clear single plots intead of the whole plot

2011 6 16
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Hi! I'm doing a plot consisting of a "chart" and some dots coming up on it with 10 sec inteval is it possible to only erase the dots and keep the chart? right now I'm using the clf function but it clears the whole window. Johan

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3 个投票

Yes, it is possible thanks to the handles. For example, try something like this:
x = 1:1 0;
figure();
plotHandles = plot(x, '.');
delete(plotHandles); % Clear the points defined by the handle.
Give it a try!

更多回答（2 个）

Gerd
Gerd 2011-6-16

0 个投票

Hi Johan,
on a simple plot you would write
a=linspace(0,10,1000);
b=sin(a);
c=cos(a);
h1 = plot(a,b);
hold
h2=plot(a,c,'r');
to remove the first plot simply
delete(h1);
So if you keep the handle of your dots you can simply remove them
Gerd

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