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Problem with GUI plotting

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Dimitris Arapidis
Dimitris Arapidis 2013-9-22
I run a GUI where i enter values through edit boxes in order to take a plot, for example a simple line between A and B (i enter their coordinates through the boxes)
The function that plot the line is called from a push button.
I enter the A,B coordinates, press the button and get the plot with the line.
If, while still running the GUI, i enter a different value for A or B and press the button i get two lines in the plot.
What can i do so that when i press the button for a second time the first plot gets erased and the second plot is displayed alone?

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采纳的回答

Azzi Abdelmalek
Azzi Abdelmalek 2013-9-22
add
hold(handles.axes1, 'on')
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Azzi Abdelmalek
Azzi Abdelmalek 2013-9-22
I misunderstood your question
cla(handles.axes1)
plot....

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更多回答（1 个）

Image Analyst
Image Analyst 2013-9-22
Put
cla reset
before you plot the new line. Or else
hold off
would probably work too.

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