How to plot a graph in GUI by passing function
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Bharath
il 18 Dic 2015
Commentato: Walter Roberson
il 21 Dic 2015
Hi all,
I've created a GUI where it takes user input and calualtes and plots the results. All the calculation happens in a function called picrotor. This function takes input model and generates a plot.
I've created a push button which has a call back function defined as follows.
function [] = tb1_Callback(varargin)
axes(handles.haxes)
picrotor(model);
end
Now I want this graph to be plotted in the GUI where I defined it by its handle.
handles.haxes = axes('Units','Normalized','Position',[.05,.1,0.90,0.38],...
'Parent',handles.f,'HandleVisibility','callback');
When I try to excecute the above GUI I get an error.
Reference to non-existent field 'haxes'.
Error in sample_gui/tb1_Callback (line 396)
axes(handles.haxes)
Error while evaluating UIControl Callback
Can someone help to fix this error. thanks in adance for your hints and suggestions. I just wanted to put the call the function and display the graph in GUI
My complete Code is as follows.
handles.f = figure('visible','off',...
'Units','Normalized','Position',[25 25 1300 725],...
'numbertitle','off','Name','Simple GUI);
handles.m = uimenu(handles.f,'Label','File');
aboutm = uimenu(handles.m,'Label','About','callback',@about);
docm = uimenu(handles.m,'Label','Documentation','callback',@documentation);
% loadm = uimenu(m,'Label','Load Data','callback','load');
exitm = uimenu(handles.m,'Label','Exit','callback',@exit);
handles.tb1 = uicontrol(handles.f,'Style','pushbutton',...
'String','Prepare_geom',...
'Value',0,'Units','Normalized','Position',[0.45 .90 0.07,0.04],...
'Callback',{@tb1_Callback,handles});
handles.haxes = axes('Units','Normalized','Position',[.05,.1,0.90,0.38],...
'Parent',handles.f,'HandleVisibility','callback');
% Move the GUI to the center of the screen.
movegui(handles.f,'center')
% Make the GUI visible.
handles.f.Visible = 'on';
%%call back function for Push button Prepar_Geom
function [] = tb1_Callback(varargin)
axes(handles.haxes)
picrotor(model)
end
2 Commenti
Geoff Hayes
il 18 Dic 2015
Bharath - can you post more of your code so that we can get a better idea of how your code has been structured? I'm assuming that you are using the programmatic approach to create your GUI rather than using GUIDE. It's strange that the error message seems to have a problem with
picrotor(model,handles.haxes);
but not the line that precedes it (which references handles.haxes as well).
Risposta accettata
Walter Roberson
il 21 Dic 2015
You need to do the assignment to handles.haxes before the assignment to handles.tb1 . See the explanation in http://uk.mathworks.com/matlabcentral/answers/261050-reference-to-non-existent-field#answer_203806
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