Affichage courbe Excel sur un GUI

**gmachi10** · 07/07/2008, 18h29

Bonsoir à vous tous. Je débute sous matlab et surtout sur GUI. J'ai un peu de mal à réaliser quelque chose qui pour vous je pense est relativement simple.

Je vous resitu le contexte. Après traitement d'un phénomène physique, je génère un fichier .xls contenant deux colonnes. Je désire donc réaliser un programme qui sur une interface matlab, me représente sur un graphe ma deuxième colonne (y) en fonction de la première (x). Toutefois je rencontre plusieurs problèmes!! Voici mon code:

- Chargement du fichier:

Code :

Sélectionner tout - Visualiser dans une fenêtre à part

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function fLecture()
 
global G_RepData;
global G_NomData;
global G_Wave;
global G_Int;
G_RepData='P:\';
 
cd('P:\');
[nom,rep] = uigetfile('*.xls*', 'Lecture fichiers de données');
 
if nom == 0
    return;
end
 
G_RepData = rep;
G_NomData = strtok(nom, '.');
 
fid = strcat(G_RepData, G_NomData, '.xls');
M = xlsread('bilan.xls');
G_Wave = M(:,1);  % fréquences = 1ère colonne
G_Int = M(:,2) ;  % coeffs = 2ème colonne
 
fAffichSl();

Jusque là, je ne rencontre aucun problème. Je passe donc à l'affichage:

Code :

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function fAffichSl()
 
global G_Handles;
global G_Wave;
global G_Int;
global G_NomData;
 
axes(G_Handles.Plot);
xlabel('Fréquence  (GHz)');
ylabel('Coefficient d''absorption (cm-1)');
title({strcat(G_NomData, ' : ') ' ' ' '});
plot(G_Wave, G_Int, 'r')

Et là , mon ordi commence à tourner et j'obtiens le message suivant:

??? Error using ==> struct2handle
Error while evaluating uicontrol CreateFcn.

??? Maximum recursion limit of 500 reached. Use set(0,'RecursionLimit',N)
to change the limit. Be aware that exceeding your available stack space can
crash MATLAB and/or your computer.

Error in ==> getappdata at 162

??? Error while evaluating uimenu Callback.

Pour le menu Ouvrir voici la syntaxe:

Code :

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% --------------------------------------------------------------------
function ouvrir_Callback(hObject, eventdata, handles)
% hObject    handle to ouvrir (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
 
fLecture()

Merci pour votre aide.

**Caro-Line** · 07/07/2008, 18h47

Le message d'erreur ne doit pas être complet :
il ne correspond à aucune des lignes du code que tu nous montre

Donc il faudrait qu'on sache à quelle ligne de ton code il plante (là on sait juste qu'il plante à la ligne 162 de la fonction MATLAB GETAPPDATA mais on s'en moque un peu...)

PS : GLOBAL = beurk => plus d'infos ici

**gmachi10** · 08/07/2008, 09h28

Merci pour la réponse. Vous trouverez en pièce jointe un screener de mon code source avec les lignes! je viens de le relancer ce matin et voici le code complet:

??? Maximum recursion limit of 3000 reached. Use set(0,'RecursionLimit',N)
to change the limit. Be aware that exceeding your available stack space can
crash MATLAB and/or your computer.

Error in ==> isfield at 39

??? Error using ==> struct2handle
Error while evaluating uicontrol CreateFcn.

??? Maximum recursion limit of 3000 reached. Use set(0,'RecursionLimit',N)
to change the limit. Be aware that exceeding your available stack space can
crash MATLAB and/or your computer.

Error in ==> isfield at 39

??? Error using ==> struct2handle
Error while evaluating uicontrol CreateFcn.

??? Maximum recursion limit of 3000 reached. Use set(0,'RecursionLimit',N)
to change the limit. Be aware that exceeding your available stack space can
crash MATLAB and/or your computer.

Error in ==> getappdata at 162

??? Error while evaluating uimenu Callback.

**Caro-Line** · 08/07/2008, 10h17

Le code que tu as attaché ne fait que reprendre celui qui est dans ton 1er post.
Je ne vois toujours pas à quelle ligne de ton code correspond le message.
Sais-tu utilisé le debuguer de l'editeur ? Si oui essayes en faisant du pas à pas de trouver sur quelle ligne de ton code il y a plantage.

Apparemment l'erreur survient carrément à la création des objets de ta figure :
- As-tu créé ta figure avec GUIDE ou à la main ?
- Peux-tu montrer le code du fichier .m associé à ton GUI ?

