How do I prevent my figures from duplicating?

Question

Pedro Guevara 2020-12-28

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/703997-how-do-i-prevent-my-figures-from-duplicating

评论： Pedro Guevara 2021-1-3

Good day.

I have the following problem. I have 1 project with 6 files (3 of type .m and 3 of type .fig, each .m corresponds to a .fig). The problem is the following: - In the file "untitled .m" I have a function (untitled_OpeningFcn) that allows to graph (just run the untitled.m) in the figure "untitled.fig", in turn in the "untitled.fig" I have a button that allows me to open "untitled3.fig" where I can add or remove coordinate points that will be added or removed from my graph; however when I remove or add points (using buttons in untitled3.fig) and call the file "untitled.m" to update the graph, a new figure "untitled.fig" is generated updated with the points but duplicated.

I wish the figure "untitled.fig" is updated with the new points, but that this figure is not duplicated. I apologize in advance if I am not fully fluent in the MATLAB language, as I am learning to program in it. I leave some lines of code for your better understanding.

untitled.m code:

function varargout = untitled(varargin)
% UNTITLED MATLAB code for untitled.fig
%      UNTITLED, by itself, creates a new UNTITLED or raises the existing
%      singleton*.
%
%      H = UNTITLED returns the handle to a new UNTITLED or the handle to
%      the existing singleton*.
%
%      UNTITLED('CALLBACK',hObject,eventData,handles,...) calls the local
%      function named CALLBACK in UNTITLED.M with the given input arguments.
%
%      UNTITLED('Property','Value',...) creates a new UNTITLED or raises the
%      existing singleton*.  Starting from the left, property value pairs are
%      applied to the GUI before untitled_OpeningFcn gets called.  An
%      unrecognized property name or invalid value makes property application
%      stop.  All inputs are passed to untitled_OpeningFcn via varargin.
%
%      *See GUI Options on GUIDE's Tools menu.  Choose "GUI allows only one
%      instance to run (singleton)".
%
% See also: GUIDE, GUIDATA, GUIHANDLES
% Edit the above text to modify the response to help untitled
% Last Modified by GUIDE v2.5 03-Jul-2020 22:04:08
% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name',       mfilename, ...
                   'gui_Singleton',  gui_Singleton, ...
                   'gui_OpeningFcn', @untitled_OpeningFcn, ...
                   'gui_OutputFcn',  @untitled_OutputFcn, ...
                   'gui_LayoutFcn',  [] , ...
                   'gui_Callback',   []);
if nargin && ischar(varargin{1})
    gui_State.gui_Callback = str2func(varargin{1});
end
if nargout
    [varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});
else
    gui_mainfcn(gui_State, varargin{:});
end
% End initialization code - DO NOT EDIT
% --- Executes just before untitled is made visible.
function untitled_OpeningFcn(hObject, ~, handles, varargin)
% This function has no output args, see OutputFcn.
% hObject    handle to figure
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
% varargin   command line arguments to untitled (see VARARGIN)
% Choose default command line output for untitled
handles.output = hObject;
% Update handles structure
guidata(hObject, handles);
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%
if  isempty( getappdata (0, 'evalue' ) )    
    appdata = get(0,'ApplicationData')
    fns = fieldnames(appdata);
    for ii = 1:numel(fns)
      rmappdata(0,fns{ii});
    end
    appdata = get(0,'ApplicationData') %make sure it's gone
    xxx = getappdata (0, 'evalue' )
else    
    xxx = getappdata (0, 'evalue' );
end  
%%%%%%%%%%%%%%
if exist('example.mat') ~= 0  
    
 %%%%%% Points 3D    
 hold off
 m = matfile('example.mat');
 Data_nodos = (m.T_E_MAT); 
 x= Data_nodos(:,2);
 y= Data_nodos(:,3);
 z= Data_nodos(:,4);
 scatter3(x,y,z,'Parent', handles.Grafic); 
 figyyy = gca; 
   
 X_min= min( Data_nodos (  :,2   ) );
 X_max= max( Data_nodos (  :,2   ) );
 Y_min= min( Data_nodos (  :,3   ) );
 Y_max= max( Data_nodos (  :,3   ) );
 Z_min= min( Data_nodos (  :,4   ) );
 Z_max= max( Data_nodos (  :,4   ) );
 
