Why delete(findobj(gca,'type', 'patch')) is not working for erasing scattered points ?
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Here's a simple snippet that shows that
delete(findobj(gca,'type', 'patch'))
is not working for erasing scattered points:
figure
x = [1,2,3,4]
y = [1,2,3,7]
scatter(x,y,50);
delete(findobj(gca,'type', 'patch')) % not working
%delete(findobj(gca,'SizeData', 50)) % does work
Uncommenting the last line solves the problem, but this is a workaround, or what ?
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"Why delete(findobj(gca,'type', 'patch')) is not working for erasing scattered points ?"
Instead,
delete(findobj(gca,'type', 'scatter'))
Or better yet, use the scatter output which does not require the use of the axis handle and is more responsible since you're deleting a specific object rather than deleting all existing matches to an object type within the current axes.
s = scatter(. . .);
delete(s)
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