Text and Line only shown in debug mode
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Hi,
I am making a GUI. Inside it, I have placed an axes. I am writing a text label and a line, creating a text and a line objects. When I set a breakpoint in the text() or line() functions, the objects are correctly drawn in the axes, but not when I run the script. I am using Matlab R2011a.
Thanks, Luis
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답변 (2개)
Grzegorz Knor
2011년 10월 3일
Maybe add drawnow command after you draw the line, or try to use refresh function.
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Luis Andres
2011년 10월 4일
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Jan
2011년 10월 5일
Avoid to use "ylim" as name of a variable, because it is a built-in function. But this is not the cause of the problem.
The low-level function LINE needs the property name for the parent:
line('Parent', handles.myAxes, [a;a],ylim,'linewidth',2,'color',[0,0,0]);
You can obtain the handles of the line or text object and check it in non-debug mode:
H = line(... your calling sequenc...)
disp(get(H, 'Parent') == handles.myAxes)
Then you will find out, that the line is drawn to another AXES object. Therefore the specification of the Parent should solve the error.
Walter Roberson
2011년 10월 5일
You will probably need to put the 'Parent' parameter _after_ the positional parameters, as in
line([a;a],ylim, 'Parent', handles.myAxes, 'linewidth',2, 'color',[0,0,0]);
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