UIAxes - Remove Brushed Data through button click Callback.

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Jordan 2023-9-4

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https://ww2.mathworks.cn/matlabcentral/answers/2016526-uiaxes-remove-brushed-data-through-button-click-callback

回答： Mario Malic 2023-9-6

I have an app in app designer that containes a UIAxes in 2023a.

I currently enable the brush data function though a button click to allow user selection. Is it possible to use the "Remove Data" or "Replace with NANs" functionality that is normally accessed via a right click on the selected data, through a button click callback?

I'm unsure how to access the functionality in the code.

Thanks

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Mario Malic 2023-9-6

Or you want to remove the brushed data without using the context menu, but using a button or something else?

Jordan 2023-9-6

Hi Mario, more the latter here. So I want to remove brushed data without using the context menu, but using a button instead. More just to improve user experience than anything.

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采纳的回答

Mario Malic 2023-9-6

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2016526-uiaxes-remove-brushed-data-through-button-click-callback#answer_1303166

在 MATLAB Online 中打开

Here is an example of setting brushed data to NaNs, now you have to incorporate this in the callback.

fig = uifigure();
ax = uiaxes(fig);
t = 0:0.1:1;
y = sin(2*pi*t);
h = plot(ax, t, y, '-r');
hold (ax, "on");
h2 = plot(ax, t, 2*y, '-g');
% Uncomment after brushing data
% idx = logical(h.BrushData)
% h.YData(idx) = nan;
% h2.YData(idx) = nan;