App designer remember the last plot

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	Beiträge: 8

	Anmeldedatum: 28.10.21

	Wohnort: ---

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Verfasst am: 03.11.2021, 09:47 Titel: App designer remember the last plot

hello,

but i have the problem that my user interface remembers the last plot. that means when i restart the program it works with the error message. but as soon as i plotted it once and then run it again, it remembers the last plot and even if i don't enter anything and also don't select an excel file, it just plots the one from before. so even if i only leave out one thing it takes over the one from the plot before...

does anyone know how i can prevent this?

merci

Code:

[file, path] = uigetfile('*.xlsx','Select your Excel file','C:\');

if isequal(file,0)
msgbox('Please input an Excel file')

else
[status,sheets]=xlsfinfo([path file]);
selectedsheet=listdlg('ListString',sheets);

msgbox('choose title, x and y axis')

global t
t = xlsread(fullfile(path, file),selectedsheet);
app.UITable.Data = t;

x1 = 0;
x2 = 0;

% Set column names as a pull down menu
%app.xDropDown.Items = t.Properties.VariableNames;
%app.yDropDown.Items = t.Properties.VariableNames;

%plot(app.UIAxes, app.UITable.Data.(app.xDropDown.Value), app.UITable.Data.(app.yDropDown.Value));
end

end

% Callback function
function xDropDownValueChanged(app, event)
value = app.xDropDown.Value;

plot(app.UIAxes, app.UITable.Data.(app.xDropDown.Value), app.UITable.Data.(app.yDropDown.Value));
end

% Callback function
function yDropDownValueChanged(app, event)
value = app.yDropDown.Value;

plot(app.UIAxes, app.UITable.Data.(app.xDropDown.Value), app.UITable.Data.(app.yDropDown.Value));
end

% Button pushed function: PlotButton
function PlotButtonPushed(app, event)
global t b titlename xaxis yaxis x1 x2 n;

if isempty(xaxis)
msgbox('to plot select xaxis');

elseif isempty(yaxis)
msgbox('to plot select yaxis')

elseif isempty(titlename)
msgbox('to plot select titlename')

elseif isequal(b,0)
msgbox('to plot select column')

elseif isequal(x2,0)
msgbox('to plot select ends at')

else

O=t(:,1:b)

sizeO = size(O);
n = sizeO(1,1);

x = linspace(x1, x2, n);

%figH = figure;
%set(figH,'Name',titlename,'NumberTitle','off');

plot(x, O);

title(titlename)
xlabel(xaxis)
ylabel(yaxis)

legend

end

end

% Value changed function: titlenameTextArea
function titlenameTextAreaValueChanged(app, event)
global titlename
titlename = app.titlenameTextArea.Value;

end

% Value changed function: xaxisnameTextArea
function xaxisnameTextAreaValueChanged(app, event)
global xaxis
xaxis = app.xaxisnameTextArea.Value;

end

% Value changed function: yaxisnameTextArea
function yaxisnameTextAreaValueChanged(app, event)
global yaxis
yaxis= app.yaxisnameTextArea.Value;

end

% Cell selection callback: UITable
function UITableCellSelection(app, event)
global indices
indices = event.Indices

end

% Value changed function: columnEditField
function columnEditFieldValueChanged(app, event)
global b
b = app.columnEditField.Value;

t2 = zeros(b,1);
for i = 1:b
t2(i) = "insert text";
end
app.UITable2.Data = t2;

msgbox('select Legend lines in the table')

end

% Value changed function: startsatEditField
function startsatEditFieldValueChanged(app, event)
global x1
x1 = app.startsatEditField.Value;

end

% Value changed function: endsatEditField
function endsatEditFieldValueChanged(app, event)
global x2
x2 = app.endsatEditField.Value;

end

% Callback function
function pointsEditFieldValueChanged(app, event)
global n
n = app.pointsEditField.Value;

end

% Cell edit callback: UITable2
function UITable2CellEdit(app, event)
indices = event.Indices;
newData = event.NewData;

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