~exist(GUI.ImageA,'file') |
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227 | msgbox_uvmat('ERROR',['input image file' imageA 'does not exist']) |
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228 | return |
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229 | end |
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230 | [FileInfo,VideoObject]=get_file_info(GUI.ImageA); |
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231 | switch FileInfo.FileType |
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232 | case {'image','multimage','video','mmreader'}% case of input image or movie OK |
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233 | otherwise |
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234 | msgbox_uvmat('ERROR',['error: ' GUI.ImageA ' is not an image type recognized by Matlab ']) |
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235 | return |
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236 | end |
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237 | [RootPath,SubDir,RootFile,tild,tild,tild,tild,FileExt]=fileparts_uvmat(GUI.ImageA); |
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238 | |
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239 | %% transform to pixels if the grid is defined in phys coordinates |
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240 | grid_x_imaA=grid_x;%default grid in image A coordinates |
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241 | grid_y_imaA=grid_y; |
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242 | % MenuCoord=get(handles.CoordType,'String');% type of coordinates for grid definition, phys or pixel |
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243 | if strcmp(GUI.CoordType,'phys') |
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244 | fileAxml=fullfile(RootPath,[SubDir '.xml']);% new convention for xml name |
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245 | if ~exist(fileAxml,'file') |
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246 | fileAxml=[fullfile(RootPath,RootFile) '.xml'];% old convention for xml name |
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247 | end |
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248 | tsaiA=[];%default |
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249 | if exist(fileAxml,'file') |
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250 | [XmlDataA,errormsg]=imadoc2struct(fileAxml); |
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251 | if ~isempty(errormsg) |
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252 | msgbox_uvmat('ERROR',['error in ' fileAxml ': ' errormsg]) |
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253 | return |
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254 | end |
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255 | if isfield(XmlDataA,'GeometryCalib') |
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256 | tsaiA=XmlDataA.GeometryCalib; |
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257 | end |
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258 | end |
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259 | if isempty(tsaiA) |
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260 | msgbox_uvmat('WARNING','no geometric calibration available for image A, phys =pixel') |
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261 | else |
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262 | [grid_x_imaA,grid_y_imaA]=px_XYZ(tsaiA,grid_x,grid_y,GUI.Z); |
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263 | end |
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264 | end |
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265 | |
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266 | %% detect the grid points which are inside image A |
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267 | A=read_image(GUI.ImageA,FileInfo.FileType,VideoObject,1); |
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268 | npxA=size(A,2); |
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269 | npyA=size(A,1); |
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270 | flag=grid_x_imaA>=1 & grid_x_imaA<=npxA & grid_y_imaA>=1 & grid_y_imaA<=npyA;% ='true' inside the image |
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271 | |
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272 | %% detect the grid points which are inside image B if relevant (use for stereo PIV) |
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273 | if isfield(GUI,'ImageB') |
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274 | if ~exist(imageB,'file') |
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275 | msgbox_uvmat('ERROR',['input image file' GUI.ImageB 'does not exist']) |
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276 | return |
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277 | end |
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278 | [RootPathB,SubDirB,RootFileB,tild,tild,tild,tild,FileExt]=fileparts_uvmat(GUI.ImageB); |
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279 | fileBxml=fullfile(RootPathB,[SubDirB '.xml']);% new convention for xml name |
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280 | if ~exist(fileBxml,'file') |
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281 | fileBxml=[fullfile(RootPathB,RootFileB) '.xml'];% old convention for xml name |
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282 | end |
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283 | tsaiB=[];%default |
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284 | if exist(fileBxml,'file') |
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285 | [XmlDataB,errormsg]=imadoc2struct(fileBxml); |
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286 | if ~isempty(errormsg) |
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287 | msgbox_uvmat('ERROR',['error in ' fileAxml ': ' errormsg]) |
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288 | return |
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289 | end |
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290 | if isfield(XmlDataB,'GeometryCalib') |
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291 | tsaiB=XmlDataB.GeometryCalib; |
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292 | end |
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293 | end |
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294 | if isempty(tsaiB) |
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295 | msgbox_uvmat('WARNING','no geometric calibration available for image B, phys =pixel') |
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296 | grid_x_imaB=grid_x; |
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297 | grid_y_imaB=grid_y; |
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298 | else |
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299 | [grid_x_imaB,grid_y_imaB]=px_XYZ(tsaiB,grid_x,grid_y,GUI.Z); |
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300 | end |
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301 | B=imread(GUI.ImageB); |
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302 | npxB=size(B,2); |
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303 | npyB=size(B,1); |
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304 | flagB=grid_x_imaB>=1 & grid_x_imaB<=npxB & grid_y_imaB>=1 & grid_y_imaB<=npyB; |
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305 | flag=flagA & flagB; |
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306 | grid_pix_B(:,1)=round(grid_x_imaB(flag)); |
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307 | grid_pix_B(:,2)=round(grid_y_imaB(flag)); |
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308 | end |
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309 | |
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310 | grid_x_imaA=grid_x_imaA(flag); |
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311 | grid_y_imaA=grid_y_imaA(flag); |
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312 | grid_pix_A=[grid_x_imaA grid_y_imaA]; |
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313 | grid_x=grid_x(flag); |
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314 | grid_y=grid_y(flag); |
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315 | grid_phys=[grid_x grid_y]; |
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316 | |
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317 | |
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318 | function GetImageB_Callback(hObject, eventdata, handles) |
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319 | if isequal(get(handles.GetImageB,'Value'),1) |
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320 | set(handles.ImageB,'Visible','on') |
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321 | [FileName, PathName, filterindex] = uigetfile( ... |
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322 | {'*.*', 'All Files (*.*)'}, ... |
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323 | 'Pick the second image file',fileparts(fileparts(get(handles.ImageA,'String')))); |
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324 | ImageB=fullfile(PathName,FileName); |
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325 | [FileInfo,tild,VideoObject]=get_file_info(ImageB); |
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326 | switch FileInfo.FileType |
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327 | case {'image','multimage','video','mmreader'}% case of input image or movie OK |
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328 | set(handles.ImageB,'String',ImageB) |
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329 | otherwise |
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330 | msgbox_uvmat('ERROR',['error: ' imageB ' is not an image type recognized by Matlab ']) |
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331 | return |
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332 | end |
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333 | else |
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334 | set(handles.ImageB,'Visible','off') |
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335 | end |
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336 | |
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337 | |
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338 | %------------------------------------------------------------------------ |
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339 | % --- Executes on button press in HELP. |
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340 | function HELP_Callback(hObject, eventdata, handles) |
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341 | %------------------------------------------------------------------------ |
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342 | path_to_uvmat=which ('uvmat');% check the path of uvmat |
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343 | pathelp=fileparts(path_to_uvmat); |
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344 | helpfile=fullfile(pathelp,'uvmat_doc','uvmat_doc.html'); |
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345 | if isempty(dir(helpfile)), errordlg('Please put the help file uvmat_doc.html in the directory UVMAT/UVMAT_DOC') |
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346 | else |
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347 | web([helpfile '#set_grid']) |
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348 | end |
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349 | |
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350 | |
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351 | |
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352 | function ImageA_Callback(hObject, eventdata, handles) |
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353 | % hObject handle to ImageA (see GCBO) |
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354 | % eventdata reserved - to be defined in a future version of MATLAB |
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355 | % handles structure with handles and user data (see GUIDATA) |
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356 | |
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357 | % Hints: get(hObject,'String') returns contents of ImageA as text |
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358 | % str2double(get(hObject,'String')) returns contents of ImageA as a double |
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