source: trunk/src/mouse_down.m @ 501

Last change on this file since 501 was 497, checked in by sommeria, 9 years ago

cleaning and small bug repair.
pb of histogram for filter data solved
display of uicontrol by right mouse selection improved

File size: 22.7 KB
Line 
1%'mouse_down': function activated when the mouse button is pressed on a figure (callback for 'WindowButtonDownFcn'
2%--------------------------------------------------------------
3% xy=mouse_down(hObject,eventdata)
4% activated by the command:
5% set(hObject,'WindowButtonDownFcn',{'mouse_down'}),
6% where hObject is the handle of the figure
7%
8%AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
9%  Copyright Joel Sommeria, 2008, LEGI / CNRS-UJF-INPG, sommeria@coriolis-legi.org.
10%AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
11%     This file is part of the toolbox UVMAT.
12%
13%     UVMAT is free software; you can redistribute it and/or modify
14%     it under the terms of the GNU General Public License as published by
15%     the Free Software Foundation; either version 2 of the License, or
16%     (at your option) any later version.
17%
18%     UVMAT is distributed in the hope that it will be useful,
19%     but WITHOUT ANY WARRANTY; without even the implied warranty of
20%     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21%     GNU General Public License (file UVMAT/COPYING.txt) for more details.
22%AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
23
24function xy=mouse_down(hObject,eventdata)
25AxeData=[];%default
26FigData=get(hObject,'UserData');
27if ishandle(FigData)% case of a zoom plot, the handle of the parent rectangle is stored in UserData, its parent is the plotting axes of the rectangle
28    hcurrentfig=get(get(FigData,'parent'),'parent');
29else
30    hcurrentfig=hObject;%usual plot
31end
32set(hcurrentfig,'Units','pixels')
33GUI_pos=get(hcurrentfig,'Position');%position of the GUI series (in pixels)
34set(hcurrentfig,'Units','normalized')
35hhcurrentfig=guidata(hcurrentfig);
36if isfield(hhcurrentfig,'CheckZoom')
37    test_zoom=get(hhcurrentfig.CheckZoom,'Value');%test for zoom action, first priority
38else
39    test_zoom=0;
40end
41test_piv=isfield(FigData,'CivHandle');
42
43%% look for parameters set by the GUI uvmat
44test_ruler=0;
45test_edit=0;
46test_create=0;
47huvmat=findobj(allchild(0),'tag','uvmat');%find the uvmat interface handle which controls theoption of  mouse action
48if ~isempty(huvmat)
49    hhuvmat=guidata(huvmat);%handles of elements in uvmat
50    UvData=get(huvmat,'UserData');
51    test_ruler=isequal(get(hhuvmat.MenuRuler,'checked'),'on');%test for ruler  action, second priority;
52    test_edit=get(hhuvmat.edit_object,'Value');%test for object editing, third priority
53    test_edit_vect=get(hhuvmat.edit_vect,'Value');%test for vector editing,  priority 4
54    %     test_create=isequal(get(hhuvmat.MenuObject,'checked'),'on');% test for object creation,  priority 5
55    %     if test_create
56    test_create=0;
57    hset_object=findobj(allchild(0),'tag','set_object');
58
59    if ~isempty(hset_object)
60        hPLOT=findobj(hset_object,'tag','PLOT');
61        test_create=strcmp(get(hPLOT,'enable'),'on') &&~test_edit;% create new object if set_object is in mode enable and uvmat not in mode 'edit_object'
62    end
63   
64    test_cal=isequal(get(hhuvmat.MenuCalib,'checked'),'on');% test for calibration
65    if test_cal% test for calibration popints,  priority 6
66        h_calib=findobj(allchild(0),'tag','geometry_calib');
67        if isempty(h_calib)
68            test_cal=0;
69            set(hhuvmat.MenuCalib,'checked','off');% test for calibration off
70        else
71            hh_calib=guidata(h_calib);
72            test_cal=get(hh_calib.edit_append,'Value');
73        end
74    end
75end