**gmachi10** · 08/07/2008, 10h41

Voici mon code matlab (fichier joint). j'ai essayé de vérifier si au moins, ça ne plantait pas lors du chargement de fichier et à priori non. J'ai réussi à faire afficher l'ensemble des valeurs de mes 2 colonnes. j'ai juste fait un plot par la suite et rien du tout!!

**gmachi10** · 08/07/2008, 10h42

En fait ça prend pas les fichiers.m donc je colle.

Code :

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function varargout = Base2(varargin)
% BASE2 M-file for Base2.fig
%      BASE2, by itself, creates a new BASE2 or raises the existing
%      singleton*.
%
%      H = BASE2 returns the handle to a new BASE2 or the handle to
%      the existing singleton*.
%
%      BASE2('CALLBACK',hObject,eventData,handles,...) calls the local
%      function named CALLBACK in BASE2.M with the given input arguments.
%
%      BASE2('Property','Value',...) creates a new BASE2 or raises the
%      existing singleton*.  Starting from the left, property value pairs are
%      applied to the GUI before Base2_OpeningFunction gets called.  An
%      unrecognized property name or invalid value makes property application
%      stop.  All inputs are passed to Base2_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
 
% Copyright 2002-2003 The MathWorks, Inc.
 
% Edit the above text to modify the response to help Base2
 
% Last Modified by GUIDE v2.5 08-Jul-2008 10:19:25
 
% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name',       mfilename, ...
                   'gui_Singleton',  gui_Singleton, ...
                   'gui_OpeningFcn', @Base2_OpeningFcn, ...
                   'gui_OutputFcn',  @Base2_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 Base2 is made visible.
function Base2_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 Base2 (see VARARGIN)
 
global G_Handles;
global G_RepData;
global G_TypData;
 
global G_NomData;
G_RepData = 'P:\';
G_Handles = handles;
 
% Choose default command line output for Base2
handles.output = hObject;
 
% Update handles structure
guidata(hObject, handles);
 
% UIWAIT makes Base2 wait for user response (see UIRESUME)
% uiwait(handles.figure1);
 
 
 
% --- Outputs from this function are returned to the command line.
function varargout = Base2_OutputFcn(hObject, eventdata, handles) 
% varargout  cell array for returning output args (see VARARGOUT);
% hObject    handle to figure
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
 
% Get default command line output from handles structure
varargout{1} = handles.output;
 
 
% --- Executes on button press in go.
function go_Callback(hObject, eventdata, handles)
% hObject    handle to go (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
 
 
% --- Executes on button press in reset.
function reset_Callback(hObject, eventdata, handles)
% hObject    handle to reset (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
 
 
% --- Executes on button press in save_excel.
function save_excel_Callback(hObject, eventdata, handles)
% hObject    handle to save_excel (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
 
 
 
function finf_Callback(hObject, eventdata, handles)
% hObject    handle to finf (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
 
% Hints: get(hObject,'String') returns contents of finf as text
%        str2double(get(hObject,'String')) returns contents of finf as a double
 
 
% --- Executes during object creation, after setting all properties.
function finf_CreateFcn(hObject, eventdata, handles)
% hObject    handle to finf (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called
 
% Hint: edit controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc
    set(hObject,'BackgroundColor','white');
else
    set(hObject,'BackgroundColor',get(0,'defaultUicontrolBackgroundColor'));
end
 
 
 
function fsup_Callback(hObject, eventdata, handles)
% hObject    handle to fsup (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
 
% Hints: get(hObject,'String') returns contents of fsup as text
%        str2double(get(hObject,'String')) returns contents of fsup as a double
 
 
% --- Executes during object creation, after setting all properties.
function fsup_CreateFcn(hObject, eventdata, handles)
% hObject    handle to fsup (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called
 
% Hint: edit controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc
    set(hObject,'BackgroundColor','white');
else
    set(hObject,'BackgroundColor',get(0,'defaultUicontrolBackgroundColor'));
end
 
 
% --- Executes on selection change in degpoly.
function degpoly_Callback(hObject, eventdata, handles)
% hObject    handle to degpoly (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
 
% Hints: contents = get(hObject,'String') returns degpoly contents as cell array
%        contents{get(hObject,'Value')} returns selected item from degpoly
 
 
% --- Executes during object creation, after setting all properties.
function degpoly_CreateFcn(hObject, eventdata, handles)
% hObject    handle to degpoly (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called
 
% Hint: popupmenu controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc
    set(hObject,'BackgroundColor','white');
else
    set(hObject,'BackgroundColor',get(0,'defaultUicontrolBackgroundColor'));
end
 
 
% --- Executes on selection change in fn_essai.
function fn_essai_Callback(hObject, eventdata, handles)
% hObject    handle to fn_essai (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
 
