How to retrieve data from the textboxes of a GUI created with GUIDE.
I am having trouble understanding the process of taking entered values from textboxes so that the values may be used in a process, e.g. plotting.
I have created a simple GUI with three textboxes (Tags: edit1, edit2 and edit3)
I want to retrieve the values entered and plot a simple graph. I have read through the Matlab notes and help guides and think that I need to use guidata, handles and set, but I can’t seem to get my head around how these commands interact.
The code below is obviously repeated for each textbox:
function edit1_Callback(hObject, eventdata, handles)
number1 = str2double(get(hObject,'string'));
if isnan(number1) || ~isreal(number1)
errordlg('Try Again','Try again','modal')
return
end
function edit1_CreateFcn(hObject, eventdata, handles)
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
set(hObject,'BackgroundColor','white');
end
I ultimately want to plot a simple graph using something like:
x = [0 1 2]
y = [number1 number2 number3]
plot(x,y)
I obviously have a fundamental lack of knowledge on this subject so I would be very grateful if someone could take the time to give me a layman’s explanation of how this works or maybe point me in the right direction for some reading material.
Cheers
Steve