76
77%% determine the currently selected items
78hcurrentobject=gco;% current object handle (selected by the mouse)
79%hcurrentfig=hObject;% current figure handle
80fig_tag=get(hcurrentfig,'Tag');
81tag_obj=get(gco,'Tag');%tag of the currently selected object
82xy=[];%default
83xy_fig=get(hObject,'CurrentPoint');% current point of the current figure (gcbo)
84hchildren=get(hObject,'Children');%handles of all objects in the current figure
85haxes=[];
86
87%% loop on all the objects in the current figure (selected by the last mouse click)
88output_str='';
89state_visible=get(hchildren,'Visible');
90check_visible=strcmp('on',state_visible);%=1 if visible='on', =0 otherwise
91hchildren=hchildren(find(check_visible)); %kkep only the visible children
92for ichild=1:length(hchildren)
93    hchild=hchildren(ichild); %handle of the current obj
94    obj_pos=get(hchild,'Position');%position of the object
95    if xy_fig(1) >=obj_pos(1) & xy_fig(2) >= obj_pos(2)& xy_fig(1) <=obj_pos(1)+obj_pos(3) & xy_fig(2) <= obj_pos(2)+obj_pos(4);
96        htype=get(hchild,'Type');%type of object child of the current figure
97        switch htype
98            %if the mouse is over an axis, look at the data
99            case 'axes'
100                y_lim=get(hchild,'YLim');
101                x_lim=get(hchild,'XLim');
102                haxes=hchild;
103                xy=get(hchild,'CurrentPoint');%xy(1,1),xy(1,2): current x,y positions in axes coordinates
104                if xy(1,1)>x_lim(1) && xy(1,1)<x_lim(2) && xy(1,2)>y_lim(1) && xy(1,2)<y_lim(2)
105                    AxeData=get(hchild,'UserData');% data attached to the axis
106                    AxeData.CurrentOrigin=[xy(1,1) xy(1,2)];% The current point set by the mouse becomes the current origin
107                    if test_edit_vect && ~isequal(tag_obj,'proj_object') & ~test_create
108                        ivec=[];
109                        FigData=get(hcurrentfig,'UserData');
110                        tagaxes=get(hchild,'tag');
111                        if isfield(FigData,tagaxes)
112                            eval(['Field=FigData.' tagaxes ';'])
113                            [CellVarIndex,NbDim,VarType]=find_field_indices(Field);%analyse the physical fields contained in Field
114                            for icell=1:numel(CellVarIndex)%look for all physical fields
115                                if NbDim(icell)==2 % select 2D field
116                                    if  isfield(Field,'Mesh') && ~isempty(Field.Mesh)&& ~isempty(VarType{icell}.coord_x) && ~isempty(VarType{icell}.coord_y)%case of unstructured data
117                                        eval(['X=Field.' Field.ListVarName{VarType{icell}.coord_x} ';'])
118                                        eval(['Y=Field.' Field.ListVarName{VarType{icell}.coord_y} ';'])
119                                        flag_vec=(X<(xy(1,1)+Field.Mesh/4) & X>(xy(1,1)-Field.Mesh/4)) & ...%flagx=1 for the vectors with x position selected by the mouse
120                                            (Y<(xy(1,2)+Field.Mesh/4) & Y>(xy(1,2)-Field.Mesh/4));%f
121                                        ivec=find(flag_vec,1);% search the (first) selected vector index ivec
122                                    end
123                                end
124                            end
125                        end
126                    end
127                else
128                    hchild=[];%mouse out of axes
129                end
130                break
131            %if the mouse is over a uicontrol, duplicate the display  in an editable  zoom window
132            case 'uicontrol'
133                if isequal(get(hObject,'SelectionType'),'alt')  && isequal(get(hchild,'Visible'),'on') && ~isequal(get(hchild,'tag'),'frame_object')&&...