% Hints: contents = get(hObject,'String') returns fn_essai contents as cell array
%        contents{get(hObject,'Value')} returns selected item from fn_essai
 
 
% --- Executes during object creation, after setting all properties.
function fn_essai_CreateFcn(hObject, eventdata, handles)
% hObject    handle to fn_essai (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called
 
% Hint: popupmenu controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc
    set(hObject,'BackgroundColor','white');
else
    set(hObject,'BackgroundColor',get(0,'defaultUicontrolBackgroundColor'));
end
 
 
% --- Executes on selection change in sym_asym.
function sym_asym_Callback(hObject, eventdata, handles)
% hObject    handle to sym_asym (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
 
% Hints: contents = get(hObject,'String') returns sym_asym contents as cell array
%        contents{get(hObject,'Value')} returns selected item from sym_asym
 
 
% --- Executes during object creation, after setting all properties.
function sym_asym_CreateFcn(hObject, eventdata, handles)
% hObject    handle to sym_asym (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called
 
% Hint: popupmenu controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc
    set(hObject,'BackgroundColor','white');
else
    set(hObject,'BackgroundColor',get(0,'defaultUicontrolBackgroundColor'));
end
 
 
%--------------------------------------------------------------------------
% --------------------------  BOUTONS MENU   ------------------------------
 
% --------------------------------------------------------------------
function ouvrir_Callback(hObject, eventdata, handles)
% hObject    handle to ouvrir (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
 
fLecture()
 
% --------------------------------------------------------------------
function s_spectre_Callback(hObject, eventdata, handles)
% hObject    handle to s_spectre (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
 
 
% --------------------------------------------------------------------
function export_Callback(hObject, eventdata, handles)
% hObject    handle to export (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
 
 
% --------------------------------------------------------------------
function quitter_Callback(hObject, eventdata, handles)
% hObject    handle to quitter (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
 
 
% --------------------------------------------------------------------
function fichier_Callback(hObject, eventdata, handles)
% hObject    handle to fichier (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
 
 
% --------------------------------------------------------------------
function aide_Callback(hObject, eventdata, handles)
% hObject    handle to aide (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
 
%-----------------------------------------------------------------------
% --------------------------------------------------------------------
function outil_Callback(hObject, eventdata, handles)
% hObject    handle to outil (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
 
% --------------------------------------------------------------------
function imprimer_Callback(hObject, eventdata, handles)
% hObject    handle to imprimer (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
 
printdlg(handles.AxesPlot)
%--------------------------------------------------------------------------
%------------------------ Functions----------------------------------------
%--------------------------------------------------------------------------
function fLecture()
 
global G_RepData;
global G_NomData;
global G_Wave;
global G_Int;
G_RepData='P:\';
 
cd('P:\')
[nom,rep] = uigetfile('*.xls*', 'Lecture fichiers de données');
 
if nom == 0
    return;
end
 
G_RepData = rep;
G_NomData = strtok(nom, '.');
 
fid = strcat(G_RepData, G_NomData, '.xls');
M = xlsread(fid);
G_Wave = M(:,1);  % fréquences = 1ère colonne
%wave=M(:,1);
%m1=length(G_Wave)
G_Int = M(:,2) ;  % coeffs = 2ème colonne
i%nt=M(:,2);
%m2=length(G_Int)
%figure(1)
%plot(wave, int)
 
fAffichSl();
%-------------------------------------------------------------------------
function fAffichSl()
 
global G_Handles;
global G_Wave;
global G_Int;
global G_NomData;
axes(G_Handles.AxesPlot);
xlabel('Fréquence  (Hz)');
ylabel('Coefficient d''absorption ');
title({strcat(G_NomData, ' : ') ' ' ' '});
plot(G_Wave, G_Int, 'r')

**Caro-Line** · 08/07/2008, 10h53

Envoyé par gmachi10

J'ai essayé de vérifier si au moins, ça ne plantait pas lors du chargement de fichier et à priori non. J'ai réussi à faire afficher l'ensemble des valeurs de mes 2 colonnes. j'ai juste fait un plot par la suite et rien du tout!!

Hum, attention il ya alors 2 problèmes disctincts.
Le message d'erreur lui semble venir du GUI, il doit y avoir quelque part une incohérence entre le .fig et le .m (je n'ai pas l'habitude d'utiliser GUIDE donc pas évident)

Et là ce que tu dis c'est que si tu essayes (sans le GUI je présume) de charger le fichier xls, puis de tracer, le tracé ne donne rien ?

désolée mais j'ai un peu de mal à suivre...

Affichage courbe Excel sur un GUI

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