How to assign xlabel,ylabel from my selected popup menu list?

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Vignesh Waran
Vignesh Waran 2021-10-2
评论： Kevin Holly 2021-10-2
Hello everyone,
I have created a basic GUI which plots scatter plot in 2D and 3D
Based on 3 popup menus i.e.X,Y,Z graphs gets plotted.
I want to assign xlabel, y label and z label based upon selected variable from popupmenu
x,y,z labels should get automatically updated upon changing variable from popup menu.
I have tried using get,set functions but I could not do it.
Any help on this topic!!!

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回答（1 个）

Kevin Holly
Kevin Holly 2021-10-2
编辑：Kevin Holly 2021-10-2
If App Designer:
value = app.DropDown.Value;
value2 = app.DropDown2.Value;
value2 = app.DropDown2.Value;
if value == 'Option 2' & value2 == 'Option 3' & value3 == 'Option 3'
xlabel(app.UIAxes,'X Label')
ylabel(app.UIAxes,'Y Label')
zlabel(app.UIAxes,'Z Label')
else
xlabel(app.UIAxes,'X Label2')
ylabel(app.UIAxes,'Y Label2')
zlabel(app.UIAxes,'Z Label2')
end
If uicontrol:
c = uicontrol(f,'Style','popupmenu','callback',@DropDownCallback); % dropdown box 1
c2 = uicontrol(f,'Style','popupmenu','callback',@DropDownCallback); % dropdown box 2
c3 = uicontrol(f,'Style','popupmenu','callback',@DropDownCallback); % dropdown box 3
value = c.Value;
value2 = c2.Value;
value2 = c3.Value;
function DropDownCallback(~,~)
if value == 'Option 2' & value2 == 'Option 3' & value3 == 'Option 3'
xlabel('X Label')
ylabel('Y Label')
zlabel('Z Label')
else
xlabel('X Label2')
ylabel('Y Label2')
zlabel('Z Label2')
end
end
  2 个评论
Vignesh Waran
Vignesh Waran 2021-10-2
编辑：Vignesh Waran 2021-10-2
Hi Kevin...I'm not using Appdesigner....Here is my code
X = get(handles.popupmenuX, 'value');
Y = get(handles.popupmenuY, 'value');
Z = get(handles.popupmenuZ, 'value');
filename = handles.filename;
[x,y,z] = readExcelColumns(filename, X, Y, Z)
axes(handles.axes1);
plot_style = get(handles.plotstyle,'value');
set(handles.statustext, 'Visible', 'on'); drawnow;
switch plot_style
case 2
scatter(handles.axes1,x,y,20,z,'filled');
grid on
colormap(jet);
colorbar;
case 3
scatter3(handles.axes1,x,y,z,[],z,'filled');
colormap(jet);
colorbar;
end
Kevin Holly
Kevin Holly 2021-10-2
I'm not sure how you created your popupmenus. I'm going to assume with uicontrol.
handles.popupmenuX = uicontrol(gcf,'Style','popupmenu','Units','normalized','Position',[.5 .5 .2 .2],'String',{'Option 1','Option 2','Option 3'},'Callback',@DropDownCallback);
handles.popupmenuY = uicontrol(gcf,'Style','popupmenu','Units','normalized','Position',[.3 .3 .2 .2],'String',{'Option 1','Option 2','Option 3'},'Callback',@DropDownCallback);
handles.popupmenuZ = uicontrol(gcf,'Style','popupmenu','Units','normalized','Position',[.7 .7 .2 .2],'String',{'Option 1','Option 2','Option 3'},'Callback',@DropDownCallback);
function DropDownCallback(~,~)
X = get(handles.popupmenuX, 'value');
Y = get(handles.popupmenuY, 'value');
Z = get(handles.popupmenuZ, 'value');
plot_style = get(handles.plotstyle,'value');
set(handles.statustext, 'Visible', 'on'); drawnow;
filename = handles.filename;
[x,y,z] = readExcelColumns(filename, X, Y, Z);
if X == 1 && Y == 2 && Z == 3
plot_style = 2;
else
plot_style = 3;
end
switch plot_style
case 2
scatter(handles.axes1,x,y,20,z,'filled');
grid on
colormap(jet);
colorbar;
xlabel('X Label')
ylabel('Y Label')
zlabel('Z Label')
case 3
scatter3(handles.axes1,x,y,z,[],z,'filled');
colormap(jet);
colorbar;
xlabel('X Label2')
ylabel('Y Label2')
zlabel('Z Label2')
end
end

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