134                        ~isequal(get(hchild,'tag'),'ListObject')
135                    if ~strcmp(get(hchild,'Style'),'frame')%do not visualisaze frames
136                        msg_pos(1:2)=GUI_pos(1:2)+obj_pos(1:2).*GUI_pos(3:4);
137                        display_str=get(hchild,'TooltipString');
138                        output_str=msgbox_uvmat(['uicontrol: ' get(hchild,'Tag')],display_str,get(hchild,'String'),msg_pos);
139                        break
140                    end
141                end
142            case 'uipanel'
143                panel_pos=obj_pos;%position of the panel
144                hhchildren=get(hchild,'Children');%handles of all objects in the current GUI
145                %% loop on all the objects in the current figure (selected by the last mouse click)
146                for iichild=1:length(hhchildren)
147                    hchild=hhchildren(iichild);
148                    rel_pos=get(hchild,'Position');%position of the object relative to the uipanel
149                    obj_pos(1:2)=panel_pos(1:2)+rel_pos(1:2).*panel_pos(3:4);
150                    obj_pos(3:4)=panel_pos(3:4).*rel_pos(3:4);
151                    if numel(obj_pos)>=4 && xy_fig(1) >=obj_pos(1) && xy_fig(2) >= obj_pos(2)&& xy_fig(1) <=obj_pos(1)+obj_pos(3) && xy_fig(2) <= obj_pos(2)+obj_pos(4);
152                        htype=get(hchild,'Type');%type of object child of the current figure
153                        %if the mouse is over a uicontrol, look at the data
154                        if strcmp(htype,'uicontrol') && strcmp(get(hchild,'Visible'),'on')
155                            msg_pos(1:2)=GUI_pos(1:2)+obj_pos(1:2).*GUI_pos(3:4);
156                            display_str=get(hchild,'TooltipString');
157                            output_str=msgbox_uvmat(['uicontrol: ' get(hchild,'Tag')],display_str,get(hchild,'String'),msg_pos);
158                            break
159                        end
160                    end
161                end
162        end
163        if ~isempty(output_str)
164            break   %leave the current loop if a uicontrol has been selected
165        end
166    end
167end
168if ~isempty(output_str)               
169    set(hObject,'Units','pixels')
170    if strcmp(get(hchild,'enable'),'on')
171    set(hchild,'String',output_str)
172    end
173end
174   
175%% desable  object creation and vector editing if NbDim different from 2
176if ~(isfield(AxeData,'NbDim') && isequal(AxeData.NbDim,2))
177    test_create=0;
178    test_edit_vect=0;   
179end
180
181%% delete the current zoom rectangle
182if isfield(AxeData,'CurrentRectZoom') && ishandle(AxeData.CurrentRectZoom)
183    delete(AxeData.CurrentRectZoom)
184    AxeData.CurrentRectZoom=[];
185end   
186
187%% zoom has first priority
188if test_zoom %&& ~test_create && ~test_edit && ~test_edit_vect && exist('xy','var')
189     AxeData.Drawing='zoom'; %initiate drawing mode
190     AxeData.CurrentObject=[];%unselect objects
191     set(hchild,'UserData',AxeData);
192     return
193end
194if isempty(huvmat)%further options require the uvmat GUI
195    return
196end
197
198%% ruler has second priority
199if test_ruler
200    AxeData.RulerCoord(1,1)=xy(1,1);
201    AxeData.RulerCoord(1,2)=xy(1,2);
202    AxeData.RulerHandle=line([xy(1,1) xy(1,1)],[xy(1,2) xy(1,2)],'Color','m','Tag','ruler');
203    AxeData.Drawing='ruler';
204    set(hchild,'UserData',AxeData);
205    return
206end
207
208%% PIV test
209if test_piv
210    figure
211    newaxes=axes;
212    copyobj(AxeData.CurrentCorrImage,newaxes);
213    set(newaxes,'CLim',[0 1])
214    copyobj(AxeData.CurrentVector,newaxes)
215    copyobj(AxeData.TitleHandle,newaxes)
216    colorbar
217end
218
219%% selection of an existing projection object (third priority)
220if  test_edit && (isequal(tag_obj,'proj_object')||isequal(tag_obj,'DeformPoint'))
221    if ~(isfield(AxeData,'Drawing') && isequal(AxeData.Drawing,'create'))
222        userdata=get(hcurrentobject,'UserData');
223        if ishandle(userdata)%the selected line depends on a parent line
224            AxeData.CurrentObject=userdata;% the parent object becomes the current one
225        else
226            AxeData.CurrentObject=hcurrentobject;% the selected object becomes the current one
