how to programmatically make a GUI

hi guys

I really need everyone's help on this. I've been trying to make a gui so that i can take the data from my m file and plot it so that i can grid, pan, zoom, scroll, select different categories to show on the plot and etc . I've tried watching every video and reading up on how to make it. I just am not able to make it correctly. I need to finish this code as soon as possible so i would appreciate if you got back to me with any suggestions that you may have.

Thank you so much

[Kevin Chng]

Read AppDesigner or Guide.

In Your MATLAB Command window, type

>>appdesigner

or

>>guide

[Stephen23]

"how to programmatically make a GUI"

Writing a GUI involves lots of reading documentation:

• want a button: go and read the uicontrol help.
• want to plot data: go and read the plot / surf / ... help.
• etc.

I would recommend avoiding GUIDE, just write it yourself using nested functions.

[ALDO]

Hi Stephen

Thank you for your comment. I tried making it myself but after I make the functions i have trouble reading the variables form the workplace. so i thought I would put everything in one big function and introduce(load) the variables in the beginning but I cant seem to be able to do it correctly!

[Walter Roberson]

None of us has time to write a textbook on all the ways to write a gui. You need to ask specific questions. Post code and show the error message.

[Stephen23]

"so i thought I would put everything in one big function and introduce(load) the variables in the beginning but I cant seem to be able to do it correctly!"

Here is a simple GUI that accepts input arguments, processes them, and then returns (optionally when the GUI is closed, using waitfor):

https://www.mathworks.com/matlabcentral/fileexchange/48930-interactive-regular-expression-tool

[ALDO]

that was really helpful Stephen. I appreciate it!

[ALDO]

Hi Walter thanks for your interest in helping. please find the code bellow. I wand to be able to load all the variables (ex: A, Time_interval, BR10_start,...) from my m file.

 fprintf('\nPlotting Data...\n');
h=figure('units','normalized','outerposition',[0 0 1 1])
Time_interval = (0:(length(A)-1))/B;
plot(Time_interval,A);% plot with initial zoom 
axdrag
ylim([70 105])
hold on;
grid minor
xtick=[0:10:1000000]
toc;

 ButtonH=uicontrol('Parent',h,'Style','pushbutton','String','Limits','Units','normalized','Position',[0 0 0.1 0.1]);
set(ButtonH,'Callback',@hlineCallback);

ButtonA=uicontrol('Parent',h,'Style','pushbutton','String','less than 90','Units','normalized','Position',[0 0.1 0.1 0.1]);
set(ButtonA,'Callback',@BRCallback);

 function hlineCallback(ButtonH,event)
hline(98,'--g')
hline(95,'--g')
hline(90,'--g')
hline(80,'--g')
end

 function BRCallback(ButtonA,~)

 load(my file with all the variables) %but there are too many variables %to load here
% I get this error:"Too many output arguments." 

 X1_start=[BR10_start BR60_start BR120_start BR180_start BR300_start]/B;
X1_End=[BR10_end BR60_end BR120_end BR180_end BR300_end]/B
vline(X1_start, '-.y');
vline(X1_End, '-.y');
% I get this error here: "Undefined function or variable 'BR10_start'."

 end

[Walter Roberson]

Please show the exact load() line that you are using, the one that is giving the error about too many output arguments.

[ALDO]

load(filename,'SO10_start', 'SO60_start', 'SO120_start', 'SO180_start', 'SO300_start', 'SPO2_SF','SO10_end', 'SO60_end', 'SO120_end', 'SO180_end','SO300_end', 'SPO2_SF')

I'm not even sure if I should use load. I would appreciate any other suggestions. Thanks in advance

[Walter Roberson]

That command would not give an error about too many output arguments -- not unless you had a function named filename() that did not have any output arguments.

[ALDO]

this is the message it gives me

Error in Oxygen_interval>ARCallback (line 1017) load(Medi_oxygen_interval_program_updated,'AR10_start', 'AR60_start', 'AR120_start', 'AR180_start', 'AR300_start', 'SPO2_SF','AR10_end', 'AR60_end', 'AR120_end', 'AR180_end','AR300_end', 'SPO2_SF')

Error while evaluating UIControl Callback.

[Walter Roberson]

Please do not close Questions that have an answer.

[Walter Roberson]

What is Medi_oxygen_interval_program_updated ? It does not appear to be a character vector holding a file name.

[ALDO]

sorry I think I did that by accident

that's the name of the file

Error in Medi_oxygen_interval_program_updated>ARCallback (line 1017) load(Medi_oxygen_interval_program_updated,'AR10_start', 'AR60_start', 'AR120_start', 'AR180_start', 'AR300_start', 'SPO2_SF','AR10_end', 'AR60_end', 'AR120_end', 'AR180_end','AR300_end', 'SPO2_SF')

[Walter Roberson]

My guess is

load('Medi_oxygen_interval_program_updated.mat', 'AR10_start', 'AR60_start', 'AR120_start', 'AR180_start', 'AR300_start', 'SPO2_SF', 'AR10_end', 'AR60_end', 'AR120_end', 'AR180_end', 'AR300_end', 'SPO2_SF')

Answer 1

[Jan]

Maybe this helps: https://www.mathworks.com/matlabcentral/fileexchange/24861-41-complete-gui-examples

[ALDO]

this was helpful thanks