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Want to draw two axes using a single popupmenu

2 次查看（过去 30 天）
ahasan ratul
ahasan ratul 2018-4-7
回答： Munish Verma 2021-12-12
I haven't used matlab gui before. I want to draw two plots using a popup menu. Suppose, I want to plot cm and mm values in two axes Using a popup menu which has multiple object names. So each time I select one option from popup menu it shows both cm and mm values in two different axes. Any help with an example is highly appreciated.

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采纳的回答

Walter Roberson
Walter Roberson 2018-4-7
function popup1_Callback(hObject, event, handles)
all_strings = get(hObject, 'String');
if ischar(all_strings); all_strings = cellstr(all_strings); end
which_chosen = get(hObject, 'value');
chosen_string = all_strings{which_chosen};
ax1 = handles.axes1;
ax2 = handles.axes2;
switch chosen_string
case 'lollipop':
plot(ax1, 1:20, rand(1,20));
plot(ax2, 1:20, rand(1,20)*10);
case 'ping-pong':
plot(ax1, 1:20, randn(1:20));
plot(ax2, 1:2), randn(1:20)*10);
end
  2 个评论
ahasan ratul
ahasan ratul 2018-4-7
编辑：Walter Roberson 2018-4-7
I have tried your code but it shows plots for only 1st popup menu. when i select 2nd one, It shows an error and the previous two graphs are not updated to new graphs.
Error in
matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)untitled('popupmenu1_Callback',hObject,eventdata,guidata(hObject))
Error while evaluating UIControl Callback
and
following is the code that i used:
function popupmenu1_Callback(hObject, eventdata, handles)
% hObject handle to popupmenu1 (see GCBO)
all_strings = get(hObject, 'String');
if ischar(all_strings); all_strings = cellstr(all_strings); end
which_chosen = get(hObject, 'value');
chosen_string = all_strings{which_chosen};
ax1 = handles.axes1;
ax2 = handles.axes2;
switch chosen_string
case 'head'
plot(ax1, 1:20, rand(1,20));
plot(ax2, 1:20, rand(1,20)*10);
case 'head_end'
plot(ax1, 1:50, randn(1:50));
plot(ax2, 1:50, randn(1:50)*10);
end
Walter Roberson
Walter Roberson 2018-4-7
plot(ax1, 1:50, randn(1:50));
plot(ax2, 1:50, randn(1:50)*10);
should be
plot(ax1, 1:50, randn(1,50));
plot(ax2, 1:50, randn(1,50)*10);

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更多回答（1 个）

Munish Verma
Munish Verma 2021-12-12
plot(ax1, 1:50, randn(1,50));
plot(ax2, 1:50, randn(1,50)*10);

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