227        end
228        ObjectData=get(AxeData.CurrentObject,'UserData');
229        if test_edit && isfield(ObjectData,'IndexObj')
230            hother=findobj('Tag','proj_object','Type','line');%find all the proj objects
231            set(hother,'Color','b');%reset all the proj objects in 'blue' by default
232            set(hother,'Selected','off')
233            hother=findobj('Tag','proj_object','Type','rectangle');
234            set(hother,'EdgeColor','b');
235            set(hother,'Selected','off');
236            hother=findobj('Tag','proj_object','Type','image');
237            for iobj=1:length(hother)
238                   Acolor=get(hother(iobj),'CData');
239                   Acolor(:,:,1)=zeros(size(Acolor,1),size(Acolor,2));
240                   set(hother(iobj),'CData',Acolor);
241            end
242            hother=findobj('Tag','DeformPoint');
243            set(hother,'Color','b');
244            set(hother,'Selected','off')   
245            if isequal(get(AxeData.CurrentObject,'Type'),'line')
246                set(AxeData.CurrentObject,'Color','m'); %set the selected object to magenta color
247            elseif isequal(get(AxeData.CurrentObject,'Type'),'rectangle')
248                 set(AxeData.CurrentObject,'EdgeColor','m'); %set the selected object to magenta color
249            end
250            if isfield(ObjectData,'SubObject')& ishandle(ObjectData.SubObject)
251                for iobj=1:length(ObjectData.SubObject)
252                    hsub=ObjectData.SubObject(iobj);
253                    if isequal(get(hsub,'Type'),'rectangle')
254                        set(hsub,'EdgeColor','m'); %set the selected object to magenta color
255                    elseif isequal(get(hsub,'Type'),'image')
256                       Acolor=get(hsub,'CData');
257                       Acolor(:,:,1)=Acolor(:,:,3);
258                       set(hsub,'CData',Acolor);
259                    else
260                        set(hsub,'Color','m')
261                    end
262                end
263            end
264            if isequal(tag_obj,'DeformPoint')
265                 set(hcurrentobject,'Color','m'); %set the selected DeformPoint to magenta color
266            end
267            IndexObj=ObjectData.IndexObj;
268                    %indicate on the list of the GUI uvmat which object has been selected
269            if strcmp(get(hcurrentfig,'tag'),'uvmat') %if the uvmat graph has been selected, object projection is on the other frame view_field
270%                 IndexObj=get(hhuvmat.ListObject,'Value');
271%                 if IndexObj>IndexObj_old(1)
272%                     IndexObj=[IndexObj_old(1) IndexObj];
273%                 else
274%                     IndexObj=[1 IndexObj];
275%                 end
276                set(hhuvmat.ListObject,'Value',IndexObj);
277%                 set(hhuvmat.ListObject,'UserData',IndexObj);
278            else
279                set(hhuvmat.ListObject_1,'Value',IndexObj);
280                list_str=get(hhuvmat.ListObject_1,'String');
281                UvData.Object{IndexObj}.Name=list_str{IndexObj};
282            end
283%             h_set_object=findobj(allchild(0),'Tag','set_object');
284%             if ~isempty(h_set_object)
285%                 delete(h_set_object)
286%             end
287            set_object(UvData.Object{IndexObj})
288            axes(hchild);%set back the current axes haxes
289            testdeform=0;
290            set(gcbo,'Pointer','circle');
291            AxeData.Drawing='deform';
292            if isequal(tag_obj,'DeformPoint')       
293               if isfield(ObjectData,'DeformPoint')
294                   set(hcurrentobject,'Selected','on')
295                   for ipt=1:length(ObjectData.DeformPoint)
296                       if isequal(ObjectData.DeformPoint(ipt),hcurrentobject)
297                            AxeData.CurrentIndex=ipt;
298                            testdeform=1;
299                       end
300                   end
301               end
302            end
303            if testdeform==0
304                AxeData.Drawing='translate';
305                set(AxeData.CurrentObject,'Selected','on')
306                set(gcbo,'Pointer','fleur');
307            end