 X_min= min ( X_min );
 X_max= max ( X_max );
 Y_min= min ( Y_min );
 Y_max= max ( Y_max );  
 Z_min= min ( Z_min );
 Z_max= max ( Z_max );  
 
 %%%%%% Lines 3D
 
 hold off
 m = matfile('example2.mat');
 Data_Elementos = (m.T_E_MAT2); 
 Data_nodos = Data_nodos  % Matriz de nodos 
 
 if ( isempty(Data_Elementos) == 0 ) % Entra si "Data_Elementos" tiene datos  
     if isempty(xxx)==1  % Si xxx esta vacio (nudo borrado)
         
     else % Si xxx no esta vacio (nudo no borrado)      
      Bus_N_I = find( Data_Elementos ( : , 2) == xxx );    
      Bus_N_F = find( Data_Elementos ( : , 3) == xxx );      
      Data_Elementos( [Bus_N_I,Bus_N_F] , :   ) = []
     end
     
           [numRows,numCols] = size(Data_Elementos)
           for i=1:numRows
            Pos = ismember ( Data_nodos (:,1) , Data_Elementos ( i, 2:3 )  )
            Pos = find(Pos == 1);
            P1(i,1:3) =  Data_nodos ( Pos(1,1) , 2:4  )
            P2(i,1:3) =  Data_nodos ( Pos(2,1) , 2:4  ) 
            gca;    
            plot3( handles.Grafic, [ P1(i,1) ,P2(i,1)] , [ P1(i,2), P2(i,2) ] , [ P1(i,3), P2(i,3) ] )  
            hold on
           end      
           text(x,y,z, cellstr (    num2str ( Data_nodos ( 1:end , 1 )  )   ), 'VerticalAlignment','bottom','HorizontalAlignment','right' ) 
           xlim([X_min-2 X_max+2]);
           ylim([Y_min-2 Y_max+2]); 
           zlim([Z_min-2 Z_max+2]);
           
 end  
 
end

untitled3.m code (Delete button):

function Obj_Del_Callback(hObject, eventdata, handles)
Var_Del_Ele = get(handles.Obj_Pop_Del,'value');  % Elemento seleccionado en "Obj_Pop_Del"
counter= get (handles.Obj_Add, 'UserData' ) ;
set(handles.Obj_Pop_Del, 'Value', counter - 1);
Ele_pop = str2num (  get(handles.Obj_Pop_Del,'string')  ); 
Ele_pop = Ele_pop'
Ele_pop(Var_Del_Ele) = [];
Ele_pop = [  Ele_pop(1,1:Var_Del_Ele-1)  ,  Ele_pop(1,Var_Del_Ele:end) - 1   ];
set(handles.Obj_Pop_Del,'string',Ele_pop);  %%% Sobre-Escribo sobre Pop up  - (List_Contor)
m = matfile('example2.mat','Writable',true)
data = (m.T_E_MAT2); 
data(Var_Del_Ele, :) = [];
data(:, 1) = [];
data = [ Ele_pop' , data ] 
m.T_E_MAT2 = data; %%% matObj.T_E_MAT2 = data
set(handles.Obj_tabla_Ele,'Data',data); 
Var_Del_point_cont = get(handles.Obj_Add,'UserData');
set(handles.Obj_Add, 'UserData', Var_Del_point_cont - 1);
untitled; %%% Se va al OpeningFcn de "untitled";
%figure(untitled3)  %%% Mantiene .fig "untitled3" por encima de las demas ventanas;

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Jan 2020-12-30

在 MATLAB Online 中打开

I do not get the GUIs to run. I get error messages whenever I press a button:

Error using untitled>untitled_OpeningFcn (line 108)
Cannot access 'T_E_MAT2' because 'D:\MFiles\example2.mat' does not exist.
Error in gui_mainfcn (line 220)
    feval(gui_State.gui_OpeningFcn, gui_hFigure, [], guidata(gui_hFigure), varargin{:});
Error in untitled (line 42)
    gui_mainfcn(gui_State, varargin{:});
Error in untitled2>Add_contorno_Callback (line 117)
  untitled; %%% Se va al OpeningFcn de "untitled"
Error in gui_mainfcn (line 95)
        feval(varargin{:});
Error in untitled2 (line 38)
    gui_mainfcn(gui_State, varargin{:});
Error in
matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)untitled2('Add_contorno_Callback',hObject,eventdata,guidata(hObject)) 
Error while evaluating UIControl Callback.

