Choice between legends and curves

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john
john 2013-4-9
Hi,
I have in one plot more curves.
If I press pushbutton1, then I need to show off legend1 and also curve1. If I press again pushbutton1, then I need to show on legend1 and also curve1.
If I press pushbutton2, then I need to show off legend2 and also curve2.If I press pushbutton2, then I need to show on legend2 and also curve2. . . . Please, can you help me
  2 个评论
john
john 2013-4-11
How can I close axis 1? If I use this code:
for i=1:7
handles.speed(:,i)=(s/t)';
plot(t',handles.speed);
cla(handles.speed(:,1),'reset');
end;
I gor error Bad handle
john
john 2013-4-15
Can anybody help? Please?

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Sean de Wolski
Sean de Wolski 2013-4-15
编辑：Sean de Wolski 2013-4-15
Here is how I would go about this:
function showTwoLines
%two lines and their legend
hFig = figure;
hL(1) = plot(1:10);
hold on
hL(2) = plot(rand(1,10));
legend(hL, 'Line 1','Line 2')
%two pushbuttons. Note the callback passes in the line handles and the line of choice index.
uicontrol('Style','pushbutton',...
'Units','normalized',...
'Position',[0.1 0.05 0.3 0.1],...
'String','One!',...
'Callback',@(~,~)ToggleLines(hL,1));
uicontrol('Style','pushbutton',...
'Units','normalized',...
'Position',[0.4 0.05 0.3 0.1],...
'String','Two!',...
'Callback',@(~,~)ToggleLines(hL,2));
end
function ToggleLines(hL,idx)
set(hL(setdiff(1:numel(hL),idx)),'visible','off'); %turn other lines off
set(hL(idx),'visible','on'); %turn line of choice on
legend(hL(idx),sprintf('Line %i',idx)); %add legend
end
Save the above to showTwoLines.m
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