308        end
309    end
310end
311
312%%  create  projection  object
313if  test_create && ~isempty(xy) %&& ~(isfield(AxeData,'Drawing')&& isequal(AxeData.Drawing,'create'))
314    hset_object=findobj(allchild(0),'tag','set_object');
315    % activate this option if the GUI set_object is opened
316    if ~isempty(hset_object)
317        sethandles=guidata(hset_object);% handles of the elements in the GUI set_object
318        ObjectData=read_GUI(hset_object); %read object parameters in the GUI set_object
319        IndexObj=length(UvData.Object);
320        %initiate a new object (no data .Coord yet recorded)
321        if ~isfield(UvData.Object{IndexObj},'Coord');
322            ObjectData.Coord=[];
323            ObjectNameNew=ObjectData.Name;
324            if isempty(ObjectNameNew)
325                ObjectNameNew=ObjectData.Type;
326            end
327            % add an index to the object name if the proposed name already exists         
328            vers=0;% index of the name
329            ListObject=get(hhuvmat.ListObject,'String');
330            detectname=1;
331            while ~isempty(detectname)
332                detectname=find(strcmp(ObjectNameNew,ListObject),1);%test the existence of the proposed name in the list
333                if detectname% if the object name already exists
334                    indstr=regexp(ObjectNameNew,'\D');
335                    if indstr(end)<length(ObjectNameNew) %object name ends by a number
336                        vers=str2double(ObjectNameNew(indstr(end)+1:end))+1;
337                        ObjectNameNew=[ObjectNameNew(1:indstr(end)) num2str(vers)];
338                    else
339                        vers=vers+1;
340                        ObjectNameNew=[ObjectNameNew(1:indstr(end)) '_' num2str(vers)];
341                    end
342                end
343            end
344            ObjectName=ObjectNameNew;
345            set(sethandles.Name,'String',ObjectName)% display the default name in set_object
346            ListObject{end}=ObjectName;
347            set(hhuvmat.ListObject,'String',ListObject);%complement the object list
348            set(hhuvmat.ListObject_1,'String',ListObject);%complement the object list
349            set(hhuvmat.ListObject,'Value',IndexObj)
350            set(hhuvmat.ViewObject,'Value',1)
351        end
352        ObjectData.Coord=[ObjectData.Coord ;xy(1,1:2)];% append the coordinates marked by the mouse to the object
353        hobject=UvData.Object{IndexObj}.DisplayHandle.(fig_tag);
354        if isempty(hobject)
355            hobject=haxes;
356        end
357        ProjObject=UvData.Object{get(hhuvmat.ListObject_1,'Value')};
358        AxeData.CurrentObject=plot_object(ObjectData,ProjObject,hobject,'m');%draw the object and its handle becomes AxeData.CurrentObject
359        UvData.Object{IndexObj}=ObjectData;     
360        UvData.Object{IndexObj}.DisplayHandle.(fig_tag)=AxeData.CurrentObject;% attribute the current plot object handle to the Object     
361        %UvData.Object{IndexObj}.DisplayHandle_view_field=AxeData.CurrentObject;
362        set(huvmat,'UserData',UvData)
363        PlotData=get(AxeData.CurrentObject,'UserData');
364        PlotData.IndexObj=IndexObj;
365        set(AxeData.CurrentObject,'UserData',PlotData); %record the object index in the graph (memory used for mouse motion)
366        AxeData.Drawing='create';% flag for mouse motion
367        %show object coordinates in the GUI set_object
368        h_set_object=findobj(allchild(0),'Tag','set_object');
369        hh_set_object=guidata(h_set_object);
370        set(hh_set_object.Coord,'Data',ObjectData.Coord);
371    end
372end
373
374%% create calibration points if the GUI geometry_calib is opened, if the main axes axes3 of uvmat has ben selected
375if ~test_zoom && test_cal && ~isempty(haxes) && strcmp(get(haxes,'tag'),'axes3')
376    h_geometry_calib=findobj(allchild(0),'Name','geometry_calib'); %find the geomterty_calib GUI
377    hh_geometry_calib=guidata(h_geometry_calib);
378    h_edit_append=hh_geometry_calib.edit_append;%findobj(h_geometry_calib,'Tag','edit_append');
379    if isequal(get(h_edit_append,'Value'),1) && ~isempty(haxes)
380        h_ListCoord=hh_geometry_calib.ListCoord; %findobj(h_geometry_calib,'Tag','ListCoord');