One or more output arguments not assigned during call to "varargout".
Error in gui_mainfcn (line 262)
        [varargout{1:nargout}] = feval(gui_State.gui_OutputFcn, gui_hFigure, [], gui_Handles);
Error in untitled (line 40)
    [varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});
Error in untitled2>slider1_Callback (line 91)
  untitled_h = untitled();
Error in gui_mainfcn (line 95)
        feval(varargin{:});
Error in untitled2 (line 38)
    gui_mainfcn(gui_State, varargin{:});
Error in
matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)untitled2('slider1_Callback',hObject,eventdata,guidata(hObject)) 
Error while evaluating UIControl Callback.

Therefore I cannot use the debugger to find the line, which produces new figures.

Using the root object to store values is equivalent to global variables. This is a shot in your knee.

Pedro Guevara 2020-12-30

Hi. Thanks for your answer.

Look, I'm speaking out of complete ignorance, but isn't that to do with the directory where the .mat files are located?

Pedro Guevara 2021-1-3

Thank you very much for your help. I managed to solve it using the function "Run" and "Close" to my Guide. It was easier than I thought, but it took me a long time to know what was the necessary function to achieve it. I leave the solution below for whoever wants to see it.

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Answer 1

Aghamarsh Varanasi 2020-12-31

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/703997-how-do-i-prevent-my-figures-from-duplicating#answer_588133

编辑：Aghamarsh Varanasi 2020-12-31

Hi,

The figure 'untitiled.fig' is duplicating as a result of 'untitled' function call from the ‘Obj_Add_Callback’ function in the ‘untitled.m’ file. Whenever 'untitled' is called, a new GUI figure is created for ‘untitled.fig’.

As a work around, you can send the updated data from 'untitled3' to 'untitled' and then update the figure.

For more information on passing information between two apps, refer to this documentation. You can click on 'Try It In MATLAB' to run the example.

Hope this helps

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Pedro Guevara 2021-1-1

Thanks a lot. It seems that this might be the answer I need. I'm reading the documentation but to be honest the subject is very confusing. If I make any progress, I am informing you.

Pedro Guevara 2021-1-3

在 MATLAB Online 中打开

Thank you very much for your help. I managed to solve it using the function "Run" and "Close" to my Guide. It was easier than I thought, but it took me a long time to know what was the necessary function to achieve it. I leave The Codes in case someone is interested.

untitled3:

function varargout = untitled3(varargin)
% UNTITLED3 MATLAB code for untitled3.fig
%      UNTITLED3, by itself, creates a new UNTITLED3 or raises the existing
%      singleton*.
%
%      H = UNTITLED3 returns the handle to a new UNTITLED3 or the handle to
%      the existing singleton*.
%
%      UNTITLED3('CALLBACK',hObject,eventData,handles,...) calls the local
%      function named CALLBACK in UNTITLED3.M with the given input arguments.
%
%      UNTITLED3('Property','Value',...) creates a new UNTITLED3 or raises the
%      existing singleton*.  Starting from the left, property value pairs are
%      applied to the GUI before untitled3_OpeningFcn gets called.  An
%      unrecognized property name or invalid value makes property application
%      stop.  All inputs are passed to untitled3_OpeningFcn via varargin.
%
%      *See GUI Options on GUIDE's Tools menu.  Choose "GUI allows only one
%      instance to run (singleton)".
%
% See also: GUIDE, GUIDATA, GUIHANDLES
% Edit the above text to modify the response to help untitled3
% Last Modified by GUIDE v2.5 27-May-2020 11:51:51
% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name',       mfilename, ...
                   'gui_Singleton',  gui_Singleton, ...
                   'gui_OpeningFcn', @untitled3_OpeningFcn, ...
                   'gui_OutputFcn',  @untitled3_OutputFcn, ...
                   'gui_LayoutFcn',  [] , ...
                   'gui_Callback',   []);
if nargin && ischar(varargin{1})
    gui_State.gui_Callback = str2func(varargin{1});
end
if nargout
    [varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});
else
    gui_mainfcn(gui_State, varargin{:});
end
% --- Executes just before untitled3 is made visible.
function untitled3_OpeningFcn(hObject, eventdata, handles, varargin)
% This function has no output args, see OutputFcn.
% hObject    handle to figure
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
% varargin   command line arguments to untitled3 (see VARARGIN)
% Choose default command line output for untitled3
handles.output = hObject;
% Update handles structure
guidata(hObject, handles);
set (handles.Obj_Add, 'UserData' , 0);
if exist('example.mat') ~= 0       
     matObj = matfile('example.mat','Writable',true )
     A = matObj.T_E_MAT;  %%% Leo excel        
     set(handles.Obj_pop_NI, 'string', A(:,1)  )
     set(handles.Obj_pop_NF, 'string', A(:,1)  )
     if exist('example2.mat') ~= 0    
       matObj = matfile('example2.mat','Writable',true )
       A = matObj.T_E_MAT2;  %%% Leo excel  
       set(handles.Obj_Pop_Del, 'string', A(:,1) )
       set(handles.Obj_tabla_Ele, 'Data', A )
       set (handles.Obj_Add, 'UserData' , length  ( A(:,1) )  ) ;
     end
end
% --- Executes on button press in Obj_Add.
function Obj_Add_Callback(hObject, eventdata, handles)
% hObject    handle to Obj_Add (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
m = matfile('example.mat');
oldData = m.T_E_MAT;  %%% Leo excel
Var_I = get(handles.Obj_pop_NI,'Value')
Var_F = get(handles.Obj_pop_NF,'Value')
Buscar_elemento = [Var_I,Var_F]' 
Buscar_elemento = ismember( oldData (:,1)  , Buscar_elemento  )
Bus_N = find( Buscar_elemento == 1 );          
    if (    (oldData ( Bus_N (1,1) , 2 ) == oldData ( Bus_N (2,1) , 2 ) && oldData ( Bus_N (1,1) , 3 ) == oldData ( Bus_N (2,1) , 3  )) ...                                                 
    || ( oldData (Bus_N (1,1) , 4 ) == oldData ( Bus_N (2,1) , 4 ) )     )
 