381        coord_value=get(hhuvmat.transform_fct,'Value');% set uvmat to pixel coordinates, run it again if not
382        if ~(isequal(coord_value,1)||isequal(coord_value,3)); %active only with no transform or px (no phys)
383            set(hhuvmat.transform_fct,'Value',1)
384            uvmat('transform_fct_Callback',hObject,eventdata,hhuvmat); %file input with xml reading  in uvmat
385            set(hhuvmat.CheckFixedLimits,'Value',0)% put FixedLimits option to 'off'
386            set(hhuvmat.CheckFixedLimits,'BackgroundColor',[0.7 0.7 0.7])
387            return
388        end
389        Coord=get(h_ListCoord,'String');
390        data=read_geometry_calib(Coord);%transform char cell to numbers
391        xlim=get(haxes,'XLim');
392        ind_range_x=abs((xlim(2)-xlim(1))/50);
393        ylim=get(haxes,'YLim');
394        ind_range_y=abs((ylim(2)-ylim(1))/50);
395        ind_range=sqrt(ind_range_x*ind_range_y);
396        test_newpoint=1;
397        if size(data.Coord,2)>=5 %if calibration points already exist
398            XCoord=(data.Coord(:,4));
399            YCoord=(data.Coord(:,5));
400            index_point=find((XCoord<xy(1,1)+ind_range) & (XCoord>xy(1,1)-ind_range) & ...%flagx=1 for the vectors with x position selected by the mouse
401                          (YCoord<xy(1,2)+ind_range) & (YCoord>xy(1,2)-ind_range),1);%find the first calibration point in the neighborhood of the mouse
402            test_newpoint=isempty(index_point);%test for no existing calibration point near the mouse position
403        end
404        val=get(h_ListCoord,'Value');
405        %create a new calib point if we are not close to an existing one
406        if test_newpoint                 
407             strline=[ '    |    '  '    |    '  '    |    ' num2str(xy(1,1),4) '    |    ' num2str(xy(1,2),4)];
408           
409             if length(Coord)>=val
410                 Coord(val+1:length(Coord)+1)=Coord(val:length(Coord));% push the list forward beyond the current point
411             end
412             Coord{val}=strline;
413             set(h_ListCoord,'String',Coord)
414             data=read_geometry_calib(Coord);%transform char cell to numbers
415             XCoord=data.Coord(:,4);
416             YCoord=data.Coord(:,5);
417        end
418        hh=findobj('Tag','calib_points');%look for handle of calibration points           
419        if isempty(hh)
420            hh=line(XCoord,YCoord,'Color','m','Tag','calib_points','LineStyle','.','Marker','+');
421        else
422            set(hh,'XData',XCoord)
423            set(hh,'YData',YCoord)
424        end
425        set(hh,'UserData',val)% flag the points to edit mode
426        hhh=findobj('Tag','calib_marker');%look for handle of point marker (circle)
427        if ~isempty(hhh)
428            set(hhh,'Position',[xy(1,1)-ind_range/2 xy(1,2)-ind_range/2 ind_range ind_range])
429        else
430            rectangle('Curvature',[1 1],...
431                  'Position',[xy(1,1)-ind_range/2 xy(1,2)-ind_range/2 ind_range ind_range],'EdgeColor','m',...
432                  'LineStyle','-','Tag','calib_marker');
433           % line([xy(1,1) xy(1,1)],[xy(1,2) xy(1,2)],'Color','m','Tag','calib_marker','LineStyle','.','Marker','o','MarkerSize',ind_range);
434        end
435        AxeData.Drawing='calibration';
436    end
437end
438
439%% edit vectors
440if test_edit_vect && ~isempty(ivec)
441    %create the error flag FF if it does not exist
442    if ~isfield(Field,'FF')
443        Field.ListVarName=[Field.ListVarName 'FF'];
444        Field.VarDimName=[Field.VarDimName Field.VarDimName{VarType{icell}.coord_x}];
445        nbvar=length(Field.ListVarName);
446        Field.VarAttribute{nbvar}.Role='errorflag';
447        Field.FF=zeros(size(Field.X));
448    end
449    if isequal(Field.FF(ivec),0)
450        Field.FF(ivec)=100; %mark vector #ivec as false
451    else
452        Field.FF(ivec)=0;
453    end
454    PlotParam=read_GUI(hcurrentfig);
455    plot_field(Field,haxes,PlotParam);
456    eval(['FigData.' tagaxes '=Field;'])%record the modified field in FigData
457    set(hcurrentfig,'UserData',FigData);
458end 
459set(haxes,'UserData',AxeData);
460
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