              counter = get (hObject, 'UserData' ) + 1;            
              if  counter == 1 
                  d = [counter,Var_I,Var_F]; 
                  set(handles.Obj_tabla_Ele,'Data',d)  
              else
                  d = [counter,Var_I,Var_F]; 
                  m = matfile('example2.mat');
                  oldData = m.T_E_MAT2;  %%% Leo excel
                  dd=[oldData;d];
                  set(handles.Obj_tabla_Ele,'Data',dd)  
              end 
              tabla_excel=get(handles.Obj_tabla_Ele,'data'); 
              set (hObject, 'UserData' , counter); 
              T_E_MAT2 = tabla_excel; save example2.mat T_E_MAT2  -v7.3; clear T_E_MAT2   
              set(handles.Obj_Pop_Del, 'string', tabla_excel(:,1) )  
              untitled; %%% Se va al OpeningFcn de "untitled"
              figure(untitled3) %%% Mantiene .fig "untitled3" por encima de las demas ventanas
    end       
    
    
  % --- Executes on button press in Obj_Del.
function Obj_Del_Callback(hObject, eventdata, handles)
Var_Del_Ele = get(handles.Obj_Pop_Del,'value');  % Elemento seleccionado en "Obj_Pop_Del"
counter= get (handles.Obj_Add, 'UserData' ) ;
set(handles.Obj_Pop_Del, 'Value', counter - 1);
Ele_pop = str2num (  get(handles.Obj_Pop_Del,'string')  ); 
Ele_pop = Ele_pop'
Ele_pop(Var_Del_Ele) = [];
Ele_pop = [  Ele_pop(1,1:Var_Del_Ele-1)  ,  Ele_pop(1,Var_Del_Ele:end) - 1   ];
set(handles.Obj_Pop_Del,'string',Ele_pop);  %%% Sobre-Escribo sobre Pop up  - (List_Contor)
m = matfile('example2.mat','Writable',true)
data = (m.T_E_MAT2); 
data(Var_Del_Ele, :) = [];
data(:, 1) = [];
data = [ Ele_pop' , data ] 
m.T_E_MAT2 = data; %%% matObj.T_E_MAT2 = data
set(handles.Obj_tabla_Ele,'Data',data); 
Var_Del_point_cont = get(handles.Obj_Add,'UserData');
set(handles.Obj_Add, 'UserData', Var_Del_point_cont - 1);
%These are the lines of code that allowed me to solve the problem.
close ('Propiedades'); 
close ('Elementos');
run untitled;
run untitled;
untitled3;

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